Search Results - "Dikunets, M. A"

Aspects of the dynamics of osteogenesis and bone tissue resorption markers concentrations in elite biathlonists due to the compression specificity of the cyclic training aids used at the stages of the early season by Fedotova, E. V., Dudko, G. A., Sidelev, P. A., Dikunets, M. A.

“…Aim : study the dynamics of osteogenesis and bone resorption markers in elite biathlonists owing to the “compression” specifics of cyclic training aids, mainly…”
Get full text

Cross-Sectional Areas of Various Muscle Fibers in Skeletal Muscles of Athletes Training for Endurance, Strength, or Speed-Strength by Missina, S. S., Kriuchkov, A. S., Dikunets, M. A., Myakinchenko, E. B.

“…Based on published data, the mean cross-sectional areas (CSAs) of various muscle fibers (MFs) were compared in athletes training for endurance (EAs), strength…”
Get full text

Determination of the Origin of 19-Norandrosterone in Urine by Gas Chromatography–Isotope-Ratio Mass Spectrometry for Doping Control by Podolskiy, I. I., Sobolevskii, T. G., Dikunets, M. A.

“…The most difficult task in antidoping control is the identification of compounds whose origin can be either endogenous or exogenous. This paper presents a…”
Get full text

DEVELOPMENT OF A TECHNIQUE FOR THE MASS-SPECTROMETRIC DETERMINATION OF GONADOTROPIN-RELEASING HORMONE AND ITS ANALOGS FOR DOPING CONTROL by K. M. Shestakova, G. A. Dudko, M. A. Dikunets

“…In the present study, a rapid, sensitive, and selective method for determination of several synthetic analogues of gonadotropin-releasing hormone in human…”
Get full text

Application of chromatography–mass spectrometry methods to the control of sport nutrition and medicines marketed via internet by Temerdashev, A. Z., Azaryan, A. A., Labutin, A. V., Dikunets, M. A., Zvereva, I. O., Podol’skii, I. I., Berodze, G. T., Balabaev, I. A.

“…Several sport nutrition products and doping drugs sold in the period from 2014 to 2016 were studied using gas and liquid chromatography coupled with…”
Get full text

IDENTIFICATION OF EPO-Fс FUSION PROTEIN BY MEANS OF POLYACRYLAMIDE GEL-ELECTROPHORESIS WITH ISOELECTROFOCUSING (IEF-PAGE)AND IN PRESENCE OF SODIUM DODECYLSULPHATE (SDS-PAGE)/ LAUROYLSARCOSINATE (SAR-PAGE) FOR THE PURPOSE OF ANTI-DOPING CONTROL by P. V. Postnikov, G. I. Krotov, Yu. A. Efimova, M. A. Dikunets

“…The article is devoted to develop of an approach for the identification of new stimulator of ematopoiesis, EPO-Fc fusion protein, which is banned by the World…”
Get full text

APPROACHES TO CHORIONIC GONADOTROPIN QUANTITATIVE DETERMINATION IN ANTI-DOPING CONTROL by I. O. Zvereva, N. B. Savelieva, P. V. Postnikov, Yu. A. Efimova, M. A. Dikunets

“…The article presents the results of the first stage of development of a new quantitative method for human chorionic gonadotropin (hCG) determination by means…”
Get full text

Identification of endogenous and exogenous glucocorticoids by HPLC-MS in human urine by Dikunets, M. A, Appolonova, S. A, Rodchenkov, G. M

“…A selective and sensitive screening method for identifying 20 endogenous and exogenous corticosteroids in human urine is presented. Analysis was performed by…”
Get full text

HPLC-MS/MS investigation of biochemical markers for the disclosure of erythropoietin abuse in sports by Appolonova, S. A., Dikunets, M. A., Rodchenkov, G. M.

