[The flagship of the national naval medical science (on the 80th anniversary of establishment of the 1st Central Research Institute of the Defense Ministry of Russian Federation)].

The article is devoted to the 80th anniversary of the formation of the naval medical science subunit, which is the part of the 1st Central Research Institute of the Defense Ministry of Russian Federation. In the 30th years of XX century, a group of naval doctors formulated the main directions of preventive naval medicine. For eight decades, several generations of medical scientists have developed and ensured implementation of regulatory requirements for habitability and ergonomics of Navy ships. At the present stage, this work focuses on promising directions of the development of the domestic military shipbuilding and the use of advanced and innovative biomedical technologies.

[Method of express evaluation of physiological resources in individuals with intensive and long occupational activities].

The authors specified and tested an index of occupational functional resources in specialists with intensive and long occupational activities.

[The levels of thyroid hormones in hemorrhagic stroke].

Radioimmunoassay using was used to study the blood concentrations of thyroid hormones (thyroid-stimulating hormone (TSH), T3, and T4) in patients with hemorrhagic stroke as intracerebral hematoma. The authors analyzed two patient groups: 1) those operated on for intracerebral hematoma removal; 2) those receiving medical treatment. Surgical intervention resulted in local fibrinolysis of a hematoma remnant. The level of thyroid hormones was studied over time from the 1st day to the 28th day of therapy. Each group was then divided into 2 subgroups: survivors and dead patients. Mortality group was 77.2% in the medical treatment group and 17.2% in the surgical treatment group. The performed studies established elevated concentrations in cases of good outcome of stroke. All the patients were found to have low T3 concentrations that were more pronounced in patients with a poor outcome. The level of T4 did not differ from the control values in patients with good results. Hematoma removal contributed to an increase in the concentrations of TSH and triiodothyronine.

Comment on "equilibrium polymerization and gas-liquid critical behavior in the Stockmayer fluid".

In a recent paper [Phys. Rev. E 75, 011506 (2007)] Hentschke presented new results on the vapor-liquid transition in the Stockmayer fluid. In this Comment, we analyze the data further and demonstrate that at high dipole strength, the isotropic attractive part of the Stockmayer potential is negligible compared to the thermal energy at the vapor-liquid critical point. The results therefore suggest that the transition is largely driven by the dipolar interactions.

Magnetization behavior of ferrofluids with cryogenically imaged dipolar chains.

Theories and simulations have demonstrated that field-induced dipolar chains affect the static magnetic properties of ferrofluids. Experimental verification, however, has been complicated by the high polydispersity of the available ferrofluids, and the morphology of the dipolar chains was left to the imagination. We now present the concentration- and field-dependent magnetization of particularly well-defined ferrofluids, with a low polydispersity, three different average particle sizes, and with dipolar chains that were imaged with and without magnetic field using cryogenic transmission electron microscopy. At low concentrations, the magnetization curves obey the Langevin equation for noninteracting dipoles. Magnetization curves for the largest particles strongly deviate from the Langevin equation but quantitatively agree with a recently developed mean-field model that incorporates the field-dependent formation and alignment of flexible dipolar chains. The combination of magnetic results and in situ electron microscopy images provides original new evidence for the effect of dipolar chains on the field-dependent magnetization of ferrofluids.

[Normobaric hypoxytherapy is an effective method the complex treatment of chronic prostatitis]. / Normobaricheskaia gipoksiterapiia - éffektivnyi metod v kompleksnom lechenii khronicheskogo prostatita.

The purpose of research consist in an estimation of efficiency of treatment of patients with CP by using normabaric hypoxitherapy (NHT). The basic group (32 patients) received standard treatment and NHT. Control group (20 patients) received only standard treatment. All patients passed j clinical, laboratory, tool inspections. It fixed, inclusion in complex therapy CP normabaric hypoxitherapy was accompanied by essential positive changes on the part of all systems of an organism, and, in turn, considerably raised efficiency of treatment. It was shown in elongation of the period of the remission, expressed positive effects on parameters of hemodynamics, the hormonal status at ill the basic group.

[Psychophysiological characteristics of patients with chronic prostatitis]. / Psikhofiziologicheskie kachestva bol'nykh khronicheskim prostatitom.

