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. 2024 Apr 21;10(4):280. doi: 10.3390/gels10040280

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© 2024 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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Showing (A) FTIR spectra of pure HA, HA-PT 1, HA-PT 2, HA-PT 3, HA-PT 4, HA-PT 5 and pure PT. (B) Enlarged FTIR spectra of pure HA, HA-PT 1, HA-PT 2, HA-PT 3, HA-PT 4, HA-PT 5 and pure PT.