摘要
设计合成了胆固醇修饰的环糊精衍生物(CD—CHOL)以及偶氮苯修饰的聚丙烯酸化合物(PAA—Azo),通过气液界面组装成功制备了Langmuir膜,由表面压-分子面积等温线表征界面铺展行为,采用原子力显微镜(AFM)对单层Langmuir膜的形貌进行了表征,进一步通过紫外光谱、圆二色谱、红外光谱、X射线光电子能谱研究组装膜中环糊精与偶氮苯基团的自组装过程与主客体识别机理。实验结果表明,CD—CHOL在纯水亚相与PAA—Azo亚相表面形成稳定的Langmuir膜,同时环糊精与偶氮苯基团之间发生了主客体识别。本研究工作为环糊精衍生物界面组装与主客体识别相关研究提供了新的探索。
Cholesterol-modified beta-cyclodextrin derivative（ abbreviated as CD-CHOL） and the azobenzene-modified poly（ acrylic acid） compound（ abbreviated as PAA-Azo） have been designed and synthesized. And the Langmuir films have been successfully prepared by the interfacial self-assembly,which could be verified by the surface pressure-area isotherms. Atomic force microscopy was utilized to characterize the morphologies of Langmuir films. In addition,the process of self-assembly and host-guest recognition between cyclodextrin and azobenzene segments have been investigated by various methods,including UV-Vis,CD,FT-IR,and XPS spectra. The experimental data indicated that the CD-CHOL Langmuir films could be prepared stably both on pure water subphase and PAA-Azo subphase. At the same time,the molecules recognition occurred between cyclodextrin and azobenzene groups. The present research work would provide beneficial exploration for the research of interfacial self-assembly and host-guest recognition of cyclodextrin derivatives.
作者
高雅瑰
佟琦
孙舒鑫
张乐欣
焦体峰
GAO Yagui1,2, TONG Qi1,2, SUN Shuxin1,2, ZHANG Lexin1,2, JIAO Tifeng1,2(1. School of Environmental and Chemical Engineering , Yanshan University , Qinhuangdao , Hebei 066004, China;2.Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao, Hebei 066004, Chin)
出处
《燕山大学学报》
CAS
北大核心
2018年第2期145-150,共6页
Journal of Yanshan University
基金
国家自然科学基金资助项目(21473153)
河北省青年拔尖人才支持计划
中国博士后科学基金资助项目(2015M580214)
秦皇岛市科学技术研究与发展计划(201701B004)
关键词
LB膜
界面组装
环糊精衍生物
主客体识别
纳米结构
LB films
interfacial assembly
cyclodextrin derivative
host-guest recognition
nanostructure
