NMR imaging of cell phone radiation absorption in brain tissue.
Gultekin DH, Moeller L. · 2012
View Original AbstractScientists can now precisely map radiation hot spots in brain tissue from cell phones, improving safety assessments.
Plain English Summary
Researchers developed a new method using NMR imaging to measure how cell phone radiation heats up brain tissue. They found they could accurately track temperature increases and 'hot spots' in cow brain tissue exposed to radio frequency fields from cell phone antennas. This technique provides precise measurements of where and how much electromagnetic energy gets absorbed in biological tissue.
Why This Matters
This research represents a significant advancement in our ability to measure exactly where cell phone radiation deposits energy in brain tissue. While this is a methodological study focused on measurement techniques rather than health effects, it provides crucial tools for understanding SAR (specific absorption rate) patterns that regulatory agencies rely on for safety standards. The ability to visualize hot spots and measure absorption with high precision means future research can better assess whether current safety limits adequately protect all regions of the brain. What this means for you: this type of precise measurement capability is essential for validating whether the SAR limits used to approve your phone actually reflect real-world absorption patterns in human tissue.
Exposure Information
Specific exposure levels were not quantified in this study.
Study Details
A method is described for measuring absorbed electromagnetic energy radiated from cell phone antennae into ex vivo brain tissue.
NMR images the 3D thermal dynamics inside ex vivo bovine brain tissue and equivalent gel under expos...
The resultant temperature increase is measured by the resonance frequency shift of hydrogen protons ...
Show BibTeX
@article{dh_2012_nmr_imaging_of_cell_2132,
author = {Gultekin DH and Moeller L.},
title = {NMR imaging of cell phone radiation absorption in brain tissue.},
year = {2012},
url = {https://www.pnas.org/content/110/1/58},
}