Study type: Medical/biological study (experimental study)

In vitro cytogenetic effects of 2450 MHz waves on human peripheral blood lymphocytes med./bio.

Published in: Bioelectromagnetics 1993; 14 (6): 495-501

Aim of study (acc. to editor)

To study in vitro cytogenetic effects on human peripheral blood lymphocytes exposed to 2450 MHz microwaves under "normothermal" conditions (normal body temperature).



Exposure Parameters
Exposure 1: 2,450 MHz
Modulation type: pulsed
Exposure duration: continuous for 30 and 120 min

Exposure 1

Main characteristics
Frequency 2,450 MHz
  • guided field
Exposure duration continuous for 30 and 120 min
Modulation type pulsed
Duty cycle 33.3 %
Repetition frequency 50 Hz
Exposure setup
Exposure source
Setup Five ml of whole blood in a test tube of 7.4 mm inner radius was positioned in the maximum field position of the TE10 mode whose electric field was parallel to the short side of the waveguide.
Additional info The microwave signal was adjusted using a thermometer and a microcomputer to maintain a temperature of 36.1 °C.
Measurand Value Type Method Mass Remarks
electric field strength 240 V/m - calculated - in the blood sample
SAR 75 W/kg - calibration - -

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Time of investigation:
  • after exposure

Main outcome of study (acc. to author)

A marked increase in the frequency of chromosome aberrations (including dicentric chromosomes and acentric fragments) and micronuclei was found. But the microwave exposure did not influence the cell kinetics nor the sister chromatid exchange frequency.

Study character:

Study funded by

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