Volume 1 Issue 1
Feb.  2011
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Bing-Bing Shang, Jun Sha, Yang Liu, Qin Tu, Man-Lin Li, Jin-Yi Wang. Synthesis of a new chitosan derivative and assay of Escherichia coli adsorption[J]. Journal of Pharmaceutical Analysis, 2011, 01(1): 39-45.
Citation: Bing-Bing Shang, Jun Sha, Yang Liu, Qin Tu, Man-Lin Li, Jin-Yi Wang. Synthesis of a new chitosan derivative and assay of Escherichia coli adsorption[J]. Journal of Pharmaceutical Analysis, 2011, 01(1): 39-45.

Synthesis of a new chitosan derivative and assay of Escherichia coli adsorption

Funds:

the Scientific Research Foundation for the Returned Overseas Chinese Scholars of the Ministry of Education,and Northwest Agricultural & Forestry University

the Ministry of Education of the People's Republic of China

the State Forestry Administration of the People's Republic of China

国家自然科学基金

  • Publish Date: Feb. 10, 2011
  • A new chitosan derivative is prepared using chitosan.Ethyl chlorocarbonate was first introduced to the hydroxyl group of phthaloylchitosan through a nucleophilic reaction.Hydrazine was then added to recover the amino groups of chitosan and promote cross-linking.The structure of this new chitosan derivative was characterized by Fourier transform infrared (FT-IR) and proton nuclear magnetic resonance (1H NMR) spectroscopy,and its physical properties were determined by X-ray diffraction (XRD),differential scanning calorimetry (DSC),and thermogravimetric analysis (TGA).The thermal and chemical stabilities of the new derivative were improved compared with those of native chitosan.Assay of Escherichia coli adhesion on a film based on this chitosan derivative showed good adsorption and biofilm formation.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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