Levent YOBAS

PhD in Biomedical Engineering
Case Western Reserve University, 2001

Associate Professor
Department of Electronic and Computer Engineering
Department of Chemical and Biological Engineering

PG Programs Coordinator (Bioengineering Graduate Program)

Associate Director of Computer Engineering Program



(852) 2358 7068
eelyobas@ust.hk
Room CYT3012
Personal Web

---

Google Scholar
vbavecAAAAAJ

ORCID
0000-0003-3151-5616

ResearcherID
J-4338-2013

Scopus ID
13805181600




Research Interest Publications Projects Teaching Assignment RPG Supervision Space used




Research Interest

---

Bio-Micro (nano) fluidics
Biosensors
Bioelectronics
Biomedical microelectromechanical systems (BioMEMS)
Biomedical engineering (BME)



Publications

---

All Years 171 2022 0 2021 7 2020 11 2019 5 2018 8 2017 9 2016 131

---

Expand All Collapse All


2021 7

A Sub-nL Chip Calorimeter and Its Application to the Measurement of the Photothermal Transduction Efficiency of Plasmonic Nanoparticles
Journal of Microelectromechanical Systems, v. 30, (5), October 2021, p. 759-769
Ni, Sheng; Bu, Yang; Zhu, Hangliang; Neuzil, Pavel; Yobas, Levent Article
Analyzing Protein-protein Interactions In Rare Cells Using Microbead-based Single-molecule Pulldown Assay
Lab on a Chip, v. 21, (16), 15 June 2021, p. 3137-3149
Zhao, Qirui; Shen, Yusheng; Li, Xiaofen; Tian, Fang; Yu, Xiaojie; Yobas, Levent; Park, Hyo Keun; Duan, Yuanyuan; Huang, Pingbo Article
Electrokinetic oscillation, railing, and enrichment of submicron particles along 3D microelectrode tracks
Microfluidics and Nanofluidics, v. 25, (4), April 2021, article number 37
Kushigbor, Stanley Dickson Elinam; Tang, Zili; Bu, Yang; Yobas, Levent Article
Ordered surface crack patterns in situ formed under confinement on fluidic microchannel boundaries in polydimethylsiloxane
Lab on a Chip, v. 21, (4), February 2021, p. 668-673
Bu, Yang; Ni, Sheng; Yobas, Levent Article
Continuous-Flow Electrokinetic Enrichment/Separation of Nanoparticles Using 3d Microelectrode Tracks
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v. 2021-January, January 2021, article number 9375161, p. 115-118
Tang, Zili; Kushigbor, Stanley D.; Yobas, Levent Conference paper
Enrichment of Nanoparticles on Microtracks by Dielectrophoresis and AC Electroosmosis
2020 Biomedical Engineering Society (BMES) Virtual Meeting, Virtual, 14 - 17 October 2020
Tang, Zili; Kushigbor, Stanley Dickson Elinam; Yobas, Levent Conference paper
Multifunctional 3D Viaduct Microelectrodes for Continuous-Flow Dielectrophoretic Railing and Electroporation of Cells Under Modulated Activation
21st International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2021, June 2021, p. 695-698
Tang, Zili; Kushigbor, Stanley; Bai, Junwu; Bu, Yang; Ni, Sheng; Yobas, Levent Conference paper

2020 11

A SiN Microcalorimeter and a Non-Contact Precision Method of Temperature Calibration
Journal of Microelectromechanical Systems, v. 29, (5), October 2020, article number 9146342, p. 1103-1105
Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent Article
Conductance Interplay in Ion Concentration Polarization across 1D Nanochannels: Microchannel Surface Shunt and Nanochannel Conductance
Analytical Chemistry, v. 92, (1), January 2020, p. 1252-1259
Ahmed, Zisun; Bu, Yang; Yobas, Levent Article
Heat Transfer Time Determination Based on DNA Melting Curve Analysis
Microfluidics and Nanofluidics, v. 24, (1), January 2020, article number 7
Zhu, Hanliang; Li, Huanan; Zhang, Haoqing; Fohlerova, Zdenka; Ni, Sheng; Klempa, Jaroslav; Gablech, Imrich; Hubalek, Jaromir; Chang, Honglong; Yobas, Levent; Neuzil, Pavel Article
Nanolithography toolbox - Simplifying the design complexity of microfluidic chips
Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics, v. 38, (6), 10 November 2020, article number 063002
Zhang, Haoqing; Pekárek, Jan; Feng, Jianguo; Liu, Xiaocheng; Li, Huanan; Zhu, Hanliang; Svato?, Vojtech; Gablech, Imrich; Pode?va, Pavel; Ni, Sheng; Yobas, Levent; Neu?il, Pavel Article
Rapid Characterization of Biomolecules’ Thermal Stability in a Segmented Flow-Through Optofluidic Microsystem
Scientific Reports, v. 10, (1), April 2020, article number 6925
Fohlerova, Zdenka; Zhu, Hanliang; Hubalek, Jaromir; Ni, Sheng; Yobas, Levent; Podesva, Pavel; Otahal, Alexandr; Neuzil, Pavel Article
The vision of point-of-care PCR tests for the COVID-19 pandemic and beyond
TrAC - Trends in Analytical Chemistry, v. 130, September 2020, article number 115984
Zhu, Hanliang; Zhang, Haoqing; Ni, Sheng; Korabe?ná, Marie; Yobas, Levent; Neuzil, Pavel Article
Microfluidics and bioMEMS in silicon
Handbook of Silicon Based MEMS Materials and Technologies: Micro and Nano Technologies / Edited by Markku Tilli, Mervi Paulasto-Krockel, Matthias Petzold, Horst Theuss, Teruaki Motooka, Veikko Lindroos. Amsterdam, Netherlands : Elsevier, 2020, p. 547-563, Ch. 22
Franssila, Sami; Davis, Cristina E.; Levasseur, Michael K.; Cao, Zhen; Yobas, Levent Book chapter
A Compact MEMS Chip for a Rapid and Highly Accurate Picoliter Calorimetry
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v. 2020-January, January 2020, article number 9056359, p. 1006-1009
Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent Conference paper
A compact microcalorimeter for the rapid characterization of liquid thermal properties
MicroTAS 2020 The 24th International Conference on Miniaturized Systems for Chemistry and Life Sciences, Online, 4-9 October 2020
Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent Conference paper
A novel nanobead-based single-molecule pull-down for cell populations single cells
64th Annual Meeting of the Biophysical Society (bps 2020), San Diego, USA, 15-19 February 2020
Zhao, Qirui; Shen, Yusheng; Tian, Fang; Yobas, Levent; Park, Hyo Keun; Huang, Pingbo Conference paper
Railing Nanoparticles Along Activated Tracks Towards Continuous-Flow Electrokinetic Enrichment from Blood Plasma
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, v. 2020-July, July 2020, article number 9176283, p. 2249-2252
Kushigbor, Stanley Dickson Elinam; Tang, Zili; Yobas, Levent Conference paper

2019 5

A nanofluidic memristor based on ion concentration polarization
Analyst, v. 144, (24), December 2019, p. 7168-7172
Bu, Yang; Ahmed, Zisun; Yobas, Levent Article
Single-cell Point Constrictions for Reagent-free High-throughput Mechanical Lysis and Intact Nuclei Isolation
Micromachines, v.10, (7), July 2019, article number 488
Huang, Xiaomin; Xing, Xiaoxing; Ng, Chun Ning; Yobas, Levent Article
A nanofluidic memristor based on ion concentration polarization
23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, (μTAS 2019), Basel, Switzerland, 27- 31 October 2019
Bu, Yang; Ahmed, Zisun; Yobas, Levent Conference paper
Coupling electrothermal rolls and dielectropheresis for continuous-flow separation of nanoparticles
23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, (μTAS 2019), Basel, Switzerland, 27- 31 October 2019
Kushigbor, Stanley; Yobas, Levent Conference paper
Three-dimensional laminar-flow micromixer for kinetic studies of increased accuracy through a prefocused stream injection
23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, (μTAS 2019), Basel, Switzerland, 27- 31 October 2019
Ni, Sheng; Yobas, Levent Conference paper

2018 8

A Low-Backpressure Single-Cell Point Constriction for Cytosolic Delivery Based on Rapid Membrane Deformations
Analytical Chemistry, v. 90, (3), February 2018, p. 1836-1844
Xing, Xiaoxing; Pan, Yueyue; Yobas, Levent Article
Label-Free Multiplexed Electrical Detection of Cancer Markers on a Microchip Featuring an Integrated Fluidic Diode Nanopore Array
ACS Nano, v. 12, (8), August 2018, p. 7892-7900
Duan, Lian; Yobas, Levent Article
Railing cells along 3D microelectrode tracks for continuous-flow dielectrophoretic sorting
Lab on a Chip, v. 18, (24), December 2018, p. 3760-3769
Xing, Xiaoxing; Ng, Chun Ning; Chau, Ming Lok; Yobas, Levent Article
3D nanostructures fabricated via low-resolution optical lithography for biomolecular separation and detection
The 8th International Multidisciplinary Conference on Optofluidics (IMCO 2018), Shanghai, China, 5-8 August 2018
Duan, Lian; Yobas, Levent Conference paper
Direct Observation of Electrospraying Droplets From Self-Enclosed Glass Nanonozzle Emitters Integrated on Silicon
22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, v. 1, 2018, p. 458-461
Duan, Lian; Huang, Xiaomin; Djuemo, Irving; Abelmann, Leon; Manz, Andreas; Yobas, Levent Conference paper
Ion Concentration Polarization Characteristics of a Single Glass Nanopore in an Array Integrated on Silicon Through Low-Resolution Photolithography
22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, v. 1, 2018, p. 362-365
Duan, Lian; Ahmed, Zisun; Yobas, Levent Conference paper
Robust Biochips for Dielectrophoretic Sorting and Mechanical Poration of Cells
12th IEEE international Conference on Nano/Molecular Medicine and Engineering (IEEE-NANOMED 2018), Sheraton Waikiki, Hawaii, USA, 2-5 December 2018
Yobas, Levent Conference paper
Two Dimensional Confinement in Nanocapillaries and Consequent Suppression of Overlimiting Current
22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, v. 1, 201, p. 443-446
Ahmed, Zisun; Duan, Lian; Yobas, Levent Conference paper

2017 9

Continuous-Flow Electrophoresis of DNA and Proteins in a Two-Dimensional Capillary-Well Sieve
Analytical Chemistry, v. 89, (18), September 2017, p. 10022-10028
Duan, Lian; Cao, Zhen; Yobas, Levent Article
Mechanical Characterization of Microengineered Epithelial Cysts by Using Atomic Force Microscopy
Biophysical Journal, v. 112, (2), January 2017, p. 398-409
Shen, Yusheng; Guan, Dongshi; Serien, Daniela; Takeuchi, Shoji; Tong, Penger; Yobas, Levent; Huang, Pingbo Article
On-chip hydrodynamic chromatography of DNA through centimeters-long glass nanocapillaries
Analyst, v. 142, (12), May 2017, p. 2191-2198
Duan, Lian; Yobas, Levent Article
Continuous-Flow Electrophoretic Separation of Biomolecules in a Two-Dimensional Capillary-Well Motif
2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS 2017), March 2017, p. 137-140
Duan, Lian; Xing, Xiaoxing; Yobas, Levent Conference paper
Dielectrophoretic Cell Sorting via Sliding Cells on 3D Silicon Microelectrodes
2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS), February 2017, article number 7863362, p. 147-150
Xing, Xiaoxing; Chau, Ming Lok; Roshan, Kamyar A.; Yobas, Levent Conference paper
Nanofluidic Diode Biosensor Featuring a Single Nanoslit for Label-free Detection of Cardiac Troponin Biomarker
TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems, July 2017, article number 7994183, p. 854-857
Yeasmin, Sanjida; Xing, Xiaoxing; Duan, Lian; Yobas, Levent Conference paper
Numerical simulation for cell railing on 3D silicon microelectrodes featuring sidewall undercuts
Proceedings of the 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), February 2020, p. 822-823
Chau, Ming Lok; Xing, Xiaoxing; Yobas, Levent Conference paper
Pressure-driven Separation of DNA by Using Self-enclosed Integrated Glass Nanocapllary
TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems, July 2017, article number 7994406, p. 1750-1753
Duan, Lian; Yobas, Levent Conference paper
Reagent-free-high-throughput extraction of nuclear acids and proteins via rapid mechanical cell lysis using silicon point-constructions
Proceedings of the 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), February 2020, p. 1481-1482
Huang, Xiaomin; Pan, Yueyue; Xing, Xiaoxing; Yobas, Levent Conference paper

2016 9

Continuous-Flow Electrokinetic-Assisted Plasmapheresis by Using Three-Dimensional Microelectrodes Featuring Sidewall Undercuts
Analytical Chemistry, v. 88, (10), May 2016, p. 5197-5204
Xing, Xiaoxing; He, Minghao; Qiu, Huihe; Yobas, Levent Article
Pressure-Driven Chromatographic Separation Modes in Self Enclosed Integrated Nanocapillaries
Analytical Chemistry, v. 88, (23), December 2016, p. 11601-11608
Duan, Lian; Cao, Zhen; Yobas, Levent Article
Slowing DNA Translocation in a Nanofluidic Field-Effect Transistor
ACS Nano, v. 10, (4), April 2016, p. 3985-3994
Liu, Yifan; Yobas, Levent Article
Two-dimensional Hydrodynamic Flow Focusing in a Microfluidic Platform Featuring a Monolithic Integrated Glass Micronozzle
Applied Physics Letters, v. 109, (14), October 2016, article number 144101
Liu, Yifan; Shen, Yusheng; Duan, Lian; Yobas, Levent Article
A Single-Cell Impedance Flow Cytometry Microsystem Based On 3D Silicon Microelectrodes
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), 2016, article number 7421737, p. 749-752
Xing, Xiaoxing; Yobas, Levent Conference paper
Continuous-Flow Biomolecule Separation Through a 2D Periodic Array Based on a Glass Capillary-Well Motif
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 1459-1460
Duan, Lian; Yobas, Levent Conference paper
Pressure Driven Liquid Chromatography in Self-Enclosed Glass Microcapillaries Integrated on Silicon
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v. 2016-February, February 2016, article number 7421745, p. 780-783
Duan, Lian; Cao, Zhen; Yobas, Levent Conference paper
Protein Purification and Separation Using Integrated Glass Nanocapillaries Under Pressure-Driven Conditions
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 1428-1429
Duan, Lian; Yobas, Levent Conference paper
Scrape-Loading Assisted Intracellular Delivery via Microconstriction Featuring A Sharp Edge
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 325-326
Pan, Yueyue; Xing, Xiaoxing; Duan, Lian; Yobas, Levent Conference paper

2015 10

Dielectrophoretic isolation of cells using 3D microelectrodes featuring castellated blocks
Analyst, v. 140, (10), May 2015, p. 3397-3405
Xing, Xiaoxing; Yobas, Levent Article
Gel-Free Electrophoresis of DNA and Proteins on Chips Featuring a 70 nm Capillary-Well Motif
ACS Nano, v. 9, (1), January 2015, p. 427-435
Cao, Zhen; Yobas, Levent Article
In vitro epithelial organoid generation induced by substrate nanotopography
Scientific Reports, v.5, March 2015, article number 9293
Shen, Yusheng; Hou, Youmin; Yao, Shuhuai; Huang, Pingbo; Yobas, Levent Article
Microfluidic emulsification through a monolithic integrated glass micronozzle suspended inside a flow-focusing geometry
Applied Physics Letters, v. 106, (17), April 2015, article number 174101
Liu, Yifan; Yobas, Levent Article
Microfluidics and bioMEMS in silicon
Handbook of Silicon Based MEMS Materials and Technologies: Micro and Nano Technologies / Edited by Markku Tilli, Teruaki Motooka, Veli-Matti Airaksinen, Sami Franssila, Mervi Paulasto-Kr?ckel, Veikko Lindroos. Netherlands : Elsevie, 2015, p. 565-581, Ch. 27
Franssila, Sami; Davis, Christina; Levasseur, Michael; Cao, Zhen; Yobas, Levent Book chapter
3D Silicon Electrodes with Built-in Glass Capillaries for Dielectrophoretic Single-Cell Positioning and Analysis
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, Institute of Electrical and Electronics Engineers ( IEEE ), 2015, p. 540-543
Luo, Y.; Yobas, Levent Conference paper
Continuous-flow dielectrophoretic sorting of particles via 3D silicon electrodes featuring castellated sidewalls
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), January 2015, article number 7051003, p. 508-511
Xing, Xiaoxing; Yoba?, Levent Conference paper
High Performance Sieving of Biomolecules in a Capillary-Well Motif
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 452-455
Cao, Zhen; Yobas, Levent Conference paper
Mechanical Characterization of Microengineered Epithelial Cysts Using Atomic Force Microscopy
MicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences, 2015, p. 173-175
Shen, Yusheng; Guan, Dongshi; Serien, Daniela; Takeuchi, Shoji; Tong, Penger; Huang, Pingbo; Yobas, Levent Conference paper
Monolithic Integrated Glass Micronozzle Emitters on Silicon for Nano-electrospray Ionization Mass Spectrometry
MicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2015, Chemical and Biological Microsystems Society, 2015, p. 1749-1751
Duan, Lian; Liu, Yifan; Yobas, Levent Conference paper

