The Physics of Cell Membranes

Overview

Journal J Biol Phys

Specialty Biophysics

Date 2013 Jan 25

PMID 23345856

Citations 8

Authors

H G L Coster

Affiliations

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Abstract

An overview is given of the fundamental physics underlying the self-assembly, molecular organisation and electrical properties of the membranes that envelop living cells. These ultra thin (∼ 6 nm) membranes act as a diffusion barrier between the cell interior (cytoplasm) and the external medium. They consist basically of a bi-molecular film of lipid molecules in which are embedded functional proteins that perform a variety of functions, including energy transduction, signalling, transport of ions (and othermolecules), etc. Some examples are also presented of the fascinating and socially and commercially important applications of membrane biophysics.

Citing Articles

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Nanoscale mapping of dielectric properties based on surface adhesion force measurements.

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Microwave measurement of giant unilamellar vesicles in aqueous solution.

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The Effect of Cholesterol on the Dielectric Structure of Lipid Bilayers.

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