Cu2O@Fe Prussian blue-integrated smartphone-assisted sensing strategy for hydroquinone and bisphenol A determination - Jian-Mei Chen; Yong-Qi Ding; Yan-Hong Zhou; Zi-Xuan Bai; Xiao-Tong Yang; Xin Huang; Shuai Li; Feng-Zhan Sun (Food Chemistry, 2026)