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. 2014 Jun 13;9:2919–2932. doi: 10.2147/IJN.S59799

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© 2014 Zhang et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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¹H-NMR spectra of CS (A) in D₂O and DCL (9:1, v/v) and of NSC (B) in D₂O.

Abbreviations: CS, chitosan; D₂O, deuterium; DCL, deuterium chloride; ¹H-NMR, proton nuclear magnetic resonance; NSC, N-succinyl-chitosan.