2014 16

Fast DNA Sieving through Submicrometer Cylindrical Glass Capillary Matrix
Analytical Chemistry, v. 86, (1), January 2014, p. 737-743
Cao, Zhen; Yobas, Levent Article
Flow-through electroporation of mammalian cells in decoupled flow streams using microcapillaries
Biomicrofluidics, v. 8, (5), 2014, article number 052101
Luo, Yuan; Yobas, Levent Article
Forces acting on a particle in a concentration gradient under an externally applied oscillating electric field
Applied Physics Letters, v. 105, (9), September 2014, article number 094105
Luo, Yuan; Yobas, Levent Article
Induced hydraulic pumping via integrated submicrometer cylindrical glass capillaries
Electrophoresis, v. 35, (16), 2014, p. 2353-2360
Cao, Zhen; Yobas, Levent Article
Label-free enumeration of colorectal cancer cells from lymphocytes performed at a high cell-loading density by using interdigitated ring-array microelectrodes
Biosensors and Bioelectronics, v. 61, November 2014, p. 434-442
Xing, Xiaoxing; Poon, Randy Yat Choi; Wong, Cesar; Yobas, Levent Article
Label-Free Specific Detection of Femtomolar Cardiac Troponin Using an Integrated Nanoslit Array Fluidic Diode
Nano Letters, v. 14, (12), December 2014, p. 6983-6990
Liu, Yifan; Yobas, Levent Article
Microfluidic-based Metal Enhanced Fluorescence for Capillary Electrophoresis by Ag Nanorod Arrays
Nanotechnology, v. 25, (22), June 2014, article number 225502
Xiao, Chenyu; Cao, Zhen; Deng, Junhong; Huang, Zhifeng; Xu, Zheng; Fu, Junxue; Yobas, Levent Article
3D dielectrophoresis for effective cell manipulation through constrictions on a transparent substrate
The 6th International Symposium on Microchemistry and Microsystems (ISMM 2014), Singapore, 30 July - 1 August 2014
Xing, Xiaoxing; Yobas, Levent Conference paper
A Novel Nanofluidic Diode Based on an Asymmetric Nanoslit Array for Label-Free Protein Detection
18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014. , 2014, p. 1978-1980
Liu, Yifan; Yobas, Levent Conference paper
Cell and Molecule Separation in 3D Microdevices
The 6th International Symposium on Microchemistry and Microsystems (ISMM 2014), Singapore, 30 July - 1 August 2014
Yobas, Levent Conference paper
Dielectrophoretic (DEP) Separation of Live/dead Cells on a Glass Slide Functionalized With Interdigitated 3D Silicon Ring Microelectrodes
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), 2014, article number 6765800, p. 951-954
Xing, Xiaoxing; Yobas, Levent Conference paper
In vitro epithelial organoid generation induced by substrate nanotopography
International Symposium on Mechanobiology (ISMB 2014), Okayama University, Japan, 20-23 May 2014
Shen, Yusheng; Huang, Pingbo; Yobas, Levent Conference paper
Induced Hydraulic Pumping on Microchips through Monolithic Integration of Self-enclosed Cylindrical Submicron Capillaries
6th International Symposium on Microchemistry and Microsystems, Singapore, 30 July - 1 August 2014
Cao, Zhen; Yobas, Levent Conference paper
Microcapillary-coupled Flow-through AC Electroporation Microdevice
The 5th international conference on Advances in Microfluidics & Nanofluidics, Taipei, Taiwan, 2014
Luo, Yuan; Yobas, Levent Conference paper
On-chip generation of monodispersed emulsions independent of surface wettability through a suspended glass micronozzle
The 2014 International Conference on Advances in Microfluidics and Nanofluidics, Academia Sinica, Taiwan, 21-23 May 2014
Liu, Yifan; Yobas, Levent Conference paper
Silicon-based microsystems: from cells to molecules
The 25th Micromechanics and Microsystems Europe Workshop (MME 2014), Istanbul, Turkey, 31 August - 3 September 2014
Yobas, Levent Conference paper

2013 8

Interdigitated 3-D Silicon Ring Microelectrodes for DEP-Based Particle Manipulation
Journal of Microelectromechanical Systems, v. 22, (2), April 2013, article number 6341027, p. 363-371
Xing, Xiaoxing; Zhang, Mengying; Yobas, Levent Article
Label-free electrical quantification of amplified nucleic acids through nanofluidic diodes
Biosensors and Bioelectronics, v. 50, December 2013, p. 78-83
Liu, Yifan; Yobas, Levent Article
Microchannel plate (MCP) functionalized with Ag nanorods as a high-porosity stable SERS-active membrane
Sensors and Actuators, B: Chemical, v. 184, 2013, p. 235-242
Zhang, Mengying; Cao, Zhen; Yobas, Levent Article
Microchannel plate as a novel bipolar electrode for high-performance enrichment of anions
Electrophoresis, v. 34, (14), July 2013, p. 1991-1997
Cao, Zhen; Yobas, Levent Article
Microsystems for cell-based electrophysiology
Journal of Micromechanics and Microengineering, v. 23, (8), August 2013, article number 083002
Yobas, Levent Article
Self-formed cylindrical microcapillaries through surface migration of silicon and their application to single-cell analysis
Journal of Micromechanics and Microengineering, v. 23, (5), May 2013, article number 055001
Zeng, Fan; Luo, Yuan; Yobas, Levent; Wong, Man Article
Fast DNA Sieving through Self-enclosed Submicron Glass Capillary Segments
17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013, v. 1, 2013, p. 557-559
Cao, Zhen; Yobas, Levent Conference paper
Microfluidic Integration of Plasmonic Applications for Highly Sensitive Bioanalysis
17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013, v. 3, 2013, p. 1511-1513
Xiao, Chen Yu; Cao, Zhen; Huang, Zhi Feng; Xu, Zheng; Fu, Junxue; Yobas, Levent Conference paper

2012 15

Cylindrical glass nanocapillaries patterned via coarse lithography (>1 μm) for biomicrofluidic applications
Biomicrofluidics, v.6, (4), 2012, Dec, article number 046502
Liu, Yifan; Yobas, Levent Article
Microcapillary-assisted dielectrophoresis for single-particle positioning
Lab on a chip, v. 12, (20), 2012, p. 4085-4092
Luo, Yuan; Cao, Xu; Huang, Pingbo; Yobas, Levent Article
Microchannel plate electro-osmotic pump
Microfluidics and nanofluidics, v.13, (2), 2012, Dec, p. 279-288
Cao, Zhen; Luo, Yuan; Liu, Yifan; Yao, Shuhuai; Yobas, Levent Article
Monolithic integration of fine cylindrical glass microcapillaries on silicon for electrophoretic separation of biomolecules
Biomicrofluidics, v. 6, (3), September 2012, article number 036501
Cao, Zhen; Ren, Kangning; Wu, Hongkai; Yobas, Levent Article
UV-illuminated dielectrophoresis by two-dimensional electron gas (2DEG) in AlGaN/GaN heterojunction
Physica status solidi. A, Applications and materials science, v. 209, (11), November 2012, p. 2223-2228
Fu, Junxue; Luo, Yuan; Yobas, Levent; Chen, Kevin J. Article
A novel fabrication method of microcapillaries via silicon surface migration and their application to single cell analysis
2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, Barcelona, Spain, 16-20 June 2013, p. 2377-2380
Luo, Yuan; Zeng, Fan; Yobas, Levent; Wong, Man Conference paper
A novel fabrication method of microcapillaries via silicon surface migration and their application to single-cell impedance spectroscopy
The 5th International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China, 16-19 May 2013
Luo, Yuan; Zeng, Fan; Yobas, Levent; Wong, Man Conference paper
A novel microcapillary-based dielectrophoresis for single cell positioning and analysis
The 4th International Symposium on Microchemistry and Microsystems (ISMM), Zhubei City, Hsinchu County, Taiwan, 2012
Luo, Yuan; Yobas, Levent Conference paper
DEP-activated cell separation by Interdigitated 3-D Silicon Ring electrodes
The 4th International Conference on Advances in Microfluidics and Nanofluidics (AMN 2013), University of Notre Dame, IN, USA, 24-26 May 2013
Xing, Xiaoxing; Yobas, Levent Conference paper
Interdigitated 3-D silicon ring electrodes for DEP-activated cell separation
International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China\16-19 May 2013
Xing, Xiaoxing; Yobas, Levent Conference paper
Self-enclosed cylindrical glass nanocapillary array for DNA separation
The 4th International Conference on Advances in Microfluidics and Nanofluidics (AMN 2013), University of Notre Dame, IN, USA, 24-26 May 2013
Cao, Zhen; Yobas, Levent Conference paper
Self-enclosed cylindrical submicron glass capillary array for DNA separation
The 5th International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China\16-19 May 2013
Cao, Zhen; Yobas, Levent Conference paper
Self-sealed glass micro-capillaries for chip-based capillary electrophoresis
The 4th International Symposium on Microchemistry and Microsystems (ISMM2012), Zhubei City, Hsinchu County, Taiwan, 2012
Cao, Zhen; Luo, Yuan; Fu, Junxue; Ren, Kangning; Wu, Hongkai; Yobas, Levent Conference paper
Stretching DNA in nanocapillaries fabricated through coarse (>1μm) lithography
International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China, 16-19 May 2013
Liu, Yifan; Yobas, Levent Conference paper
The Effect of Asymmetry on Particle Focusing in Microchannels
Advanced materials research, v. 403, 2012, p. 482-485
Trabzon, Levent; Kizil, Huseyin; Yobas, Levent; Ozbey, Arzu; Yilmaz, Mustafa; Cengiz, Meral; Trabzon, Metin; Ordu, Mustafa; Kaygusuz, Nihat Conference paper

2011 5

A 'microfluidic pinball' for on-chip generation of Layer-by-Layer polyelectrolyte microcapsules
Lab on a chip, v. 11, (6), 2011, p. 1030-1035
Kantak, Chaitanya; Beyer, Sebastian; Yobas, Levent; Bansal, Tushar; Trau, Dieter Article
Localized oblique-angle deposition: Ag nanorods on microstructured surfaces and their SERS characteristics
Nanotechnology, v. 22, (50), 2011
Fu, Junxue; Cao, Zhen; Yobas, Levent Article
A patch-clamp microdevice with dielectrophoretic (DEP) cell guidance
The 3rd International Symposium on Microchemistry and Microsystems (ISMM), Seoul, Korea, 2011
Luo, Yuan; Fu, Junxue; Yobas, Levent Conference paper
Ag Nanorods Prepared by Localized Oblique Angle Deposition as SERS-active Substrate
The 2nd International Conference on Frontiers of Plasmonics (FOP2), Sichuan University, Chengdu, Sichuan, China
Fu, Junxue; Cao, Zhen; Yobas, Levent Conference paper
Stealth Electrode Dielectrophoresis: Microspheres Manipulation by Patterned 2-Dimensional Electron Gas (2DEG) in AlGaN/GaN Heterostructures
ISMM 2011 in Conjunction with the KBCS Spring Meeting, Seoul, Korea, from June 2 to 4, 2011. Abstract: F3-056
Fu, Junxue; Yobas, Levent; Chen, Kevin J. Conference paper

2010 2

Design and fabrication of Poly(dimethylsiloxane) arrayed waveguide grating
Optics express, v. 18, (21), October 2010, p. 21732-21742
Kee, Jack Sheng; Poenar, Daniel Puiu; Neuzil, Pavel; Yobas, Levent; Chen, Yu Article
Versatile label free biochip for the detection of circulating tumor cells from peripheral blood in cancer patients
Biosensors and Bioelectronics, v. 26, (4), 2010, p. 1701-1705
Tan, S.J.; Lakshmi, R.L.; Chen, P.; Lim, W.T.; Yobas, L.; Lim, C.T. Article

2009 11

A self-contained fully-enclosed microfluidic cartridge for lab-on-a-chip
Biomedical Microdevices, v. 11, (6), 2009, p. 1279-1288
Yobas, Levent; Cheow, L.F.; Tang, K.C.; Yong, S. -E; Ong, E.K.Z.; Wong, L.; Teo, W.; Ji, H.M.; Rafaeh, S.; Yu, C. Article
Design and fabrication of Poly(dimethylsiloxane) singlemode rib waveguide
Optics Express, v. 17, (14), 2009, p. 11739-11746
Sheng, J.K.; Poenar, D.P.; Neuzil, P.; Yobas, Levent Article
Microdevice for the isolation and enumeration of cancer cells from blood
Biomedical Microdevices, v. 11, (4), 2009, p. 883-892
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T. Article
Microdroplet formation of water and nanofluids in heat-induced microfluidic T-junction
Microfluid Nanofluid., v. 6, (2), 2009, p. 253-259
Murshed, S.M.S.; Tan, S.H.; Nguyen, N.T.; Wong, T.N.; Yobas, Levent Article
Preparation of a SERS substrate and its sampleloading method for point-of-use application
Nanotechnology, v. 20, (40), 2009, article number 405604
Fang, AOC; Agarwal, A.; Ji, H.; Karen, W.Y.; Yobas, Levent Article
The shape of a step structure as a design aspect to control droplet generation in microfluidics
J Micromech & Microeng, v. 20, (3), 2009, article number 035010
Sim, S.P.C.; Kang, T.G.; Yobas, Levent; Holtze, C.; Weitz, D.A. Article
Thermally mediated control of liquid microdroplets at a bifurcation
J. Phys. D: Appl. Phys., v. 42, (6), article number 065503
Yap, Y.F.; Tan, S.H.; Nguyen, N.T.; Murshed, S.M.S.; Wong, T.N.; Yobas, Levent Article
A silicon-based microchip with a standard 1536-well format for lateral patch-clamping
Proceedings of μTAS 2009, 13th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Jeju Korea, Novermber 1-5 2009
Reboud, J.; Kwok, J.L.; Peng, S.L.; Tang, K.C.; Yobas, Levent Conference paper
Bioelectronics – The Next Wave
International Conference on Materials for Advanced Technologies (ICMAT), Singapore, 28 June – 3 July 2009, (Invited)
Yobas, Levent Conference paper
Biomicrofluidics & Biosensors
The 13th International Conference on Biomedical Engineering, singapore, 3-6 December 2008, p. 96 (Invited)
Yobas, Levent Conference paper
Generating droplets at a broad operating range through a flow-focusing geometry with a simple step profile
Proceedings of μTAS 2009, 13th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Jeju Korea, Novermber 1-5 2009
Kang, T.G.; Sim, S.P.C.; Yobas, Levent; Weitz, D. Conference paper

