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Dielectric parameters of human blood serum in the range 1-30 Mc/s

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Konovalenko VA, Yamshanov VA · 1971

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Human blood serum shows measurable electrical changes when exposed to 1-30 MHz radio frequencies.

Plain English Summary

Summary written for general audiences

Soviet researchers studied how radio frequencies between 1-30 MHz affect the electrical properties of human blood serum. They found that salt content primarily determines how blood responds to these frequencies, while proteins play a smaller role when salt levels are reduced.

Why This Matters

This 1971 Soviet study provides foundational evidence that human blood has measurable electrical responses to radio frequency exposure in the 1-30 MHz range. What makes this significant is that these frequencies overlap with modern AM radio, shortwave communications, and some industrial heating applications that people encounter daily. The researchers demonstrated that blood serum's dielectric properties change predictably when exposed to RF fields, with ionic salts driving most of the response. This challenges the assumption that biological tissues are electrically inert when exposed to non-ionizing radiation. The science demonstrates that our blood literally responds electrically to RF exposure at levels we routinely encounter from broadcasting towers, amateur radio, and industrial equipment.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Konovalenko VA, Yamshanov VA (1971). Dielectric parameters of human blood serum in the range 1-30 Mc/s.
Show BibTeX
@article{dielectric_parameters_of_human_blood_serum_in_the_range_1_30_mc_s_g6673,
  author = {Konovalenko VA and Yamshanov VA},
  title = {Dielectric parameters of human blood serum in the range 1-30 Mc/s},
  year = {1971},
  
  
}

Quick Questions About This Study

The entire 1-30 MHz range showed effects on blood serum's electrical properties. This frequency band includes AM radio, shortwave communications, and some industrial applications that people encounter in daily life.
Salts primarily determine how blood serum responds electrically to 1-30 MHz frequencies. Proteins only showed significant effects when salt concentrations were artificially reduced to very low levels.
The study measured complex dielectric constants of blood serum but found they varied based on salt content and frequency within the 1-30 MHz range, with no single fixed value.
No, the researchers specifically stated they did not observe the Sel'kov-Balysin phenomenon in human blood serum within the 1-30 MHz frequency range they tested.
Yes, the researchers found that high ionic strength solutions like blood serum can show important polarization phenomena when exposed to frequencies in the 1-30 MHz range.