[Enzymatic activity of some tissues and blood serum from animals and humans exposed to microwaves and hypothesis on the possible role of free radical processes in the nonlinear effects and modification of emotional behavior of animals].

The dependence of activities of actomyosin ATPase, alkaline phosphatase, aspartataminotranspherase, monoaminoxidase and that of affective rat behavior on frequency of modulation of microwaves (0.8-10 microW/cm2) was explored at short-time actions. Series of nonlinear phenomenons, inexplicable from positions of the energy approaches are revealed, The working hypothesis explaining opportunity of high performance of weak and super-weak microwaves and other revealed phenomena by resonance interaction of such electromagnetic radiofrequency radiation with paramagnetic molecules of biological tissues was proposed.

[The effect of low intensity electromagnetic irradiation on hydration of DNA film].

By using the IR-spectroscopy it has been shown that electromagnetic radiation (frequency 8.15-10.0 GHz, energy flux density 5 microWt/cm2) reduces the rate of water desorption from DNA films.

[Effect of low intensity pulse-modulated electromagnetic radiation on activity of alkaline phosphatase in blood serum].

The change in alkaline phosphotase activity in vitro with frequencies modulation at low intensity of pulse-modulated electromagnetic radiation was experimentally shown (EMR, 2375 MHz, intensity: 0.8, 8.0; 40.

[Effect of low-intensity pulse-modulated microwave on human blood aspartate aminotransferase activity].

Pulse-modulated microwaves (frequency 2375 MHz, intensity: 2 microW/cm2 and 8 microW/cm2, pulse modulation from 50 to 390 Hz with step of 20 Hz; exposure time 5 min) changed the activity of aspartataminotranspherase of the donor blood. Aspartataminotranspherase activity was strongly dependent both on modulation frequency and microwave intensity. Maximum activity was found at 390 Hz and 8 microW/cm2.

[Resonance phenomena to rhythmic light stimulation with various intensity and frequency in human EEG].

The photoinduced resonance EEG response in the occipital area (O1 and O2) of right-handed men during 12-s intermittent photic stimulation was studied as a function of flash frequency (6, 10, or 16 Hz) and intensity (5 levels from 0.05 to 0.7 J).

[Influence of electromagnetic fields on the emotional behaviour of rats].

The effects of ultra low power pulse-width + modulation electromagnetic radiation (EMR, power density 10 mc/Wt/cm2, carrying frequency 915 MHz, modulating pulses with frequency 4, 6, 16 and 20 Hz, duration 10 min) on the rat emotional behavior and motor activity in the elevated plus-maze were studied. It was established that EMR (frequency of modulation 4 and 6 Hz) significantly decreased the emotionally negative reactions of anxiety and fear by a factor of 3.7 (p < 0.

[The rhythmic structure of the human EEG: the current state and trends of the research].

During the past decade, spectral analysis has become indispensable instrument for different kinds of EEG processing. With the development of dedicated computer system, investigation of shifts in human EEG rhythm under various conditions has improved considerably. However, it is difficult to make general conclusions from this line of research, since a large number of studies are carried out using the ambiguous experimental approaches and different methods.

[The effect of electromagnetic radiation on the monoamine oxidase A activity in the rat brain].

The effect of the ultralow power pulse-modulated electromagnetic radiation (EMR, power density 10 microW/cm2; carrying frequency 915 MHz; modulating pulses with frequency 2, 4, 6, 8, 12, 16 and 20 Hz) on activity of monoamine oxidase (MAO-A), enzyme involved in the oxidative deamination of monoamines, was investigated. It was established that the increase of activity MAO in hypothalamus reached the maximal meaning at modulation frequency of 6 Hz that corresponded 160% (p < 0.01) of the control level; and at modulation frequency of 20 Hz the decrease of enzyme activity up to 74% (p < 0.

[Changes in serum alkaline phosphatase activity during in vitro exposure to amplitude-modulated electromagnetic field of ultrahigh frequency (2375 MHz) in guinea pigs].

The activity of alkaline phosphatase by the action of pulse-modulated microwave radiation was studied. The carrier frequency of radiation was 2375 MHz, the range of modulation pulse rate was 10-390 Hz with the on-off time ratio 2, and the specific absorption rate was 8 and 0.8 microW/cm2.

Effects of weak microwave fields amplitude modulated at ELF on EEG of symmetric brain areas in rats.

Averaged electroencephalogram (EEG) frequency spectra were studied in eight unanesthetized and unmyorelaxed adult male rats with chronically implanted carbon electrodes in symmetrical somesthetic areas when a weak (0.1-0.2 mW/cm) microwave (MW, 945 MHz) field, amplitude-modulated at extremely low frequency (ELF) (4 Hz), was applied.

