Fig. 4From: A multi-responsive coumarin–benzothiazole fluorescent probe for selective detection of biological thiols and hydrazinea Fluorescence spectral changes of BCD (60 µM) toward different concentrations of N2H4 in the DMF-Hepes buffer (7/3, v/v, pH = 7.4). b Linear responses of fluorescent intensity at 458 nm to varying N2H4 concentrationBack to article page