alexa ELF magnetic fields increase amino acid uptake into Vicia faba L. roots and alter ion movement across the plasma membrane.


International Journal of Neurorehabilitation

Author(s): Stange BC, Rowland RE, Rapley BI, Podd JV

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Abstract Vicia faba seedlings, subjected to a 10 microT 50 Hz square wave magnetic field for 40 min together with a radioactive pulse, showed a marked increase in amino acid uptake into intact roots. A more modest increase was observed with a 100 microT 50 Hz square wave. An increase in media conductivity at low field intensities from 10 microT 50 Hz square wave, 100 microT 50 Hz sine wave, and 100 microT 60 Hz square wave fields, indicated an alteration in the movement of ions across the plasma membrane, most likely due to an increase in net outflow of ions from the root cells. Similarly, marked elevation in media pH, indicating increased alkalinity, was observed at 10 and 100 microT for both square and sine waves at both 50 and 60 Hz. Our data would indicate that low magnetic field intensities of 10 and 100 microT at 50 or 60 Hz can alter membrane transport processes in root tips. Copyright 2002 Wiley-Liss, Inc. This article was published in Bioelectromagnetics and referenced in International Journal of Neurorehabilitation

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