Browse 6,486 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 1,087 studies from Glaser RF/Microwave Archive with extracted diagrams
C. R. Jenkins, D. L. Durgin · 1975
Researchers tested 41 different types of integrated circuits from seven logic families to determine how much electromagnetic pulse (EMP) power it takes to damage them. They found specific failure thresholds for different circuit types and developed a model to predict when untested circuits might fail under EMP exposure.
D J Blundell · 1975
This 1975 technical paper describes the UK's primary standard for measuring microwave noise in the 4.1 GHz frequency band at extremely cold temperatures. The research focused on developing precise calibration methods for measuring equipment rather than studying biological effects. This work established technical foundations for accurately measuring microwave radiation levels.
Stewart J. Allen et al. · 1975
This 1975 study compared computer calculations with actual measurements of how radiofrequency energy (10-50 MHz) is absorbed by human and monkey bodies. Researchers found that prolate spheroid mathematical models accurately predicted RF absorption in test phantoms, but ellipsoid models better represented the actual shape of living bodies.
Unknown authors · 1975
This 1975 technical report documented the development of a portable electromagnetic leakage monitor designed to detect microwave radiation at 915 MHz and 2450 MHz frequencies. The device was created as a surveyor tool to measure radiation levels from microwave equipment, providing early recognition of the need for monitoring electromagnetic emissions in workplace and consumer environments.
P. S. RAI, H. J. BALL, S. O. NELSON, L. E. STETSON · 1975
Researchers exposed mealworm beetles to 39 MHz radiofrequency radiation and found it significantly reduced female reproduction rates. The effects were stronger with longer exposure times and higher power levels, and surprisingly, treating males had more impact on fertility than treating females directly.
G. N. Catravas · 1975
This 1975 technical report describes coating styrofoam rat cages with quinine for microwave research studies. The work focused on developing proper containment methods for laboratory animals during microwave exposure experiments. This represents early efforts to standardize laboratory protocols for studying microwave radiation effects on living organisms.
Gabriel G. Nahas et al. · 1975
Researchers exposed rats to magnetic fields between 200-1200 Gauss for one month and found no toxic effects or tissue damage. The only notable finding was that young rats exposed to magnetic fields gained more weight than unexposed rats. The study concluded these field strengths should be safe for human exposure lasting several hours.
Michaelson, 1975 · 1975
This 1975 technical report by Michaelson examined microwave exposure standards for personnel safety, focusing on power density limits and radiation protection guidelines. The research addressed how to establish safe exposure levels for workers and the public around microwave-emitting equipment. This work helped establish foundational safety standards that influence modern EMF exposure guidelines.
Roberts Rugh, Edward I. Ginns, Henry S. Ho, William M. Leach · 1975
Researchers exposed 1,096 mice to microwave radiation to study how female reproductive cycles and pregnancy affect radiation sensitivity. They found female mice were more vulnerable during estrus (heat) than other cycle phases, and pregnant mice exposed on day 8 of pregnancy developed birth defects including brain malformations at doses as low as 5 calories per gram of body weight. The study revealed complex, non-linear dose-response relationships that make predicting biological effects difficult.
Carl H. Durney, Curtis C. Johnson, Habib Massoudi · 1975
This 1975 study used mathematical modeling to analyze how microwave radiation penetrates and is absorbed by a prolate spheroid (egg-shaped object) representing the human body. The research found that power absorption patterns change dramatically depending on how the body is oriented relative to the electromagnetic field source.
D. Melville, F. Paul, S. Roath · 1975
This 1975 research by Melville explored using magnetic fields to directly separate red blood cells from whole blood, investigating how hemoglobin's magnetic properties could enable blood cell isolation. The study examined magnetic separation techniques that could potentially be used for medical or research applications involving blood component analysis.
Sol M. Michaelson, Sandra W. Magin · 1975
This 1975 conference paper by Michaelson and Magin reviewed experimental and clinical evidence on microwave exposure and cataract development in the eye's lens. In rabbits, acute thermal insult from high-intensity microwave fields (100-150 mW/cm² for 60-100 minutes) was cataractogenic if intraocular temperatures reached 45-55°C, and no proven cases of human cataracts caused by microwave radiation exist.
