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Search Results: 1 - 10 of 488017 matches for " Shatalova M. V. "
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NEW INITIAL MATERIAL FOR RICE SELECTION ON INCREASE OF PRODUCTIVITY Новый исходный материал для селекции риса на повышение продуктивности
Zelenskiy G. L.,Shatalova M. V.
Polythematic Online Scientific Journal of Kuban State Agrarian University , 2013,
Abstract: Future increase of rice productivity is possible in expense of plant change architectonics. Creation of plants with erect position of leaves allows to compact sowings and to increase the productivity of cenosis. There were studied the rice samples with erect leaves and large grain as an initial material for selection on increased productivity
On the preparation of future teachers of pre-school education to work with children at risk
Elena Shatalova
Koncept : Scientific and Methodological e-magazine , 2013,
Abstract: The article is devoted to the preparation of future teachers of pre-school education to work with children at risk. The author examines the theoretical and practical aspects of the training course on the example of choice.
Effective monitoring of drug safety in the region
Smuseva O.N.,Gorbatenko V.S.,Solovkina Yu.V.,Shatalova O.V.
Saratov Journal of Medical Scientific Research , 2012,
Abstract: The purpose of research is to assess adverse drug reactions, which were registered in Volgograd region, using spontaneous reports. Retrospectively notice cards of suspected adverse drug reactions received by the Volgograd regional center of drugs safety monitoring during 2010 and 2011 were analyzed. Evaluation of reliability of causal relationship Drug— Adverse Drug Reaction was carried out in accordance with Naranjo algorithm. In 2011 the volume of registered side effects grew almost 3 times by increasing the activity of doctors than in 2010. We defined the structure of drugs, which caused adverse reactions the most frequently. During these two years doctors rarely reported about adverse drug reactions of type A, so we can suppose that doctors had troubles with detecting causal relationship Drug —Adverse Drug Reaction .
Selected aspects of the condensed matter physics. Work and life of Professor B.Ya. Sukharevsky
V. V. Eremenko,V. G. Manzhely,V. N. Varyukhin,A. D. Alekseev,V. A. Beloshenko,A. Voronel,V. V Pustovalov,V. Ya. Maleev,S. A. Gredeskul,L. P. Mezhov-Deglin,A. Yu. Zakharov,N. Ya. Fogel,I. I. Vishnevsky,V. M. Tsukernik,V. N. Vasyukov,E. P. Feldman,A. V. Leont'eva,Yu. A. Mamaluy,G. G. Levchenko,Yu. V. Medvedev,A. D. Prokhorov,V. M. Yurchenko,B. G. Alapin,V. G. Ksenofontov,A. M. Bykov,E. Lakin,T. L. Pyatigorskaya,S. V. Lysak,A. I. Erenburg,S. Kovalenko,G. E. Shatalova,E. O. Tsybul'sky,A. Yu. Prokhorov,I. V. Zhikharev
Physics , 2010,
Abstract: The paper contains a short description of the scientific papers of Professor Boris Ya. Sukharevsky on condensed matter physics. His basic scientific activity was related to following directions: structural vacancies concept; influence of point defects on statics and kinetics of phase transitions; DNA crystallization and low-dimensional systems properties; phase transitions in Jahn-Teller crystals; Thermophysics of superconductors e.a. The list of most essential papers of Prof. B.Ya. Sukharevsky is included.
A recursive construction of projective cubature formulas and related isometric embeddings
Yuri I. Lyubich,Oksana A. Shatalova
Mathematics , 2013,
Abstract: A recursive construction is presented for the projective cubature formulas of index $p$ on the unit spheres $S(m,K)\subset K^m$ where $K$ is $R$ or $C$, or $H$. This yields a lot of new upper bounds for the minimal number of nodes $n=N_K(m,p)$ in such formulas or, equivalently, for the minimal $n$ such that there exists an isometric embedding $\ell_{2; K}^m \rightarrow \ell_{p; K}^n$.
Genetic polymorphisms in human SULT1A1 and UGT1A1 genes associate with breast tumor characteristics: a case-series study
Ekaterina G Shatalova, Susan E Walther, Olga O Favorova, Timothy R Rebbeck, Rebecca L Blanchard
Breast Cancer Research , 2005, DOI: 10.1186/bcr1318
Abstract: The capacity for SULT1A1*2 to sulfate 17β-estradiol and the capacity for cells expressing SULT1A1*1 or SULT1A1*2 to proliferate in response to 17β-estradiol was evaluated. A case-series study was performed in a total of 210 women with incident breast cancer, including 177 Caucasians, 25 African-Americans and eight women of other ethnic background. The SULT1A1 and UGT1A1 genotypes were determined and a logistic regression model was used to analyze genotype–phenotype associations.We determined that the SULT1A1*1/*1 high-activity genotype was associated with tumor size ≤2 cm (odds ratio = 2.63, 95% confidence interval = 1.25–5.56, P = 0.02). Individuals with low-activity UGT1A1 genotypes (UGT1A1*28/*28 or UGT1A1*28/*34) were more likely to have an age at diagnosis ≥60 years (odds ratio = 3.70, 95% confidence interval = 1.33–10.00, P = 0.01). Individuals with both SULT1A1 and UGT1A1 high-activity genotypes had low tumor grade (odds ratio = 2.56, 95% confidence interval = 1.04–6.25, P = 0.05). Upon stratification by estrogen receptor status, significant associations were observed predominantly in estrogen receptor-negative tumors.The data suggest that genetic variation in SULT1A1 and UGT1A1 may influence breast cancer characteristics and might be important for breast cancer prognosis.Estrogens are involved in the development and progression of breast cancer [1-4]. Women experience various exposures to estrogens, including endogenous production, use of pharmacological estrogens (birth control medications and hormone replacement therapy) and through environmental contact. There are several mechanisms that are believed to be critical for estrogen-mediated carcinogenesis. Estrogens, being estrogen receptor (ER)-mediated mitogens, stimulate cell proliferation and promote the growth of estrogen-responsive transformed cells [5,6]. ER-independent activities of estrogens have recently been elucidated that include cell-signal transduction as well as mutagenicity [4,7-9]. Estrogens
Cross Skin Reactivity to Tyrosine Kinase Inhibitors in a Patient with Chronic Myelogenous Leukemia  [PDF]
V. Broshtilova, M. Balabanova
Journal of Cancer Therapy (JCT) , 2013, DOI: 10.4236/jct.2013.47130