2008 13

A disposable planar peristaltic pump for Lab-on-a-Chip
Lab Chip, v. 8, 2008, p. 660-662
Yobas, Levent; Tang, K.C.; Yong, S.E.; Ong, E.K.Z. Article
A procedure for the motion of particle-encapsulated droplets in microchannels
Numerical Heat Transfer Part B – Fundamentals, v. 53, (1), 2008, p. 59-74
Yap, Y.F.; Chai, J.C.; Wong, T.N.; Nguyen, N.T.; Toh, K.C.; Zhang, H.Y.; Yobas, Levent Article
Monolithic integration of Poly(dimethylsiloxane) waveguides and microfluidics for on-chip absorbance measurements
Sensors and Actuators, v. 134, (2), B 2009, p. 532-538
Sheng, J.K.; Poenar, D.P.; Neuzil, P.; Yobas, Levent Article
Self-sealed circular channels for micro-fluidics
Sensors and Actuators A (2008), v. 142, (1), March 10 2008 p. 80-87
Agarwal, A.; Ranganathan, N.; Ong, W.L.; Tang, K.C.; Yobas, Levent Article
Silicon-based microfilters for whole blood cell separation
Biomedical Microdevices, v. 10, (2), 2008, p. 251-257
Ji, H.M.; Samper, V.; Chen, Y.; Heng, C.K.; Lim, T.M.; Yobas, Levent Article
Thermally controlled droplet formation in flow focusing geometry: formation regimes and effect of nanoparticle suspension
J. Phys. D:Appl. Phys., v. 41, (16), 2008, acticel number 165501
Tan, S.H.; Murshed, S.M.S.; Nguyen, N.T.; Wong, T.N.; Yobas, Levent Article
A microfluidic device for continuous-flow layer-by-layer encapsulation of droplets with polyelectrolytes
Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences, San Diego California USA, October 12-16 2008, p. 1402-1404
Zhang, S.; Yobas, Levent; Trau, D. Conference paper
Dengue RNA extraction in a fully enclosed self-contained lab-on-a-chip (LOC) cartridge
Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences, San Diego California USA, October 12-16 2008, p. 1099-1101
Yobas, Levent; Rafeah, S.; Li, Z.; Yong, S.E.; Ong, K.Z.; Lau, K.; Chow, V.T.K.; Heng, C.K. Conference paper
Enumarating viable circulating tumor cells for cancer diagnostics
Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences San Diego California USA, October 12-16 2008, p. 1178-1180
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T. Conference paper
Microdevice for isolating viable circulating tumor cells
Proceedings of International Conference on Biocomputation, Bioinformatics, and Biomedical Technologies, BIOTECHNO, June 29 – July 05 2008, p. 109-113
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T. Conference paper
Microdevice for trapping circulating tumor cells for cancer diagnostics
The 13th International Conference on Biomedical Engineering, sinapore, December 3-6 2008, p.106
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T. Conference paper
Nucleic acid sample preparation for dengue virus using a chip-based RNA extractor in a self-contained microsystem
The 13th International Conference on Biomedical Engineering, singapore, December 3-6 2008, p. 180
Li, Z.; Rafeah, S.R.M.; Xie, L.; Chew, M.B.R.; Premchandra, C.S.; Ji, H.M.; Chen, Y.; Yobas, Levent; Rajoo, R.; Ong, K.L.; Tan, R.; Lau, K.S.H.; Chow, V.T.K.; Heng, C.K.; Teo, K.H. Conference paper
Patch-clamping in droplet arrays: Single cell positioning via dielectrophoresis
The 13th International Conference on Biomedical Engineering, singapore, December 3-6 2008, p.112
Reboud, J.; Luong, M.Q.; Rosales, C.; Yobas, Levent Conference paper

2007 13

Digital Microfluidics: Droplet-based logic gates
Applied Physics Letters, v. 90, (5), January 29 2007, article number 054107
Cheow, L.F.; Yobas, Levent; Kwong, D.L. Article
Experimental and computational analysis of droplet formation in a high-performance flow-focusing geometry
Sensors and Actuators A (2007), v 138, (1), July 20 2007, p. 203-212
Ong, W.L.; Hua, J.; Zhang, B.; Teo, T.Y.; Zhio, J.; Nguyen, N.T.; Ranganathan, N.; Yobas, Levent Article
Microfluidic integration of substantially round glass capillaries for lateral patch clamping on chip
Lab Chip, v. 7, (10), 2007, p. 1357-1366
Ong, W.L.; Tang, K.C.; Agarwal, A.; Nagarajan, R.; Luo, L.W.; Yobas, Levent Article
Microfluidic systems for extracting nucleic acids for DNA and RNA analysis
Sensors and Actuators A (2007), v. 133, (2), February 12 2007, p. 335-339
Hui, W.C.; Yobas, Levent; Samper, V.D.; Heng, C.K.; Liw, S.; Ji, H.M.; Chen, Y.; Lin, C.; Li, J.; Lim, T.M. Article
Micromixing crowded biological agents by folding slugs through pillars
Sensors and Actuators B 2007, v. 128, (1), 2007, p. 340-348
Tang, K.C.; Wibowo, R.M.; Ghista, D.N.; Yobas, Levent Article
Nucleic acid extraction, amplification, and detection on Si-based microfluidic platforms
IEEE Journal of Solid-State Circuits (2007), v. 42, (8), Auguest 8 2007, p. 1803-1813
Yobas, Levent; Ji, H.; Hui, W.; Chen, Y.; Lim, TM; Heng, CK; Kwong,D-L Article
Rapid prototyping of microfluidic systems using a laser-patterned tape
J of Micromechanics and Microengineering, v. 17, (12), 2007, p. N107-N1111
Luo, L.W.; Teo, C.Y.; Ong, W.L.; Tang, K.C.; Cheow, L.F.; Yobas, Levent Article
Thermally mediated droplet formation in microchannels
Applied Physics Letters, v. 91, (8), 2007, article number 084102
Nguyen, N.T.; Ting, T.H.; Yap, Y.F.; Wong, T.N.; Chai, J.C.K.; Ong, W.L.; Zhou, J.; Tan, S.H.; Yobas, Levent Article
A disposable magnetic planar peristaltic pump for selfcontained lab-on-a-chip (LOC) cartridge
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 1, p. 685-687
Yobas, Levent; Cheow, L.F.; Tang, K.C.; Teo, C. -Y Conference paper
Continuous-flow layer-by-layer encapsulation with polyelectrolytes through a microfluidic device
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 2, p. 1528-1530
Peng, K.Q.; Ong, W.L.; Yobas, Levent; Trau, D. Conference paper
Heat-polishing integrated glass patch capillaries for enhanced gigaseals
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 1, p. 140-142
Ong, W.L.; Luo, L.W.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent Conference paper
Multi-total internal reflection in polydimethylsiloxane microfluidics for enhanced absorbance detection
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 2, p. 1661-
Sheng, J.K.; Poenar, D.P.; Yobas, Levent Conference paper
Thermal control of droplet size in microchanels
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol.2, p. 1562-1564
Nguyen, N.T.; Ting, T.H.; Yap, Y.F.; Wong, T.N.; Chai, J.C.K.; Ong, W.L.; Zhou, J.; Tan, S.H.; Yobas, Levent Conference paper

2006 17

Buried microfluidic channel for integrated patch clamping assay
Applied Physics Letters, v. 89, (9), Augest 28 2006, article number 093902
Ong, W.L.; Kee, J.S.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent Article
High-performance flow-focusing geometry for spontaneous generation of monodispersed droplets
Lab Chip, v. 6, (8), Aug 2006, p. 1073-1079
Yobas, Levent; Martens, S.; Ong, W.L.; Ranganathan, N. Article
Thermally mediated breakup of drops in microchannels
Applied Physics Letters, v. 89, (23), 2006, article number 234101
Ting, T.H.; Yap, Y.F.; Nguyen, N.T.; Wong, T.N.; Chai, J.C.K.; Yobas, Levent Article
A missing factor in chip-based patch clamp assay: Gigaseal
Journal of Physics: Conference Series, 2006, p.187-191
Ong, W.L.; Yobas, Levent; Ong, W.Y. Conference paper
Array of silicon lateral traps with highdensity self-sealing fluidic interconnects for cell-based assays
APCOT, Singapore, 2006
Ong, W.L.; Yang, W.; Ranganathan, N.; Tang, K.C.; Yobas, Levent Conference paper
Evaluation of bonding between oxygen plasma treated polydimethyl siloxane and passivated silicon
Journal of Physics: Conference Series, 2006, p. 155-161
Tang, K.C.; Liao, E.; Ong, W.L.; Wong, J.D.S.; Agarwal, A.; Nagarajan, R.; Yobas, Levent Conference paper
Fully circular self-sealed channels for microfluidics
Eurosensors XX, G?TEBORG, SWEDEN, 2006
Agarwal, A.; Ranganathan, N.; Ong, W.L.; Yobas, Levent Conference paper
Fully-Round Buried Microchannels in Glass For Lateral Patch Clamping
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9, 2006 Vol. 1, pp. 434-436
Ong, W.L.; Kee, J.S.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent Conference paper
High-Performance Droplet Generation Via Integrated 3-D Circular Constrictions
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1 p. 56-58
Ong, W.L.; Martens, S.; Ranganathan, N.; Yobas, Levent Conference paper
Integrated Polydimethylsiloxane Waveguide for Optical Detection
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1, p. 732-734
Kee, J.S.; Poenar, D.P.; Yobas, Levent Conference paper
Micro-Extraction of Viral Ribonucleic Acid (RNA)
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1 p. 317-319
Yobas, Levent; Ji, H.M.; Chen, Y.; Liw, S.; Hui, W.C.; Rafeah, S.; Chong, S.C.; Xie, L.; Jing, L.J.; Wong, S.M.; Lim, T.M.; Heng, C.K. Conference paper
Microfluidic sample preparation for nucleic acid analysis
Design, Automation, and Test in Europe, ICM, MESSE Munich Germany, March 6-10, 2006
Samper, V.; Hui, W.C.; Hongmiao, J.; Yobas, Levent; Yu, C.; Heng, C.K.; Lim, T.M. Conference paper
Micromixing Biologically Crowded Agents By Folding Plugs Through Pillars
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1, p. 600-603
Tang, K.C.; Wibowo, R.M.; Yobas, Levent Conference paper
Nucleic acid extraction, amplification, and detection on Si-based microfluidic platforms
IEEE Custom Integrated Circuits Conferencet, San Jose California USA, 2006, p. 465-472 (Invited Talk)
Yobas, Levent; Ji, H.; Hui, W.; Chen, Y.; Lim, TM; Heng, CK; Kwong,D-L Conference paper
Particle flow characterization for a microfluidic device for cell-based assay
Electronics Packaging Technology Conference EPTC '06, December 8 2006, p. 454 – 461
Teo, C.Y.; Ong, W.L.; Zhang, H.Y.; Yobas, Levent Conference paper
Self-sealing fluidic interconnects for high-density cellbased assays
APCOT, Singapore, 2006
Ong, W.; Tang, K.C.; Ranganathan, N.; Yobas, Levent Conference paper
Silicon-Based Microfilters for Whole Blood Cell Separation
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9, 2006, Vol. 1 p. 323-325
Ji, H.M.; Samper, V.; Yobas, Levent; Chen, Y.; Heng, C.K.; Lim, T.M. Conference paper

2005 5

Precise Profile Control of 3-D Lateral Junction Traps by 2-D Mask Layout and Isotropic Etching
J of Micromechanics and Microengineering, v. 15, 2005, p. 386-393
Yobas, Levent; Sharma, R.K.; Nagarajan, R.; Samper, V.; Naidu, P. d/o S.R. Article
Disposable Polydimethylsiloxane Package for Bio-Microfluidic System
55th Electronic Components and Technology Conference (ECTC), Lake Buena Vista FL USA, May 31 – June 5 2005, p. 617-621
Choong, S.C.; Xie, L.; Yobas, Levent; Ji, H.M.; Li, J.; Chen, Y.; Damaruganath, P.; Hui, W.C.; Iyer, M. K, Conference paper
Microfluidic Chip for Viral RNA Extraction & Detection
IEEE Sensors 2005, The 4th IEEE Conference on Sensors, Irvine CA USA, October 31- Nov 3 2005, Vols. 1 & 2, p. 49-52
Yobas, Levent; Heng, C.K.; Hui, W.C.; Ji, H.M.; Chen, Y.; Lye, H.J.; Bte, S.R.; Liw, S.; Li, J.; Choong, C.S.; Xie, L.; Lim, T.M. Conference paper
Microfluidic System for Extracting Nucleic Acids – From DNA to RNA
ICMAT 2005, 3rd International Conference on Materials for Advanced Technologies, Singapore, July 3-8 2005
Hui, W.C.; Yobas, Levent; Samper, V.; Heng, C.K.; Liw, S.; Ji, H.M.; Chen, Y.; Lin, C.; Li, J.; Lim, T.M. Conference paper
Selfforming Lateral Apertures in Silicon Microchannels for Patch Clamping
Proceedings of μTAS 2005, 9th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Boston MA USA, October 9-13 2005, Vol. 2 p. 933-935
Yobas, Levent; Zhao, L.; Zhu, J.; Kumar, R.S.; Nagarajan, R.; Liw, S.S.; Hui, W.C.; Lim, T.M.; Sheu, F.S. Conference paper

2004 3

A Flow-Through Shear-Type Microfilter Chip For Separating Plasma and Virus Particles from Whole Blood
Proceedings of μTAS 2004, 8th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Malmo Sweden, September 26-30 2004, Vol. 2 p. 7-9
Yobas, Levent; Gui,E-L; Ji, H.; Li, J.; Chen, Y.; Hui,W-C; Rafe, S.; Swarup, S.; Wong,S-M; Lim,T-M; Heng,C-K Conference paper
Fabricating Submicron Microfluidic Filter without Submicron Etching
International Conference on Electrical Engineering (APCOT), July 4-82004, Vol. 3-1 p. 409-412
Li, J.; Chen, Y.; Yobas, Levent; Ji, H.M.; Hui, W.C. Conference paper
From R&D to Industrial Applications: The MEMS R&D Activities in Singapore
10th Micromachine Summit, Grenoble France, May 3-5 2004
Wang, Z.; Yobas, Levent Conference paper

2003 1

A novel integrable microvalve for refreshable Braille display system
Journal of Microelectromechanical Systems, v. 12, June 2003, p. 252-263
Yobas, Levent; Durand, D.M.; Skebe, Gerard G.; Lisy, F.J.; Huff, M.A. Article

2001 1

A novel bulk-micromachined electrostatic microvalve with a curved-compliant structure applicable for a pneumatic tactile display
Microelectromechanical Systems, v. 10, June 2001, p. 187-196
Yobas, Levent; Huff, M.A.; Lisy, F.J.; Durand, D.M. Article

1999 2

A Pneumatically Actuated Tactile Display Unit Utilizing MEMS Microvalves
Annals of Biomedical Engineering, Vol. 26, Supplement 1, RE. 13, S-131, Biomedical Engineering Society 1998 Annual Fall Meeting, October 10-13, 1998
Yobas, Levent; Lisy, F.J.; Schmidt, R.N.; Huff, M.A. Conference paper
Electrostatically Actuated MEMS Microvalve Suitable for Pneumatically Actuated Refreshable Braille-Display-System
ASME Summer Bioengineering Conference, June 16-20 1999
Yobas, Levent; Carver, B.R.; Lisy, F.J.; Huff, M.A. Conference paper


Expand All Collapse All


Article 4

A Sub-nL Chip Calorimeter and Its Application to the Measurement of the Photothermal Transduction Efficiency of Plasmonic Nanoparticles
Journal of Microelectromechanical Systems, v. 30, (5), October 2021, p. 759-769
Ni, Sheng; Bu, Yang; Zhu, Hangliang; Neuzil, Pavel; Yobas, Levent
Analyzing Protein-protein Interactions In Rare Cells Using Microbead-based Single-molecule Pulldown Assay
Lab on a Chip, v. 21, (16), 15 June 2021, p. 3137-3149
Zhao, Qirui; Shen, Yusheng; Li, Xiaofen; Tian, Fang; Yu, Xiaojie; Yobas, Levent; Park, Hyo Keun; Duan, Yuanyuan; Huang, Pingbo
Electrokinetic oscillation, railing, and enrichment of submicron particles along 3D microelectrode tracks
Microfluidics and Nanofluidics, v. 25, (4), April 2021, article number 37
Kushigbor, Stanley Dickson Elinam; Tang, Zili; Bu, Yang; Yobas, Levent
Ordered surface crack patterns in situ formed under confinement on fluidic microchannel boundaries in polydimethylsiloxane
Lab on a Chip, v. 21, (4), February 2021, p. 668-673
Bu, Yang; Ni, Sheng; Yobas, Levent

Conference paper 3

Continuous-Flow Electrokinetic Enrichment/Separation of Nanoparticles Using 3d Microelectrode Tracks
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v. 2021-January, January 2021, article number 9375161, p. 115-118
Tang, Zili; Kushigbor, Stanley D.; Yobas, Levent
Enrichment of Nanoparticles on Microtracks by Dielectrophoresis and AC Electroosmosis
2020 Biomedical Engineering Society (BMES) Virtual Meeting, Virtual, 14 - 17 October 2020
Tang, Zili; Kushigbor, Stanley Dickson Elinam; Yobas, Levent
Multifunctional 3D Viaduct Microelectrodes for Continuous-Flow Dielectrophoretic Railing and Electroporation of Cells Under Modulated Activation
21st International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2021, June 2021, p. 695-698
Tang, Zili; Kushigbor, Stanley; Bai, Junwu; Bu, Yang; Ni, Sheng; Yobas, Levent


