个人简介：
许丽君，博士，副教授，硕士生导师。2002～2006年就读于中国矿业大学，获学士学位。2011～2014年就读于郑州大学，获硕士学位。2014～2017年，就读于中国科学院大学（中国科学院苏州纳米技术与纳米仿生研究所，纳米生物医学部），获博士学位。2017年9月以校五层次****引进到青岛大学工作。主要从事基于核酸检测生物体和食品中微生物、活性分子、毒素、药残及重金属等的新型检测技术研究。现主持山东省自然科学基金和青岛大学人才引进科研启动项目，参与完成国家和江苏省自然科学基金项目3项。近年来，在国际知名学术期刊如Chemical Communications、Journal of Materials Chemistry B、Talanta、Analyst等发表SCI论文近30篇。欢迎生物工程、化学和材料学等专业背景的考生报考。
研究方向：
1. 功能核酸荧光传感器。
2. 仿生酶及其生物传感应用。
主持项目：
1. 山东省自然科学基金（ZR2019BB047），2019-2022；
2. 青岛大学人才引进科研启动项目。
代表性论文:
1. Lijun Xu,? Xiaoqiang Shen,? Shanni Hong, Jine Wang, Yuanyuan Zhang, Hongyan Wang, Jianye Zhang,* Renjun Pei*. Turn-on and label-free fluorescent detection of lead ion based on target-induced G-quadruplex formation.Chemical Communications, 2015, 51, 8165-8168.
2. Lijun Xu, Yahui Guo, Jine Wang, Lu Zhou, Yuanyuan Zhang, Shanni Hong, Zhili Wang, Jianye Zhang*, Renjun Pei*. A H⁺/Ag⁺Dual-Target Responsive Label-Free Light-Up Probe Based on a DNA Triplex.Chemistry – An Asian Journal, 2015, 10, 1126-1129.
3. Lijun Xu, Shanni Hong, Xiaoqiang Shen, Lu Zhou, Jine Wang, Jianye Zhang*, and Renjun Pei*. DNA Triplexes-Guided Assembly of G-Quadruplexes for Constructing Label-free Fluorescent Logic Gates.Chemistry – An Asian Journal, 2016, 11, 1892-1895.
4. Lijun Xu,? Shanni Hong,? Na Sun, Kewei Wang, Lu Zhou, Liya Ji, and Renjun Pei*. Berberine as a novel light-up i-motif fluorescence ligand and its application in designing molecular logic systems.Chemical Communications, 2016, 52, 179-182.
5. Lijun Xu, Jine Wang, Na Sun, Min Liu, Yi Cao, Zhili Wang and Renjun Pei*. Neutral red as a specific light-up fluorescent probe for i-motif DNA.Chemical Communications, 2016, 52, 14330-14333.
6. Lijun Xu, Lu Zhou, Xing Chen, Xiaoqiang Shen, Jine Wang, Jianye Zhang, and Renjun Pei*. Luminescence sensitization of Tb³⁺-DNA complexes by Ag⁺.Spectrochimica Acta Part A:Molecular and Biomolecular Spectroscopy, 2017, 180, 85-90.
7. Lijun Xu, Guimei Jiang, Hong Chen, Yue Zan, Shanni Hong, Tingting Zhang, Yuanyuan Zhang*, Renjun Pei*. Folic acid-modified fluorescent dye-protein nanoparticles for the targeted tumor cell imaging.Talanta, 2019, 194, 643-648.
8. Yanyan Guo,Lijun Xu*, Aihua Liu*. Boosting the Peroxidase-like Activity of Cobalt Ions by Amino Acid-based Biological Species and Its Applications.Chemistry-an Asian Journal, 2020, 15, 1067-1073.
联系方式：
E-mail:ljxu@qdu.edu.cn；