Fig. 3From: Carbon dots as fluorescent nanoprobes for assay of some non-fluorophoric nitrogenous compounds of high pharmaceutical interestFluorescence emission of a 0.1 μg/mL AZN, b 5 μg/mL RSGL, c Overlay for excitation and emission curves of CDs and d Quenching of CDs fluorescence emission in the presence of 0.001 μg/mL AZN and 0.25 μg/mL RSGLBack to article page