A NEW TEMPERATURE-RESPONSIVE AND PH-RESPONSIVE COPOLYMER FOR POSSIBLE USE IN PROTEIN CONJUGATION

被引:104
作者
CHEN, GH
HOFFMAN, AS
机构
[1] Center for Bioengineering, University of Washington, Seattle, Washington, 98 195
关键词
D O I
10.1002/macp.1995.021960424
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The temperature- and pH-sensitive copolymers of N-isopropylacrylamide (NIPAAm) with 4-pentenoic acid (PAc) were synthesized and the monomer reactivity ratios were estimated. The effects of polymer composition, pH and ionic strength of the aqueous solution on the lower critical solution temperature (LCST) of the copolymers were investigated. It was found that the LCSTs of these unusual copolymers can be either lowered or raised compared to the LCST of poly(N-isopropylacrylamide) by changing the pH.
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页码:1251 / 1259
页数:9
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