A.S. HYDE, J.J. FRIEDMAN · 1975
This 1975 study exposed mice to 3 cm and 10 cm microwave radiation to examine effects on body weight and blood cell counts. Researchers found measurable biological changes from both acute single exposures and chronic repeated exposures, though the study acknowledges difficulty in precisely measuring how much microwave energy actually penetrated the animals' tissues.
Allan H. Frey, Sondra R. Feld · 1975
Researchers tested whether rats could sense and avoid microwave radiation by giving them a choice between shielded and unshielded areas in test chambers. The rats consistently avoided pulsed 1.2 GHz microwave energy at power levels similar to early cell phones, but showed no avoidance of continuous (non-pulsed) energy at the same frequency. This suggests animals can detect and instinctively avoid certain types of microwave radiation.
Dietzel F. · 1975
This 1975 study by Dietzel treated 749 pregnant rats carrying 7800 embryos once with a short wave field (27.12 MHz) and examined embryo development and implantation. Early intensive treatment, especially before blastocyst implantation, usually resulted in the death of the embryo, and the frequency of malformations depended on the day of pregnancy and on treatment intensity.
Gandhi OP · 1975
This 1975 study by Gandhi examined how microwave radiation is absorbed by human bodies and found that absorption peaks when the body's longest dimension equals about 0.4 times the wavelength of the radiation. The research revealed that the neck region experiences maximum power absorption, creating a resonance effect that increases absorption 3-4 times beyond what the body's physical size would predict.
Don R. Justesen · 1975
This 1975 review by Dr. Justesen examined how microwave radiation affects behavior and biological systems. The study represents early research into electromagnetic field effects on living organisms, exploring the connection between radio-frequency exposure and behavioral changes. This work helped establish the foundation for understanding how microwaves interact with biological systems beyond just heating effects.
J. LENOIR, C. ROULLET, P. JENIN, A. L. THOMASSET, M. PELLET · 1975
Researchers in 1975 measured electrical impedance changes in dog brain tissue during various metabolic disturbances like oxygen deprivation, blood loss, and insulin-induced coma. They found that low frequency impedance (5 kHz) showed the most significant changes, providing insights into how brain tissue electrical properties respond to physiological stress.
James C. Lin, Chuan-Lin Wu, C. K. Lam · 1975
This 1975 study examined how electromagnetic pulses penetrate human and animal head models using mathematical modeling. Researchers found that electromagnetic pulses change shape as they enter the head, with the transmitted pulse being proportional to the rate of change of the original pulse. The peak effects occurred at the surface where the pulse first enters the head.
José M. R. Delgado et al. · 1975
This 1975 study by Dr. José Delgado examined two-way wireless communication with brain-implanted electrodes, allowing both recording of brain activity and electrical stimulation through the skin. The research demonstrated early wireless brain interface technology using radiofrequency signals to transmit data to and from implanted devices.
Johnson CC, Durney CH, Massoudi H · 1975
This 1975 study analyzed how microwave radiation penetrates and is absorbed by muscle tissue, finding that muscle has directional properties that affect how electromagnetic energy spreads through the body. Researchers developed mathematical models to predict power absorption patterns in single and multiple tissue layers.
Phillips RD, Hunt EL, King NW · 1975
This 1975 research paper examined the critical problem of measuring microwave radiation doses in animal studies. The authors found that researchers were using wildly different methods to measure and report radiation exposure, making it nearly impossible to compare results between studies or draw meaningful conclusions about biological effects.
A. W. Friend, E. D. Finch, H. P. Schwan · 1975
Researchers exposed giant amoebas to alternating electric fields ranging from 1 Hz to 10 MHz and observed the cells changing shape, elongating either perpendicular or parallel to the field direction. The type of shape change depended on the frequency used, suggesting that even simple electric fields can physically alter living cells.
H. Allen Ecker · 1975
This 1975 research examined using microwave electromagnetic radiation for medical treatments, specifically focusing on selective heating techniques for cancer therapy and hyperthermia applications. The study explored how electromagnetic fields could be precisely controlled to target specific tissues for therapeutic benefit.
Vernon R. Reno · 1975
This 1975 technical study by Vernon Reno examined how different microwave generators create varying field conditions that may not be accurately captured by standard measurement tools. The research found that microwave fields can differ significantly based on waveform characteristics, even when average power levels appear identical, potentially explaining inconsistencies in biological effects research.