title: Resonance effect of low-intensity millimeter waves on the chromatin conformational state of rat thymocytes.
abstract: The method of anomalous viscosity time dependencies (AVTD) was modified for the study of the changes in the chromatin conformational state (CCS) of rat thymocytes of the Wistar line. The response of the thymocytes of male rats to low-intensity millimeter waves (MMW) was examined. It was shown that MMW at power densities (PD) of 1 microW/cm2 produced a resonance effect on the CCS in the frequency range of 41.56-41.67 GHz. The resonance frequency of the cell response did not vary significantly among five examined rats and was determined to be 41.61 +/- 0.01 GHz. A halfwidth of resonances was averaged to 40 MHz. The power dependence of the resonance effect was measured in the range of 10(-11)-10(-4) W/cm2. Statistically significant changes in CCS were registered, starting with 10(-9) W/cm2. Right- and left-handed circularly polarized MMW were shown to differ in efficiency at the resonance frequency. The established regularities in the thymocyte response to low-intensity MMW was very similar to those which have been previously found for E. coli cells.
authors.affiliation: Scientific Research Center Vidguk, Moscow Engineering Physics Institute, Russia.
authors.lastname: Belyaev SYa
authors.forename: V G
authors.initials: VG
authors.lastname: Kravchenko
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D002843:Chromatin / Q000528:radiation effects* / Q000648:ultrastructure; D004307:Dose-Response Relationship, Radiation; D004574:Electromagnetic Fields; D008297:Male; D051381:Rats; D017208:Rats, Wistar; D013696:Temperature; D013950:Thymus Gland / Q000528:radiation effects* / Q000648:ultrastructure; D014783:Viscosity
chemical_list: D002843:Chromatin