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Principles of Membrane Transport

Handbook of Physiology, The Gastrointestinal System, Intestinal Absorption and Secretion

  1. David C. Dawson

Published Online: 1 JAN 2011

DOI: 10.1002/cphy.cp060401

Comprehensive Physiology

Comprehensive Physiology

How to Cite

Dawson, D. C. 2011. Principles of Membrane Transport. Comprehensive Physiology. 1–44.

Author Information

  1. Department of Physiology, University of Michigan Medical School, Ann Arbor, Michigan

Publication History

  1. Published Online: 1 JAN 2011

Abstract

The sections in this article are:

  • 1
    Transport Energetics
    • 1.1
      Cell Composition: Keeping Away From Equilibrium
    • 1.2
      Thermodynamic Taxonomy of Transport
    • 1.3
      Electrochemical Potential and Driving Force for Passive Transport
    • 1.4
      Units for Electrochemical Potential Difference
    • 1.5
      Nature of Driving Forces
    • 1.6
      Analysis of Transport: Uncovering Coupled Processes
    • 1.7
      Energetics of Coupled Transport
  • 2
    Transport Mechanisms
    • 2.1
      Tracer Flows
    • 2.2
      Equations of Motion for Solute Flow
    • 2.3
      Solubility-Diffusion Model
    • 2.4
      Ion Permeability of a Lipid Bilayer: Why We Have Ion Channels
    • 2.5
      Simplest Ion Channel: A Waterlike Pore
    • 2.6
      Toward More Realistic Models
    • 2.7
      Channel Gating
    • 2.8
      Carriers as Channels With Special Gating Properties
  • 3
    Ion Transport and Bioelectricity
    • 3.1
      Introduction to Equivalent Circuits and Two Forms of Ohm's Law
    • 3.2
      Sign Conventions for Voltage and Current
    • 3.3
      Voltage Clamping
    • 3.4
      Equivalent Circuits for Cell Membranes
    • 3.5
      Current-Voltage Relations: Ion Channels, Ion Conductance, and Cell Membrane
    • 3.6
      Effect of Pumps on Membrane Potential
    • 3.7
      Special Properties of Epithelial Cell Layers