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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 (http://creativecommons.org/licenses/by/4.0/).
(A) Water vapor transmission rate of PVA–H and PVA–AmB hydrogels. (B) Medium aspect of positive (+) and negative (−) controls, as well as PVA–H and PVA–AmB after 7 days exposure to the environment, showing the resistance of the hydrogels to microbial permeability.