Expand All Collapse All


Article 6

A SiN Microcalorimeter and a Non-Contact Precision Method of Temperature Calibration
Journal of Microelectromechanical Systems, v. 29, (5), October 2020, article number 9146342, p. 1103-1105
Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent
Conductance Interplay in Ion Concentration Polarization across 1D Nanochannels: Microchannel Surface Shunt and Nanochannel Conductance
Analytical Chemistry, v. 92, (1), January 2020, p. 1252-1259
Ahmed, Zisun; Bu, Yang; Yobas, Levent
Heat Transfer Time Determination Based on DNA Melting Curve Analysis
Microfluidics and Nanofluidics, v. 24, (1), January 2020, article number 7
Zhu, Hanliang; Li, Huanan; Zhang, Haoqing; Fohlerova, Zdenka; Ni, Sheng; Klempa, Jaroslav; Gablech, Imrich; Hubalek, Jaromir; Chang, Honglong; Yobas, Levent; Neuzil, Pavel
Nanolithography toolbox - Simplifying the design complexity of microfluidic chips
Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics, v. 38, (6), 10 November 2020, article number 063002
Zhang, Haoqing; Pekárek, Jan; Feng, Jianguo; Liu, Xiaocheng; Li, Huanan; Zhu, Hanliang; Svato?, Vojtech; Gablech, Imrich; Pode?va, Pavel; Ni, Sheng; Yobas, Levent; Neu?il, Pavel
Rapid Characterization of Biomolecules’ Thermal Stability in a Segmented Flow-Through Optofluidic Microsystem
Scientific Reports, v. 10, (1), April 2020, article number 6925
Fohlerova, Zdenka; Zhu, Hanliang; Hubalek, Jaromir; Ni, Sheng; Yobas, Levent; Podesva, Pavel; Otahal, Alexandr; Neuzil, Pavel
The vision of point-of-care PCR tests for the COVID-19 pandemic and beyond
TrAC - Trends in Analytical Chemistry, v. 130, September 2020, article number 115984
Zhu, Hanliang; Zhang, Haoqing; Ni, Sheng; Korabe?ná, Marie; Yobas, Levent; Neuzil, Pavel

Book chapter 1

Microfluidics and bioMEMS in silicon
Handbook of Silicon Based MEMS Materials and Technologies: Micro and Nano Technologies / Edited by Markku Tilli, Mervi Paulasto-Krockel, Matthias Petzold, Horst Theuss, Teruaki Motooka, Veikko Lindroos. Amsterdam, Netherlands : Elsevier, 2020, p. 547-563, Ch. 22
Franssila, Sami; Davis, Cristina E.; Levasseur, Michael K.; Cao, Zhen; Yobas, Levent

Conference paper 4

A Compact MEMS Chip for a Rapid and Highly Accurate Picoliter Calorimetry
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v. 2020-January, January 2020, article number 9056359, p. 1006-1009
Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent
A compact microcalorimeter for the rapid characterization of liquid thermal properties
MicroTAS 2020 The 24th International Conference on Miniaturized Systems for Chemistry and Life Sciences, Online, 4-9 October 2020
Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent
A novel nanobead-based single-molecule pull-down for cell populations single cells
64th Annual Meeting of the Biophysical Society (bps 2020), San Diego, USA, 15-19 February 2020
Zhao, Qirui; Shen, Yusheng; Tian, Fang; Yobas, Levent; Park, Hyo Keun; Huang, Pingbo
Railing Nanoparticles Along Activated Tracks Towards Continuous-Flow Electrokinetic Enrichment from Blood Plasma
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, v. 2020-July, July 2020, article number 9176283, p. 2249-2252
Kushigbor, Stanley Dickson Elinam; Tang, Zili; Yobas, Levent


Expand All Collapse All


Article 2

A nanofluidic memristor based on ion concentration polarization
Analyst, v. 144, (24), December 2019, p. 7168-7172
Bu, Yang; Ahmed, Zisun; Yobas, Levent
Single-cell Point Constrictions for Reagent-free High-throughput Mechanical Lysis and Intact Nuclei Isolation
Micromachines, v.10, (7), July 2019, article number 488
Huang, Xiaomin; Xing, Xiaoxing; Ng, Chun Ning; Yobas, Levent

Conference paper 3

A nanofluidic memristor based on ion concentration polarization
23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, (μTAS 2019), Basel, Switzerland, 27- 31 October 2019
Bu, Yang; Ahmed, Zisun; Yobas, Levent
Coupling electrothermal rolls and dielectropheresis for continuous-flow separation of nanoparticles
23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, (μTAS 2019), Basel, Switzerland, 27- 31 October 2019
Kushigbor, Stanley; Yobas, Levent
Three-dimensional laminar-flow micromixer for kinetic studies of increased accuracy through a prefocused stream injection
23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, (μTAS 2019), Basel, Switzerland, 27- 31 October 2019
Ni, Sheng; Yobas, Levent


Expand All Collapse All


Article 3

A Low-Backpressure Single-Cell Point Constriction for Cytosolic Delivery Based on Rapid Membrane Deformations
Analytical Chemistry, v. 90, (3), February 2018, p. 1836-1844
Xing, Xiaoxing; Pan, Yueyue; Yobas, Levent
Label-Free Multiplexed Electrical Detection of Cancer Markers on a Microchip Featuring an Integrated Fluidic Diode Nanopore Array
ACS Nano, v. 12, (8), August 2018, p. 7892-7900
Duan, Lian; Yobas, Levent
Railing cells along 3D microelectrode tracks for continuous-flow dielectrophoretic sorting
Lab on a Chip, v. 18, (24), December 2018, p. 3760-3769
Xing, Xiaoxing; Ng, Chun Ning; Chau, Ming Lok; Yobas, Levent

Conference paper 5

3D nanostructures fabricated via low-resolution optical lithography for biomolecular separation and detection
The 8th International Multidisciplinary Conference on Optofluidics (IMCO 2018), Shanghai, China, 5-8 August 2018
Duan, Lian; Yobas, Levent
Direct Observation of Electrospraying Droplets From Self-Enclosed Glass Nanonozzle Emitters Integrated on Silicon
22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, v. 1, 2018, p. 458-461
Duan, Lian; Huang, Xiaomin; Djuemo, Irving; Abelmann, Leon; Manz, Andreas; Yobas, Levent
Ion Concentration Polarization Characteristics of a Single Glass Nanopore in an Array Integrated on Silicon Through Low-Resolution Photolithography
22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, v. 1, 2018, p. 362-365
Duan, Lian; Ahmed, Zisun; Yobas, Levent
Robust Biochips for Dielectrophoretic Sorting and Mechanical Poration of Cells
12th IEEE international Conference on Nano/Molecular Medicine and Engineering (IEEE-NANOMED 2018), Sheraton Waikiki, Hawaii, USA, 2-5 December 2018
Yobas, Levent
Two Dimensional Confinement in Nanocapillaries and Consequent Suppression of Overlimiting Current
22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, v. 1, 201, p. 443-446
Ahmed, Zisun; Duan, Lian; Yobas, Levent


Expand All Collapse All


Article 3

Continuous-Flow Electrophoresis of DNA and Proteins in a Two-Dimensional Capillary-Well Sieve
Analytical Chemistry, v. 89, (18), September 2017, p. 10022-10028
Duan, Lian; Cao, Zhen; Yobas, Levent
Mechanical Characterization of Microengineered Epithelial Cysts by Using Atomic Force Microscopy
Biophysical Journal, v. 112, (2), January 2017, p. 398-409
Shen, Yusheng; Guan, Dongshi; Serien, Daniela; Takeuchi, Shoji; Tong, Penger; Yobas, Levent; Huang, Pingbo
On-chip hydrodynamic chromatography of DNA through centimeters-long glass nanocapillaries
Analyst, v. 142, (12), May 2017, p. 2191-2198
Duan, Lian; Yobas, Levent

Conference paper 6

Continuous-Flow Electrophoretic Separation of Biomolecules in a Two-Dimensional Capillary-Well Motif
2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS 2017), March 2017, p. 137-140
Duan, Lian; Xing, Xiaoxing; Yobas, Levent
Dielectrophoretic Cell Sorting via Sliding Cells on 3D Silicon Microelectrodes
2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS), February 2017, article number 7863362, p. 147-150
Xing, Xiaoxing; Chau, Ming Lok; Roshan, Kamyar A.; Yobas, Levent
Nanofluidic Diode Biosensor Featuring a Single Nanoslit for Label-free Detection of Cardiac Troponin Biomarker
TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems, July 2017, article number 7994183, p. 854-857
Yeasmin, Sanjida; Xing, Xiaoxing; Duan, Lian; Yobas, Levent
Numerical simulation for cell railing on 3D silicon microelectrodes featuring sidewall undercuts
Proceedings of the 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), February 2020, p. 822-823
Chau, Ming Lok; Xing, Xiaoxing; Yobas, Levent
Pressure-driven Separation of DNA by Using Self-enclosed Integrated Glass Nanocapllary
TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems, July 2017, article number 7994406, p. 1750-1753
Duan, Lian; Yobas, Levent
Reagent-free-high-throughput extraction of nuclear acids and proteins via rapid mechanical cell lysis using silicon point-constructions
Proceedings of the 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), February 2020, p. 1481-1482
Huang, Xiaomin; Pan, Yueyue; Xing, Xiaoxing; Yobas, Levent


Expand All Collapse All


Article 4

Continuous-Flow Electrokinetic-Assisted Plasmapheresis by Using Three-Dimensional Microelectrodes Featuring Sidewall Undercuts
Analytical Chemistry, v. 88, (10), May 2016, p. 5197-5204
Xing, Xiaoxing; He, Minghao; Qiu, Huihe; Yobas, Levent
Pressure-Driven Chromatographic Separation Modes in Self Enclosed Integrated Nanocapillaries
Analytical Chemistry, v. 88, (23), December 2016, p. 11601-11608
Duan, Lian; Cao, Zhen; Yobas, Levent
Slowing DNA Translocation in a Nanofluidic Field-Effect Transistor
ACS Nano, v. 10, (4), April 2016, p. 3985-3994
Liu, Yifan; Yobas, Levent
Two-dimensional Hydrodynamic Flow Focusing in a Microfluidic Platform Featuring a Monolithic Integrated Glass Micronozzle
Applied Physics Letters, v. 109, (14), October 2016, article number 144101
Liu, Yifan; Shen, Yusheng; Duan, Lian; Yobas, Levent

Conference paper 5

A Single-Cell Impedance Flow Cytometry Microsystem Based On 3D Silicon Microelectrodes
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), 2016, article number 7421737, p. 749-752
Xing, Xiaoxing; Yobas, Levent
Continuous-Flow Biomolecule Separation Through a 2D Periodic Array Based on a Glass Capillary-Well Motif
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 1459-1460
Duan, Lian; Yobas, Levent
Pressure Driven Liquid Chromatography in Self-Enclosed Glass Microcapillaries Integrated on Silicon
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v. 2016-February, February 2016, article number 7421745, p. 780-783
Duan, Lian; Cao, Zhen; Yobas, Levent
Protein Purification and Separation Using Integrated Glass Nanocapillaries Under Pressure-Driven Conditions
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 1428-1429
Duan, Lian; Yobas, Levent
Scrape-Loading Assisted Intracellular Delivery via Microconstriction Featuring A Sharp Edge
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 325-326
Pan, Yueyue; Xing, Xiaoxing; Duan, Lian; Yobas, Levent


Expand All Collapse All


Article 4

Dielectrophoretic isolation of cells using 3D microelectrodes featuring castellated blocks
Analyst, v. 140, (10), May 2015, p. 3397-3405
Xing, Xiaoxing; Yobas, Levent
Gel-Free Electrophoresis of DNA and Proteins on Chips Featuring a 70 nm Capillary-Well Motif
ACS Nano, v. 9, (1), January 2015, p. 427-435
Cao, Zhen; Yobas, Levent
In vitro epithelial organoid generation induced by substrate nanotopography
Scientific Reports, v.5, March 2015, article number 9293
Shen, Yusheng; Hou, Youmin; Yao, Shuhuai; Huang, Pingbo; Yobas, Levent
Microfluidic emulsification through a monolithic integrated glass micronozzle suspended inside a flow-focusing geometry
Applied Physics Letters, v. 106, (17), April 2015, article number 174101
Liu, Yifan; Yobas, Levent

Book chapter 1

Microfluidics and bioMEMS in silicon
Handbook of Silicon Based MEMS Materials and Technologies: Micro and Nano Technologies / Edited by Markku Tilli, Teruaki Motooka, Veli-Matti Airaksinen, Sami Franssila, Mervi Paulasto-Kr?ckel, Veikko Lindroos. Netherlands : Elsevie, 2015, p. 565-581, Ch. 27
Franssila, Sami; Davis, Christina; Levasseur, Michael; Cao, Zhen; Yobas, Levent

Conference paper 5

3D Silicon Electrodes with Built-in Glass Capillaries for Dielectrophoretic Single-Cell Positioning and Analysis
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, Institute of Electrical and Electronics Engineers ( IEEE ), 2015, p. 540-543
Luo, Y.; Yobas, Levent
Continuous-flow dielectrophoretic sorting of particles via 3D silicon electrodes featuring castellated sidewalls
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), January 2015, article number 7051003, p. 508-511
Xing, Xiaoxing; Yoba?, Levent
High Performance Sieving of Biomolecules in a Capillary-Well Motif
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 452-455
Cao, Zhen; Yobas, Levent
Mechanical Characterization of Microengineered Epithelial Cysts Using Atomic Force Microscopy
MicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences, 2015, p. 173-175
Shen, Yusheng; Guan, Dongshi; Serien, Daniela; Takeuchi, Shoji; Tong, Penger; Huang, Pingbo; Yobas, Levent
Monolithic Integrated Glass Micronozzle Emitters on Silicon for Nano-electrospray Ionization Mass Spectrometry
MicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2015, Chemical and Biological Microsystems Society, 2015, p. 1749-1751
Duan, Lian; Liu, Yifan; Yobas, Levent


Expand All Collapse All


Article 7

Fast DNA Sieving through Submicrometer Cylindrical Glass Capillary Matrix
Analytical Chemistry, v. 86, (1), January 2014, p. 737-743
Cao, Zhen; Yobas, Levent
Flow-through electroporation of mammalian cells in decoupled flow streams using microcapillaries
Biomicrofluidics, v. 8, (5), 2014, article number 052101
Luo, Yuan; Yobas, Levent
Forces acting on a particle in a concentration gradient under an externally applied oscillating electric field
Applied Physics Letters, v. 105, (9), September 2014, article number 094105
Luo, Yuan; Yobas, Levent
Induced hydraulic pumping via integrated submicrometer cylindrical glass capillaries
Electrophoresis, v. 35, (16), 2014, p. 2353-2360
Cao, Zhen; Yobas, Levent
Label-free enumeration of colorectal cancer cells from lymphocytes performed at a high cell-loading density by using interdigitated ring-array microelectrodes
Biosensors and Bioelectronics, v. 61, November 2014, p. 434-442
Xing, Xiaoxing; Poon, Randy Yat Choi; Wong, Cesar; Yobas, Levent
Label-Free Specific Detection of Femtomolar Cardiac Troponin Using an Integrated Nanoslit Array Fluidic Diode
Nano Letters, v. 14, (12), December 2014, p. 6983-6990
Liu, Yifan; Yobas, Levent
Microfluidic-based Metal Enhanced Fluorescence for Capillary Electrophoresis by Ag Nanorod Arrays
Nanotechnology, v. 25, (22), June 2014, article number 225502
Xiao, Chenyu; Cao, Zhen; Deng, Junhong; Huang, Zhifeng; Xu, Zheng; Fu, Junxue; Yobas, Levent

