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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 (https://creativecommons.org/licenses/by/4.0/).
In vitro cell viability (n = 3, mean ± SD) using resazurin assay after exposure to different concentrations of PNA5 and Co-SD PNA5: Trehalose at 25% PR and 50% PR for MucilAir® 3D cell line.