To study the effects of the exposure to extremely low frequency magnetic fields on the immunological functions (cytokine production and cytotoxicity activity) of human peripheral blood mononuclear cells.
Exposure | Parameters |
---|---|
Exposure 1:
50 Hz
Exposure duration:
24 h
|
|
Exposure 2:
60 Hz
Exposure duration:
24 h
|
|
Frequency | 50 Hz |
---|---|
Type | |
Exposure duration | 24 h |
Additional info | vertical polarized, circularly polarized and elliptical polarized magnetic fields were used. |
Exposure source |
|
---|---|
Setup | incubator (30 x 30 x 30 cm³) placed at the center of the Merritt's coil system |
Additional info | Sets of exposure coils were arranged so that two pairs of Merritt's 3 square multiple coils were mutually crossing in the horizontal and vertical directions. A MF was generated by one of the coil sets, while the other set was used for sham exposure. |
Measurand | Value | Type | Method | Mass | Remarks |
---|---|---|---|---|---|
magnetic flux density | 500 µT | effective value | measured | - | - |
magnetic flux density | 100 µT | effective value | measured | - | 20 µT or 2 µT; vertical polarized |
magnetic flux density | 354 µT | effective value | measured | - | vertical and horizontal component; circularly polarized |
magnetic flux density | 121 µT | effective value | measured | - | horizontal component; elliptical polarization |
magnetic flux density | 485 mT | effective value | measured | - | vertical component; elliptical polarization |
Frequency | 60 Hz |
---|---|
Type | |
Exposure duration | 24 h |
Additional info | vertical polarized, circularly polarized and elliptical polarized magnetic fields were used. |
Exposure source |
|
---|---|
Setup | incubator (30 x 30 x 30 cm³) placed at the center of the Merritt's coil system |
Additional info | Sets of exposure coils were arranged so that two pairs of Merritt`s 3 square multiple coils were mutually crossing in the horizontal and vertical directions. A MF was generated by one of the coil sets, while the other set was used for sham exposure. |
Measurand | Value | Type | Method | Mass | Remarks |
---|---|---|---|---|---|
magnetic flux density | 500 µT | effective value | measured | - | - |
magnetic flux density | 100 µT | effective value | measured | - | 20 µT or 2 µT; vertical polarized |
magnetic flux density | 354 µT | effective value | measured | - | vertical and horizontal component; circularly polarized |
magnetic flux density | 121 µT | effective value | measured | - | horizontal component; elliptical polarization |
magnetic flux density | 485 mT | effective value | measured | - | vertical component; elliptical polarization |
The authors could not find any effects of extremely low frequency magnetic fields on the cytotoxic activities and the cytokine production of human peripheral blood mononuclear cells.
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