Dr. Wenjie Ren, Ph.D., is an accomplished researcher at Henan University of Technology, China, specializing in immunological detection technologies and genetic engineering antibodies. Her research primarily focuses on developing rapid and highly sensitive biosensing systems for small molecule detection, integrating nanotechnology and immunoassay innovations to address challenges in food safety and environmental monitoring. With 1,007 citations, 67 research publications, and an h-index of 18, Dr. Wenjie Ren has established a strong scientific footprint in fields such as nanomaterial synthesis, immunochromatography, fluorescence sensing, and bioluminescent enzyme immunoassays. She has successfully led nine major research projects, including one funded by the National Natural Science Foundation of China (Youth Program) and several provincial and collaborative initiatives. Her representative works include the development of nanobody-based CuS nanoflower–Au lateral flow immunoassay strips and DNA tetrahedron fluorescence sensors for simultaneous detection of food contaminants such as aflatoxin B1 and ochratoxin A. These innovations have advanced analytical performance, sensitivity, and field applicability in food and agricultural testing. Dr. Wenjie Ren holds three authorized patents in nanobody-based and dual-signal amplification immunochromatography technologies. Her research excellence has been recognized through First and Second Prizes in the Henan Provincial Science and Technology Achievement and Progress Awards, particularly for pioneering functionalized nanocomposite biosensors. Beyond her publications and patents, she contributes as a research supervisor, fostering young scientific talent in molecular detection and biosensor design. Her interdisciplinary approach bridges immunochemistry, nanotechnology, and analytical biochemistry, positioning her as a key contributor to next-generation diagnostic sensor research and its translational applications in food safety and biomedical fields.