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Cellular EffectsPart of the Glaser Archive

MILLIMETER-WAVE RADIATION FAILS TO INDUCE LAMBDA PHAGE EXPRESSION

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Millimeter-wave radiation did not activate stress-sensitive viral systems in bacteria, suggesting limited cellular disruption at tested levels.

Plain English Summary

Summary written for general audiences

Researchers exposed bacteria carrying dormant lambda phage viruses to millimeter-wave radiation to test whether EMF could trigger viral activation. The study found that millimeter-wave exposure failed to induce the lambda phage to become active in E. coli bacteria. This research examines whether EMF radiation can disrupt normal biological processes at the cellular level.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 45.6 to 46.2 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 45.6 to 46.2 GHzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHzLogarithmic scale

Study Details

To determine the level of induction, if any, of lambda phage in E. coli strain BR-475 when irradiated by millimeter-waves in the frequency range 45.6 to 46.1 GHz

BR-475 cells were exposed in liquid media in a closed waveguide system. A slotted line was used to m...

No differences in induction levels were observed between the exposed and sham-exposed cultures. The ...

Millimeter-wave radiation in the frequency range 45.6 to 46.1 GHz does not induce lambda phage expression in E. coli strain BR-475 at power levels up to 10 mW/cm². The results contradict previous findings by Smolyanskaya and Vilenskaya who reported frequency-dependent induction of colicin synthesis under similar conditions.

Cite This Study
Unknown (n.d.). MILLIMETER-WAVE RADIATION FAILS TO INDUCE LAMBDA PHAGE EXPRESSION.
Show BibTeX
@article{millimeter_wave_radiation_fails_to_induce_lambda_phage_expression_g5401,
  author = {Unknown},
  title = {MILLIMETER-WAVE RADIATION FAILS TO INDUCE LAMBDA PHAGE EXPRESSION},
  year = {n.d.},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

Lambda phage is a dormant virus in bacteria that activates only under cellular stress. Researchers use it as a sensitive biological indicator to detect whether EMF radiation causes stress-level cellular disruption in living systems.
This study found that millimeter-wave exposure did not trigger lambda phage activation in E. coli bacteria, suggesting the radiation did not cause detectable cellular stress responses in this bacterial system.
Lambda phage serves as an early warning system for cellular stress. While negative results in bacteria don't guarantee safety for humans, they suggest millimeter waves may not trigger basic stress responses common to living cells.
Millimeter waves are used in 5G networks and security scanners. Testing their biological effects helps assess safety as these frequencies become more common in consumer technology and telecommunications infrastructure.
Bacterial studies provide initial safety screening, but human cells are more complex. Negative bacterial results are encouraging but don't eliminate the need for testing in mammalian cells and tissues.