A nanoengineered Au@Ag@PVP SERS solid-phase substrate empowered by machine learning for rapid and trace-level screening of pesticide residues in tea - Xifan Zhan; Xinying Wang; Md Mehedi Hassan; Fangling Jiang; Jiaying Xu; Yuan Zhang; Shanghua Li; Sha Zou; Hongfa Liu; Yi Xu; Quansheng Chen (Food Bioscience, 2026)