Mutual influence of intermodal and fundamental four-wave mixing of 1.0 µm and 1.5 µm nanosecond pulses in a dual-wavelength fiber laser.

We introduce the experimental and theoretical investigation of the mutual influence of two four-wave mixing (FWM) processes during the propagation of high-power nanosecond pulses at 1030 nm and 1562 nm wavelengths in the few-mode optical fiber. Both fundamental mode FWM (FM FWM) of laser pulses at these wavelengths, and intermodal FWM (IM FWM) of 1030 nm pulses, have common anti-Stokes components at 1003 nm wavelength. This leads to the mutual influence of FWM effects.

Social-Psychological Satiety: Empirical Study of a New Phenomenon.

This article is devoted to the development of a new phenomenon in the field of social psychology of the city-satiety with living conditions in a metropolis. The study involved 87 people aged 18-30 years. The aim of the study was to identify and analyze the expression of the satiety of young Moscovites with living conditions in the metropolis, and its dependence on the sources of experience of this state.

[COMPARATIVE ANALYSIS OF TIGHT JUNCTIONS OF EPITHELIUM OF RATS JEJUNUM UNDER THE EFFECT OF LIPOPOLYSACCHARIDE AND CHOLERA TOXIN].

Aim: Comparative study of tight junctions and ultrastructure alterations of enterocytes of mucous membranes of jejunum of rats under the effect of lipopolysaccharides and cholera toxin.

Materials And Methods: Lipopolysaccharides (Sigma-Aldrich, Germany) and cholera toxin (Sigma-Aldrich, Germany) were used. The study was carried out in Wistar line rats.

[Calculi in artificial urethra].

The article presents a successful experience of the treatment of long-term complication of ure-throplasty performed by the modified Cecil-Culp procedure using flap of skin of the scrotum with preserved hair follicles. The removal of calculi in artificial urethra occurring decades after the surgery was required. The use of combined method oftreatment led to a good clinical outcome.

[Early progressive organ failure in patients with severe acute pancreatitis].

The aim of the study was to investigate the role of early multiple organ failure in 152 patients with severe acute pancreatitis admitted to the intensive care unit for the period from 2002 to 2009. The group of patients with early progressive multiple organ failure had high early (29%) and overall mortality (45%) rate, infectious complications rate (39%) and long intensive care unit stay (median - 8 (5; 18) days). Based on the statistical analysis of data the criteria to predicted risk progression of multiple organ failure on admission were: APACHE II score ≥12, SOFA score ≥4, failure >2 organs/systems, Ranson score ≥7.

[Sorption properties of various polysaccharide matrixes to Lactobacillus plantarum 8RA-3 bacteria].

Aim: Study of sorption properties of various spherical polysaccharide matrixes designated as Spherocell to probiotic Lactobacillus plantarum 8RA-3 bacteria.

Materials And Methods: Industrial strain of L. plantarum 8PA-3 was used.

Toward a theory for low-frequency spin dynamics in plane copper oxide superconductors: crossover from localized spins to weak coupling charge carriers with doping.

We explore for all wavevectors through the Brillouin zone the dynamic spin susceptibility χ(total)(+,-)(ω, q) that takes into account the interplay of localized and itinerant charge carriers. The imaginary part, Imχ(total)(+,-)(ω, q), has peaks at the antiferromagnetic wavevector Q = (π, π) and a diffusive-like, extremely narrow and sharp peak (symmetric ring of maxima |q| = q(0)) at very small wavevectors Q(0) is proportional to w/J ≈ 10(-6) with the nuclear magnetic/quadrupole resonance frequency ω and the superexchange coupling constant J. We demonstrate the capability of Imχ(total)(+,-)(ω, q) for plane copper (63)(1/T(1)) and oxygen (17)(1/T(1)) nuclear spin-lattice relaxation rate calculations from carrier free right up to optimally doped La(2 - x)Sr(x)CuO(4) and obtain the basic features of temperature and doping behavior for (63)(1/T(1)) in agreement with experimental observations.

London penetration depth in the tight binding approximation: orthorhombic distortion and oxygen isotope effects in cuprates.

We present a simple derivation of an expression for the superfluid density n(s) α 1/λ(2) in superconductors with the tight binding energy dispersion. The derived expression is discussed in detail because of its distinction from the known expressions for ordinary superconductors with parabolic energy dispersion. We apply this expression for the experimental data analysis of the isotope effect in London penetration depth parameter λ in the BiSrCuO and YBaCuO family compounds near optimal doping, taking into account the orthorhombic distortion of crystal structure, and estimate the isotopic change of hopping parameters from the experimental data.

[Disorganization of biofilms of clinical strains of staphylococci by metabolites of lactobacilli].

Aim: To study morpho-physiologic characteristics of clinical biofilm-forming strains of Staphylococcus aureus and S. epidermidis suppressed by metabolites of lactobacilli, which produce bacteriocin-like substances.

