Fig.7

Fluorescence spectra of Ag-NPs \(\left(3.72\times {10}^{-5}\right)\) M in aqueous solution upon addition of various concentrations of a RIV (from top to bottom: 0, 0.5, 1, 3, 5, 7, 9 and 10 µg/ml) and the inset shows the corresponding calibration curve between RFI and drug concentration b EDT from top to bottom: 0, 0.5, 1, 3, 5, 7, 9 and 10 µg/ml) and the inset shows the corresponding calibration curve between RFI and drug concentration