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30篇，其中以第一或通讯作者（含共同）发表SCI收录论文12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

       1. 海产品中单增李斯特菌检测的LAMP-CRISPR/Cas12a级联信号放大磁弛豫传感机制研究，辽宁省科技厅博士科研启动基金计划，主持。

       2. 手机显微成像数字化生物传感技术现场检测冷链海洋食品中多类病原体的研究，大连金石湾实验室开放课题，主持。

出版著作和论文

       代表论文：

       1) Yongzhen Dong, Jiawei Liu, Liqin Kong, Dongyang Deng, Long Wu*, Yiping Chen*. Pd/Cu-TCPP(Fe)-polydopamine mediated magnetic relaxation switching immunosensor for sensitive detection of chlorpyrifos. Journal of Hazardous Materials, 2025, 485,136882

       2) 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)

       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) 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

       7) Aoting Gu#, Yongzhen Dong#, Letian Li, Deyang Yu, Jiangjiang Zhang, Yiping Chen. CRISPR/Cas12a and Hybridization Chain Reaction-Coregulated Magnetic Relaxation Switching Biosensor for Sensitive Detection of Viable Salmonella in Animal-Derived Foods. Journal of Agricultural and Food Chemistry, 2024, 72, 36, 20130–20139

       8) 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)

       9) 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)

      10) Liqin Kong#, Yongzhen Dong#, Guoqiang Shu, Yaoze Feng*, and Ming Zhu. Multienzyme-Mediated Dual-Channel Magnetic Relaxation Switching Taste Biosensor (D-MRSTB) for Simultaneous Detection of Umami Compounds and Synergistic Enhancement in Food. ACS Sensors, 2024, 9, 4, 1820–1830

在读学生人数

       在读硕士研究生1名

毕业学生人数