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. 2022 Jan 17;14(2):348. doi: 10.3390/polym14020348

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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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HRFESEM surface images of PHBV, PHBV/GO and PHBV/CNFs before (initial morphology) and after degradation in acid aqueous medium (pH = 6) and GAM (Gifu) broth for 3 months.