董永贞

            讲师

个人简介

       2023年7月-至今，大连工业大学，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. 基于纳米生物传感的食品安全快速检测理论及方法研究。

       2. 人工智能技术在食品安全检测与防控中的应用。

主要成果

       发表学术论文40余篇，其中以第一或通讯作者（含共同）发表SCI收录论文19篇，以第二完成人授权国家发明专利4项。

科研项目

       1. 草鱼中不同限量抗生素精准检测的磁共振能量转移免疫传感机制，国家自然科学基金青年基金C类，30万元。

       2. 食品中黄曲霉毒素B1检测的微球显微成像免疫传感技术，辽宁省教育厅高校基本科研项目，主持，10万元。

       3. 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，5万元。

       4. 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，4万元。

出版著作和论文

       代表论文：

       1) Jia Feng, Jia Tu, Chunling Li, Dongyang Deng, Huihui Wang, Yongzhen Dong,* and Yiping Chen. Three-Dimensional Microsphere Sensing Based on Oil-Immersion Microscopy and Computer Vision for DNA Extraction-Free and Multiplexed Detection of Foodborne Pathogens. Anal. Chem. 2026, 98, 4675−4686

       2) Heling Ren, Ziyue Cao, Qiaoling Wei, Rui Chen*, Yongzhen Dong**. Polydopamine-assisted fiber optic chemiluminescent immunosensor for sensitive and on-site detection of deoxynivalenol in cereal. Food Control, 2026, 182, 111851

       3) Yongzhen Dong, Meijie Ren, Jia Tu, Yiping Chen*. Artificial intelligence-enabled microsphere imaging immunosensor based on magnetic metal-organic frameworks-assisted sample pretreatment for detecting aflatoxin B1 in peanuts. Journal of Hazardous Materials, 2025, 493, 138410

       4) 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

       5) 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)

       6) 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)

       7) 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)

       8) 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)

       9) 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

      10) 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)

在读学生人数

       在读硕士研究生2名

毕业学生人数