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  • 1
    Online Resource
    Online Resource
    Milton :Taylor & Francis Group,
    Keywords: Liquid-liquid interfaces. ; Momentum transfer. ; Electrophoresis. ; Viscoelasticity. ; Emulsions. ; Electronic books.
    Description / Table of Contents: Not only is this the first text devoted to electroviscoelasticity, but it also describes a new theory developed through the authors' research. This theory is likely to impact other research and applications as the modeling of liquid-liquid interfaces is key to numerous chemical manufacturing processes including those for emulsions, suspensions, nanopowders, foams, biocoloids, and plasmas. As the authors cover phenomena at the micro, nano, and atto-scales, their techniques as well as their data will be of particular interest to nanoscientists. The authors provide substantial data to support their theory and consider its implications especially with regard to the breaking of emulsions.
    Type of Medium: Online Resource
    Pages: 1 online resource (196 pages)
    Edition: 1st ed.
    ISBN: 9781439803530
    DDC: 660.2972
    Language: English
    Note: Front cover -- Contents -- Preface -- Acknowledgments -- Symbols -- Chapter 1. Introduction -- Chapter 2. General -- Chapter 3. Particular -- Chapter 4. Experimental -- Chapter 5. Conclusions -- Chapter 6. Electrophoresis -- References -- Author Index -- Subject Index -- Back cover.
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  • 2
    Online Resource
    Online Resource
    Milton :Taylor & Francis Group,
    Keywords: Colloids - Transport properties. ; Electronic books.
    Description / Table of Contents: This comprehensive reference describes recent developments in the science and engineering of finely dispersed particles and related systems. Experts provide an interdisciplinary approach to the elucidation of the heat, mass, and momentum transfer phenomena as well as electron transfer phenomena. The book explores hydrodynamic, electrodynamic, and thermodynamic instabilities that occur at interfaces. It also discusses the properties responsible for the existence of droplets, particles, and droplet-particle-film structures. Addressing numerous applications, the text covers homo-aggregate and hetero-aggregate finely dispersed systems on the mili-, micro-, nano-, and atto-scales.
    Type of Medium: Online Resource
    Pages: 1 online resource (936 pages)
    Edition: 1st ed.
    ISBN: 9781420027662
    DDC: 620.5
    Language: English
    Note: Front cover -- Preface -- Editors -- Acknowledgment -- Contributors -- Table of Contents -- Part I -- 1 Classification of Finely Dispersed Systems -- I. CHEMICAL ENGINEERING AND SCALES - MACRO, MICRO, NANO, AND ATTO -- II. NANO CONTINUA, DISCONTINUA, AND SPACES OF INTERACTIONS -- III. GENERAL COMMENTS RELATED TO THE NEW CLASSIFICATION OF FINELY DISPERSED SYSTEMS A. RESEARCH PHILOSOPHY -- ACKNOWLEDGMENT -- REFERENCES -- Part II -- Overview -- 2 Charged Particles and Droplets - Overview -- I. INTRODUCTION -- II. GENERAL MOBILITY EXPRESSION -- III. MOBILITY EXPRESSION CORRECT TO ORDER (HENRY'S FORMULA) -- IV. MOBILITY EXPRESSION CORRECT TO ORDER 1/ -- V. MOBILITY EXPRESSION CORRECT TO ORDER -- VI. LIMITING MOBILITY OF HIGHLY CHARGED PARTICLES -- VII. LIQUID DROPS -- VIII. GENERAL MOBILITY EXPRESSION FOR SOFT PARTICLES -- IX. CHARGED-POLYMER-COATED PARTICLE -- X. UNCHARGED-POLYMER-COATED PARTICLE -- XI. ELECTROPHORETIC MOBILITY IN SALT-FREE MEDIA -- REFERENCES -- 3 Electrokinetic Phenomena in Suspensions -- I. INTRODUCTION -- II. THE ELECTRICAL DOUBLE LAYER AROUND A COLLOID PARTICLE -- III. ELECTROKINETIC PHENOMENA AND THE ZETA POTENTIAL -- IV. ELECTROPHORESIS -- V. SEDIMENTATION POTENTIAL (DORN EFFECT) -- VI. DIELECTROPHORESIS -- VII. LOW-FREQUENCY DIELECTRIC DISPERSION OF SUSPENSIONS -- VIII. ELECTROACOUSTIC PHENOMENA -- IX. ELECTROKINETICS OF NONRIGID PARTICLES -- X. DYNAMIC STERN LAYER AND ELECTROKINETIC PHENOMENA -- ACKNOWLEDGMENTS -- REFERENCES -- 4 Emulsions: Overview -- I. INTRODUCTION -- II. PHYSICAL CHARACTERISTICS