期刊
RSC ADVANCES
卷 5, 期 118, 页码 97279-97288出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra16549k
关键词
-
资金
- DST, Government of India
- CSIR, New Delhi, India
A new fluorescent cholesterol molecular probe, 3-acetyl-7-(diethylamino)-2H-chromen-2-one attached cholesterol (Cum-Chl), has recently been introduced as a reporter of micro-heterogeneous media. The H-aggregate forming ability of Cum-Chl provides a useful fluorescence parameter, I-monomer/I-aggregate to understand the micro-polarity of anisotropic media. Pluronics are surfactant based polymeric anisotropic media having important applications in therapeutics. Being a sensitive indicator of pluronics micro-polarity I-monomer/I-aggregate can help in selecting pluronics for medicinal purposes. Additionally, temperature and concentration induced sol-gel transition of pluronics (P123, F127) have been successfully investigated by Cum-Chl using its I-monomer/I-aggregate value, along with other conventional fluorescence parameters. Finally, this molecular probe, Cum-Chl emerges as a good sensor of progressive polymeric association and micro-polarity of pluronics.
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