A smartphone-integrated test strip platform based on a europium-based ratiometric fluorescent probe for on-site and visual detection of PO43- in milk.
Phosphates are commonly used food additives; however, their excessive use or long-term consumption may pose health risks, making their accurate detection crucial for food safety and human health. In this study, 2-(4-carboxyphenyl)imidazo[4,5-f]-1,10-phenanthroline (HNCP) and pyrazine-2,5-dicarboxylic acid (H2PZDC) were...