An electron spin resonance study of non-ionic surfactant vesicles (niosomes)
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- 作者：Seongyeol Yeom ; Bong Seop Shin ; Sanghwa Han ; hansh@kangwon.ac.kr" class="auth_mail
- 关键词：Electron spin resonance ; Niosomes ; Sorbitan fatty esters (Span) ; Polysorbates (Tween) ; Polyethoxy fatty ethers (Brij)
- 刊名：Chemistry and Physics of Lipids
- 出版年：July 2014
- 年：2014
- 卷：181
- 期：Complete
- 页码：83-89
- 全文大小：1561 K
文摘
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This is the first report of electron spin resonance (ESR) spectra of Span, Tween, and Brij niosomes.
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Like phospholipid-based liposomes, unsaturation of fatty chain increases fluidity.
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Cholesterol increases fluidity of Span 80 but decreases that of Span 60 niosomes.
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ESR can monitor the hydration-induced transformation of proniosome gel into niosome.
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A large headgroup dramatically increases the fluidity near the headgroup as well as near the bilayer center.