Conference paper 9

3D dielectrophoresis for effective cell manipulation through constrictions on a transparent substrate
The 6th International Symposium on Microchemistry and Microsystems (ISMM 2014), Singapore, 30 July - 1 August 2014
Xing, Xiaoxing; Yobas, Levent
A Novel Nanofluidic Diode Based on an Asymmetric Nanoslit Array for Label-Free Protein Detection
18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014. , 2014, p. 1978-1980
Liu, Yifan; Yobas, Levent
Cell and Molecule Separation in 3D Microdevices
The 6th International Symposium on Microchemistry and Microsystems (ISMM 2014), Singapore, 30 July - 1 August 2014
Yobas, Levent
Dielectrophoretic (DEP) Separation of Live/dead Cells on a Glass Slide Functionalized With Interdigitated 3D Silicon Ring Microelectrodes
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), 2014, article number 6765800, p. 951-954
Xing, Xiaoxing; Yobas, Levent
In vitro epithelial organoid generation induced by substrate nanotopography
International Symposium on Mechanobiology (ISMB 2014), Okayama University, Japan, 20-23 May 2014
Shen, Yusheng; Huang, Pingbo; Yobas, Levent
Induced Hydraulic Pumping on Microchips through Monolithic Integration of Self-enclosed Cylindrical Submicron Capillaries
6th International Symposium on Microchemistry and Microsystems, Singapore, 30 July - 1 August 2014
Cao, Zhen; Yobas, Levent
Microcapillary-coupled Flow-through AC Electroporation Microdevice
The 5th international conference on Advances in Microfluidics & Nanofluidics, Taipei, Taiwan, 2014
Luo, Yuan; Yobas, Levent
On-chip generation of monodispersed emulsions independent of surface wettability through a suspended glass micronozzle
The 2014 International Conference on Advances in Microfluidics and Nanofluidics, Academia Sinica, Taiwan, 21-23 May 2014
Liu, Yifan; Yobas, Levent
Silicon-based microsystems: from cells to molecules
The 25th Micromechanics and Microsystems Europe Workshop (MME 2014), Istanbul, Turkey, 31 August - 3 September 2014
Yobas, Levent


Expand All Collapse All


Article 6

Interdigitated 3-D Silicon Ring Microelectrodes for DEP-Based Particle Manipulation
Journal of Microelectromechanical Systems, v. 22, (2), April 2013, article number 6341027, p. 363-371
Xing, Xiaoxing; Zhang, Mengying; Yobas, Levent
Label-free electrical quantification of amplified nucleic acids through nanofluidic diodes
Biosensors and Bioelectronics, v. 50, December 2013, p. 78-83
Liu, Yifan; Yobas, Levent
Microchannel plate (MCP) functionalized with Ag nanorods as a high-porosity stable SERS-active membrane
Sensors and Actuators, B: Chemical, v. 184, 2013, p. 235-242
Zhang, Mengying; Cao, Zhen; Yobas, Levent
Microchannel plate as a novel bipolar electrode for high-performance enrichment of anions
Electrophoresis, v. 34, (14), July 2013, p. 1991-1997
Cao, Zhen; Yobas, Levent
Microsystems for cell-based electrophysiology
Journal of Micromechanics and Microengineering, v. 23, (8), August 2013, article number 083002
Yobas, Levent
Self-formed cylindrical microcapillaries through surface migration of silicon and their application to single-cell analysis
Journal of Micromechanics and Microengineering, v. 23, (5), May 2013, article number 055001
Zeng, Fan; Luo, Yuan; Yobas, Levent; Wong, Man

Conference paper 2

Fast DNA Sieving through Self-enclosed Submicron Glass Capillary Segments
17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013, v. 1, 2013, p. 557-559
Cao, Zhen; Yobas, Levent
Microfluidic Integration of Plasmonic Applications for Highly Sensitive Bioanalysis
17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013, v. 3, 2013, p. 1511-1513
Xiao, Chen Yu; Cao, Zhen; Huang, Zhi Feng; Xu, Zheng; Fu, Junxue; Yobas, Levent


Expand All Collapse All


Article 5

Cylindrical glass nanocapillaries patterned via coarse lithography (>1 μm) for biomicrofluidic applications
Biomicrofluidics, v.6, (4), 2012, Dec, article number 046502
Liu, Yifan; Yobas, Levent
Microcapillary-assisted dielectrophoresis for single-particle positioning
Lab on a chip, v. 12, (20), 2012, p. 4085-4092
Luo, Yuan; Cao, Xu; Huang, Pingbo; Yobas, Levent
Microchannel plate electro-osmotic pump
Microfluidics and nanofluidics, v.13, (2), 2012, Dec, p. 279-288
Cao, Zhen; Luo, Yuan; Liu, Yifan; Yao, Shuhuai; Yobas, Levent
Monolithic integration of fine cylindrical glass microcapillaries on silicon for electrophoretic separation of biomolecules
Biomicrofluidics, v. 6, (3), September 2012, article number 036501
Cao, Zhen; Ren, Kangning; Wu, Hongkai; Yobas, Levent
UV-illuminated dielectrophoresis by two-dimensional electron gas (2DEG) in AlGaN/GaN heterojunction
Physica status solidi. A, Applications and materials science, v. 209, (11), November 2012, p. 2223-2228
Fu, Junxue; Luo, Yuan; Yobas, Levent; Chen, Kevin J.

Conference paper 10

A novel fabrication method of microcapillaries via silicon surface migration and their application to single cell analysis
2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, Barcelona, Spain, 16-20 June 2013, p. 2377-2380
Luo, Yuan; Zeng, Fan; Yobas, Levent; Wong, Man
A novel fabrication method of microcapillaries via silicon surface migration and their application to single-cell impedance spectroscopy
The 5th International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China, 16-19 May 2013
Luo, Yuan; Zeng, Fan; Yobas, Levent; Wong, Man
A novel microcapillary-based dielectrophoresis for single cell positioning and analysis
The 4th International Symposium on Microchemistry and Microsystems (ISMM), Zhubei City, Hsinchu County, Taiwan, 2012
Luo, Yuan; Yobas, Levent
DEP-activated cell separation by Interdigitated 3-D Silicon Ring electrodes
The 4th International Conference on Advances in Microfluidics and Nanofluidics (AMN 2013), University of Notre Dame, IN, USA, 24-26 May 2013
Xing, Xiaoxing; Yobas, Levent
Interdigitated 3-D silicon ring electrodes for DEP-activated cell separation
International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China\16-19 May 2013
Xing, Xiaoxing; Yobas, Levent
Self-enclosed cylindrical glass nanocapillary array for DNA separation
The 4th International Conference on Advances in Microfluidics and Nanofluidics (AMN 2013), University of Notre Dame, IN, USA, 24-26 May 2013
Cao, Zhen; Yobas, Levent
Self-enclosed cylindrical submicron glass capillary array for DNA separation
The 5th International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China\16-19 May 2013
Cao, Zhen; Yobas, Levent
Self-sealed glass micro-capillaries for chip-based capillary electrophoresis
The 4th International Symposium on Microchemistry and Microsystems (ISMM2012), Zhubei City, Hsinchu County, Taiwan, 2012
Cao, Zhen; Luo, Yuan; Fu, Junxue; Ren, Kangning; Wu, Hongkai; Yobas, Levent
Stretching DNA in nanocapillaries fabricated through coarse (>1μm) lithography
International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China, 16-19 May 2013
Liu, Yifan; Yobas, Levent
The Effect of Asymmetry on Particle Focusing in Microchannels
Advanced materials research, v. 403, 2012, p. 482-485
Trabzon, Levent; Kizil, Huseyin; Yobas, Levent; Ozbey, Arzu; Yilmaz, Mustafa; Cengiz, Meral; Trabzon, Metin; Ordu, Mustafa; Kaygusuz, Nihat


Expand All Collapse All


Article 2

A 'microfluidic pinball' for on-chip generation of Layer-by-Layer polyelectrolyte microcapsules
Lab on a chip, v. 11, (6), 2011, p. 1030-1035
Kantak, Chaitanya; Beyer, Sebastian; Yobas, Levent; Bansal, Tushar; Trau, Dieter
Localized oblique-angle deposition: Ag nanorods on microstructured surfaces and their SERS characteristics
Nanotechnology, v. 22, (50), 2011
Fu, Junxue; Cao, Zhen; Yobas, Levent

Conference paper 3

A patch-clamp microdevice with dielectrophoretic (DEP) cell guidance
The 3rd International Symposium on Microchemistry and Microsystems (ISMM), Seoul, Korea, 2011
Luo, Yuan; Fu, Junxue; Yobas, Levent
Ag Nanorods Prepared by Localized Oblique Angle Deposition as SERS-active Substrate
The 2nd International Conference on Frontiers of Plasmonics (FOP2), Sichuan University, Chengdu, Sichuan, China
Fu, Junxue; Cao, Zhen; Yobas, Levent
Stealth Electrode Dielectrophoresis: Microspheres Manipulation by Patterned 2-Dimensional Electron Gas (2DEG) in AlGaN/GaN Heterostructures
ISMM 2011 in Conjunction with the KBCS Spring Meeting, Seoul, Korea, from June 2 to 4, 2011. Abstract: F3-056
Fu, Junxue; Yobas, Levent; Chen, Kevin J.


Expand All Collapse All


Article 2

Design and fabrication of Poly(dimethylsiloxane) arrayed waveguide grating
Optics express, v. 18, (21), October 2010, p. 21732-21742
Kee, Jack Sheng; Poenar, Daniel Puiu; Neuzil, Pavel; Yobas, Levent; Chen, Yu
Versatile label free biochip for the detection of circulating tumor cells from peripheral blood in cancer patients
Biosensors and Bioelectronics, v. 26, (4), 2010, p. 1701-1705
Tan, S.J.; Lakshmi, R.L.; Chen, P.; Lim, W.T.; Yobas, L.; Lim, C.T.


Expand All Collapse All


Article 7

A self-contained fully-enclosed microfluidic cartridge for lab-on-a-chip
Biomedical Microdevices, v. 11, (6), 2009, p. 1279-1288
Yobas, Levent; Cheow, L.F.; Tang, K.C.; Yong, S. -E; Ong, E.K.Z.; Wong, L.; Teo, W.; Ji, H.M.; Rafaeh, S.; Yu, C.
Design and fabrication of Poly(dimethylsiloxane) singlemode rib waveguide
Optics Express, v. 17, (14), 2009, p. 11739-11746
Sheng, J.K.; Poenar, D.P.; Neuzil, P.; Yobas, Levent
Microdevice for the isolation and enumeration of cancer cells from blood
Biomedical Microdevices, v. 11, (4), 2009, p. 883-892
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T.
Microdroplet formation of water and nanofluids in heat-induced microfluidic T-junction
Microfluid Nanofluid., v. 6, (2), 2009, p. 253-259
Murshed, S.M.S.; Tan, S.H.; Nguyen, N.T.; Wong, T.N.; Yobas, Levent
Preparation of a SERS substrate and its sampleloading method for point-of-use application
Nanotechnology, v. 20, (40), 2009, article number 405604
Fang, AOC; Agarwal, A.; Ji, H.; Karen, W.Y.; Yobas, Levent
The shape of a step structure as a design aspect to control droplet generation in microfluidics
J Micromech & Microeng, v. 20, (3), 2009, article number 035010
Sim, S.P.C.; Kang, T.G.; Yobas, Levent; Holtze, C.; Weitz, D.A.
Thermally mediated control of liquid microdroplets at a bifurcation
J. Phys. D: Appl. Phys., v. 42, (6), article number 065503
Yap, Y.F.; Tan, S.H.; Nguyen, N.T.; Murshed, S.M.S.; Wong, T.N.; Yobas, Levent

Conference paper 4

A silicon-based microchip with a standard 1536-well format for lateral patch-clamping
Proceedings of μTAS 2009, 13th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Jeju Korea, Novermber 1-5 2009
Reboud, J.; Kwok, J.L.; Peng, S.L.; Tang, K.C.; Yobas, Levent
Bioelectronics – The Next Wave
International Conference on Materials for Advanced Technologies (ICMAT), Singapore, 28 June – 3 July 2009, (Invited)
Yobas, Levent
Biomicrofluidics & Biosensors
The 13th International Conference on Biomedical Engineering, singapore, 3-6 December 2008, p. 96 (Invited)
Yobas, Levent
Generating droplets at a broad operating range through a flow-focusing geometry with a simple step profile
Proceedings of μTAS 2009, 13th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Jeju Korea, Novermber 1-5 2009
Kang, T.G.; Sim, S.P.C.; Yobas, Levent; Weitz, D.


Expand All Collapse All


Article 6

A disposable planar peristaltic pump for Lab-on-a-Chip
Lab Chip, v. 8, 2008, p. 660-662
Yobas, Levent; Tang, K.C.; Yong, S.E.; Ong, E.K.Z.
A procedure for the motion of particle-encapsulated droplets in microchannels
Numerical Heat Transfer Part B – Fundamentals, v. 53, (1), 2008, p. 59-74
Yap, Y.F.; Chai, J.C.; Wong, T.N.; Nguyen, N.T.; Toh, K.C.; Zhang, H.Y.; Yobas, Levent
Monolithic integration of Poly(dimethylsiloxane) waveguides and microfluidics for on-chip absorbance measurements
Sensors and Actuators, v. 134, (2), B 2009, p. 532-538
Sheng, J.K.; Poenar, D.P.; Neuzil, P.; Yobas, Levent
Self-sealed circular channels for micro-fluidics
Sensors and Actuators A (2008), v. 142, (1), March 10 2008 p. 80-87
Agarwal, A.; Ranganathan, N.; Ong, W.L.; Tang, K.C.; Yobas, Levent
Silicon-based microfilters for whole blood cell separation
Biomedical Microdevices, v. 10, (2), 2008, p. 251-257
Ji, H.M.; Samper, V.; Chen, Y.; Heng, C.K.; Lim, T.M.; Yobas, Levent
Thermally controlled droplet formation in flow focusing geometry: formation regimes and effect of nanoparticle suspension
J. Phys. D:Appl. Phys., v. 41, (16), 2008, acticel number 165501
Tan, S.H.; Murshed, S.M.S.; Nguyen, N.T.; Wong, T.N.; Yobas, Levent

Conference paper 7

A microfluidic device for continuous-flow layer-by-layer encapsulation of droplets with polyelectrolytes
Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences, San Diego California USA, October 12-16 2008, p. 1402-1404
Zhang, S.; Yobas, Levent; Trau, D.
Dengue RNA extraction in a fully enclosed self-contained lab-on-a-chip (LOC) cartridge
Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences, San Diego California USA, October 12-16 2008, p. 1099-1101
Yobas, Levent; Rafeah, S.; Li, Z.; Yong, S.E.; Ong, K.Z.; Lau, K.; Chow, V.T.K.; Heng, C.K.
Enumarating viable circulating tumor cells for cancer diagnostics
Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences San Diego California USA, October 12-16 2008, p. 1178-1180
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T.
Microdevice for isolating viable circulating tumor cells
Proceedings of International Conference on Biocomputation, Bioinformatics, and Biomedical Technologies, BIOTECHNO, June 29 – July 05 2008, p. 109-113
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T.
Microdevice for trapping circulating tumor cells for cancer diagnostics
The 13th International Conference on Biomedical Engineering, sinapore, December 3-6 2008, p.106
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T.
Nucleic acid sample preparation for dengue virus using a chip-based RNA extractor in a self-contained microsystem
The 13th International Conference on Biomedical Engineering, singapore, December 3-6 2008, p. 180
Li, Z.; Rafeah, S.R.M.; Xie, L.; Chew, M.B.R.; Premchandra, C.S.; Ji, H.M.; Chen, Y.; Yobas, Levent; Rajoo, R.; Ong, K.L.; Tan, R.; Lau, K.S.H.; Chow, V.T.K.; Heng, C.K.; Teo, K.H.
Patch-clamping in droplet arrays: Single cell positioning via dielectrophoresis
The 13th International Conference on Biomedical Engineering, singapore, December 3-6 2008, p.112
Reboud, J.; Luong, M.Q.; Rosales, C.; Yobas, Levent


