欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
制备O-季铵化-N,N-双十二烷基壳聚糖,用FTIR、EA、~1H NMR对其进行表征,并研究其与胆固醇的混合单分子膜性质.结果表明,随着胆固醇的摩尔分数从0.2增加到0.8,O-季铵化-N,N-双十二烷基壳聚糖/胆固醇混合单分子膜的极限分子占据面积A_（ex）及崩溃压π_C逐渐减小。混合单分子膜两组分分子间的作用力从相互吸引作用转变为相互排斥作用的转折点出现在胆固醇的摩尔分数为0.4时.胆固醇的摩尔分数为0.2时,混合单分子膜的相容性最好,体系最稳定。
英文摘要：
O-quaternized-N,N-dilauryl chitosan was prepared and characterized by FTIR,EA and ~1H NMR.The behaviors of mixed monolayers of O-quaternized-N,N-dilauryl chitosan and cholesterol were studied.It showed that the limiting molecular area A_（ex） and collapse pressureπ_c of mixed monolayers gradually decreased as the cholesterol molar ratio increased from 0.2 to 0.8.The values of△G_（exc） changed from an attractive interaction to a repulsive interaction between O-quaternized-N,N-dilauryl chitosan and cholesterol with a critical point of cholesterol molar ratio 0.4 added in the mixed system,and the most stable state of mixed monolayers was observed at molar ratio of cholesterol 0.2.
同期刊论文项目
同项目期刊论文
期刊信息
位置：