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. 2023 Feb 3;17(3):204–211. doi: 10.1049/nbt2.12116

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© 2023 The Authors. IET Nanobiotechnology published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Cell proliferation assay of A375 cells after 2 h exposure to epidermal growth factor (EGF) loaded chitosan nanoparticles in different ratios at pH 7.5. Data are represented as mean ± SD (n = 3). *Denotes significant differences (P < 0.05).