Orientation and frequency dependence of the deuterium spin-lattice relaxation in multilamellar phospholip1d dispersions: implications for dynamic models of membrane structure

Michael F Brown, James H. Davis

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Rapid lateral diffusion of phospholipid molecules in multilamellar dispersions is shown to prevent the observation, in powder pattern spectra, of the orientation dependence of 2H nuclear magnetic spin-lattice relaxation. The spin-lattice relaxation rate is found to have a frequency dependence suggestive of collective director fluctuations.

Original languageEnglish (US)
Pages (from-to)431-435
Number of pages5
JournalChemical Physics Letters
Volume79
Issue number3
DOIs
StatePublished - May 1 1981
Externally publishedYes

Fingerprint

membrane structures
Membrane structures
Spin-lattice relaxation
Deuterium
Dispersions
dynamic models
spin-lattice relaxation
deuterium
Dynamic models
Powders
Phospholipids
Molecules
molecules

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

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abstract = "Rapid lateral diffusion of phospholipid molecules in multilamellar dispersions is shown to prevent the observation, in powder pattern spectra, of the orientation dependence of 2H nuclear magnetic spin-lattice relaxation. The spin-lattice relaxation rate is found to have a frequency dependence suggestive of collective director fluctuations.",
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T2 - implications for dynamic models of membrane structure

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AU - Davis, James H.

PY - 1981/5/1

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AB - Rapid lateral diffusion of phospholipid molecules in multilamellar dispersions is shown to prevent the observation, in powder pattern spectra, of the orientation dependence of 2H nuclear magnetic spin-lattice relaxation. The spin-lattice relaxation rate is found to have a frequency dependence suggestive of collective director fluctuations.

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