A benzimidazole-based highly selective colorimetric and far-red fluorometric pH sensor for intracellular imaging
A turn-on fluorescent probe (E)-4-(2-(1H-benzo[d]imidazol-2-yl)vinyl)-N,N-diphenylaniline (BVD) was facilely synthesized via the ethylene bridging of triphenylamine and benzimidazole.