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Weakened Hydrogen Bonds in Water Confined between Lipid Bilayers: The Existence of a Long‐Range Attractive Hydration Force
Author(s) -
Arsov Zoran,
Rappolt Michael,
Grdadolnik Joze
Publication year - 2009
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200900185
Subject(s) - hydrogen bond , chemistry , fourier transform infrared spectroscopy , spectroscopy , membrane , crystallography , chemical physics , lipid bilayer , molecule , chemical engineering , organic chemistry , biochemistry , physics , quantum mechanics , engineering
Stronger or weaker H‐bonds? H‐bonds in interlamellar water in partially hydrated lipid multibilayers are stronger with respect to bulk water. In contrast, the authors show by ATR–FTIR spectroscopy that the H‐bonds are weaker in multibilayers in excess water (see spectra). This finding is of biological relevance for water‐mediated phenomena in membranes.