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Molecular response of the lipid headgroup to bilayer hydration monitored by 2H-NMR.

Abstract:

The effect of hydration on the conformation and dynamics of the phosphatidylcholine headgroup has been investigated by 2H-NMR measurements of liquid crystalline dioleoylphosphatidylcholine in multilamellar liposomes. Deuterium quadrupole splittings (delta nu Q) and spin-lattice relaxation rates (1/T1) were recorded for three selectively labeled headgroup segments (alpha, beta, and gamma) over the range of water/lipid mole ratios from 4 to 100. The smooth changes in delta nu Q and 1/T1 are fou...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MSD, Biochemistry
Role:
Author
Journal:
Biophysical journal
Volume:
66
Issue:
5
Pages:
1441-1449
Publication date:
1994-05-05
DOI:
EISSN:
1542-0086
ISSN:
0006-3495
URN:
uuid:09bab806-8d09-4fcf-bb0b-a687723a7c2b
Source identifiers:
422135
Local pid:
pubs:422135

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