Materials And Methods: Two clinical biofilm-forming strains of S.

[A case of transient complete suppression of cerebral electrical activity during anesthesia based on propofol].

In an anesthesiologist's practice, except the occurrence of clinical death on the operating table a long-term complete suppression of the electrical activity of the brain may arise only from the medical staff's crude error when administering intravenous anesthetics from the unlikely breakage of the anesthesia apparatus vaporizer. However, the authors assert that such a phenomenon may develop during general anesthesia using propofol given in its usual doses. Clinical examples are given.

[Prolonged pulmonary ventilation in critically ill patients].

Treatment results of 336 patients in critical state who had required prolonged (3-115 days) artificial pulmonary ventilation were analyzed. 3 groups were defined: 98 patients with complications after operations on thoracic and abdominal organs and organ failure development; 55 patients with surgical infection and sepsis; 183 patients with extensive burning injury III AB-IV degrees. Particular features of prolonged artificial pulmonary ventilation were studied.

[The sociological study of the nonresident patients].

The study of opinions of the patients dwelling in the various regions of the Russian Federation concerning their treatment in the curative preventive institutions of Samarskaya Oblast. Among nonresident patients 52% had an opportunity to pay for additional medical services in the medical institutions of Samarskaya Oblast. This fact testify that among population of neighboring regions the solvent demand of certain kinds of medical care is formed.

[Clofelin in the regimen of intravenous anesthesia during surgery for severe burns].

The data on clofelin effect on the course of total anesthesia are contradictory. Clofelin effect on hemodynamics, drug doses, depth of anesthesia, and time of awakening after surgery was studied in 28 male patients with extensive deep thermal injuries in a state of acute burn toxemia and septicotoxemia. Randomized double blind study was carried out in 2 groups: study group, in which clofelin was injected intravenously (2.

[Propofol-based protocol of general anesthesia for operations in patients with severe burns with ASA class III-IV].

Use of propofol in surgery on critical patients is limited because of the possibility of poorly corrected hypotonia. The effects of total anesthesia with propofol + fentanyl + nitric oxide under conditions of artificial ventilation of the lungs (tracrium) were evaluated during 63 operations on 42 patients with severe burns (ASA III-IV), divided into 2 groups depending on the protocol of anesthesia. The difference in the protocols consisted in the method of choice of anesthetic doses: in group A we proceeded from EEG data (bispectral index--BIS) and in group B relied only on general clinical and hemodynamic signs with a retrospective analysis of BIS.

[Bispectral index (BIS)--a new ideology in solving an old problem].

A new method of electroencephalogram (EEG) processing is discussed: bispectral index (BIS), used for monitoring the depth of total anesthesia. The technology of BIS estimation is a principally novel approach to EEG processing, which can be denoted as an expert conclusion. EEG monitor Aspect A-100 (Aspect Medical System, USA) has been used for 3 years in the operation room during narcoses with barbiturates, propofol, midasolam, fentanyl, calypsol, isoflurane, and nitric oxide.

[Marriage in old age groups (medico-social aspects)].

Recently married elderly people change attitude to hospital treatment and living in asylums; they prefer care rendered at home and hospital-substituting forms of care; hospitalization and ambulance care are less needed and permanent social workers are required less. All this promotes rational utilization of the potentialities of therapeutic institutions and saving of public health and social protection resources.

[Contractile function of ureter in its anomalies in children].

A study on the testing unit was made of a contractile function of ureteral fragments removed at reconstructive operations for vesicoureteral reflux (VUR), neuromuscular dysplasia (NMD) and pelvoureteral segment stricture (PUSS). The study parameters (wall rigidity, amplitude of the contractions, potassium depolarization contracture, responses to adrenoreactive drugs) in patients with VUR were close to normal, whereas in those with NMD or PUSS changed significantly, especially in PUSS patients. Ureteral contractility impairment was heterogenic in all the groups, varying from intact to lost and did not correlate either with age or the disease stage.

[Duplication of the penis in a 4-year-old child].

A rare case of double penis in a 4-year-old child is reported. The defect was successfully corrected surgically.

[The choice of the type of operation in hydronephrosis in children].

113 hydronephrosis children underwent Andersen-Hynes operation, 62 Calp de Werd operation. The ureteropelvic segment was examined morphologically. 3 macroscopic variants of ureteral structure and 5 variants of leiomyocyte presence in the muscular lining of the ureter are defined.

[Hydronephrosis in children].

The authors followed up 125 children with hydronephrosis aged 4-15. The diagnosis was based on ultrasound, radiological, x-ray, pelvic electromyography. Vitaiker's test findings.

[Hygienic substantiation of maximum allowable concentration of isatrin in the soil].

Isatrin (bioresmethrin) maximum allowable concentration in soil at level 0.05 mg/kg based on translocation and sanitary and toxicologic standardization is offered. Mathematical model taking account of soil factors (humidity, temperature and type of soil) and initial concentration of isatrin has been derived.