OF EMULSIONS -- III. MAKING AND STABILIZING EMULSIONS -- IV. EMULSION SEPARATION AND BREAKING -- V. APPLICATIONS -- ACKNOWLEDGMENT -- REFERENCES -- 5 Hydrodynamics and Heat or Mass Transfer in Finely Dispersed Systems -- I. INTRODUCTION -- II. GOVERNING EQUATIONS -- III. TRANSPORT AT LOW REYNOLDS NUMBERS. , IV. TRANSPORT AT HIGHER REYNOLDS NUMBERS -- V. CONCLUSION -- REFERENCES -- Various Approaches and Transitions -- 6 Interactions of Nanostructured Fillers with Polymer Networks - Transition from Nano- to Macroscale -- I. INTRODUCTION -- II. THE SCALING THEORIES AND INTERFACIAL INTERACTIONS -- III. TRANSITIONS AND SELF-CONSISTENT FIELDS PHILOSOPHY -- IV. HYPERELASTICITY PHENOMENOLOGY AND REINFORCEMENT -- V. THEORIES OF RUBBER REINFORCEMENT - A BRIEF REVIEW OF THE PREVIOUS WORK -- VI. THE UNSOLVED PROBLEMS AND SOME PARADOXES -- VII. THE THEORY OF RUBBER REINFORCEMENT - A NOVEL APPROACH -- VIII. EXPERIMENTAL IMPLICATIONS -- IX. CONCLUSIONS -- REFERENCES -- 7 Atomic Scale Imaging of Oscillation and Chemical Waves at Catalytic Surface Reactions: Experimental and Statistical Lattice Models -- I. INTRODUCTION -- II. CATALYTIC CO OXIDATION -- III. OSCILLATIONS AND CHEMICAL WAVES -- IV. MATHEMATICAL MODELING -- V. SUMMARY AND CONCLUSIONS -- ACKNOWLEDGMENT -- REFERENCES -- 8 Characterization of the Catalysts by Means of an Oscillatory Reaction -- I. INTRODUCTION -- II. OSCILLATORY CHEMICAL REACTION -- III. BRAY-LIEBHAFSKY OSCILLATORY REACTION -- IV. EXAMINATIONS OF CATALYSTS USING THE BRAY-LIEBHAFSKY REACTION AS THE MATRIX SYSTEM -- V. CONCLUSION -- ACKNOWLEDGMENTS -- REFERENCES -- 9 The Polymer Conformational Stability and Transitions: A Quantum Decoherence Theory Approach -- I. INTRODUCTION -- II. THE PROBLEM -- III. NEW APPROACH: THE CLUE -- IV. THE FUNDAMENTALS OF THE DECOHERENCE THEORY -- V. NEW APPROACH -- VI. DISCUSSION -- VII. CONCLUSION -- REFERENCES -- 10 Reality and Compatibility of Physical and Mathematical Formalisms -- I. INTRODUCTION -- II. INTERFACE IN PROBLEMS OF CONTINUUM PHYSICS -- III. BASIC NOTION OF GEOMETRY AND KINEMATICS OF SURFACE -- IV. MATERIAL DISPLACEMENT DERIVATIVE -- V. THE THEORY OF SINGULAR SURFACES. , VI. BALANCE LAWS OF BULK MATERIAL AND INTERFACE -- VII. CONCLUSION -- ACKNOWLEDGMENT -- REFERENCES -- TOOLS -- 11 Nonlinear Frequency Response Method for Investigation of Equilibria and Kinetics of Adsorption Systems -- I. INTRODUCTION -- II. NLFR OF AN IDEALLY MIXED ADSORBER -- III. LIBRARY OF THEORETICAL PARTICLE FRFs -- IV. ESTIMATION OF EQUILIBRIUM PARAMETERS FROM THE PARTICLE FRFS -- V. ESTIMATION OF KINETIC PARAMETERS FOR SIMPLE KINETIC MODELS -- VI. NLFR OF A CHROMATOGRAPHIC COLUMN -- VII. CONCLUSIONS -- REFERENCES -- 12Current Principles of Mixing -- I. INTRODUCTION -- II. SCALE UP/SCALE DOWN -- III. EFFECT OF CIRCULATION TIME AND SPECTRUM OF SHEAR RATES ON 10 MIXING TECHNOLOGIES A. GAS-LIQUID DISPERSIONS -- IV. COMPUTATIONAL FLUID DYNAMICS -- REFERENCES -- 13Quantification of Visual Information -- I. INTRODUCTION -- II. WHAT DO WE SEE? -- III. DATA ACQUISITION -- IV. CHAOS AND FRACTALS -- V. CONCLUSION -- ACKNOWLEDGMENTS -- REFERENCES -- Part III -- Emulsions -- 14 Non-Newtonian Effects on Particle Size in Mixing Systems -- 15 Theory of Electroviscoelasticity -- I. INTRODUCTION -- II. THEORY: STRUCTURE -- III. THEORY OF ELECTROVISCOELASTICITY: DYNAMICS -- IV. CONCLUSIONS -- ACKNOWLEDGMENTS -- REFERENCES -- 16 Production of Monodispersed Emulsions Using Shirasu Porous Glass Membranes -- I. INTRODUCTION -- II. SPG MEMBRANE -- III. MEMBRANE EMULSIFICATION -- ACKNOWLEDGMENTS -- REFERENCES -- Dispersoids -- 17 Mechanochemical Treatment of Inorganic Solids: Solid-Solid Fine Dispersions -- I. INTRODUCTION -- II. MECHANICAL ALLOYING -- III. MILLS AND RELEVANT MILLING PARAMETERS -- IV. STRUCTURAL CHANGES DURING MECHANOCHEMICAL TREATMENT -- V. MECHANOCHEMICAL REACTIONS -- VI. KINETICS OF MECHANOCHEMICAL REACTIONS -- VII. SUBSEQUENT HEAT TREATMENT OF THE MECHANOCHEMICALLY SYNTHESIZED POWDERS -- VIII. POWDER CONTAMINATION. , IX. EXAMPLES OF THE MATERIALS SYNTHESIZED BY MECHANOCHEMICAL