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Electrical Potentials in Biological Membrane Transport: Molecular Biology, Biochemistry and Biophysics Molekularbiologie, Biochemie und Biophysik, cartea 33

Autor E. Heinz
en Limba Engleză Paperback – 8 dec 2011
The material of this volume was originally planned to be incorporated in the preceding monograph Mechanics and Energetics of Biological Transport. A separate and coherent treatment ofthe variety of bioelectrical phenomena was considered preferable, mainly for didactic reasons. Usually, the biologist has to gather the principles of bioelectricity he needs from different sources and on different levels. The present book intends to provide these principles in a more uniform context and in a form adjusted to the problems of a biol­ ogist, rather than of a physicist or electrical engineer. The main emphasis is put on the molecular aspect by relating the bioelectrical phenomena, such as the membrane diffusion potentials, pump potentials, or redox potentials, to the properties of the membrane concerned, and, as far as pOSSible, to specific steps of transport and metabolism of ions and nonelectrolytes. Little space is devoted to the familiar and widely used representation of bioelectrical phe­ nomena in terms of electrical networks, of equivalent circuits with batteries, resistances, capacities etc. In order to elucidate the basic principles, the formal treatment is kept as simple as pOSSible, using highly Simplified models, based on biological systems. The corresponding equations are derived in two ways: kinetically, i. e. in terms of the Law of Mass Action, as well as energetically, i. e. , in terms of Nonequilibrium Thermodynamics.
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Specificații

ISBN-13: 9783642816772
ISBN-10: 3642816770
Pagini: 100
Ilustrații: X, 88 p. 1 illus.
Dimensiuni: 170 x 244 x 5 mm
Greutate: 0.17 kg
Ediția:Softcover reprint of the original 1st ed. 1981
Editura: Springer Berlin, Heidelberg
Colecția Springer
Seria Molecular Biology, Biochemistry and Biophysics Molekularbiologie, Biochemie und Biophysik

Locul publicării:Berlin, Heidelberg, Germany

Public țintă

Research

Cuprins

1 Origin of Electrical Potentials.- 1.1 Equilibrium Potentials.- 1.2 Membrane Diffusion Potentials.- 1.3 Electrogenic Pump Potentials.- 1.4 Membrane Potentials in Secondary Active Transport.- 1.5 Redox Potentials in Membrane Transport.- 2 Control of Electric Potentials — Maintenance and Modulation.- 2.1 Physiological Mechanisms.- 2.2 Experimental Modulations of PD.- 3 Some Problems Associated with the Measurement of Electric Membrane Potentials.- 3.1 General.- 3.2 Microelectrodes.- 3.3 Distribution of Passive Permeant Ions.- 3.4 Fluorescent Dyes.- 3.5 Other Membrane Probes.- References.