Research Article

Probing the Effect of Ag2S Quantum Dots on Human Serum Albumin Using Spectral Techniques

Figure 3

(a) The overlaying UV-Vis absorption spectrum of Ag2S QDs and HSA. (b) The UV-Vis absorption spectrum after reaction. (c) The UV-Vis absorption spectrum of Ag2S QDs. (d) The UV-Vis absorption spectrum of HSA ( = 8.4 × 10−7 mol/L, = 3.0 × 10−4 mol/L, pH = 7.4).