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. 2020 Oct 22;21(21):7835. doi: 10.3390/ijms21217835

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Chromatographic separation of different paCOS. (A) SEC-chromatogram of the separation of a mixture of chitosans ranging from dimers to polymer according to their degree of polymerisation (DP). (B) Overlay-HILIC chromatogram of HILIC-purified tetrameric paCOS with different fractions of acetylation (F_A). (C) Overlay-HILIC-chromatogram of HILIC-purified mono-deacetylated tetrameric paCOS with different patterns of acetylation (PA).

Chromatographic separation of different paCOS. (A) SEC-chromatogram of the separation of a mixture of chitosans ranging from dimers to polymer according to their degree of polymerisation (DP). (B) Overlay-HILIC chromatogram of HILIC-purified tetrameric paCOS with different fractions of acetylation (F_A). (C) Overlay-HILIC-chromatogram of HILIC-purified mono-deacetylated tetrameric paCOS with different patterns of acetylation (PA).