Tyrosine kinase inhibitors (TKI) targeting the bcr-abl protein, c-kit and the platelet-derived growth factor receptors, are significant part of the pathogenic therapy of chronic myelogenous leukemia. A broad spectrum of cutaneous side effects has been described with the clinical use of imatinib mesylate, ranging from various acute rashes to toxic epidermal necrolysis. Herein, a case of cross skin toxicity to TKI in a patient with chronic myelogenous leukemia is presented. In the course of imatinib mesylate therapy the patient developed a grade 4 diffuse lichenoid drug eruption. Six months after switching to nilotinib, hyperpigmented macules and patches spread over his trunk and extremities. To date, few cases of cross skin reactivity to imatinib and nilotinib have been described, none of which showing different clinical phenotypes. Further understanding of the underlying mechanisms and leading to the development of skin rashes from different class of TKI is important to highlight new drug targets and modify the current therapies to a level of maximal efficacy.

Macroscopic Quantum System, Highly Correlated Electron State, and High-Temperature Superconductivity in Iron Pnictides  [PDF]
M. V. Krasinkova
Journal of Modern Physics (JMP) , 2014, DOI: 10.4236/jmp.2014.57063

The qualitative model of the high-temperature superconductivity suggested earlier for cuprates and based on the idea that the superconductivity is associated with delocalized π bonding between ions is not only confirmed by experimental data on iron pnictides but is also improved. It is shown that the FeAs layer state is similar to that of a macroscopic quantum system characterized by a sandwich-type charge distribution in which negatively charged planes are two-dimensional electron crystals of pairs and positively charged planes are formed by positively charged ions. Superconductivity in such a system is accomplished by a two-dimensional Wigner crystal of bosons condensed into one and the same state. The crystal occupies a middle position with respect to charged planes in the sandwich structure, which leads to mutual compensation of all its interactions with all charged planes. The model can prove useful for development of the theory of superconductivity taking into consideration the highly correlated state of all valence electrons that manifests itself in formation of electron crystals with strong Coulomb interactions between them.

Performance Analysis of OFDM Synchronization Using Customized Floating Point for Low Complexity  [PDF]
V. Janakiraman, M. Kannan
Circuits and Systems (CS) , 2016, DOI: 10.4236/cs.2016.710264
Abstract: Orthogonal frequency-division multiplexing (OFDM) is a multi carrier modulation scheme mainly used for digital communications. The performance of OFDM system heavily depends on the synchronization scheme used. In most cases, the accuracy level of synchronization will be worsened by the error caused in fixed point arithmetic involved. In this paper, we analyze the impact of the fixed point arithmetic on the performance of the coarse timing and frequency synchronization. Here with an analytical approach through numerical simulations bit length of IEEE 754 standard single precision format is optimized according to the required degree of accuracy for low complexity. Also, a complete precision level requirement for FFT computations with all possible modulation types is obtained. The proposed precision model is compared with IEEE standard single precision model and its efficiency in OFDM synchronization process is proved through MATLAB simulations. Finally, the complexity reduction of proposed precision model in both addition and subtraction is proved against single precision format using hardware synthesis. Here we proved that more than 50% complexity reduction is achieved as compared to standard precision models without compromising quality. The quality retention of proposed model is proved in both timing and frequency synchronization process.
Non-Linearity of Dynamics of the Non-Equilibrium Systems  [PDF]
V. M. Somsikov
World Journal of Mechanics (WJM) , 2017, DOI: 10.4236/wjm.2017.72002
Abstract: The role of nonlinearities in the dynamics of the non-equilibrium systems is considered. Various types of nonlinearities for dynamical systems with holonomic and nonholonomic constraints are studied. Features of the nonlinearity responsible for the evolution of the systems to the equilibrium are considered. The interrelation of the nonlinearities with the concepts of symmetry breaking is analyzed. Mathematical justification of the irreversibility of the dynamics of systems is offered. Peculiarities of nonlinear nonequilibrium systems connected with hierarchical structure of natural objects are studied.
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