Expand All Collapse All


Article 8

Digital Microfluidics: Droplet-based logic gates
Applied Physics Letters, v. 90, (5), January 29 2007, article number 054107
Cheow, L.F.; Yobas, Levent; Kwong, D.L.
Experimental and computational analysis of droplet formation in a high-performance flow-focusing geometry
Sensors and Actuators A (2007), v 138, (1), July 20 2007, p. 203-212
Ong, W.L.; Hua, J.; Zhang, B.; Teo, T.Y.; Zhio, J.; Nguyen, N.T.; Ranganathan, N.; Yobas, Levent
Microfluidic integration of substantially round glass capillaries for lateral patch clamping on chip
Lab Chip, v. 7, (10), 2007, p. 1357-1366
Ong, W.L.; Tang, K.C.; Agarwal, A.; Nagarajan, R.; Luo, L.W.; Yobas, Levent
Microfluidic systems for extracting nucleic acids for DNA and RNA analysis
Sensors and Actuators A (2007), v. 133, (2), February 12 2007, p. 335-339
Hui, W.C.; Yobas, Levent; Samper, V.D.; Heng, C.K.; Liw, S.; Ji, H.M.; Chen, Y.; Lin, C.; Li, J.; Lim, T.M.
Micromixing crowded biological agents by folding slugs through pillars
Sensors and Actuators B 2007, v. 128, (1), 2007, p. 340-348
Tang, K.C.; Wibowo, R.M.; Ghista, D.N.; Yobas, Levent
Nucleic acid extraction, amplification, and detection on Si-based microfluidic platforms
IEEE Journal of Solid-State Circuits (2007), v. 42, (8), Auguest 8 2007, p. 1803-1813
Yobas, Levent; Ji, H.; Hui, W.; Chen, Y.; Lim, TM; Heng, CK; Kwong,D-L
Rapid prototyping of microfluidic systems using a laser-patterned tape
J of Micromechanics and Microengineering, v. 17, (12), 2007, p. N107-N1111
Luo, L.W.; Teo, C.Y.; Ong, W.L.; Tang, K.C.; Cheow, L.F.; Yobas, Levent
Thermally mediated droplet formation in microchannels
Applied Physics Letters, v. 91, (8), 2007, article number 084102
Nguyen, N.T.; Ting, T.H.; Yap, Y.F.; Wong, T.N.; Chai, J.C.K.; Ong, W.L.; Zhou, J.; Tan, S.H.; Yobas, Levent

Conference paper 5

A disposable magnetic planar peristaltic pump for selfcontained lab-on-a-chip (LOC) cartridge
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 1, p. 685-687
Yobas, Levent; Cheow, L.F.; Tang, K.C.; Teo, C. -Y
Continuous-flow layer-by-layer encapsulation with polyelectrolytes through a microfluidic device
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 2, p. 1528-1530
Peng, K.Q.; Ong, W.L.; Yobas, Levent; Trau, D.
Heat-polishing integrated glass patch capillaries for enhanced gigaseals
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 1, p. 140-142
Ong, W.L.; Luo, L.W.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent
Multi-total internal reflection in polydimethylsiloxane microfluidics for enhanced absorbance detection
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 2, p. 1661-
Sheng, J.K.; Poenar, D.P.; Yobas, Levent
Thermal control of droplet size in microchanels
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol.2, p. 1562-1564
Nguyen, N.T.; Ting, T.H.; Yap, Y.F.; Wong, T.N.; Chai, J.C.K.; Ong, W.L.; Zhou, J.; Tan, S.H.; Yobas, Levent


Expand All Collapse All


Article 3

Buried microfluidic channel for integrated patch clamping assay
Applied Physics Letters, v. 89, (9), Augest 28 2006, article number 093902
Ong, W.L.; Kee, J.S.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent
High-performance flow-focusing geometry for spontaneous generation of monodispersed droplets
Lab Chip, v. 6, (8), Aug 2006, p. 1073-1079
Yobas, Levent; Martens, S.; Ong, W.L.; Ranganathan, N.
Thermally mediated breakup of drops in microchannels
Applied Physics Letters, v. 89, (23), 2006, article number 234101
Ting, T.H.; Yap, Y.F.; Nguyen, N.T.; Wong, T.N.; Chai, J.C.K.; Yobas, Levent

Conference paper 14

A missing factor in chip-based patch clamp assay: Gigaseal
Journal of Physics: Conference Series, 2006, p.187-191
Ong, W.L.; Yobas, Levent; Ong, W.Y.
Array of silicon lateral traps with highdensity self-sealing fluidic interconnects for cell-based assays
APCOT, Singapore, 2006
Ong, W.L.; Yang, W.; Ranganathan, N.; Tang, K.C.; Yobas, Levent
Evaluation of bonding between oxygen plasma treated polydimethyl siloxane and passivated silicon
Journal of Physics: Conference Series, 2006, p. 155-161
Tang, K.C.; Liao, E.; Ong, W.L.; Wong, J.D.S.; Agarwal, A.; Nagarajan, R.; Yobas, Levent
Fully circular self-sealed channels for microfluidics
Eurosensors XX, G?TEBORG, SWEDEN, 2006
Agarwal, A.; Ranganathan, N.; Ong, W.L.; Yobas, Levent
Fully-Round Buried Microchannels in Glass For Lateral Patch Clamping
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9, 2006 Vol. 1, pp. 434-436
Ong, W.L.; Kee, J.S.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent
High-Performance Droplet Generation Via Integrated 3-D Circular Constrictions
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1 p. 56-58
Ong, W.L.; Martens, S.; Ranganathan, N.; Yobas, Levent
Integrated Polydimethylsiloxane Waveguide for Optical Detection
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1, p. 732-734
Kee, J.S.; Poenar, D.P.; Yobas, Levent
Micro-Extraction of Viral Ribonucleic Acid (RNA)
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1 p. 317-319
Yobas, Levent; Ji, H.M.; Chen, Y.; Liw, S.; Hui, W.C.; Rafeah, S.; Chong, S.C.; Xie, L.; Jing, L.J.; Wong, S.M.; Lim, T.M.; Heng, C.K.
Microfluidic sample preparation for nucleic acid analysis
Design, Automation, and Test in Europe, ICM, MESSE Munich Germany, March 6-10, 2006
Samper, V.; Hui, W.C.; Hongmiao, J.; Yobas, Levent; Yu, C.; Heng, C.K.; Lim, T.M.
Micromixing Biologically Crowded Agents By Folding Plugs Through Pillars
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1, p. 600-603
Tang, K.C.; Wibowo, R.M.; Yobas, Levent
Nucleic acid extraction, amplification, and detection on Si-based microfluidic platforms
IEEE Custom Integrated Circuits Conferencet, San Jose California USA, 2006, p. 465-472 (Invited Talk)
Yobas, Levent; Ji, H.; Hui, W.; Chen, Y.; Lim, TM; Heng, CK; Kwong,D-L
Particle flow characterization for a microfluidic device for cell-based assay
Electronics Packaging Technology Conference EPTC '06, December 8 2006, p. 454 – 461
Teo, C.Y.; Ong, W.L.; Zhang, H.Y.; Yobas, Levent
Self-sealing fluidic interconnects for high-density cellbased assays
APCOT, Singapore, 2006
Ong, W.; Tang, K.C.; Ranganathan, N.; Yobas, Levent
Silicon-Based Microfilters for Whole Blood Cell Separation
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9, 2006, Vol. 1 p. 323-325
Ji, H.M.; Samper, V.; Yobas, Levent; Chen, Y.; Heng, C.K.; Lim, T.M.


Expand All Collapse All


Article 1

Precise Profile Control of 3-D Lateral Junction Traps by 2-D Mask Layout and Isotropic Etching
J of Micromechanics and Microengineering, v. 15, 2005, p. 386-393
Yobas, Levent; Sharma, R.K.; Nagarajan, R.; Samper, V.; Naidu, P. d/o S.R.

Conference paper 4

Disposable Polydimethylsiloxane Package for Bio-Microfluidic System
55th Electronic Components and Technology Conference (ECTC), Lake Buena Vista FL USA, May 31 – June 5 2005, p. 617-621
Choong, S.C.; Xie, L.; Yobas, Levent; Ji, H.M.; Li, J.; Chen, Y.; Damaruganath, P.; Hui, W.C.; Iyer, M. K,
Microfluidic Chip for Viral RNA Extraction & Detection
IEEE Sensors 2005, The 4th IEEE Conference on Sensors, Irvine CA USA, October 31- Nov 3 2005, Vols. 1 & 2, p. 49-52
Yobas, Levent; Heng, C.K.; Hui, W.C.; Ji, H.M.; Chen, Y.; Lye, H.J.; Bte, S.R.; Liw, S.; Li, J.; Choong, C.S.; Xie, L.; Lim, T.M.
Microfluidic System for Extracting Nucleic Acids – From DNA to RNA
ICMAT 2005, 3rd International Conference on Materials for Advanced Technologies, Singapore, July 3-8 2005
Hui, W.C.; Yobas, Levent; Samper, V.; Heng, C.K.; Liw, S.; Ji, H.M.; Chen, Y.; Lin, C.; Li, J.; Lim, T.M.
Selfforming Lateral Apertures in Silicon Microchannels for Patch Clamping
Proceedings of μTAS 2005, 9th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Boston MA USA, October 9-13 2005, Vol. 2 p. 933-935
Yobas, Levent; Zhao, L.; Zhu, J.; Kumar, R.S.; Nagarajan, R.; Liw, S.S.; Hui, W.C.; Lim, T.M.; Sheu, F.S.


Expand All Collapse All


Conference paper 3

A Flow-Through Shear-Type Microfilter Chip For Separating Plasma and Virus Particles from Whole Blood
Proceedings of μTAS 2004, 8th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Malmo Sweden, September 26-30 2004, Vol. 2 p. 7-9
Yobas, Levent; Gui,E-L; Ji, H.; Li, J.; Chen, Y.; Hui,W-C; Rafe, S.; Swarup, S.; Wong,S-M; Lim,T-M; Heng,C-K
Fabricating Submicron Microfluidic Filter without Submicron Etching
International Conference on Electrical Engineering (APCOT), July 4-82004, Vol. 3-1 p. 409-412
Li, J.; Chen, Y.; Yobas, Levent; Ji, H.M.; Hui, W.C.
From R&D to Industrial Applications: The MEMS R&D Activities in Singapore
10th Micromachine Summit, Grenoble France, May 3-5 2004
Wang, Z.; Yobas, Levent


Expand All Collapse All


Article 1

A novel integrable microvalve for refreshable Braille display system
Journal of Microelectromechanical Systems, v. 12, June 2003, p. 252-263
Yobas, Levent; Durand, D.M.; Skebe, Gerard G.; Lisy, F.J.; Huff, M.A.


Expand All Collapse All


Article 1

A novel bulk-micromachined electrostatic microvalve with a curved-compliant structure applicable for a pneumatic tactile display
Microelectromechanical Systems, v. 10, June 2001, p. 187-196
Yobas, Levent; Huff, M.A.; Lisy, F.J.; Durand, D.M.


Expand All Collapse All


Conference paper 2

A Pneumatically Actuated Tactile Display Unit Utilizing MEMS Microvalves
Annals of Biomedical Engineering, Vol. 26, Supplement 1, RE. 13, S-131, Biomedical Engineering Society 1998 Annual Fall Meeting, October 10-13, 1998
Yobas, Levent; Lisy, F.J.; Schmidt, R.N.; Huff, M.A.
Electrostatically Actuated MEMS Microvalve Suitable for Pneumatically Actuated Refreshable Braille-Display-System
ASME Summer Bioengineering Conference, June 16-20 1999
Yobas, Levent; Carver, B.R.; Lisy, F.J.; Huff, M.A.


Expand All Collapse All


2016 9

Continuous-Flow Electrokinetic-Assisted Plasmapheresis by Using Three-Dimensional Microelectrodes Featuring Sidewall Undercuts
Analytical Chemistry, v. 88, (10), May 2016, p. 5197-5204
Xing, Xiaoxing; He, Minghao; Qiu, Huihe; Yobas, Levent Article
Pressure-Driven Chromatographic Separation Modes in Self Enclosed Integrated Nanocapillaries
Analytical Chemistry, v. 88, (23), December 2016, p. 11601-11608
Duan, Lian; Cao, Zhen; Yobas, Levent Article
Slowing DNA Translocation in a Nanofluidic Field-Effect Transistor
ACS Nano, v. 10, (4), April 2016, p. 3985-3994
Liu, Yifan; Yobas, Levent Article
Two-dimensional Hydrodynamic Flow Focusing in a Microfluidic Platform Featuring a Monolithic Integrated Glass Micronozzle
Applied Physics Letters, v. 109, (14), October 2016, article number 144101
Liu, Yifan; Shen, Yusheng; Duan, Lian; Yobas, Levent Article
A Single-Cell Impedance Flow Cytometry Microsystem Based On 3D Silicon Microelectrodes
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), 2016, article number 7421737, p. 749-752
Xing, Xiaoxing; Yobas, Levent Conference paper
Continuous-Flow Biomolecule Separation Through a 2D Periodic Array Based on a Glass Capillary-Well Motif
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 1459-1460
Duan, Lian; Yobas, Levent Conference paper
Pressure Driven Liquid Chromatography in Self-Enclosed Glass Microcapillaries Integrated on Silicon
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v. 2016-February, February 2016, article number 7421745, p. 780-783
Duan, Lian; Cao, Zhen; Yobas, Levent Conference paper
Protein Purification and Separation Using Integrated Glass Nanocapillaries Under Pressure-Driven Conditions
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 1428-1429
Duan, Lian; Yobas, Levent Conference paper
Scrape-Loading Assisted Intracellular Delivery via Microconstriction Featuring A Sharp Edge
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 325-326
Pan, Yueyue; Xing, Xiaoxing; Duan, Lian; Yobas, Levent Conference paper

2015 10

Dielectrophoretic isolation of cells using 3D microelectrodes featuring castellated blocks
Analyst, v. 140, (10), May 2015, p. 3397-3405
Xing, Xiaoxing; Yobas, Levent Article
Gel-Free Electrophoresis of DNA and Proteins on Chips Featuring a 70 nm Capillary-Well Motif
ACS Nano, v. 9, (1), January 2015, p. 427-435
Cao, Zhen; Yobas, Levent Article
In vitro epithelial organoid generation induced by substrate nanotopography
Scientific Reports, v.5, March 2015, article number 9293
Shen, Yusheng; Hou, Youmin; Yao, Shuhuai; Huang, Pingbo; Yobas, Levent Article
Microfluidic emulsification through a monolithic integrated glass micronozzle suspended inside a flow-focusing geometry
Applied Physics Letters, v. 106, (17), April 2015, article number 174101
Liu, Yifan; Yobas, Levent Article
Microfluidics and bioMEMS in silicon
Handbook of Silicon Based MEMS Materials and Technologies: Micro and Nano Technologies / Edited by Markku Tilli, Teruaki Motooka, Veli-Matti Airaksinen, Sami Franssila, Mervi Paulasto-Kr?ckel, Veikko Lindroos. Netherlands : Elsevie, 2015, p. 565-581, Ch. 27
Franssila, Sami; Davis, Christina; Levasseur, Michael; Cao, Zhen; Yobas, Levent Book chapter
3D Silicon Electrodes with Built-in Glass Capillaries for Dielectrophoretic Single-Cell Positioning and Analysis
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, Institute of Electrical and Electronics Engineers ( IEEE ), 2015, p. 540-543
Luo, Y.; Yobas, Levent Conference paper
Continuous-flow dielectrophoretic sorting of particles via 3D silicon electrodes featuring castellated sidewalls
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), January 2015, article number 7051003, p. 508-511
Xing, Xiaoxing; Yoba?, Levent Conference paper
High Performance Sieving of Biomolecules in a Capillary-Well Motif
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 452-455
Cao, Zhen; Yobas, Levent Conference paper
Mechanical Characterization of Microengineered Epithelial Cysts Using Atomic Force Microscopy
MicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences, 2015, p. 173-175
Shen, Yusheng; Guan, Dongshi; Serien, Daniela; Takeuchi, Shoji; Tong, Penger; Huang, Pingbo; Yobas, Levent Conference paper
Monolithic Integrated Glass Micronozzle Emitters on Silicon for Nano-electrospray Ionization Mass Spectrometry
MicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2015, Chemical and Biological Microsystems Society, 2015, p. 1749-1751
Duan, Lian; Liu, Yifan; Yobas, Levent Conference paper

