Fig. 1From: Rapid detection of papillary thyroid carcinoma by fluorescence imaging using a γ-glutamyltranspeptidase-specific probe: a pilot studyFluorescence image of cell lines with gGlu-HMRG. a White-light image of A549 cells under incandescent light without gGlu-HMRG. b Fluorescence image of A549 cells taken 3 min after spraying with gGlu-HMRG. gGlu-HMRG is converted to highly fluorescent hydroxymethyl rhodamine green (HMRG) upon reaction with γ-glutamyltranspeptidase (GGT). c White-light image of SW782 cells under incandescent light without gGlu-HMRG. d Fluorescence image of SW782 cells taken 3 min after spraying with gGlu-HMRGBack to article page