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Dielectrophoresis: Theory, Methodology and Biological Applications

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en Limba Engleză Carte Hardback – 05 May 2017
Dielectrophoresis: Theory, Methodology and Biological Applications describes the significant advances in the theory, technology and biomedical applications of dielectrophoresis since Herbert Pohl′s seminal monograph of 1978. Taking an interdisciplinary approach, it covers aspects of the theory and practice of dielectrophoresis concerned with characterizing and manipulating cells and other bioparticles such as bacteria, viruses, proteins and nucleic acids. An introductory chapter places dielectrophoresis in context as a particle manipulator, and chapters are included to describe the dielectric properties of bioparticles and microfluidic concepts of relevance.
Applications described include:
  • Characterisation and Sorting of Stem Cells
  • Separation of Cancer Cells from Blood
  • Cell–based Drug Discovery
  • Diagnostics
  • Sensors for Biomedical Applications
  • Environmental Monitoring
This is a valuable resource for those studying bioelectronics, BIOMEMS, biophysics, biosensors, lab–on–chip technologies, microfluidics, particle analysis and separation, as well as for researchers working on the fundamentals of dielectrophoresis across a wide range of applications, both biological and non–biological. More formal and quantitative material is shown in text boxes for easy identification, while worked examples throughout the text assist student engagement with theory and practical modelling.
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Specificații

ISBN-13: 9781118671450
ISBN-10: 1118671457
Pagini: 448
Dimensiuni: 216 x 285 x 26 mm
Greutate: 1.18 kg
Editura: Wiley
Locul publicării: Chichester, United Kingdom

Public țintă

Relevant to postgraduate students in the physical sciences and engineering, taking courses, or entering PhD programmes, in biosensors,  lab–on–chip, bioelectronics, BIOMEMS, mTAS and microfluidics. Its interdisciplinary approach also makes it a resource for researchers without formal training in biology, who are engaged in academic or industrial projects where electrokinetic techniques are being applied in the development of biosensors and microfluidic devices for biomedical applications. It will also be appropriate for researchers trained in biology and the life sciences who will find key contents of the book accessible to them, so that they can engage with researchers working on the fundamentals, technologies and applications of dielectrophoresis across a wide range of biological and biomedical applications.

Textul de pe ultima copertă

Dielectrophoresis: Theory, Methodology and Biological Applications describes the significant advances in the theory, technology and biomedical applications of dielectrophoresis since Herbert Pohl′s seminal monograph of 1978. Taking an interdisciplinary approach, it covers aspects of the theory and practice of dielectrophoresis concerned with characterizing and manipulating cells and other bioparticles such as bacteria, viruses, proteins and nucleic acids. An introductory chapter places dielectrophoresis in context as a particle manipulator, and chapters are included to describe the dielectric properties of bioparticles and microfluidic concepts of relevance.
Applications described include:
  • Characterisation and Sorting of Stem Cells
  • Separation of Cancer Cells from Blood
  • Cell–based Drug Discovery
  • Diagnostics
  • Sensors for Biomedical Applications
  • Environmental Monitoring
This is a valuable resource for those studying bioelectronics, BIOMEMS, biophysics, biosensors, lab–on–chip technologies, microfluidics, particle analysis and separation, as well as for researchers working on the fundamentals of dielectrophoresis across a wide range of applications, both biological and non–biological. More formal and quantitative material is shown in text boxes for easy identification, while worked examples throughout the text assist student engagement with theory and practical modelling.

