Qi, Longbin1,3; Jiang, Tianjia1,2
; Liang, Rongning1,2; Qin, Wei1,2,4发表期刊SENSORS AND ACTUATORS B-CHEMICAL
2021-02-01
卷号328页码:8
关键词Polymeric membrane ion-selective electrodeBiofouling resistanceSilver nanoparticlePolydopamine
DOI10.1016/j.snb.2020.129014
通讯作者Liang, Rongning(rnliang@yic.ac.cn); Qin, Wei(wqin@yic.ac.cn)
英文摘要Polymeric membrane ion-selective electrodes (ISEs) have been widely applied in environmental analysis. In many cases of practical relevance, however, when these sensors are applied in complex samples, they could suffer from problems of biofouling (related to microorganisms and biofilms) which may shorten the sensors' lifetimes and cause the measurement errors. Herein, we describe a robust and effective method to endow the ISE membranes with anti-biofouling properties based on surface modification of silver nanoparticles (Ag NPs). The ISE membrane is modified with the hydrophilic polydopamine (PDA) followed by in-situ formation of Ag NPs. The PDA modification enhances anti-adhesive properties of the ISE membrane by increasing the surface hydrophilicity, while Ag NPs impart strong anti-microbial properties to the membrane. A classical polymeric membrane K+-ISE has been chosen as a model. Compared to the unmodified K+-ISE, the Ag NPs modified K+-ISE exhibits significantly improved anti-biofouling properties in terms of the low viability and adhesion rates of bacteria while retaining its original potentiometric ion response properties. Moreover, Ag NPs on the sensor surface show an excellent long-term stability. We believe that the proposed approach can be extended to improve the antifouling abilities of other polymeric membrane-based electrochemical sensors for detection in complex environmental samples.
资助机构National Natural Science Foundation of China; National Key Research and Development Program of China; Youth Innovation Promotion Association of CAS; Taishan Scholar Program of Shandong Province; Science and Technology Project of Yantai City
收录类别SCI
语种英语
关键词[WOS]THIN-FILM COMPOSITE; IN-SITU; POTENTIOMETRIC SENSOR; POLYDOPAMINE; MITIGATION; REDUCTION; CHEMISTRY
研究领域[WOS]Chemistry; Electrochemistry; Instruments & Instrumentation
WOS记录号WOS:000600965200003
引用统计被引频次：5[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/27571
专题中科院海岸带环境过程与生态修复重点实验室
中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
通讯作者Liang, Rongning; Qin, Wei作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Key Lab Coastal Environm Proc,YICCAS, Yantai 264003, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Shandong, Peoples R China
推荐引用方式
GB/T 7714Qi, Longbin,Jiang, Tianjia,Liang, Rongning,et al. Polymeric membrane ion-selective electrodes with anti-biofouling properties by surface modification of silver nanoparticles[J]. SENSORS AND ACTUATORS B-CHEMICAL,2021,328:8.
APAQi, Longbin,Jiang, Tianjia,Liang, Rongning,&Qin, Wei.(2021).Polymeric membrane ion-selective electrodes with anti-biofouling properties by surface modification of silver nanoparticles.SENSORS AND ACTUATORS B-CHEMICAL,328,8.
MLAQi, Longbin,et al."Polymeric membrane ion-selective electrodes with anti-biofouling properties by surface modification of silver nanoparticles".SENSORS AND ACTUATORS B-CHEMICAL 328(2021):8.
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