Magnetic three-phase single-drop microextraction for highly sensitive detection of aflatoxin B1 in agricultural product samples based on peroxidase-like spatial network structure

Jingyu Kuang, Jiahe Ju, Yongli Lu, Yitong Chen, Chang Liu, Dezhao Kong, Wei Shen, Hai‐Wei Shi, Li Li, Ye Jin, Sheng Tang