To investigate the effects of microwaves emitted by cell phones on sperms and total antioxidant capacity in rats.
Four groups were examined (n=7 per group): 1.) control group, 2.) exposure to 915 MHz-microwaves for 14 days, 3.) exposure to 915 MHz-microwaves for 21 days and 4.) exposure to 950 MHz-microwaves for 14 days.
| Exposure | Parameters |
|---|---|
|
Exposure 1:
915 MHz
Exposure duration:
8 hours a day for 14 consecutive days
|
|
|
Exposure 2:
915 MHz
Exposure duration:
8 hours a day for 21 consecutive days
|
|
|
Exposure 3:
950 MHz
Exposure duration:
8 hours a day for 14 consecutive days
|
|
1.) 915 MHz for 14 days 2.) 915 MHz for 21 days 3.) 950 MHz for 14 days
| Frequency | 915 MHz |
|---|---|
| Type | |
| Exposure duration | 8 hours a day for 14 consecutive days |
| Additional info | simulated cell phone receiver waves |
| Exposure source |
|
|---|---|
| Chamber | rats were exposed in a Plexiglas cylinder that consisted of an internal (radius 5 cm, height 30 cm) and an external (radius 15 cm, height 30 cm) cylinder, rats were placed in the space between the two cylinders, antenna was placed vertically in the internal cylinder |
| Additional info | distance between measurement device and exposed object: 5, 10 or 15 cm |
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| power density | 1.6 mW/cm² | mean | measured | - | - |
| Frequency | 915 MHz |
|---|---|
| Type | |
| Exposure duration | 8 hours a day for 21 consecutive days |
| Additional info | simulated cell phone receiver waves |
| Exposure source |
|
|---|
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| power density | 1.6 mW/cm² | mean | measured | - | - |
| Frequency | 950 MHz |
|---|---|
| Type | |
| Exposure duration | 8 hours a day for 14 consecutive days |
| Additional info | simulated cell phone antenna waves |
| Exposure source |
|
|---|
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| power density | 1.6 mW/cm² | mean | measured | - | - |
No differences were found between the groups regarding the number and morphology of sperms. The sperm viability, the sperm motility and the sperm antioxidative capacity were significantly decreased in all exposure groups (group 2, 3 and 4) compared to the control group. Furthermore, in group 3 (exposure for 21 days) the sperm viability and the sperm motility were additionally significantly decreased compared to group 2 (exposure for 14 days).
(remark EMF-Portal: No results are presented for antioxidative capacity in the blood plasma.)
The authors conclude that exposure to microwaves emitted by cell phones could decrease the sperm viability, sperm motility and sperm antioxidative capacity in rats.
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