This technology is a rapid food safety screening SERS chip with high sensitivity, stability, uniformity, and reproducibility. It addresses the current market gap for a reliable SERS chip solution. In food safety applications, it has achieved LOD for melamine down to 0.05 ppm and bisphenol A down to 1 ppb, both below regulatory standards. Additionally, it can detect preservatives, antibiotics, Sudan red, and natural food. The technology has also been patented and recognized in academic journals.

This technology＇s breakthrough is the development of a novel, highly sensitive, cost-effective, and reliable SERS screening chip, along with three new SERS mechanisms. Compared to traditional SERS substrates, this technology maintains stability without significant signal decay and remains non-oxidizing for over six months. This innovation greatly enhances the practicality and applicability of SERS substrates, presenting a significant breakthrough solution for high-throughput food safety testing.

This technology boasts high sensitivity, high stability (resisting oxidation for up to six months), and low cost, making it highly commercially competitive. It can be used to test for fungicides, melamine, preservatives, and antibiotics. Additionally, 500 units have been sold to Örebro University in Sweden and 250 units each to two domestic food companies, demonstrating its significant industrial applicability.