2014 16

Fast DNA Sieving through Submicrometer Cylindrical Glass Capillary Matrix
Analytical Chemistry, v. 86, (1), January 2014, p. 737-743
Cao, Zhen; Yobas, Levent Article
Flow-through electroporation of mammalian cells in decoupled flow streams using microcapillaries
Biomicrofluidics, v. 8, (5), 2014, article number 052101
Luo, Yuan; Yobas, Levent Article
Forces acting on a particle in a concentration gradient under an externally applied oscillating electric field
Applied Physics Letters, v. 105, (9), September 2014, article number 094105
Luo, Yuan; Yobas, Levent Article
Induced hydraulic pumping via integrated submicrometer cylindrical glass capillaries
Electrophoresis, v. 35, (16), 2014, p. 2353-2360
Cao, Zhen; Yobas, Levent Article
Label-free enumeration of colorectal cancer cells from lymphocytes performed at a high cell-loading density by using interdigitated ring-array microelectrodes
Biosensors and Bioelectronics, v. 61, November 2014, p. 434-442
Xing, Xiaoxing; Poon, Randy Yat Choi; Wong, Cesar; Yobas, Levent Article
Label-Free Specific Detection of Femtomolar Cardiac Troponin Using an Integrated Nanoslit Array Fluidic Diode
Nano Letters, v. 14, (12), December 2014, p. 6983-6990
Liu, Yifan; Yobas, Levent Article
Microfluidic-based Metal Enhanced Fluorescence for Capillary Electrophoresis by Ag Nanorod Arrays
Nanotechnology, v. 25, (22), June 2014, article number 225502
Xiao, Chenyu; Cao, Zhen; Deng, Junhong; Huang, Zhifeng; Xu, Zheng; Fu, Junxue; Yobas, Levent Article
3D dielectrophoresis for effective cell manipulation through constrictions on a transparent substrate
The 6th International Symposium on Microchemistry and Microsystems (ISMM 2014), Singapore, 30 July - 1 August 2014
Xing, Xiaoxing; Yobas, Levent Conference paper
A Novel Nanofluidic Diode Based on an Asymmetric Nanoslit Array for Label-Free Protein Detection
18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014. , 2014, p. 1978-1980
Liu, Yifan; Yobas, Levent Conference paper
Cell and Molecule Separation in 3D Microdevices
The 6th International Symposium on Microchemistry and Microsystems (ISMM 2014), Singapore, 30 July - 1 August 2014
Yobas, Levent Conference paper
Dielectrophoretic (DEP) Separation of Live/dead Cells on a Glass Slide Functionalized With Interdigitated 3D Silicon Ring Microelectrodes
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), 2014, article number 6765800, p. 951-954
Xing, Xiaoxing; Yobas, Levent Conference paper
In vitro epithelial organoid generation induced by substrate nanotopography
International Symposium on Mechanobiology (ISMB 2014), Okayama University, Japan, 20-23 May 2014
Shen, Yusheng; Huang, Pingbo; Yobas, Levent Conference paper
Induced Hydraulic Pumping on Microchips through Monolithic Integration of Self-enclosed Cylindrical Submicron Capillaries
6th International Symposium on Microchemistry and Microsystems, Singapore, 30 July - 1 August 2014
Cao, Zhen; Yobas, Levent Conference paper
Microcapillary-coupled Flow-through AC Electroporation Microdevice
The 5th international conference on Advances in Microfluidics & Nanofluidics, Taipei, Taiwan, 2014
Luo, Yuan; Yobas, Levent Conference paper
On-chip generation of monodispersed emulsions independent of surface wettability through a suspended glass micronozzle
The 2014 International Conference on Advances in Microfluidics and Nanofluidics, Academia Sinica, Taiwan, 21-23 May 2014
Liu, Yifan; Yobas, Levent Conference paper
Silicon-based microsystems: from cells to molecules
The 25th Micromechanics and Microsystems Europe Workshop (MME 2014), Istanbul, Turkey, 31 August - 3 September 2014
Yobas, Levent Conference paper

2013 8

Interdigitated 3-D Silicon Ring Microelectrodes for DEP-Based Particle Manipulation
Journal of Microelectromechanical Systems, v. 22, (2), April 2013, article number 6341027, p. 363-371
Xing, Xiaoxing; Zhang, Mengying; Yobas, Levent Article
Label-free electrical quantification of amplified nucleic acids through nanofluidic diodes
Biosensors and Bioelectronics, v. 50, December 2013, p. 78-83
Liu, Yifan; Yobas, Levent Article
Microchannel plate (MCP) functionalized with Ag nanorods as a high-porosity stable SERS-active membrane
Sensors and Actuators, B: Chemical, v. 184, 2013, p. 235-242
Zhang, Mengying; Cao, Zhen; Yobas, Levent Article
Microchannel plate as a novel bipolar electrode for high-performance enrichment of anions
Electrophoresis, v. 34, (14), July 2013, p. 1991-1997
Cao, Zhen; Yobas, Levent Article
Microsystems for cell-based electrophysiology
Journal of Micromechanics and Microengineering, v. 23, (8), August 2013, article number 083002
Yobas, Levent Article
Self-formed cylindrical microcapillaries through surface migration of silicon and their application to single-cell analysis
Journal of Micromechanics and Microengineering, v. 23, (5), May 2013, article number 055001
Zeng, Fan; Luo, Yuan; Yobas, Levent; Wong, Man Article
Fast DNA Sieving through Self-enclosed Submicron Glass Capillary Segments
17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013, v. 1, 2013, p. 557-559
Cao, Zhen; Yobas, Levent Conference paper
Microfluidic Integration of Plasmonic Applications for Highly Sensitive Bioanalysis
17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013, v. 3, 2013, p. 1511-1513
Xiao, Chen Yu; Cao, Zhen; Huang, Zhi Feng; Xu, Zheng; Fu, Junxue; Yobas, Levent Conference paper

2012 15

Cylindrical glass nanocapillaries patterned via coarse lithography (>1 μm) for biomicrofluidic applications
Biomicrofluidics, v.6, (4), 2012, Dec, article number 046502
Liu, Yifan; Yobas, Levent Article
Microcapillary-assisted dielectrophoresis for single-particle positioning
Lab on a chip, v. 12, (20), 2012, p. 4085-4092
Luo, Yuan; Cao, Xu; Huang, Pingbo; Yobas, Levent Article
Microchannel plate electro-osmotic pump
Microfluidics and nanofluidics, v.13, (2), 2012, Dec, p. 279-288
Cao, Zhen; Luo, Yuan; Liu, Yifan; Yao, Shuhuai; Yobas, Levent Article
Monolithic integration of fine cylindrical glass microcapillaries on silicon for electrophoretic separation of biomolecules
Biomicrofluidics, v. 6, (3), September 2012, article number 036501
Cao, Zhen; Ren, Kangning; Wu, Hongkai; Yobas, Levent Article
UV-illuminated dielectrophoresis by two-dimensional electron gas (2DEG) in AlGaN/GaN heterojunction
Physica status solidi. A, Applications and materials science, v. 209, (11), November 2012, p. 2223-2228
Fu, Junxue; Luo, Yuan; Yobas, Levent; Chen, Kevin J. Article
A novel fabrication method of microcapillaries via silicon surface migration and their application to single cell analysis
2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, Barcelona, Spain, 16-20 June 2013, p. 2377-2380
Luo, Yuan; Zeng, Fan; Yobas, Levent; Wong, Man Conference paper
A novel fabrication method of microcapillaries via silicon surface migration and their application to single-cell impedance spectroscopy
The 5th International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China, 16-19 May 2013
Luo, Yuan; Zeng, Fan; Yobas, Levent; Wong, Man Conference paper
A novel microcapillary-based dielectrophoresis for single cell positioning and analysis
The 4th International Symposium on Microchemistry and Microsystems (ISMM), Zhubei City, Hsinchu County, Taiwan, 2012
Luo, Yuan; Yobas, Levent Conference paper
DEP-activated cell separation by Interdigitated 3-D Silicon Ring electrodes
The 4th International Conference on Advances in Microfluidics and Nanofluidics (AMN 2013), University of Notre Dame, IN, USA, 24-26 May 2013
Xing, Xiaoxing; Yobas, Levent Conference paper
Interdigitated 3-D silicon ring electrodes for DEP-activated cell separation
International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China\16-19 May 2013
Xing, Xiaoxing; Yobas, Levent Conference paper
Self-enclosed cylindrical glass nanocapillary array for DNA separation
The 4th International Conference on Advances in Microfluidics and Nanofluidics (AMN 2013), University of Notre Dame, IN, USA, 24-26 May 2013
Cao, Zhen; Yobas, Levent Conference paper
Self-enclosed cylindrical submicron glass capillary array for DNA separation
The 5th International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China\16-19 May 2013
Cao, Zhen; Yobas, Levent Conference paper
Self-sealed glass micro-capillaries for chip-based capillary electrophoresis
The 4th International Symposium on Microchemistry and Microsystems (ISMM2012), Zhubei City, Hsinchu County, Taiwan, 2012
Cao, Zhen; Luo, Yuan; Fu, Junxue; Ren, Kangning; Wu, Hongkai; Yobas, Levent Conference paper
Stretching DNA in nanocapillaries fabricated through coarse (>1μm) lithography
International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China, 16-19 May 2013
Liu, Yifan; Yobas, Levent Conference paper
The Effect of Asymmetry on Particle Focusing in Microchannels
Advanced materials research, v. 403, 2012, p. 482-485
Trabzon, Levent; Kizil, Huseyin; Yobas, Levent; Ozbey, Arzu; Yilmaz, Mustafa; Cengiz, Meral; Trabzon, Metin; Ordu, Mustafa; Kaygusuz, Nihat Conference paper

2011 5

A 'microfluidic pinball' for on-chip generation of Layer-by-Layer polyelectrolyte microcapsules
Lab on a chip, v. 11, (6), 2011, p. 1030-1035
Kantak, Chaitanya; Beyer, Sebastian; Yobas, Levent; Bansal, Tushar; Trau, Dieter Article
Localized oblique-angle deposition: Ag nanorods on microstructured surfaces and their SERS characteristics
Nanotechnology, v. 22, (50), 2011
Fu, Junxue; Cao, Zhen; Yobas, Levent Article
A patch-clamp microdevice with dielectrophoretic (DEP) cell guidance
The 3rd International Symposium on Microchemistry and Microsystems (ISMM), Seoul, Korea, 2011
Luo, Yuan; Fu, Junxue; Yobas, Levent Conference paper
Ag Nanorods Prepared by Localized Oblique Angle Deposition as SERS-active Substrate
The 2nd International Conference on Frontiers of Plasmonics (FOP2), Sichuan University, Chengdu, Sichuan, China
Fu, Junxue; Cao, Zhen; Yobas, Levent Conference paper
Stealth Electrode Dielectrophoresis: Microspheres Manipulation by Patterned 2-Dimensional Electron Gas (2DEG) in AlGaN/GaN Heterostructures
ISMM 2011 in Conjunction with the KBCS Spring Meeting, Seoul, Korea, from June 2 to 4, 2011. Abstract: F3-056
Fu, Junxue; Yobas, Levent; Chen, Kevin J. Conference paper

2010 2

Design and fabrication of Poly(dimethylsiloxane) arrayed waveguide grating
Optics express, v. 18, (21), October 2010, p. 21732-21742
Kee, Jack Sheng; Poenar, Daniel Puiu; Neuzil, Pavel; Yobas, Levent; Chen, Yu Article
Versatile label free biochip for the detection of circulating tumor cells from peripheral blood in cancer patients
Biosensors and Bioelectronics, v. 26, (4), 2010, p. 1701-1705
Tan, S.J.; Lakshmi, R.L.; Chen, P.; Lim, W.T.; Yobas, L.; Lim, C.T. Article

2009 11

A self-contained fully-enclosed microfluidic cartridge for lab-on-a-chip
Biomedical Microdevices, v. 11, (6), 2009, p. 1279-1288
Yobas, Levent; Cheow, L.F.; Tang, K.C.; Yong, S. -E; Ong, E.K.Z.; Wong, L.; Teo, W.; Ji, H.M.; Rafaeh, S.; Yu, C. Article
Design and fabrication of Poly(dimethylsiloxane) singlemode rib waveguide
Optics Express, v. 17, (14), 2009, p. 11739-11746
Sheng, J.K.; Poenar, D.P.; Neuzil, P.; Yobas, Levent Article
Microdevice for the isolation and enumeration of cancer cells from blood
Biomedical Microdevices, v. 11, (4), 2009, p. 883-892
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T. Article
Microdroplet formation of water and nanofluids in heat-induced microfluidic T-junction
Microfluid Nanofluid., v. 6, (2), 2009, p. 253-259
Murshed, S.M.S.; Tan, S.H.; Nguyen, N.T.; Wong, T.N.; Yobas, Levent Article
Preparation of a SERS substrate and its sampleloading method for point-of-use application
Nanotechnology, v. 20, (40), 2009, article number 405604
Fang, AOC; Agarwal, A.; Ji, H.; Karen, W.Y.; Yobas, Levent Article
The shape of a step structure as a design aspect to control droplet generation in microfluidics
J Micromech & Microeng, v. 20, (3), 2009, article number 035010
Sim, S.P.C.; Kang, T.G.; Yobas, Levent; Holtze, C.; Weitz, D.A. Article
Thermally mediated control of liquid microdroplets at a bifurcation
J. Phys. D: Appl. Phys., v. 42, (6), article number 065503
Yap, Y.F.; Tan, S.H.; Nguyen, N.T.; Murshed, S.M.S.; Wong, T.N.; Yobas, Levent Article
A silicon-based microchip with a standard 1536-well format for lateral patch-clamping
Proceedings of μTAS 2009, 13th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Jeju Korea, Novermber 1-5 2009
Reboud, J.; Kwok, J.L.; Peng, S.L.; Tang, K.C.; Yobas, Levent Conference paper
Bioelectronics – The Next Wave
International Conference on Materials for Advanced Technologies (ICMAT), Singapore, 28 June – 3 July 2009, (Invited)
Yobas, Levent Conference paper
Biomicrofluidics & Biosensors
The 13th International Conference on Biomedical Engineering, singapore, 3-6 December 2008, p. 96 (Invited)
Yobas, Levent Conference paper
Generating droplets at a broad operating range through a flow-focusing geometry with a simple step profile
Proceedings of μTAS 2009, 13th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Jeju Korea, Novermber 1-5 2009
Kang, T.G.; Sim, S.P.C.; Yobas, Levent; Weitz, D. Conference paper

2008 13

A disposable planar peristaltic pump for Lab-on-a-Chip
Lab Chip, v. 8, 2008, p. 660-662
Yobas, Levent; Tang, K.C.; Yong, S.E.; Ong, E.K.Z. Article
A procedure for the motion of particle-encapsulated droplets in microchannels
Numerical Heat Transfer Part B – Fundamentals, v. 53, (1), 2008, p. 59-74
Yap, Y.F.; Chai, J.C.; Wong, T.N.; Nguyen, N.T.; Toh, K.C.; Zhang, H.Y.; Yobas, Levent Article
Monolithic integration of Poly(dimethylsiloxane) waveguides and microfluidics for on-chip absorbance measurements
Sensors and Actuators, v. 134, (2), B 2009, p. 532-538
Sheng, J.K.; Poenar, D.P.; Neuzil, P.; Yobas, Levent Article
Self-sealed circular channels for micro-fluidics
Sensors and Actuators A (2008), v. 142, (1), March 10 2008 p. 80-87
Agarwal, A.; Ranganathan, N.; Ong, W.L.; Tang, K.C.; Yobas, Levent Article
Silicon-based microfilters for whole blood cell separation
Biomedical Microdevices, v. 10, (2), 2008, p. 251-257
Ji, H.M.; Samper, V.; Chen, Y.; Heng, C.K.; Lim, T.M.; Yobas, Levent Article
Thermally controlled droplet formation in flow focusing geometry: formation regimes and effect of nanoparticle suspension
J. Phys. D:Appl. Phys., v. 41, (16), 2008, acticel number 165501
Tan, S.H.; Murshed, S.M.S.; Nguyen, N.T.; Wong, T.N.; Yobas, Levent Article
A microfluidic device for continuous-flow layer-by-layer encapsulation of droplets with polyelectrolytes
Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences, San Diego California USA, October 12-16 2008, p. 1402-1404
Zhang, S.; Yobas, Levent; Trau, D. Conference paper
Dengue RNA extraction in a fully enclosed self-contained lab-on-a-chip (LOC) cartridge
Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences, San Diego California USA, October 12-16 2008, p. 1099-1101
Yobas, Levent; Rafeah, S.; Li, Z.; Yong, S.E.; Ong, K.Z.; Lau, K.; Chow, V.T.K.; Heng, C.K. Conference paper
Enumarating viable circulating tumor cells for cancer diagnostics
Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences San Diego California USA, October 12-16 2008, p. 1178-1180
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T. Conference paper
Microdevice for isolating viable circulating tumor cells
Proceedings of International Conference on Biocomputation, Bioinformatics, and Biomedical Technologies, BIOTECHNO, June 29 – July 05 2008, p. 109-113
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T. Conference paper
Microdevice for trapping circulating tumor cells for cancer diagnostics
The 13th International Conference on Biomedical Engineering, sinapore, December 3-6 2008, p.106
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T. Conference paper
Nucleic acid sample preparation for dengue virus using a chip-based RNA extractor in a self-contained microsystem
The 13th International Conference on Biomedical Engineering, singapore, December 3-6 2008, p. 180
Li, Z.; Rafeah, S.R.M.; Xie, L.; Chew, M.B.R.; Premchandra, C.S.; Ji, H.M.; Chen, Y.; Yobas, Levent; Rajoo, R.; Ong, K.L.; Tan, R.; Lau, K.S.H.; Chow, V.T.K.; Heng, C.K.; Teo, K.H. Conference paper
Patch-clamping in droplet arrays: Single cell positioning via dielectrophoresis
The 13th International Conference on Biomedical Engineering, singapore, December 3-6 2008, p.112
Reboud, J.; Luong, M.Q.; Rosales, C.; Yobas, Levent Conference paper

