力谱学
共聚物
两亲性
聚合物
硒
PEG比率
胶束
化学
化学工程
分子
高分子化学
硒化物
有机化学
水溶液
经济
工程类
财务
作者
Xinxin Tan,Ying Yu,Kai Li,Huaping Xu,Dongsheng Li,Zhiqiang Wang,Xi Zhang
出处
期刊:Langmuir
[American Chemical Society]
日期:2012-06-04
卷期号:28 (25): 9601-9605
被引量:45
摘要
Selenium-containing polymers are a new type of responsive polymer material. Here, a selenium-containing amphiphilic block copolymer (PEG-PUSe-PEG) has been investigated using atomic force microscopy (AFM)-based single-molecule force spectroscopy (SMFS). The deviation between force–extension curves of PEG-PUSe-PEG in water and in DMSO is found to be related to the disassembly of the micellar structures in water. SMFS experiments on PEG-PUSeox-PEG suggest that the change from selenide to oxidized selenone contributes significantly to the change in amphiphilicity, without obviously influencing the single-chain elasticity.
科研通智能强力驱动
Strongly Powered by AbleSci AI