TREATMENT -- X. CONCLUSIONS -- ACKNOWLEDGEMENT -- REFERENCES -- APPENDIX A: GLOSSARY OF TERMS USED IN MECHANOCHEMISTRY -- BIBLIOGRAPHY -- 18 Liquid-Liquid Dispersions -- 19 Reactive Extraction in Electric Fields -- I. INTRODUCTION -- II. EXTRACTION SYSTEMS -- III. REACTIVE EQUILIBRIA -- IV. REACTIVE MASS TRANSFER -- V. LIQUID-LIQUID HYDRODYNAMICS IN ELECTRIC FIELDS -- VI. SUMMARY -- ACKNOWLEDGMENTS -- REFERENCES -- Part IV -- Foams -- 19 Gas Bubbles within Electric Fields -- I. INTRODUCTION -- II. MEASUREMENT OF THE POTENTIAL OF BUBBLES -- III. EXPERIMENTAL RESULTS AND PROSPECTS -- IV. ON THE ORIGIN OF THE POTENTIAL OF BUBBLES -- V. CONCLUSIONS -- REFERENCES -- Fluosols -- 20 Structures and Substructures in Spray Pyrolysis Process: Nanodesigning -- I. INTRODUCTION -- II. GENERAL APPROACH TO THE SPRAY PYROLYSIS PROCESSES -- III. DESIGNING STRUCTURES IN SPRAY PYROLYSIS UNDER THE ACTION OF ULTRASONIC FIELDS -- IV. EXPERIMENTAL RESULTS: STRUCTURES AND SUBSTRUCTURES IN DIFFERENT CERAMIC SYSTEMS -- V. GENERAL APPROACH TO THE DESIGNING OF STRUCTURES AND SUBSTRUCTURES IN THE PRESENCE OF OTHER PERIODICAL PHYSICAL FIELDS -- VI. CONCLUSION -- REFERENCES -- Polymer Membranes -- 21 Transfer Phenomena Through Polymer Membranes -- I. INTRODUCTION -- II. MECHANISMS OF MEMBRANE TRANSPORT -- III. MASS TRANSFER MODELING OF MEMBRANE PROCESS -- IV. CONCLUSION -- NOTATIONS -- REFERENCES -- Multiphase Dispersed Systems -- 22 Gas-Flowing Solids-Fixed Bed Contactors -- I. INTRODUCTION -- II. FLUID DYNAMICS -- III. MATHEMATICAL MODELING -- IV. FLOW PATTERN AND CONTACTING -- V. HEAT TRANSFER -- VI. MASS TRANSFER -- VII. APPLICATIONS -- VIII. CONCLUSIONS -- NOMENCLATURE -- REFERENCES -- 23 Reaction and Capillary Condensation in Dispersed Porous Particles -- I. INTRODUCTION -- II. POSSIBLE FEATURES AND EFFECTS. , III. MASS TRANSFER IN PELLETS -- IV. REACTION KINETICS -- V. TRANSIENT REGIMES -- VI. CATALYST DEACTIVATION -- VII. CAPILLARY CONDENSATION IN INDUSTRIAL PROCESSES -- VIII. CONCLUDING REMARKS -- NOTATIONS -- REFERENCES -- 24 Particle Production Using Supercritical Fluids -- I. PROPERTIES OF SUPERCRITICAL GASES -- II. NANOSCALE PARTICLE PREPARATION -- III. AEROGELS AND SOL-GEL PROCESSING -- REFERENCES -- Part V -- Biocolloids -- 25 Effects of Electrical Field on the Behavior of Biological Cells -- I. INTRODUCTION -- II. FIXED CHARGE -- III. ELECTROSTATIC POTENTIAL DISTRIBUTION -- IV. PHENOMENA RELATED TO BIOLOGICAL CELLS -- REFERENCES -- 26 Modeling Mesoscopic Fluids with Discrete-Particles - Methods, Algorithms, and Results -- I. INTRODUCTION -- II. DISCRETE-PARTICLES: ALGORITHMS AND METHODS -- III. COMPUTATIONAL ASPECTS OF DISCRETE-PARTICLE SIMULATIONS -- IV. COLLOIDAL DYNAMICS MODELED BY DISCRETE-PARTICLES -- V. A CONCEPT OF PROBLEM-SOLVING ENVIRONMENT FOR DISCRETE-PARTICLE SIMULATIONS -- VI. CONCLUDING REMARKS -- ACKNOWLEDGMENTS -- REFERENCES -- 27 Nonlinear Dynamics of DNA Chain - Peyrard-Bishop- Dauxois Model -- I. INTRODUCTION -- II. DNA DYNAMICS -- III. CONCLUSION -- ACKNOWLEDGEMENT -- REFERENCES -- 28 Surface Modification of Dispersed Phases Designed for In Vivo Removal of Overdosed Toxins -- I. SYNOPSIS -- II. INTRODUCTION -- III. OIL-IN-WATER MICROEMULSION STUDIES -- IV. SURFACE MODIFIED PARTICLE TOXIN RECEPTOR STUDIES -- V. IN VITRO AND IN VIVO EFFECTIVENESS OF DISPERSED PHASE WITH -- VI. MICROEMULSIONS REVISITED -- VII. CONCLUSIONS AND PATH FORWARD -- ACKNOWLEDGMENTS -- REFERENCES -- 29 Carbon Nanocapsules and Nuclear Applications -- I. INTRODUCTION -- II. POLYHEDRICAL NANOCAPSULES -- III. ROUNDED CONCENTRIC STRUCTURES -- IV. FORMATION KINETICS -- V. PURIFICATION AND BIOLOGICAL COVERAGE -- VI. NUCLEAR APPLICATIONS -- REFERENCES. , 30 Bioencapsulation in Polymer Micro- and Nanocarriers and Applications in Biomedical Fields.
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  • 3