2007 13

Digital Microfluidics: Droplet-based logic gates
Applied Physics Letters, v. 90, (5), January 29 2007, article number 054107
Cheow, L.F.; Yobas, Levent; Kwong, D.L. Article
Experimental and computational analysis of droplet formation in a high-performance flow-focusing geometry
Sensors and Actuators A (2007), v 138, (1), July 20 2007, p. 203-212
Ong, W.L.; Hua, J.; Zhang, B.; Teo, T.Y.; Zhio, J.; Nguyen, N.T.; Ranganathan, N.; Yobas, Levent Article
Microfluidic integration of substantially round glass capillaries for lateral patch clamping on chip
Lab Chip, v. 7, (10), 2007, p. 1357-1366
Ong, W.L.; Tang, K.C.; Agarwal, A.; Nagarajan, R.; Luo, L.W.; Yobas, Levent Article
Microfluidic systems for extracting nucleic acids for DNA and RNA analysis
Sensors and Actuators A (2007), v. 133, (2), February 12 2007, p. 335-339
Hui, W.C.; Yobas, Levent; Samper, V.D.; Heng, C.K.; Liw, S.; Ji, H.M.; Chen, Y.; Lin, C.; Li, J.; Lim, T.M. Article
Micromixing crowded biological agents by folding slugs through pillars
Sensors and Actuators B 2007, v. 128, (1), 2007, p. 340-348
Tang, K.C.; Wibowo, R.M.; Ghista, D.N.; Yobas, Levent Article
Nucleic acid extraction, amplification, and detection on Si-based microfluidic platforms
IEEE Journal of Solid-State Circuits (2007), v. 42, (8), Auguest 8 2007, p. 1803-1813
Yobas, Levent; Ji, H.; Hui, W.; Chen, Y.; Lim, TM; Heng, CK; Kwong,D-L Article
Rapid prototyping of microfluidic systems using a laser-patterned tape
J of Micromechanics and Microengineering, v. 17, (12), 2007, p. N107-N1111
Luo, L.W.; Teo, C.Y.; Ong, W.L.; Tang, K.C.; Cheow, L.F.; Yobas, Levent Article
Thermally mediated droplet formation in microchannels
Applied Physics Letters, v. 91, (8), 2007, article number 084102
Nguyen, N.T.; Ting, T.H.; Yap, Y.F.; Wong, T.N.; Chai, J.C.K.; Ong, W.L.; Zhou, J.; Tan, S.H.; Yobas, Levent Article
A disposable magnetic planar peristaltic pump for selfcontained lab-on-a-chip (LOC) cartridge
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 1, p. 685-687
Yobas, Levent; Cheow, L.F.; Tang, K.C.; Teo, C. -Y Conference paper
Continuous-flow layer-by-layer encapsulation with polyelectrolytes through a microfluidic device
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 2, p. 1528-1530
Peng, K.Q.; Ong, W.L.; Yobas, Levent; Trau, D. Conference paper
Heat-polishing integrated glass patch capillaries for enhanced gigaseals
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 1, p. 140-142
Ong, W.L.; Luo, L.W.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent Conference paper
Multi-total internal reflection in polydimethylsiloxane microfluidics for enhanced absorbance detection
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 2, p. 1661-
Sheng, J.K.; Poenar, D.P.; Yobas, Levent Conference paper
Thermal control of droplet size in microchanels
Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol.2, p. 1562-1564
Nguyen, N.T.; Ting, T.H.; Yap, Y.F.; Wong, T.N.; Chai, J.C.K.; Ong, W.L.; Zhou, J.; Tan, S.H.; Yobas, Levent Conference paper

2006 17

Buried microfluidic channel for integrated patch clamping assay
Applied Physics Letters, v. 89, (9), Augest 28 2006, article number 093902
Ong, W.L.; Kee, J.S.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent Article
High-performance flow-focusing geometry for spontaneous generation of monodispersed droplets
Lab Chip, v. 6, (8), Aug 2006, p. 1073-1079
Yobas, Levent; Martens, S.; Ong, W.L.; Ranganathan, N. Article
Thermally mediated breakup of drops in microchannels
Applied Physics Letters, v. 89, (23), 2006, article number 234101
Ting, T.H.; Yap, Y.F.; Nguyen, N.T.; Wong, T.N.; Chai, J.C.K.; Yobas, Levent Article
A missing factor in chip-based patch clamp assay: Gigaseal
Journal of Physics: Conference Series, 2006, p.187-191
Ong, W.L.; Yobas, Levent; Ong, W.Y. Conference paper
Array of silicon lateral traps with highdensity self-sealing fluidic interconnects for cell-based assays
APCOT, Singapore, 2006
Ong, W.L.; Yang, W.; Ranganathan, N.; Tang, K.C.; Yobas, Levent Conference paper
Evaluation of bonding between oxygen plasma treated polydimethyl siloxane and passivated silicon
Journal of Physics: Conference Series, 2006, p. 155-161
Tang, K.C.; Liao, E.; Ong, W.L.; Wong, J.D.S.; Agarwal, A.; Nagarajan, R.; Yobas, Levent Conference paper
Fully circular self-sealed channels for microfluidics
Eurosensors XX, G?TEBORG, SWEDEN, 2006
Agarwal, A.; Ranganathan, N.; Ong, W.L.; Yobas, Levent Conference paper
Fully-Round Buried Microchannels in Glass For Lateral Patch Clamping
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9, 2006 Vol. 1, pp. 434-436
Ong, W.L.; Kee, J.S.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent Conference paper
High-Performance Droplet Generation Via Integrated 3-D Circular Constrictions
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1 p. 56-58
Ong, W.L.; Martens, S.; Ranganathan, N.; Yobas, Levent Conference paper
Integrated Polydimethylsiloxane Waveguide for Optical Detection
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1, p. 732-734
Kee, J.S.; Poenar, D.P.; Yobas, Levent Conference paper
Micro-Extraction of Viral Ribonucleic Acid (RNA)
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1 p. 317-319
Yobas, Levent; Ji, H.M.; Chen, Y.; Liw, S.; Hui, W.C.; Rafeah, S.; Chong, S.C.; Xie, L.; Jing, L.J.; Wong, S.M.; Lim, T.M.; Heng, C.K. Conference paper
Microfluidic sample preparation for nucleic acid analysis
Design, Automation, and Test in Europe, ICM, MESSE Munich Germany, March 6-10, 2006
Samper, V.; Hui, W.C.; Hongmiao, J.; Yobas, Levent; Yu, C.; Heng, C.K.; Lim, T.M. Conference paper
Micromixing Biologically Crowded Agents By Folding Plugs Through Pillars
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1, p. 600-603
Tang, K.C.; Wibowo, R.M.; Yobas, Levent Conference paper
Nucleic acid extraction, amplification, and detection on Si-based microfluidic platforms
IEEE Custom Integrated Circuits Conferencet, San Jose California USA, 2006, p. 465-472 (Invited Talk)
Yobas, Levent; Ji, H.; Hui, W.; Chen, Y.; Lim, TM; Heng, CK; Kwong,D-L Conference paper
Particle flow characterization for a microfluidic device for cell-based assay
Electronics Packaging Technology Conference EPTC '06, December 8 2006, p. 454 – 461
Teo, C.Y.; Ong, W.L.; Zhang, H.Y.; Yobas, Levent Conference paper
Self-sealing fluidic interconnects for high-density cellbased assays
APCOT, Singapore, 2006
Ong, W.; Tang, K.C.; Ranganathan, N.; Yobas, Levent Conference paper
Silicon-Based Microfilters for Whole Blood Cell Separation
Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9, 2006, Vol. 1 p. 323-325
Ji, H.M.; Samper, V.; Yobas, Levent; Chen, Y.; Heng, C.K.; Lim, T.M. Conference paper

2005 5

Precise Profile Control of 3-D Lateral Junction Traps by 2-D Mask Layout and Isotropic Etching
J of Micromechanics and Microengineering, v. 15, 2005, p. 386-393
Yobas, Levent; Sharma, R.K.; Nagarajan, R.; Samper, V.; Naidu, P. d/o S.R. Article
Disposable Polydimethylsiloxane Package for Bio-Microfluidic System
55th Electronic Components and Technology Conference (ECTC), Lake Buena Vista FL USA, May 31 – June 5 2005, p. 617-621
Choong, S.C.; Xie, L.; Yobas, Levent; Ji, H.M.; Li, J.; Chen, Y.; Damaruganath, P.; Hui, W.C.; Iyer, M. K, Conference paper
Microfluidic Chip for Viral RNA Extraction & Detection
IEEE Sensors 2005, The 4th IEEE Conference on Sensors, Irvine CA USA, October 31- Nov 3 2005, Vols. 1 & 2, p. 49-52
Yobas, Levent; Heng, C.K.; Hui, W.C.; Ji, H.M.; Chen, Y.; Lye, H.J.; Bte, S.R.; Liw, S.; Li, J.; Choong, C.S.; Xie, L.; Lim, T.M. Conference paper
Microfluidic System for Extracting Nucleic Acids – From DNA to RNA
ICMAT 2005, 3rd International Conference on Materials for Advanced Technologies, Singapore, July 3-8 2005
Hui, W.C.; Yobas, Levent; Samper, V.; Heng, C.K.; Liw, S.; Ji, H.M.; Chen, Y.; Lin, C.; Li, J.; Lim, T.M. Conference paper
Selfforming Lateral Apertures in Silicon Microchannels for Patch Clamping
Proceedings of μTAS 2005, 9th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Boston MA USA, October 9-13 2005, Vol. 2 p. 933-935
Yobas, Levent; Zhao, L.; Zhu, J.; Kumar, R.S.; Nagarajan, R.; Liw, S.S.; Hui, W.C.; Lim, T.M.; Sheu, F.S. Conference paper

2004 3

A Flow-Through Shear-Type Microfilter Chip For Separating Plasma and Virus Particles from Whole Blood
Proceedings of μTAS 2004, 8th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Malmo Sweden, September 26-30 2004, Vol. 2 p. 7-9
Yobas, Levent; Gui,E-L; Ji, H.; Li, J.; Chen, Y.; Hui,W-C; Rafe, S.; Swarup, S.; Wong,S-M; Lim,T-M; Heng,C-K Conference paper
Fabricating Submicron Microfluidic Filter without Submicron Etching
International Conference on Electrical Engineering (APCOT), July 4-82004, Vol. 3-1 p. 409-412
Li, J.; Chen, Y.; Yobas, Levent; Ji, H.M.; Hui, W.C. Conference paper
From R&D to Industrial Applications: The MEMS R&D Activities in Singapore
10th Micromachine Summit, Grenoble France, May 3-5 2004
Wang, Z.; Yobas, Levent Conference paper

2003 1

A novel integrable microvalve for refreshable Braille display system
Journal of Microelectromechanical Systems, v. 12, June 2003, p. 252-263
Yobas, Levent; Durand, D.M.; Skebe, Gerard G.; Lisy, F.J.; Huff, M.A. Article

2001 1

A novel bulk-micromachined electrostatic microvalve with a curved-compliant structure applicable for a pneumatic tactile display
Microelectromechanical Systems, v. 10, June 2001, p. 187-196
Yobas, Levent; Huff, M.A.; Lisy, F.J.; Durand, D.M. Article

1999 2

A Pneumatically Actuated Tactile Display Unit Utilizing MEMS Microvalves
Annals of Biomedical Engineering, Vol. 26, Supplement 1, RE. 13, S-131, Biomedical Engineering Society 1998 Annual Fall Meeting, October 10-13, 1998
Yobas, Levent; Lisy, F.J.; Schmidt, R.N.; Huff, M.A. Conference paper
Electrostatically Actuated MEMS Microvalve Suitable for Pneumatically Actuated Refreshable Braille-Display-System
ASME Summer Bioengineering Conference, June 16-20 1999
Yobas, Levent; Carver, B.R.; Lisy, F.J.; Huff, M.A. Conference paper


No Publications






Teaching Assignment

---

2021-22 Winter 0 2021-22 Fall 1 2020-21 Summer 3 2020-21 Spring 8 2020-21 Winter 0 2020-21 Fall 1

---

ELEC2100 Signals and Systems


CPEG4911 Computer Engineering Final Year Project in ELEC
ELEC4900 Final Year Design Project
ELEC4901 Final Year Thesis


BIEN5820 Microfluidics and Biosensors
CPEG2930 Academic and Professional Development I
CPEG3930 Academic and Professional Development II
ELEC4900 Final Year Design Project
ELEC4901 Final Year Thesis
ELEC4907 Final Year Project
ELEC4910 Co-op Program
ELEC5820 Microfluidics and Biosensors


ELEC3310 Digital Fundamentals and System Design


No Teaching Assignments


No Teaching Assignments






Research Postgraduate (RPG) Supervision From January 2019 to December 2022 (As of 30 January 2022)

---

All Supervisions Current RPGs Graduated RPGs

---

Current RPGs

---

Doctor of Philosophy BU, Yang
Electronic and Computer Engineering( 2018 - )

NI, Sheng
Electronic and Computer Engineering( 2017 - )

---

Graduated RPGs

---

Master of Philosophy TANG, Zili
Electronic and Computer Engineering( Completed in 2021 )

KUSHIGBOR, Stanley Dickson Elinam
Bioengineering( Completed in 2020 )

AHMED, Zisun
Bioengineering( Completed in 2019 )









ProjectsFrom January 2020 to December 2022

---

All Projects 5 Leading Projects 3 Participating Projects 2

---

A High-accuracy Wafer Polisher and Bonders for Heterogeneous Integration


用於異質性整合的高精度磨片機和鍵合機 Participating


RGC - Collaborative Research Fund


Project Team (HKUST)
POON Andrew Wing On (Lead)
CHAN Man Sun
CHEN Kevin Jing
FAN Zhiyong
LAU Kei May
LEE Ricky Shi-wei
LEE Yi-Kuen
LI Zhigang
QIU Huihe
SRIVASTAVA Abhishek Kumar
WONG Man
YE Wenjing
YOBAS Levent
YU Hongyu


2021 -




MICRODEVICES FOR ISOLATION AND SIZE-FRACTIONATION OF EXOSOMES FROM WHOLE BLOOD


用於從全血中分離和尺寸分級外泌體之微器件 Leading


RGC - General Research Fund


Project Team (HKUST)
YOBAS Levent (Lead)


2020 -




Robust Microsystems for a High-Throughput Precision Intracellular Delivery


用於高通量精確細胞內轉運的可靠微系統 Leading


RGC - General Research Fund


Project Team (HKUST)
YOBAS Levent (Lead)
HUANG Pingbo


2017 - 2021




Integrated nanofluidic systems for the investigation of protein folding


用於蛋白質折疊研究的集成納流控系統晶片 Leading


RGC - General Research Fund


Project Team (HKUST)
YOBAS Levent (Lead)


2017 - 2020




A Deep Reactive Ion Etching System for Nanosystem Fabrication


用於納米系統製造的反應離子深硅刻蝕設備 Participating


RGC - Collaborative Research Fund


Project Team (HKUST)
POON Andrew Wing On (Lead)
CHAN Ho Bun
CHAN Man Sun
FAN Zhiyong
LAU Kei May
LEE Ricky Shi-wei
LEE Yi-Kuen
LI Zhigang
SIN Johnny Kin On
WEN Weijia
WONG Man
YE Wenjing
YOBAS Levent


2017 - 2020