
Genetically encoded fluorescent indicators for live cell pH imaging
Keywords: FP; fluorescent protein; avGFP; green fluorescent protein from Aequorea victoria; FRET; Förster resonance energy transfer; wt; wild-type; ESPT; excited state proton transfer; pHi; intracellular pH; EGFP; enhanced GFP; ECFP; enhanced cyan fluorescent prot