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SAR and temperature distribution in the rat head model exposed to electromagnetic field radiation by 900 MHz dipole antenna.

No Effects Found

Yang L, Hao D, Wu S, Zhong R, Zeng Y. · 2013

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This modeling study confirms 900 MHz cell phone frequencies don't cause brain heating at research exposure levels, supporting non-thermal biological mechanisms.

Plain English Summary

Summary written for general audiences

Researchers used computer modeling to calculate how much radiofrequency energy would be absorbed by rat brains during a 900 MHz cell phone frequency exposure experiment. They found that the exposure levels used in their memory study would not cause any significant temperature rise in the brain tissue. This dosimetry study provided the technical foundation for understanding whether any biological effects found in their related memory research could be attributed to heating or non-thermal mechanisms.

Study Details

In the study for the effect of 900 MHz EMF exposure on learning and memory in SD rats, the specific absorption rate (SAR) and the temperature rise in the rat head are numerically evaluated.

The digital anatomical model of a SD rat is reconstructed with the MRI images. Numerical method as f...

It reveals that during the given exposure experiment setup, no significant temperature rise occurs. ...

Cite This Study
Yang L, Hao D, Wu S, Zhong R, Zeng Y. (2013). SAR and temperature distribution in the rat head model exposed to electromagnetic field radiation by 900 MHz dipole antenna. Australas Phys Eng Sci Med. 2013 Jun 6. [Epub ahead of print].
Show BibTeX
@article{l_2013_sar_and_temperature_distribution_3492,
  author = {Yang L and Hao D and Wu S and Zhong R and Zeng Y.},
  title = {SAR and temperature distribution in the rat head model exposed to electromagnetic field radiation by 900 MHz dipole antenna.},
  year = {2013},
  doi = {10.1007/s13246-013-0202-4},
  url = {https://link.springer.com/article/10.1007/s13246-013-0202-4},
}

Quick Questions About This Study

Researchers used computer modeling to calculate how much radiofrequency energy would be absorbed by rat brains during a 900 MHz cell phone frequency exposure experiment. They found that the exposure levels used in their memory study would not cause any significant temperature rise in the brain tissue. This dosimetry study provided the technical foundation for understanding whether any biological effects found in their related memory research could be attributed to heating or non-thermal mechanisms.