期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 36, 页码 10621-10625出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201603676
关键词
hydrogen bonds; water-lipid interfaces; lipids; ultrafast spectroscopy; water dynamics
资金
- JSPS [JP25104005]
- Grants-in-Aid for Scientific Research [25104005] Funding Source: KAKEN
Interfacial water in the vicinity of lipids plays an important role in many biological processes, such as drug delivery, ion transportation, and lipid fusion. Hence, molecular-level elucidation of the properties of water at lipid interfaces is of the utmost importance. We report the two-dimensional heterodyne-detected vibrational sum frequency generation (2D HD-VSFG) study of the OH stretch of HOD at charged lipid interfaces, which shows that the hydrogen bond dynamics of interfacial water differ drastically, depending on the lipids. The data indicate that the spectral diffusion of the OH stretch at a positively charged lipid interface is dominated by the ultrafast (
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