Literature DB >> 15963961

Determination of the degree of deacetylation of chitin and chitosan by X-ray powder diffraction.

Yongqin Zhang1, Changhu Xue, Yong Xue, Ruichang Gao, Xiuli Zhang.   

Abstract

A new method to determine the degree of deacetylation (DD) of alpha-chitin and chitosan in the range of 17-94% DD using X-ray powder diffraction (XRD) is proposed. The results were calibrated using (1)H NMR spectroscopy for chitosan and FTIR for chitin, in comparison with the potentiometric titration method. The results showed a good linear correlation between the CrI020 from XRD and the calibrated DD value. This method is found to be simple, rapid and nondestructive to the sample.

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Year:  2005        PMID： 15963961     DOI： 10.1016/j.carres.2005.05.005

Source DB:  PubMed          Journal:  Carbohydr Res        ISSN： 0008-6215            Impact factor:   2.104


  28 in total

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Review 7.  Chitin and chitosan as direct compression excipients in pharmaceutical applications.

Authors:  Adnan A Badwan; Iyad Rashid; Mahmoud M H Al Omari; Fouad H Darras
Journal:  Mar Drugs       Date:  2015-03-19       Impact factor: 5.118

8.  Effect of the characters of chitosans used and regeneration conditions on the yield and physicochemical characteristics of regenerated products.

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Journal:  Int J Mol Sci       Date:  2015-04-17       Impact factor: 5.923

9.  First evidence of chitin in calcified coralline algae: new insights into the calcification process of Clathromorphum compactum.

Authors:  M Azizur Rahman; Jochen Halfar
Journal:  Sci Rep       Date:  2014-08-22       Impact factor: 4.379

10.  Simple Approach to Synthesize Amino-Functionalized Carbon Dots by Carbonization of Chitosan.

Authors:  Xin Liu; Jinhui Pang; Feng Xu; Xueming Zhang
Journal:  Sci Rep       Date:  2016-08-05       Impact factor: 4.379
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