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 111 (1999), S. 4807-4816 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The classic Göuy–Chapman theory is modified to describe the electrical potential distribution in an ion-penetrable charged membrane by taking the sizes of the charged species into account. We show that for a negatively charged membrane, if the density of fixed charge is low, a reverse in electrical potential may occur if cations are smaller than both anions and fixed groups. Also, only one plane of zero charge (PZC) exists. If a membrane is positively charged, there may exist zero to two PZC, depending upon the fixed charge density and the relative magnitudes of anions and fixed groups. Under a critical condition determined mainly by the sizes of the charged species, a unique PZC exists in the inner plane of fixed charge. The present model is capable of explaining why microorganisms can adjust the degree of dissociation of the ionogenic groups in their cell membranes to absorb nutritive ingredients and to shun toxic species by fluctuations in the extent to which specific ions penetrate the membranes. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 112 (2000), S. 6404-6410 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The electrophoretic behavior of spherical colloidal particles is modeled theoretically. The classic analysis is extended to the case of a concentrated dispersion in which the double layer surrounding a particle can assume an arbitrary thickness, and the effect of double-layer polarization is taken into account. Also, the surface of a particle is charge regulated, which leads to a general mixed-type boundary condition, and simulates entities bearing dissociable functional groups such as biological cells and particles with a membrane layer. We show that the absolute surface potential decreases with the increase in κa, κ and a are, respectively, the reciprocal Debye length and the radius of a particle. The variation of the absolute electrophoretic mobility as a function of κa is found to have a local maximum. The higher the surface potential the more significant the effect of double-layer polarization, and it becomes insignificant if κa approaches infinity. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 111 (1999), S. 2657-2664 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The induction period, tind, of CaCO3 precipitated from an aqueous CaCl2–Na2CO3 solution is investigated both experimentally and theoretically. The tind of primary nucleation is measured by applying a conductivity method and estimated by using the rapid coagulation theory. By using a novel data acquisition system in the experiment, tind can be easily estimated from the desupersaturation curve, which is a plot of solution conductivity against time. The desupersaturation curves obtained at various levels of supersaturation reveal the important features at different desupersaturation stages, including clusters coagulation, formation of critical nuclei, growth of critical nuclei, detection of visible crystals and equilibrium stage. These individual stages are affected greatly by the initial supersaturation of solution. An oscillation in conductivity, which arises from the fluctuation of solution concentration, is observed between tind and tv, tv being the instant that visible crystals are detected. A comparison between theoretical and experimental results, which include the data obtained in this study and those reported in the literature, shows that the present model is satisfactory for a wide range of supersaturation, and unifies the homogeneous and heterogeneous mechanisms of nucleation. The results also imply that the interparticle forces between clusters are important for the formation of critical nuclei in the primary nucleation regime. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 110 (1999), S. 11643-11651 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The sedimentation behavior of a concentrated suspension of charged spherical particles is investigated theoretically. The sedimentation potential is evaluated taking the effect of double layer polarization into account. A cell model is adopted to describe the present multientities system, and a pseudospectral numerical scheme is used to solve the governing electrokinetic equations, which comprise a Navior–Stokes equation for flow field and a Poisson equation for electric field. Several interesting phenomena, which are absent if double layer polarization is neglected, are observed. For example, the ratio (E*/U*), E*, and U* being, respectively, the scaled sedimentation potential and the scale velocity, has a minimum if the electrical potential is low, and has a maximum if it is high. