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Effects of microwaves (900 MHz) on peroxidase systems: a comparison between lactoperoxidase and horseradish peroxidase.

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Barteri M, De Carolis R, Marinelli F, Tomassetti G, Montemiglio LC. · 2015

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Cell phone frequency radiation altered the structure and function of key enzymes, suggesting RF exposure can disrupt fundamental biological processes.

Plain English Summary

Summary written for general audiences

Researchers exposed two important enzymes (lactoperoxidase and horseradish peroxidase) to 900 MHz radiofrequency radiation, the same frequency used by many cell phones. The radiation altered the enzymes' structure and function, changing how they catalyzed chemical reactions and affecting the stability of free radicals they produce. This suggests that RF radiation can directly interfere with fundamental biological processes at the molecular level.

Why This Matters

This study provides direct evidence that radiofrequency radiation at cell phone frequencies can alter the structure and function of enzymes, the proteins that drive virtually every biological process in your body. What makes this particularly significant is that these effects occurred at 900 MHz, a frequency commonly used by GSM cell phones and other wireless devices. The researchers documented changes in enzyme shape, activity, and free radical formation using multiple measurement techniques, strengthening the reliability of their findings. While this study examined isolated enzymes rather than living cells or organisms, it demonstrates that RF radiation can directly interfere with biological molecules at the most fundamental level. The reality is that your body contains thousands of different enzymes, and if wireless radiation can alter their function, it raises important questions about the cumulative effects of our constant exposure to these frequencies.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 900 MHz

Study Details

This work shows the effects of exposure to an electromagnetic field at 900 MHz on the catalytic activity of the enzymes lactoperoxidase (LPO) and horseradish peroxidase (HRP)

Experimental evidence that irradiation causes conformational changes of the active sites and influen...

Cite This Study
Barteri M, De Carolis R, Marinelli F, Tomassetti G, Montemiglio LC. (2015). Effects of microwaves (900 MHz) on peroxidase systems: a comparison between lactoperoxidase and horseradish peroxidase. Electromagn Biol Med. 2015 Jan 12:1-7.
Show BibTeX
@article{m_2015_effects_of_microwaves_900_1882,
  author = {Barteri M and De Carolis R and Marinelli F and Tomassetti G and Montemiglio LC.},
  title = {Effects of microwaves (900 MHz) on peroxidase systems: a comparison between lactoperoxidase and horseradish peroxidase.},
  year = {2015},
  doi = {10.3109/15368378.2014.1002135},
  url = {https://www.tandfonline.com/doi/abs/10.3109/15368378.2014.1002135},
}
DOI: 10.3109/15368378.2014.1002135

Cited By (3 papers)

Quick Questions About This Study

Yes, a 2015 study found that 900 MHz radiofrequency radiation directly altered the structure and function of two important enzymes (lactoperoxidase and horseradish peroxidase). The radiation changed how these enzymes catalyzed chemical reactions and affected the stability of free radicals they produce, demonstrating molecular-level interference with biological processes.
Research shows that 900 MHz radiation, the same frequency used by many cell phones, causes conformational changes in lactoperoxidase enzyme active sites. The study documented these structural changes using enzyme kinetics measurements, circular dichroism spectroscopy, and cyclic voltammetry, proving direct molecular-level effects from radiofrequency exposure.
A 2015 study demonstrated that 900 MHz radiofrequency radiation influences both the formation and stability of intermediate free radicals produced by peroxidase enzymes. This finding suggests that RF radiation can disrupt normal cellular antioxidant processes and free radical management at the molecular level.
Exposure to 900 MHz radiofrequency radiation causes structural changes in horseradish peroxidase enzyme active sites and alters its catalytic function. Researchers used multiple measurement techniques to confirm that the radiation directly interferes with the enzyme's ability to properly catalyze chemical reactions.
Yes, experimental evidence shows that 900 MHz radiofrequency radiation alters enzyme kinetics in peroxidase systems. The 2015 study measured changes in reaction rates and enzyme efficiency, demonstrating that RF radiation can directly interfere with fundamental biochemical processes that cells depend on for proper function.