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FT-IR spectra of ternary nanofibers (a) shows comparison of PVA-Alg/sFA, PVA-Alg/FA, and PVA-Alg, (a) shows spectra of PVA-Gel-Chi/sFA, PVA-Gel-Chi/FA, and PVA-Gel-Chi, and (b) shows spectra of PVA-Alg-Chi/sFA, PVA-Alg-Chi/FA, and PVA-Alg-Chi.
