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One-year, simultaneous combined exposure of CDMA and WCDMA radiofrequency electromagnetic fields to rats
- One-year, simultaneous combined exposure of CDMA and WCDMA radiofrequency electromagnetic fields to rats
- Jin Y.-B.; Lee H.-J.; Seon Lee J.; Pack J.-K.; Kim N.; Lee Y.-S.
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- International Journal of Radiation Biology
- vol. 87, no. 4, pp. 416 - 423
- SCI; SCIE; SCOPUS
- Purpose: We investigated whether one-year, long-term, simultaneous exposure to code division multiple access (CDMA; 849 MHz) and wideband code division multiple access (WCDMA; 1.95 GHz) radiofrequencies (RF) would induce chronic illness in Sprague-Dawley (SD) rats. Materials and methods: Two groups of 40 SD rats (50% males and females in sham and exposed groups) were exposed to CDMA and WCDMA RF simultaneously at 2.0 W/kg for 45 min/day (total 4.0 W/kg), 5 days per week for a total of one year. Body and organ weight measurements, urinalysis, haematological and blood biochemical analysis, and histopathological evaluations were performed. Results: The mortality patterns in male and female rats exposed to RF were compared with those found in gender-matched sham control animals. No significant alteration in body weight was observed with the simultaneous combined RF exposure. Most RF-exposed rats showed no significant alteration, based on urinalysis, haematology, blood biochemistry, or histopathology. However, some altered parameters of the complete blood count and serum chemistry were seen in RF-exposed rats. The total tumour incidence was not different between sham-exposed and RF-exposed animals. Conclusions: Our results suggest that one-year chronic exposure to CDMA (849 MHz) and WCDMA (1.95 GHz) RF simultaneously at 2.0 W/kg for 45-min RF exposure periods (total, 4 W/kg) did not increase chronic illness in rats, although there were some altered parameters in the complete blood count and serum chemistry. © 2011 Informa UK, Ltd.
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