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

Figure 2

Fluorescence spectra of HSA at different concentrations of Ag₂S QDs. (λex = 280 nm, λem = 360 nm, = 4.2 × 10⁻⁷ mol/L, (1–11): 0, 3.0, 6.0, 9.0, 12.0, 15.0, 18.0, 21.0, 24.0, 27.0, and 30.0 × 10⁻⁵ mol/L, pH = 7.4, = 297 K).