کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5512374 1540223 2017 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Determination of the distributions of degrees of acetylation of chitosan
ترجمه فارسی عنوان
تعیین توزیع درجه استیل شدن کیتوزان
کلمات کلیدی
کیتوزان، توزیع درجه استیلیت، الکتروفورز مویرگی،
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی زیست شیمی
چکیده انگلیسی

Chitosan is often characterized by its average degree of acetylation. To increase chitosan's use in various industries, a more thorough characterization is necessary as the acetylation of chitosan affects properties such as dissolution and mechanical properties of chitosan films. Despite the poor solubility of chitosan, free solution capillary electrophoresis (CE) allows a robust separation of chitosan by the degree of acetylation. The distribution of degrees of acetylation of various chitosan samples was characterized through their distributions of electrophoretic mobilities. These distributions can be obtained easily and with high precision. The heterogeneity of the chitosan chains in terms of acetylation was characterized through the dispersity of the electrophoretic mobility distributions obtained. The relationship between the number-average degree of acetylation obtained by solid-state NMR spectroscopy and the weight-average electrophoretic mobilities was established. The distribution of degrees of acetylation was determined using capillary electrophoresis in the critical conditions (CE-CC).

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Biological Macromolecules - Volume 95, February 2017, Pages 40-48
نویسندگان
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