MMicrochimica Acta5/22/2026Smartphone-assisted ratiometric fluorescence sensing platform using Eu/DUT-52 hydrogel for on-site detection of aflatoxin B1Zhang Xiaohui·Haiyun Zhai·Shuai Yang·Lifei Pan·Jiapeng Zhong·Pengsheng ChenRead at Microchimica ActaTagsMycotoxins in Agriculture and FoodPlant Science