Effects of a homogeneous magnetic field on erythrocyte sedimentation and aggregation

Lino, M

doi:10.1002/(sici)1521-186x(1997)18:3<215::aid-bem3>3.0.co;2-5

Cited by 28 publications

(25 citation statements)

References 21 publications

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“…Recently, an enhancement of erythrocyte sedimentation rate (ESR) was observed in a homogeneous static magnetic ®eld [Iino, 1997]. A strong magnetic ®eld increases cell aggregation and thereby enhances ESR in plasma.…”

Section: Introductionsupporting

confidence: 90%

“…Blood was collected from healthy human adult males as previously described [Arai et al, 1990;Iino, 1997]. After centrifugation, plasma and buffy coat were removed.…”

Section: Methodsmentioning

confidence: 99%

“…To avoid the Boycott effect [Boycott, 1920], the inclination of the tubes was maintained within 0.3 from the vertical. The measurement of ESR, the magnetic ®eld of 6.3 T, the morphological examinations, and the experimental conditions (the temperature of 295 AE 1 K, and n 4) were the same as previously described [Iino, 1997].…”

Section: Methodsmentioning

confidence: 99%

“…Figure 2 shows typical examples of erythrocyte sedimentation inside and outside the magnetic ®eld at p iso /p 1.38. Because the sedimentation curves obtained in saline solutions varied linearly, the value of ESR was de®ned by the slope, V, as previously described [Iino, 1997]. Figure 3 shows the dependence of V on p iso /p.…”

Section: Esr In Saline Solutionmentioning

confidence: 99%

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Osmolality dependence of erythrocyte sedimentation and aggregation in a strong magnetic field

Iino

Okuda

2000

Bioelectromagnetics

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In order to specify the major determinant of the magnetic enhancement of erythrocyte sedimentation observed previously, the dependence of erythrocyte sedimentation rate (ESR) on osmolality was measured under a strong magnetic field. Even at hypotonic osmolality, an increase in ESR due to aggregation was observed in plasma solution as compared with that without aggregation in saline solution. However, the magnetic field did not enhance ESR at hypotonic osmolality, when the cell shape was an isotropic sphere (spherocyte). Thus, we narrowed our search to a mechanism that would explain the enhanced ESR found specifically in anisotropic erythrocytes. It was concluded that the major determinant can only work for anisotropic erythrocytes and is a magnetic field-induced increase in an intermembrane adhesive area due to magnetic orientation of anisotropic erythrocytes.

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Section: Introductionsupporting

confidence: 90%

“…Blood was collected from healthy human adult males as previously described [Arai et al, 1990;Iino, 1997]. After centrifugation, plasma and buffy coat were removed.…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Esr In Saline Solutionmentioning

confidence: 99%

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Osmolality dependence of erythrocyte sedimentation and aggregation in a strong magnetic field

Iino

Okuda

2000

Bioelectromagnetics

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“…There are very few studies in the literature that addressed the relationship between an electromagnetic field and erythrocyte aggregation. Iino found that erythrocyte aggregation and, therefore, erythrocyte sedimentation rate increased when erythrocytes were exposed to a homogenous static field in their own plasma (33). The author attributed this result to alteration in cell orientation in response to electromagnetic field, stating that erythrocytes aggregate by forming bridges with plasma proteins, a process in which cell orientation plays a key role.…”

Section: Discussionmentioning

confidence: 99%

The Effects of Electromagnetic Fields Generated from 1800 MHz Cell Phones on Erythrocyte Rheological Parameters and Zinc Level in Rats

Erken¹,

Kucukatay²,

Turgut³

et al. 2012

Balkan Med J

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Magnetic field exposure stiffens regenerating plant protoplast cell walls

Haneda

Fujimura

Iino

2006

Bioelectromagnetics

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Single suspension-cultured plant cells (Catharanthus roseus) and their protoplasts were anchored to a glass plate and exposed to a magnetic field of 302 +/- 8 mT for several hours. Compression forces required to produce constant cell deformation were measured parallel to the magnetic field by means of a cantilever-type force sensor. Exposure of intact cells to the magnetic field did not result in any changes within experimental error, while exposure of regenerating protoplasts significantly increased the measured forces and stiffened regenerating protoplasts. The diameters of intact cells or regenerating protoplasts were not changed after exposure to the magnetic field. Measured forces for regenerating protoplasts with and without exposure to the magnetic field increased linearly with incubation time, with these forces being divided into components based on the elasticity of synthesized cell walls and cytoplasm. Cell wall synthesis was also measured using a cell wall-specific fluorescent dye, and no changes were noted after exposure to the magnetic field. Analysis suggested that exposure to the magnetic field roughly tripled the Young's modulus of the newly synthesized cell wall without any lag.

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Effects of a homogeneous magnetic field on erythrocyte sedimentation and aggregation

Cited by 28 publications

References 21 publications

Osmolality dependence of erythrocyte sedimentation and aggregation in a strong magnetic field

Osmolality dependence of erythrocyte sedimentation and aggregation in a strong magnetic field

The Effects of Electromagnetic Fields Generated from 1800 MHz Cell Phones on Erythrocyte Rheological Parameters and Zinc Level in Rats

Magnetic field exposure stiffens regenerating plant protoplast cell walls

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