1987
DOI: 10.1002/bem.2250080302
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Calcium cyclotron resonance and diatom mobility

Abstract: The hypothesis that movement of biological ions may be predicted by cyclotron resonance theory applied to cell membranes is tested in these experiments. Diatoms (Amphora coffeaeformis) were chosen as the biosystem since they move or don't move, depending on how much calcium is transported across the membrane. The experiments demonstrate that a particular ion (calcium) is apparently moved across the cell membrane in response to the DC and AC values of magnetic flux densities (B) and the frequency derived from t… Show more

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Cited by 211 publications
(140 citation statements)
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“…It consisted of numerous wave forms which are bioeffective. In fact, Smith, McLeod, Liboff, and Cooksey (1987) demonstrated increased transmembrane activity of calcium during exposures to specific weak magnetic fields when the fields temporally matched the ion resonance frequency for unhydrated calcium ions (Liboff, 1985). The pixel duration of our calcium-modeled wave form was set at 1 ms, the duration of each of the 50 complex patterns (employed in our previous research) that composed the complete wave form was 200 ms, the total presentation time of the entire wave form was 10 s, and the interval between presentations of each wave form was 40 s (see Persinger et al, 2001, for a detailed discussion of this wave form).…”
Section: Prenatal Magnetic Field Exposurementioning
confidence: 99%
“…It consisted of numerous wave forms which are bioeffective. In fact, Smith, McLeod, Liboff, and Cooksey (1987) demonstrated increased transmembrane activity of calcium during exposures to specific weak magnetic fields when the fields temporally matched the ion resonance frequency for unhydrated calcium ions (Liboff, 1985). The pixel duration of our calcium-modeled wave form was set at 1 ms, the duration of each of the 50 complex patterns (employed in our previous research) that composed the complete wave form was 200 ms, the total presentation time of the entire wave form was 10 s, and the interval between presentations of each wave form was 40 s (see Persinger et al, 2001, for a detailed discussion of this wave form).…”
Section: Prenatal Magnetic Field Exposurementioning
confidence: 99%
“…Sin embargo, no es improbable que estos efectos sean indirectos, es decir, a través de una modificación del perfil de humedad del suelo o un mejoramiento de la disponibilidad de nutrientes alrededor de las raíces, como sugieren algunos trabajos (Khoshravesh, Mostafazadeh-Fard, Mousavi, & Kiani, 2011;Maheshwari & Grewal, 2009;Noran, Shani, & Lin, 1996). Más aún, estudios biológicos in vivo han demostrado que la permeabilidad de los canales de iones en las membranas y en las células aumenta, involucrando también la actividad de los iones de calcio y el equilibrio de las concentraciones de iones (Smith, McLeod, Liboff, & Cooksey, 1987).…”
Section: Introductionunclassified
“…At cellular level, cells are responsive to the exogenous electric field. The discovery regarding the response of yeast (Mehedintu & Berg, 1997) and diatoms (Smith et al, 1987) to electromagnetic field (EMF) stimulation was such a milestone, as both yeast and diatoms are single cell organisms, which implies that the EMF effects occur at the cellular level. These studies also suggested that the control of cellular behaviours is feasible through a manipulation of the cytoskeleton proteins using external physical stimuli such as EF.…”
Section: Introductionmentioning
confidence: 99%