Abstract
A colorimetric and fluorescence turn-off probe 10-(4-azido phenyl)-5,5-difluoro-5h-dipyrrolo[1,2-c:1’,2’-f][1,3,2] diazaborinin-4-ium-5-uide, 1, for selective detection of H2S is reported. The probe displayed a robust decrease in fluorescence intensity with high sensitivity, specificity and least toxicity to detect exogenous H2S and also in live normal human oral fibroblast cells loaded with probe 1. The detection limit of probe 1 being 0.17 µm for H2S. A colorimetric and fluorescence turn-off BODIPY probe 1, for selective detection of exogenous H2S in live normal human oral fibroblast cells loaded with probe 1 and poisonous H2S gas formed under biodegradation in sewage waters and water tanks and corroded pipe lines. The detection limit of probe 1 being 0.17 μM
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