董永贞

            讲师

个人简介

       2023年7月-至今，大连工业大学食品交叉科学研究院，讲师

       2016年9月-2023年6月，华中农业大学，食品科学，工学博士

       2012年9月-2016年6月，河南工业大学，食品科学与工程，工学学士

社会兼职

研究方向

       1. 基于纳米生物传感技术的食品安全快速检测理论及方法研究。

       2. 食品安全危害因子防控技术研究。

主要成果

       发表学术论文21篇，其中以第一或通讯作者（含共同）发表SCI收录论文9篇，EI论文1篇，中文核心论文2篇，以第二完成人授权国家发明专利4项。

科研项目

出版著作和论文

       代表论文：

       1) Yongzhen Dong, Junpeng Zhao, Long Wu, Yiping Chen*. Cu(II)-induced magnetic resonance tuning and enhanced magnetic relaxation switching immunosensor for sensitive detection of chlorpyrifos and Salmonella. Food Chemistry, 2024, 446, 138847. (IF=8.8)

       2) Chen Zhan, Long Wu* and Yongzhen Dong*. Enhanced magnetic relaxation switching immunoassay for chlorpyrifos based on tyramine signal amplification. Food Safety and Health, 2023, 2, 96–105

       3) Yongzhen Dong#, Cong-ying Wen#, Yongxin She, Yu Zhang, Yiping Chen*, and Jingbin Zeng*. Magnetic Relaxation Switching Immunoassay Based on Hydrogen Peroxide-Mediated Assembly of Ag@Au–Fe3O4 Nanoprobe for Detection of Aflatoxin B1. Small, 2021, 2104596. (IF=13.3)

       4) Yongzhen Dong#, Rui Chen#, Long Wu, Xiaohong Wang, Feng Jiang, Zhiyong Fan, Chenxi Huang, Yiping Chen*. Magnetic relaxation switching biosensor via polydopamine nanoparticle mediated click chemistry for detection of chlorpyrifos. Biosensors and Bioelectronics, 2022, 207, 114127. (IF=12.6)

       5) Yongzhen Dong#, Wenshu Zheng#, Da Chen, Xiujuan Li, Jia Wang, Zhilong Wang, and Yiping Chen*. Click Reaction-Mediated T2 Immunosensor for Ultrasensitive Detection of Pesticide Residues via Brush-like Nanostructure-Triggered Coordination Chemistry. Journal of Agricultural and Food Chemistry, 2019, 67, 9942-9949. (IF=6.1)

       6) Yunlei Xianyu#, Yongzhen Dong#, Zhuo Zhang, Zhanhui Wang, Wenbo Yu, Zhilong Wang, Yiping Chen*. Gd3+-nanoparticle-enhanced multivalent biosensing that combines magnetic relaxation switching and magnetic separation. Biosensors and Bioelectronics, 2020, 155, 112106. (IF=12.6)

       7) Yunlei Xianyu#, Yongzhen Dong#, Zhilong Wang, Zhenlin Xu, Riming Huang, and Yiping Chen*. Broad-Range Magnetic Relaxation Switching Bioassays Using Click Chemistry-Mediated Assembly of Polystyrene Beads and Magnetic Nanoparticles. ACS Sensors, 2019, 4,1942-1949. (IF=8.9)

       8) Xuewen Peng#, Yongzhen Dong#, Niu Feng, Qiaoling Wei, Peng Lu, and Yiping Chen*. Fe3O4@polydopamine-based microchannel resistance immunosensor for detecting deoxynivalenol in wheat samples. Sensors and Actuators: B. Chemical, 2023, 378, 133151. (IF=8.4)

       9) Meijie Ren#, Yongzhen Dong#, Jianlong Wang, Jianhan Lin, Lijie Qu, Yang Zhou, Yiping Chen*. Computer vision-assisted smartphone microscope imaging digital immunosensor based on click chemistry-mediated microsphere counting technology for the detection of aflatoxin B1 in peanuts. Anal. Chim. Acta 2023, 1278, 341687. (IF=6.2)

      10) Zijing Wu#, Chenxi Huang#, Yongzhen Dong#, Binjie Zhao, Yiping Chen*. Gold core @ platinum shell nanozyme-mediated magnetic relaxation switching DNA sensor for the detection of Listeria monocytogenes in chicken samples. Food Control, 2022, 137, 108916. (IF=6.0)

在读学生人数

        协助指导硕士研究生2名

毕业学生人数