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FTIR spectrum of LID (a), chitosan (b), SLS (c), mupirocin (d), PCL (e), FLS (f), and DLS (g).
Abbreviations: DLS, double layer nanofibrous scaffolds; FLS, first layer of scaffolds; FTIR, Fourier transform infrared spectra; LID, lidocaine hydrochloride; PCL, polycaprolactone; SLS, second layer of scaffolds.
