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FTIR-ATR spectra of ENSs conjugated with two model agents. (A) A hybrid ENS coupled with NHS by EDC. (B) An ENS coupled with EGS.
Abbreviations: EDC, 1-Ethyl-3-(3-dimethyl aminopropyl) carbodiimide hydrochloride; EGS, ethylene glycol-bis(succinimidyl succinate); ENS, electrospun nanofibrous scaffold; FTIR-ATR, Fourier transform infrared attenuated total reflectance; NHS, N-hydroxysuccinimide.
