Chitosan Nanoparticles as a Percutaneous Drug Delivery System for Hydrocortisone

Figure 2

Effects of pH of PBS buffer solution on the swelling ratios of HC-loaded HMwt, LMwt, and TMC NPs (CS 0.2% w/v, HC 1 mg/mL, and TPP 1 mg/mL, 𝑛=3).