Abstract
Small objects such as suspended live cells, organelles, tissue fragments, or even inanimate powder particles may be made to spin in an electromagnetic field. The spinning occurs in a resonant response to the applied frequency and reflects the dielectric properties (permittivity) of the suspension. There are three special cases: Spinning (1) in a static (dc) field, (2) in a simple oscillatory field, and (3) in a rotating field. The theory and examples for several interesting cases and their probable mechanisms are presented. The technique of cellular spin resonance (CSR) has several interesting applications. It sensitively detected alterations in surface properties due to a polyelectrolyte at concentrations of ca. 100 ppb. The CSR spectra of cells reflect their type and physiological state. Data to date indicate that live cells spin oppositely from dead ones at some frequency, even in mixtures. The dielectric properties of tiny particles can be readily determined.
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© 1986 Plenum Press, New York
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Rivera, H., Pohl, H.A. (1986). Cellular Spin Resonance (CSR). In: Gutmann, F., Keyzer, H. (eds) Modern Bioelectrochemistry. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-2105-7_15
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DOI: https://doi.org/10.1007/978-1-4613-2105-7_15
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4612-9246-3
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