Koji Asami
- Published in print:
- 2015
- Published Online:
- August 2015
- ISBN:
- 9780199686513
- eISBN:
- 9780191766398
- Item type:
- chapter
- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780199686513.003.0013
- Subject:
- Physics, Soft Matter / Biological Physics
Radiofrequency dielectric properties of cell suspensions provide rich information on the structural and electrical properties of cells. Cell suspensions show α-and β-dispersions, which usually appear ...
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Radiofrequency dielectric properties of cell suspensions provide rich information on the structural and electrical properties of cells. Cell suspensions show α-and β-dispersions, which usually appear below and above 10 kHz, respectively. For the β-dispersion, the theoretical models of cells presented in Chapter 1.2 are overviewed, in order to illustrate their relevance and appropriateness to various types of cells. Next, the chapter considers problems in estimating the electrical parameters of the cell components including the plasma membrane and the cytoplasm from the β-dispersion. At the end this chapter discusses the membrane properties and conditions (i.e., surface charges, membrane folding, membrane disruption, and mobile charges in the membrane) that provide possible polarization mechanisms responsible for the α-dispersion.Less
Radiofrequency dielectric properties of cell suspensions provide rich information on the structural and electrical properties of cells. Cell suspensions show α-and β-dispersions, which usually appear below and above 10 kHz, respectively. For the β-dispersion, the theoretical models of cells presented in Chapter 1.2 are overviewed, in order to illustrate their relevance and appropriateness to various types of cells. Next, the chapter considers problems in estimating the electrical parameters of the cell components including the plasma membrane and the cytoplasm from the β-dispersion. At the end this chapter discusses the membrane properties and conditions (i.e., surface charges, membrane folding, membrane disruption, and mobile charges in the membrane) that provide possible polarization mechanisms responsible for the α-dispersion.
Jaakko Malmivuo and Robert Plonsey
- Published in print:
- 1995
- Published Online:
- March 2012
- ISBN:
- 9780195058239
- eISBN:
- 9780199847839
- Item type:
- book
- Publisher:
- Oxford University Press
- DOI:
- 10.1093/acprof:oso/9780195058239.001.0001
- Subject:
- Neuroscience, Techniques
This book looks at the application of engineering science and technology to biological cells and tissues that are electrically conducting and excitable. It describes the theory and a wide range of ...
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This book looks at the application of engineering science and technology to biological cells and tissues that are electrically conducting and excitable. It describes the theory and a wide range of applications in both electric and magnetic fields. The similarities and differences between bioelectricity and biomagnetism are described in detail from the viewpoint of lead field theory. This book aims to help with the understanding of the properties of existing bioelectric and biomagnetic measurements and stimulation methods, and to aid with the designing of new systems.Less
This book looks at the application of engineering science and technology to biological cells and tissues that are electrically conducting and excitable. It describes the theory and a wide range of applications in both electric and magnetic fields. The similarities and differences between bioelectricity and biomagnetism are described in detail from the viewpoint of lead field theory. This book aims to help with the understanding of the properties of existing bioelectric and biomagnetic measurements and stimulation methods, and to aid with the designing of new systems.
