Construction of cerium-containing organophyllosilicate nanozyme for colorimetric determination of nitrite in food. - Lv, Rui; Xi, Fengyan; Chen, Ning; Wu, Yanlei; Fang, Jinfeng; Liu, Yan; Zhu, Qin; Hu, Lin; Hu, Jiahui; Chen, Zhenyu; Tu, Xiaofei (Chemical Papers, 2025)