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. 2022 Feb 9;10(2):414. doi: 10.3390/biomedicines10020414

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(a) FT-IR spectra and (b) zeta potential of chitosan-pentasodium tripolyphosphate (CS-TPP), hyaluronic acid nanoparticles (HA NPs), and α₁-acid glycoprotein-conjugated hyaluronic acid nanoparticles (AGP-HA NPs) and their separate component, confirming the successful incorporation of hyaluronic acid nanoparticles (HA NPs) components and the integration of α₁-acid glycoprotein (AGP) with hyaluronic acid nanoparticles (HA NPs).