Cuprins

Index of Worked Examples xi
Preface xiii
Nomenclature xvii
1 Placing Dielectrophoresis into Context as a Particle Manipulator 1
1.1 Introduction 1
1.2 Characteristics of Micro–Scale Physics 2
1.3 Microfluidic Manipulation and Separation of Particles 3
1.4 Candidate Forces for Microfluidic Applications 4
1.5 Combining Dielectrophoresis with other Forces 25
1.6 Summary 26
1.7 References 27
2 How does Dielectrophoresis Differ from Electrophoresis? 31
2.1 Introduction 31
2.2 Electric Field 32
2.3 Electrophoresis 33
2.4 Induced Surface Charge and Dipole Moment 38
2.5 Dielectrophoresis 40
2.6 Summary 46
2.7 References 47
3 Electric Charges, Fields, Fluxes and Induced Polarization 49
3.1 Introduction 49
3.2 Charges and Fields 50
3.3 Gauss s Law 61
3.4 Induced Dielectric Polarization 71
3.5 Capacitance 73
3.6 DivergenceTheorem and Charge Density Relaxation Time 74
3.7 Summary 75
3.8 References 76
4 Electrical Potential Energy and Electric Potential 77
4.1 Introduction 77
4.2 Electrical Potential Energy 77
4.3 Electrical Potential 81
4.4 Electrostatic Field Energy 87
4.5 Summary 89
4.6 References 91
5 Potential Gradient, Field and Field Gradient; Image Charges and Boundaries 93
5.1 Introduction 93
5.2 Potential Gradient and Electrical Field 93
5.3 Applying Laplace s Equation 96
5.4 Method of Image Charges 110
5.5 Electric Field Gradient 112
5.6 Electrical Conditions at Dielectric Boundaries 114
5.7 Summary 116
5.8 References 117
6 The Clausius Mossotti Factor 119
6.1 Introduction 119
6.2 Development of the Clausius Mossotti Lorentz Relation 121
6.3 Refinements of the Clausius Mossotti Lorentz Relation 131
6.4 The Complex Clausius Mossotti Factor 134
6.5 Summary 141
6.6 References 143
7 Dielectric Polarization 145
7.1 Introduction 145
7.2 Electrical Polarization at the Atomic and Molecular Levels 145
7.3 Dipole Relaxation and Energy Loss 153
7.4 Interfacial Polarization 159
7.5 Summary 164
7.6 References 165
8 Dielectric Properties ofWater, Electrolytes, Sugars, Amino Acids, Proteins and Nucleic Acids 167
8.1 Introduction 167
8.2 Water 167
8.3 Electrolyte Solutions 172
8.4 Amino Acids and Proteins in Solution 179
8.5 Nucleic Acids 194
8.6 Summary 204
8.7 References 206
9 Dielectric Properties of Cells 213
9.1 Introduction 213
9.2 Cells: A Basic Description 213
9.3 Electrical Properties of Cells 214
9.4 Modelling the Dielectric Properties of Cells 222
9.5 Effect of Cell Surface Charge on Maxwell Wagner Relaxation 233
9.6 Dielectric Properties of Bacteria 236
9.7 Summary 239
9.8 References 241
10 Dielectrophoresis: Theoretical and Practical Considerations 245
10.1 Introduction 245
10.2 Inherent Approximations in the DEP Force Equation 245
10.3 Refinements of the DEP Force Equation 249
10.4 Electrodes: Fabrication, Materials and Modelling 281
10.5 The Second (High–Frequency) DEP Crossover Frequency (fxo2) 296
10.6 Summary 298
10.7 References 300
11 Dielectrophoretic Studies of Bioparticles 309
11.1 Introduction 309
11.2 DEP Characterization and Separation of Live and Dead Cells 309
11.3 Mammalian Cells 332
11.4 Bacteria 345
11.5 Other Cell Types (Plant, Algae, Oocytes, Oocysts) andWorms 347
11.6 Virions 351
11.7 Nucleic Acids and Proteins 356
11.8 Summary 369
11.9 References 370
12 Microfluidic Concepts of Relevance to Dielectrophoresis 381
12.1 Introduction 381
12.2 Gases and Liquids 381
12.3 Fluids Treated as a Continuum 384
12.4 Basic Fluid Statics and Fluid Dynamics 385
12.5 Navier Stokes Equations 392
12.6 Diffusion 394
12.7 Ionic (Electrical) Double Layer 397
12.8 Electro–osmosis 400
12.9 Summary 403
12.10 References 404
Appendices 405
A Values of Fundamental Physical Constants 405
B SIPrefixes 405
C The Base Quantities in the SI System of Units 405
D Derived Physical Quantities, their Defining Equation or Law and Dimensions 405
E Diffusion Coefficients for Molecules and Ions inWater at 298 K 406
F Diffusion Coefficients for Bio–Particles inWater at 293 K 406
G Viscosity and Surface Tension Values for Liquids at 293 K 406
H Activity Coefficients for Common Compounds that Dissociate into Ions in Solution 406
I Electrical Mobility of Ions at 25 C in Dilute Aqueous Solution 406
J Buffering Systems and their pH Buffering Range 406
K Composition of 1 L of Human Blood 407
L Blood Cells, Platelets and Some Pathogenic Bioparticles 407
Author Index 411
Subject Index 423

Notă biografică

Ronald Pethig
Emeritus Professor of Bioelectronics, The University of Edinburgh, UK