EMF Research Studies

ELECTROMAGNETIC ABSORPTION IN MULTILAYERED CYLINDRICAL MODELS OF MAN

Unknown authors

MEASUREMENTS OF THE RF POWER ABSORPTION IN HUMAN AND ANIMAL PHANTOMS EXPOSED TO NEAR-FIELD RADIATION

Unknown authors

TECHNICAL ASPECTS OF ELECTROMAGNETIC TECHNIQUES FOR RECOVERING CRYOGENICALLY-PRESERVED LARGE ORGANS

Unknown authors

MICROWAVE DIATHERMY TREATMENT OF THE HUMAN THIGH PART I The Experimental Measurement of the Muscle Blood Flow in the Thigh Undergoing Microwave Diathermy Treatment

redacted

Resting blood flow rates were about 2 ml/min/100 gm and maximum rates reached 32 ml/min/100 gm at depths of 1.5 cm and 3.0 cm. Microwave heating alone increased blood flow at the shallow depth of 1.5 cm. Adding surface cooling before and during heating eliminated the flow increase at the shallow depth but augmented perfusion at the deeper depth.

PARTIAL-BODY AND WHOLE-BODY AVERAGE SPECIFIC ABSORPTION RATE (SAR) FOR A HOMOGENEOUS MODEL OF HUMAN

Unknown authors

PHYSIOLOGICAL EFFECT OF ELECTRIC CURRENTS

Unknown authors

RESPONSES OF MAN TO HIGH INTENSITY THERMAL RADIATION

J. D. Hardy, D. Murgatroyd

UNDEFINED SET OF PAGES

Unknown authors

VDT's Pass Medical Tests

Bill Rados

Some Measurements on the Diathermancy of the Human Eyeball, Its Media, and the Human Eyelid, in Addition to Observations of the Biological Effects of Infrared (Radiation)

Vogt, A.

Occupational exposures to radiofrequency radiation from RF dielectric heat sealers

Clinton Cox, William E. Murray, Jr., Edward P. Foley, Jr.

Influence of Electric Fields on Some Parameters of Circadian Rhythms in Man

Rutger Wever

Human Telecommunications: A review of the Literature on "Biological Radio Communication" and related topics

C. J. Chilton

Microwave Diathermy: The Invisible Healer

James Greene

ELECTROMAGNETIC ABSORPTION IN A MULTILAYERED MODEL OF MAN

Peter W. Barber et al.

Researchers used a multilayered planar model to examine how surface layers such as skin, fat, and muscle affect whole-body power absorption. They found that the layering resonance for three-dimensional bodies can be predicted accurately by a planar model. Applying this method to a prolate spheroidal model of man predicted a whole-body layering resonance at 1.8 GHz with 34 percent higher absorption than a homogeneous model, and a 24 percent reduction at 5.7 GHz.

Comparison of the average specific absorption rate in the ellipsoidal conductor and dielectric models of humans and monkeys at radio frequencies

Habib Massoudi, Carl H. Durney, Curtis C. Johnson

Sind Radarwellen für den Menschen gefährlich?

Hubert Fischer, Horst Müller

Galvanism

R. J. Lindquist

A THERMAL MODEL OF THE HUMAN BODY EXPOSED TO AN ELECTROMAGNETIC FIELD

D.M. Deffenbaugh, R.J. Spiegel, J.R. Mann

Researchers modeled the human body numerically to determine thermal response under varied electromagnetic exposures by modifying heat transfer equations to account for absorbed electromagnetic energy. The body was represented as cylindrical segments sized to statistical 2.5%, 50%, and 97.5% anthropometry, and the combined code output temperatures at 61 discrete locations plus thermoregulatory responses such as vasoconstriction, vasodilation, shivering, and sweating. In a typical simulation at 80 MHz with 10 mW/cm² incident power, a hot spot appeared in the lower thigh, and at power levels above about 20 mW/cm² core temperatures rose uncontrollably, indicating failure of protective heat control mechanisms.

Suspected Diathermy Burns

Marcia Lowery, Kenneth Dobbie

PROPOSAL FOR PROVIDING CHEMICAL BIOHAZARD INFORMATION TO THE BUSINESS AND ACADEMIC COMMUNITIES FOR OCCUPATIONAL EXPOSURE RECORDING AND WORKER PROTECTION

Martin L. Meltz

A Simplified Analog Storage and Averaging System for Electroencephalographic Responses

John F. Davis et al.

The system records the stimulation series and EEG responses on tape, forms the tape into a loop, and plays it through a gated integrator to plot the averaged response amplitude at selected time points. With recording at 33 ¼ ips and play- back at 15 ips, the analysis proceeds at four times the speed of the original experiment. However, since as many as one hundred points may have to be plotted, the analysis can still run to several hours. At present, the speed ratio is limited to 4:1 by considerations of transient response and information bandwidth.

ELECTROMAGNETIC INTERACTION WITH HUMAN PHANTOM MODELS; APPLICATIONS TO MOBILE RADIOS

Unknown authors

Researchers performed transient thermographic measurements on a full-size human head phantom filled with muscle-equivalent material, irradiated by a quarter-wave monopole antenna excited at 100 watts and 456.65 MHz. The maximum specific absorption rate (SAR) occurred when the antenna tip was at the bridge or tip of the nose, while a flat surface like the forehead reduced peak SAR to about one-third of the maximum. Thermal diffusion corrections applied to data at one-inch antenna-to-model spacing yielded a peak SAR of about 200 W/kg in a small superficial region at the bridge of the nose.

COMPARISON OF EXPOSURE STANDARDS

Unknown authors

A SYSTEM FOR PRODUCING LOCALIZED HYPERTHERMIA IN BRAIN TUMORS THROUGH MAGNETIC INDUCTION HEATING OF FERROMAGNETIC IMPLANTS

Unknown authors

The researchers are developing a magnetic induction system to produce localized hyperthermia in intracranial tumors. Differential heating is achieved using small ferromagnetic seeds that can be stereotactically embedded in residual tumor during craniotomy. In phantom tests, Trial 16 showed a temperature differential greater than 4°C out to 1 cm from the implant site with no significant direct heating of the phantom by the RF field. Heating patterns in single seed phantoms matched the theoretically expected inverse radial distance dependence.