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UV-Vis release of ternary nanofibers (a) shows release behavior of PVA-Gel-Chi/FA at pH 5.44 and 8.04, and PVA-Gel-Chi/sFA at pH 5.44 and 8.04, while (b) shows release behavior of PVA-Alg-Chi/FA at pH 5.44 and 8.04, and PVA-Alg-Chi/sFA at pH 5.44 and 8.04.
