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用自旋探针和电子顺磁共振波谱法研究聚乙二醇/环糊精水凝胶。

Exploring polyethylene glycol/cyclodextrin hydrogels with spin probes and EPR spectroscopy.

机构信息

Institute of Physical Chemistry Ilie Murgulescu, 202 Splaiul Independentei, Bucharest, 060021, Romania.

出版信息

Chem Commun (Camb). 2010 Nov 21;46(43):8255-7. doi: 10.1039/c0cc02759f. Epub 2010 Oct 4.

DOI:10.1039/c0cc02759f
PMID:20890495
Abstract

Formation of organogels from covalently linked polyethylene glycols and cyclodextrins and their encapsulation/release properties were monitored with EPR spectroscopy using spin labels and spin probes; changes in molecular tumbling rates provided information on spin probe/label location inside the gel network, and molecular properties of the gel.

摘要

通过使用自旋标记和探针的电子顺磁共振(EPR)光谱学监测了通过共价键连接的聚乙二醇和环糊精形成的有机凝胶及其包封/释放性能;分子旋转速率的变化提供了有关凝胶网络内的自旋探针/标记位置以及凝胶的分子性质的信息。

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