Fig. 6From: Pullulan-Based Nanoparticle-HSA Complex Formation and Drug Release Influenced by Surface ChargeA Fluorescence spectra for HSA (1.5 × 10− 5 mol/L) without (a) and with (b) CHSP, (c) CHP and (d) CHAP NPs with the same concentration (4.2 × 10− 6 mol/L). B HSA emission intensity with CHSP, CHP, and CHAP NPs at 343 nm over timeBack to article page