“…The polypeptide hormone erythropoietin (EPO), which is a forbidden doping drug, was determined by high-performance liquid chromatography combined with tandem…”
Get full text

Metabolism and pharmacokinetics of nibentan in human blood plasma by Appolonova, S. A, Valiev, V. G, Dikunets, M. A, Kukharenko, A. V, Rodchenkov, G. M, Zeltyn', E. M, Bezprozvannyi, A. B, Gorshkov, V. A, Radzevich, A. E

“…An HPLC method with electrospray ionization and ion-trap mass spectral detection (LC-ESI/MSD Ion Trap SL) for determining nibentan metabolites in human blood…”
Get full text

The use of the deuterated internal standard for morphine quantitation for the purpose of doping control by gas chromatography with mass-selective detection by Savel'eva, N B, Bykovskaia, N Iu, Dikunets, M A, Bolotov, S L, Rodchenkov, G M

“…The objective of this study was to demonstrate the possibility to use deuterated compounds as internal standards for the quantitative analysis of morphine by…”
Get more information

Potential of Surrogate Matrix for the Quantification of S-Adenosylmethionine and S-Adenosylhomocysteine in Human Plasma by Means of Tandem Liquid Chromatography–Mass Spectrometry with Selected Reaction Monitoring by Virus, E. D., Dikunets, M. A., Dudko, G. A., Morozov, S. G.

“…Despite the existing knowledge regarding the metabolic dysregulation of sulfur-containing amino acids in athletes during intense physical exercise, the precise…”
Get full text

Catalytic Detection of Thiourea and Its Derivatives in HPLC Postcolumn Derivatization by Dikunets, M. A., Elefterov, A. I., Shpigun, O. A.

“…A sensitive method for chromatographic determination of thiourea and its N-derivatives has been developed. Thiourea, methyl-, ethyl-, dimethyl-, diethyl-,…”
Get full text

Catalytic Detection of Acetylthiourea in High-Performance Liquid Chromatography by Dikunets, M. A., Osipova, E. S., Elefterov, A. I., Shpigun, O. A.

Get full text

Development of overtraining syndrome: survey of hypotheses by M. A. Dikunets, G. A. Dudko, E. N. Shachnev, E. B. Myakinchenko, O. V. Lyang

“…This review presents current summarized knowledge on definition, causes, symptoms and evidence of overtraining syndrome in athletes. Analysis of biochemical,…”
Get full text

Simultaneous determination of a broad spectrum of nonconjugated xenobiotics by high-performance liquid chromatography-tandem mass spectrometry by Dikunets, M. A., Appolonova, S. A., Rodchenkov, G. M.

“…A procedure was developed for screening 23 corticosteroids, 12 anabolic steroids, 23 diuretics, and 49 central nervous system stimulants and narcotics. The…”
Get full text

Magnetic separation as a new method for the extraction of small molecules from biological fluids of humans by Sukhanova, I. I., Dikunets, M. A., Viryus, E. D., Rodchenkov, G. M.

“…A new version of extraction is proposed for the extraction of doping substances from urine. It is based on magnetic separation using ferromagnetic…”
Get full text

Matrix effect on the determination of synthetic corticosteroids and diuretics by liquid chromatography-tandem mass spectrometry by Dikunets, M. A., Appolonova, S. A., Rodchenkov, G. M.

“…This work presents a high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) procedure for selective and reliable screening of…”
Get full text

Determination of exemestane and 17-hydroxyexemestane by high-performance liquid chromatography coupled with tandem mass spectrometry and high-resolution mass spectrometry by Semenistaya, E. N., Dikunets, M. A., Viryus, E. D., Rodchenkov, G. M.

“…An approach was developed for determining and confirming the presence of exemestane and its metabolite 17-hydroxyexemestane in urine. It is based on the…”
Get full text

Study of the matrix effect on the determination of nonconjugated xenobiotics in human urine by high-performance liquid chromatography/tandem mass spectrometry by Dikunets, M. A., Savel’eva, N. B., Bolotov, S. L., Virus, E. D., Rodchenkov, G. M.

“…Factors affecting the sensitivity and selectivity of the determination of diuretics, anabolic steroids, central nervous system stimulants, and narcotics in the…”
Get full text