[Effects of 2375 MHz pulse-modulated microwave radiation on ATPase activity of the rat muscle actomyosin].

Solution of rat muscle actomyosin (AM) was exposed to pulse-modulated microwave. Carried frequency was 2375 MHz. The rectangular pulse modulation was in the range of 50-300 pulses per second.

[Effects of prolonged low-intensity radiofrequency radiation in cm-range on the development of subcutaneously grafted Ehrlich's adenocarcinoma].

White mongrel male mice with subcutaneously grafted Ehrlich adenocarcinoma were exposed at week intervals to three three-day sessions of low-intensity (5 microWt/cm2) super short wave-therapy from two generators of oscillating frequency in the range of 2-18 GHz. As a result of treatment, the increase in tumour size was diminished, and the probability of its reverse development was increased, with animal lethality being decreased. During a month the recovery was increased from 0 to 50% in the first experiment and from 38.

[Radioprotective effect of low-intensity radio-frequency centimeter-band waves in lethal gamma irradiation].

Primary investigations have been carried out to determine whether low-intensity EMR of a cm range exerts the radioprotective effect. Prior to gamma-irradiation with doses LD100/30 and LD60/30 mice were exposed for 23 h to 2-8 GHz microwaves with a swing frequency of 12-14 Hz, at energy flow density of 5 +/- 1.5 mu Wt/cm2.

[Modification of lethal radiation injury in mice by postradiation exposure to low-intensity centimeter-band radio frequency waves].

A clearly pronounced modification of acute radiation injury of mice has been obtained by prolonged action (for up to 23 hours) of low-intensity (5 +/- 1.5 mu Wt/cm2) radiofrequency radiation in the ranges of 2-8, 8-18 and 19-27 GHz with a swing frequency of 12-14 Hz, applied immediately after exposure to lethal dose of gamma-radiation. Survival of mice and average life duration of killed mice were increased.

[Action of microwaves with different modulation frequencies and exposure times on GABA receptor concentration in the cerebral cortex of rats].

The effect of 800 mHz microwaves of 0, 3, 5, 7, 16, and 30 Hz modulation on GABA receptor concentration in rat brain cortex has been investigated. Irradiation of the whole body at a modulation frequency of 16 Hz readily decreases the GABA receptor concentration. Irradiation at other modulation frequencies is ineffective.

[The effect of ionizing radiation on the binding of muscimol by synaptic membranes in the rat brain].

A study was made of the effect of gamma-radiation on binding of muscimol, a GABA agonist, by synaptic membranes of rat brain cortex. Exposure to 2 Gy radiation was shown to reduce [3H]-muscimol binding to membranes.

[Effect of electromagnetic radiation of radio frequency (340 and 800 MHz) on liposomes from dimyristoyl lecithin].

Using the liposomes prepared from dimyristoyl lecithin at temperature below that of phase transition, its was shown that the annealing of liposomes by 340- and 800-MHz microwave radiation required less integral heating of the samples, than it should be expected from the experiments on heating the samples in a thermostat.

[Action of a UHF field on GABA-ergic and acetylcholinergic systems in synaptic transmission].

It was shown that exposure of rats to microwaves (800 MHz, 16 Hz modulation, 1-3 mW/cm2) decreased muscimol binding with synaptic membranes and reduced acetycholinesterase activity in the rat brain.

[Inductive-resonance energy transfer between chromophores localized in different parts of irradiated and nonirradiated erythrocyte ghosts].

A study was made of the inductive-resonance energy transfer between chromophore pairs, tryptophan--pyren, tryptophan--1.8-anilinonaphthalene sulfonate (ANS), puren--1.8-ANS, diphenylhexatrien--ethidium, and 1,8-ANS--ethidium, in irradiated (250 Gy) and nonirradiated preparations of erythrocytic membranes.

Effects of microwave radiation (340 and 900 MHz) on different structural levels of erythrocyte membranes.

By use of fluorescence probes 1-anilinonaphthalene-8-sulfonic acid, 2-toluidinylnaphthalene-6-sulfonate, pyrene, perylene and chemical label phosphatidylethanolamine 2,4,6-trinitrobenzele sulfonic acid, the effect of microwave radiation on the erythrocyte membrane was studied. The studies with the fluorescence probes were carried out on erythrocyte ghosts and with 2,4,6-trinitrobenzene sulfonic acid on whole erythrocytes. The fluorescence was measured during irradiation of the membranes with 340-MHz microwaves at an SAR of 100 W/kg.