Chitosan Nanoparticles as a Percutaneous Drug Delivery System for Hydrocortisone

Figure 4

TEM images of HC-loaded HMwt CS NPs (a) LMwt CS NPs (b) TMC NPs (c) at pH 3.0. Morphology of LMwt CS NPs at pH 4 (d), 5 (e), 6 (f), and 7 (g) of CS solution. NPs were prepared from 0.2% w/v CS, 1 mg/mL TPP and 1 mg/mL HC, 𝑛=3.

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