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Molecular Dynamics and Selectivity in Biomembranes

  • Anthony Watts
Part of the NATO ASI Series book series (NSSA, volume 133)

Abstract

A wide range of dynamic interactions take place within biological membranes. For example, photon incidence on the chromophore of rhodopsin induces electron transfer in picoseconds whereas lipid flip-flop across membranes, which is responsible for membrane asymmetry, takes place in hours, if not days. The task before the membrane spectroscopist is therefore to identify the correct approach suitable for the dynamic range of interest and then to relate the information gained to the function of the membrane. It is becoming clear that such function is determined by molecular interactions which involve recognition of many species for their neighbours (for example, proteins for lipids) and their substrate or substrates (ions, metabolites, etc.). It has been stated by Williams (1985) that the relationship:- is essential to all biological processes. To define and describe these relationships therefore requires detailed molecular information, partly available through spectroscopic means.

Keywords

Electron Spin Resonance Electron Spin Resonance Spectrum Acyl Chain Cytochrome Oxidase Quadrupole Splitting 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Anthony Watts
    • 1
  1. 1.Biochemistry DepartmentUniversity of OxfordOxfordUK

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