Biophysical Chemistry of Biointerfaces

by Hiroyuki Ohshima (Tokyo University of Science, Japan )

• ISBN13: 9780470630624
• ISBN10: 0470630620
• Format: eBook
• Copyright: 2010-07-01
• Publisher: Wiley

Table of Contents

Potential and charge at interfaces

Potential and charge of a hard particle

Introduction

The Poisson-Boltzmann Equation

Plate

Sphere

Cylinder

Asymptotic behavior of potential and effective surface potential

Nearly spherical particle

References

Potential distribution around a non-uniformly charged surface and discrete charge effects

Introduction

The Poisson-Boltzmann equation for a surface with an arbitrary fixed surface charge distribution

Discrete charge effect

References

Modified Poisson-Boltzmann equation

Introduction

Electrolyte solution containing rod-like divalent cations

Electrolyte solution containing rod-like zwitterions

Self-atmosphere potential of ions

References

Potential and charge of a soft particle

Introduction

Planar soft surface

Spherical soft particle

Cylindrical soft particle

Asymptotic behavior of potential and effective surface potential of a soft particle

Non-uniformly charged surface layer: isoelectric point

References

Free energy of a charged surface

Introduction

Helmholtz free energy and tension of a hard surface

Calculation of the free energy of the electrical double layer

Alternative expression for Fel

Free energy of a soft surface

References

Potential distribution around a charged particle in a salt-free medium

Introduction

Spherical particle

Cylindrical particle

Effects of a small amount of added salts

Spherical soft particle

References

Interaction between surfaces

Electrostatic interaction of point charges in an inhomogeneous medium

Introduction

Planar geometry

Cylindrical geometry

References

Force and potential energy of the double layer interaction between two charged colloidal particles

Introduction

Osmotic pressure and Maxwell stress

Direct calculation of interaction force

Free energy of double layer interaction

Alternative expression for the electric part of the free energy of double layer interaction

Charge regulation model

References

Double layer interaction between two parallel similar plates

Introduction

Interaction between two parallel similar plates

Low potential case

Arbitrary potential case

Comparison between the theory of Derjaguin and Landau and theory of Verwey and Overbeek

Approximate analytic expressions for moderate potentials

Alternative method of linearization of the Poisson-Boltzmann equation

References

Electrostatic interaction between two parallel dissimilar plates

Introduction

Interaction between two parallel dissimilar plates

Low potential case

Arbitrary potential: Interaction at constant surface charge density

Approximate analytic expressions for moderate potentials

References

Linear superposition approximation for the double layer interaction of particles at large separations

Introduction

Two parallel plates

Two spheres

Two cylinders

References

Derjaguin's approximation at small separations

Introduction

Two spheres:

Two parallel cylinders

Two crossed cylinders

References

Donnan-potential regulated interaction between porous particles

Introduction

Two parallel semi-infinite ion-penetrable membranes (porous plates)

Two porous spheres

Two parallel porous cylinders

Two parallel membranes with arbitrary potentials

pH dependence of electrostatic interaction between ion-penetrable membranes

Series expansion representations for the double layer interaction between two particles

Introduction

Schwartz's method

Two spheres

Plate and sphere

Two parallel cylinders

Plate and cylinder

References

Electrostatic interaction between soft particles

Introduction

Interaction between two parallel dissimilar soft plates

Interaction between two dissimilar soft spheres

Interaction between two dissimilar soft cylinders

References

Electrostatic interaction between non-uniformly charged membranes

Introduction

Basic equations

Interaction force

Isoelectric points with respect to electrolyte concentration

References

Electrostatic repulsion between two parallel soft plates after their contact

Introduction

Repulsion between intact brushes

Repulsion between compressed brushes

References

Electrostatic interaction between ion-penetrable Membranes in a salt-free medium

Introduction

Two parallel hard plates

Two parallel ion-penetrable membranes

References

van der Waals interaction between two particles

Introduction

Two molecules

A molecule and a plate

Two parallel plates

A molecule and a sphere

Two spheres

A molecule and a rod

Two parallel rods

A molecule and a cylinder

Two parallel cylinders

Two crossed cylinders

Two parallel rings

Two parallel torus-shaped particles

Two particles immersed in a medium

Two parallel plates covered with surface layers

References

DLVO theory of colloid stability

Introduction

Interaction between lipid bilayers

Interaction between soft spheres

References

Electrokinetic phenomena at interfaces

Electrophoretic mobility of soft particles

Introduction

Brief summary of electrophoresis of hard particles

General theory of electrophoretic mobility of soft particles

Analytic approximations for the electrophoretic mobility of spherical soft particles

Electrokinetic flow between two parallel soft plates

Soft-particle analysis of the electrophoretic mobility of biological cells and their model particles

Electrophoresis of nonuniformly charged soft particles

Other topics of electrophoresis of soft particles

References

Electrophoretic mobility of concentrated soft particles

Introduction

Electrophoretic mobility of concentrated soft particles

Electroosmotic velocity in an array of soft cylinders

References

Electrical conductivity of a suspension of soft particles

Introduction

Basic equations

Electrical conductivity

References

Sedimentation potential and velocity in a suspension of soft Particles

Introduction

Basic equations

Sedimentation velocity of a soft particle

Average electric current and potential

Sedimentation potential

Onsager's reciprocal relation

Diffusion coefficient of a soft particle

References

Dynamic electrophoretic mobility of a soft particle

Introduction

Basic equations

Linearized equations

Equation of motion of a soft particle

General mobility expression

Approximate mobility formula

References

Colloid vibration potential in a suspension of soft particles

Introduction

Colloid vibration potential and ion vibration potential

References

Effective viscosity of a suspension of soft particles

Introduction

Basic equations

Linearized equations

Electroviscous coefficient

Effective viscosity of a concentrated suspension of uncharged porous spheres

Appendix

References

Other topics

Membrane potential and Donnan potential

Introduction

Membrane potential and Donnan potential

References

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