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. 2018 Feb 13;13:917–937. doi: 10.2147/IJN.S148104

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© 2018 Xu et al. This work is published and licensed by Dove Medical Press Limited

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¹H NMR spectra of CG-GS (1:1) (a), CG-GS (1:0.5) (b), GSH (c), CTS-GS (1:1) (d), CTS-GS (1:0.5) (e), CTS-Fmoc-GS (1:1) (f), CTS-Fmoc-GS (1:0.5) (g), CTS (h), Fmoc-GS (i) and GS (j).

Abbreviations: CTS, chitosan; CG-GS, chitosan-glutathione-glycylsarcosine; Fmoc, ; GSH, l-glutathione reduced form; ¹H NMR, proton nuclear magnetic resonance.