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中文摘要：
氨基的拥有的新多功能的 mPEG-b-PAA-grafted chitosan 共聚物和 carboxyl 组， mPEG-b-PAA-g-CHI (化合物 6 )，在基因/药交货为潜在的应用被设计并且由可逆增加破碎链转移(木排)的方法综合了丙烯酸的酸( AA )和可被细菌破坏的 chitosan (迟)的 grafting 反应的聚合衍生物。产生混合物的反应和描述的结束被 1H NMR， FTIR 和胶化浸透 chtomatography (GPC ) 研究表明。结果证明到在共聚物(化合物 6 ) 的 carboxyl 组的氨基的组的臼齿的比率是 0.41:0.59。
英文摘要：
A new multifunctional mPEG-b-PAA-grafted chitosan copolymer possessing amino and carboxyl groups, mPEG-b-PAA-g-CHI （compound 6）, was designed for a potential application in gene/drug delivery and synthesized by the methods of reversible addition-fragmentation chain transfer （RAFT） polymerization of acrylic acid （AA） and grafting reaction of a biodegradable chitosan （CHI） derivative. Completion of the reactions and characterization of the resulting compounds were demonstrated by ^1H NMR, FTIR and gel permeation chtomatography （GPC） studies. The results show that the molar ratio of amino groups to carboxyl groups in the copolymer （compound 6） is 0.41：0.59.
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