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Article
Failure to reproduce increased calcium uptake in human lymphocytes at purported cyclotron resonance exposure conditions
An attempt was made to verify a report (Liboff et al. 1987) that a unique combination of DC and AC magnetic field exposures at room temperature results in a 3-fold increase in45Ca2+ uptake by human lymphocytes in...
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Article
The relationship between sensitivity to 60-Hz electric fields and induced transmembrane potentials in plants root cells
Growth rates and cell diameters were determined from 12 species of plant roots exposed to a 60-Hertz (Hz) electric field of 360 Volts per meter (V/m) in an aqueous inorganic nutrient medium [conductivity: 0.07...
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Article
Diagnostic insonation of extra utero human placentas: No effect of lymphocytic sister chromatid exchange
Freshly delivered human placentas were exposed to ultrasound for 30 min using a diagnostic linear array unit. Blood was then drawn and cultured in the presence of bromodeoxyuridine, and the frequencies of sist...
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Article
60 Hz electric field parameters associated with the perturbation of a eukaryotic cell system
Roots ofPisum sativum were exposed for seven days to 60 Hz electric fields ranging from 70–430 V/m in an aqueous medium whose conductivity was approximately 0.07 mho/m. (Corresponding current densities in the exp...
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Article
Biological effects of ultrasound
When ultrasound is absorbed by tissue, heat is produced which may be destructive or, if controlled, can be therapeutic. In addition, ultrasound produces biological effects which cannot be explained on the basi...
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Article
Refraction and absorption of light in bacterial suspensions
The apparent average refractive indices of three types of microorganism in liquid suspension have been estimated by two methods. In the first, the refractive index of the aqueous suspension is measured in an i...