pH- and Solvent-Stable Zn II /Cd II Metal–Organic Frameworks with 2,1,3-Benzothiadiazole Derivative for Turn-On Fluorescence Sensing Dipicolinic Acid and Thiamine in Living Cells

have good biocompatibility and low cytotoxicity, while simultaneously achieving the capacity for fluorescence imaging and sensing of exogenous DPA and VB1 in vivo in living cells. This work provides some guidance for the development of MOF-based fluorophores based on different metal ions.