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 110 (1999), S. 25-33 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: A systematic approach is proposed for the derivation of the electrical interaction energy between two charged entities under a general surface condition. The analysis provides necessary information which facilitates the description of various phenomena of practical significance such as the adsorption of particles to surfaces, boundary effect on the electrophoretic behavior of a colloidal particle, and the behavior of a dispersed phase, e.g., its stability and phase transition. Four examples are provided to justify the applicability of the present method: a sphere and a planar surface, a sphere in a planar slit, a sphere in a spherical pore, and a sphere in a cylindrical pore. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 102 (1995), S. 1806-1815 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The Poisson–Boltzmann equation governing the electrostatic potential distribution of an ion-penetrable particle immersed in an arbitrary a:b electrolyte solution is discussed. The particle, which mimics biological cells and some artificial membranes, carries nonuniformly distributed fixed charges. Three types of particle, including planar, cylindrical, and spherical, and two classes of nonuniform fixed charge distributions are investigated. These distributions all yield the same amount of fixed charges in the membrane phase, which is independent of the geometry of a particle. Under the condition that the potential is low, the exact distribution of the electrostatic potential and the free energy of the system under consideration are derived. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 104 (1996), S. 242-247 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The Poisson–Boltzmann equation governing the electrostatic potential distribution for a charged surface immersed in an electrolyte solution is discussed. The conventional analysis on a constant potential/charge density problem is extended to a mixed boundary condition problem in which a linear combination of potential and its derivative is specified at the charged surface. We show that the difficulty of solving this type of problem can be circumvented by adopting a finite dimension, least square approximation method coupled by a random selection algorithm. The solution procedure provides an efficient and accurate way for the estimation of the unknown coefficients in the general solution of a linearized Poisson–Boltzmann equation. It is essentially independent of the geometry of a charged surface and the type of boundary condition specified, as long as the general solution can be expressed as a linear combination of harmonic functions. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 103 (1995), S. 465-473 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The electrostatic interactions between spherical particles suspended in an electrolyte solution is analyzed. The surfaces of these particles are coated with an ion-penetrable membrane, which bears nonuniformly distributed fixed charges. We consider two classes of fixed charge distributions; these distributions all yield the same amount of total fixed charges in the membrane phase. The exact solution to the governing Poisson–Boltzmann equation is derived for the case the potential of the system under consideration is low. Based on this solution, the stability ratio and the critical coagulation concentration of a dispersed system are estimated. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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