The aim of the study was to characterize mental changes in chronic prostatitis (CP) patients after the addition of a combination of local and central reflex physiotherapeutic factors to combined treatment 149 patients with infectious and noninfectious CP entered the study. The study group (n = 94) received combined treatment including physiotherapeutic factors (ANDRO-GIN unit). The control group (n = 55) received standard CP therapy. All the patients have undergone clinical, laboratory, device and psychophysiological examinations. Thus, addition of physiotherapy to combined treatment of CP raises the treatment efficacy and promotes optimization of "an internal picture of illness"--one of major characteristics of the patient's psychological condition.

Internal structure of colloidal aggregates.

A nonlinear model of diffusion-limited growth of three-dimensional colloidal aggregate has been developed. The conditions of internal combination/recombination balance has been considered. Obtained solution shows that the aggregate contains the central dense core and the surrounding loose region, in which the aggregated particle concentration decreases as a power function, according to the fractal cluster properties. The fractal dimension d(f) has been found to be independent on physical and chemical properties of colloidal system. The obtained universal value d(f)=2.5 is in a good agreement with the known experimental and numerical results. The model may be useful for the analysis of a wide class of aggregation phenomena.

Magnetic properties of dense ferrofluids: an influence of interparticle correlations.

A statistical model has been developed describing the magnetostatic properties of dense ferrocolloids and the dielectric properties of polar fluids. The model is based on the relation between the magnetization and the pair correlation function of a spatially homogeneous system of dipole particles. This approach allows us to calculate the ferrofluid magnetization (polarization density of polar fluid) in a form of expansion over both the particle concentration and the potential of the interparticle dipole-dipole interaction U(d). The obtained expressions for the ferrocolloid initial magnetic susceptibility, the dielectric constant of polar fluid and the ferrofluid magnetization with the accuracy approximately U(2)(d) describe well the experimental data and the results of computer modeling. The model justifies the validity of the "modified mean-field approach," and the effective field is calculated as a function of the Langevin magnetization.

[Psychophysiological condition of wounded]. / O psikhofiziologicheskom sostoianii ranenykh.

Psychological and psychophysiological investigation of the casualties with injured extremities was conducted in 3-5 and in 30-40 days after being wounded. It has shown that during stay in clinic some dynamics in their psychic state was observed. Marked asthenization was the leading sign in the initial treatment period. That's why it is reasonable to use not exhausting projective methods and some short questionnaires (scales) at this stage. In a month after starting treating the casualties the aggressive tendency, mood decrease, increase in the reactive anxiety level, sympathetic tonus of vegetative nervous system were coming into the foreground. It characterizes the development of posttraumatic stress disorders. Gradual increase in the casualties' activity is also typical of the hospital treatment period. That's why the psychological and psychophysiological investigation can be supplemented with volumetric personal tests.

[Mechanisms of adaptation effect of normobaric hypoxic therapy]. / Mekhanizmy adaptatsionnogo éffekta normobaricheskoi gipoksiterapii.

It was discovered that brain adaptation to long-term hypoxia operates primarily through lowering frequency of dominating spontaneous activity. EEG parameters can help in assessment of acute hypoxia and predict effectiveness of hypoxic therapy. Patients with definite response to rhythmic photostimulation in the range of alpha-activity tolerate hypoxia well. High presentation of slow waves in the pattern of the initial EEG, especially of teta-rhythm predicts formation of adaptive effect in hypoxic therapy.

[Clinical-physiological aspects of normobaric hypoxic training effects on functional status of patients with neurocirculatory dystonia]. / Kliniko-fiziologicheskie aspekty vliianiia normobaricheskoi gipoksicheskoi trenirovki na funktsional'noe sostoianie bol'nykh neirotsirkuliatornoi distoniei.

Profiles of external respiration and circulation, self-assessment of health, mental performance, sensory functions, and peripheral blood were studied in patients with neurocirculatory dystonia in the course of normobaric hypoxic training. The hypoxic training proved to successfully normalize arterial pressure, eliminate cardiac arrhythmias, and benefit general condition. Substantial strengthening of hypoxic resistance was stated along with an oxygen debt reduction during hypoxia, improvement of sensory coordination and mental performance, and activation of erythropoiesis.