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Anticoagulation Activities of Low Molecular Weight Sulfated Chitosan and Sulfated Sodium Alginate  

김공수 (충북대학교 공업화학과)
이지원 (충북대학교 공업화학과)
조석형 (혜전대학 환경의료재료 계열)
Publication Information
Polymer(Korea) / v.27, no.6, 2003 , pp. 583-588 More about this Journal
Abstract
Sulfated chitosan and sulfated sodium alginate were synthesized by sulfating reaction of low molecular chitosan and low molecular sodium alginate with SO$_3$-pyridine complex. When the weight ratio of SO$_3$-pyridine complex to polysaccharide was 1:5, the degrees of sulfation were the highest at 2.75 and 2.53 respectively. The anticoagulation effect was the highest when the molecular weight was 8.0${\times}$10$^3$ Da, and the anticoagulation activity was the highest at 91% of that of heparin when sulfated chitosan and sulfated sodium alginate were mixed at a weight ratio of 1:1. The anticoagulation activity was highest at 84% of that of heparin in the active plastin trombo test (aPTT) when sulfated chitosan and sulfated sodium alginate were mixed at a weight ratio of 1:1.
Keywords
sulfated chitosan; anticoagulation;
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