Výsledky vyhledávání - "A G, Stepanov"

Akademický článek

Moodle calculated questions as a means of testing knowledge and skills

Autor: Aleksandr G. Stepanov, Valentin M. Kosmachev, Olga I. Moskaleva

Publikováno v: RUDN Journal of Informatization in Education, Vol 20, Iss 3, Pp 294-304 (2023)

Problem statement. Fraud in the conduct of computer testing is a significant risk factor for incorrect assessment of learning outcomes. Modern technical means (smartphones, smart watches, etc.) allow test-takers to freely use the database of correct

Externí odkaz: https://doaj.org/article/e5f5e0e27a5e47f980cebd66527d117d

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Akademický článek

Pathophysiological significance of creatinekinase and lactatedehydrogenase in the mechanisms of adaptation of muscle tissue of descendants

Autor: G. Stepanov

Publikováno v: Journal of Education, Health and Sport, Vol 50, Iss 1 (2023)

Over the past half century, the human population has seen a significant increase in the proportion of individuals exposed to ionizing radiation. One of the urgent problems of radiobiology is the establishment of the natural radiosensitivity of the or

Externí odkaz: https://doaj.org/article/8fc9ba8c2d0a426d8370c8e49acc812f

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Akademický článek

Pathophysiological mechanisms of adaptation of muscle tissue of descendants of irradiated animals to altering influence of ionizing radiation

Autor: G. Stepanov

Publikováno v: Journal of Education, Health and Sport, Vol 48, Iss 1 (2023)

Biochemical processes occurring in a living organism take part in the development of radiation-induced structural disorders, realizing primary damage. As a result, morphological manifestations of radiation damage are preceded by chemical shifts deter

Externí odkaz: https://doaj.org/article/7ecf4a930a4949319272badf4bc43301

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Akademický článek

Peculiarities of the relationship between the terminal site of glycolysis and the initial segment of gluconeogenesis in the myocardium and skeletal muscles of animals irradiated at different doses

Autor: G. Stepanov, R. Vastyanov, A. Kostina, E. Mokriienko

Publikováno v: Journal of Education, Health and Sport, Vol 49, Iss 1 (2023)

Existing types of muscles differ not only structurally, but also metabolically (direction of energy exchange, choice of biosubstrates, dependence on the action of mediators, hormones, etc.). A number of studies have been devoted to the study of the i

Externí odkaz: https://doaj.org/article/953ef350e4114275a65fbbe08c4c2e1b

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Akademický článek

Hematological changes in descendants of animals irradiated in different doses

Autor: G. Stepanov, R. Vastyanov, A. Kostina, E. Mokriienko, N. Lazor

Publikováno v: Journal of Education, Health and Sport, Vol 47, Iss 1 (2023)

An urgent problem today is not only the study of changes in the stability of the genome of somatic cells, the clarification of the mechanisms of its destabilization under the influence of a complex of environmental factors, including radiation, but a

Externí odkaz: https://doaj.org/article/e86019222e404bdaa55efe495df29469

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Akademický článek

ATPase activity of actomyosin and myosin in different types of muscles of intact and irradiated animals

Autor: G. Stepanov, R. Vastyanov, A. Kostina, N. Lazor

Publikováno v: Journal of Education, Health and Sport, Vol 42, Iss 1 (2023)

The large-scale use of sources of ionizing radiation and related accidents caused a fundamentally new problem. The body's resistance to the influence of adverse environmental factors and the probability of pathological disorders are significantly det

Externí odkaz: https://doaj.org/article/9545e073638b462a956c9100e79a2b63

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Akademický článek

Review: proteins c-Myc and Myc-nick as potential targets for the melignant melanoma treatment

Autor: G. Maryniuk, G. Stepanov, K. Oleynik, I. Selyvanska, L. Tereshchenko, Y. Dubna

Publikováno v: Journal of Education, Health and Sport, Vol 42, Iss 1 (2023)

Malignant melanoma is the most aggressive and life-threatening skin cancer with increasing incidences over the past decades. Despite accounting for only 4 % of all skin cancers, melanoma confers 80 % of skin cancer induced death. The underlying cause

Externí odkaz: https://doaj.org/article/a368e10e583b471495910bdf389bc1ec

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Akademický článek

Sulfated Triterpene Glycosides from the Far Eastern Sea Cucumber Cucumaria djakonovi: Djakonoviosides C1, D1, E1, and F1; Cytotoxicity against Human Breast Cancer Cell Lines; Quantitative Structure–Activity Relationships

Autor: Alexandra S. Silchenko, Anatoly I. Kalinovsky, Sergey A. Avilov, Roman S. Popov, Ekaterina A. Chingizova, Ekaterina S. Menchinskaya, Elena A. Zelepuga, Elena G. Panina, Vadim G. Stepanov, Vladimir I. Kalinin, Pavel S. Dmitrenok

Publikováno v: Marine Drugs, Vol 21, Iss 12, p 602 (2023)

Four new mono- and trisulfated triterpene penta- and tetraosides, djakonoviosides C1 (1), D1 (2), E1 (3), and F1 (4) were isolated from the Far Eastern sea cucumber Cucumaria djakonovi (Cucumariidae, Dendrochirotida), along with six known glycosides

Externí odkaz: https://doaj.org/article/6cba1ead07ed41d88567a763e7ac927f

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Akademický článek

Investigation of the dependence of the internal disruptive pressure in a fire hose on geometric densities on the warp and the weft of its woven reinforcing frame

Autor: R. T. Kaldybayev, A. E. Aripbayeva, R. Sh. Mirzamuratova, S. G. Stepanov, A. B. Bekzat

Publikováno v: Алматы технологиялық университетінің хабаршысы, Vol 0, Iss 1, Pp 21-25 (2021)

In this article, based on the obtained formula for calculating the strength of a pressure fire hose(PFN) under the action of internal hydraulic pressure, the dependence of the disruptive pressure in alatex pressure fire hose, designed for an operatin

Externí odkaz: https://doaj.org/article/9b461571ab704a17b4c029dad937d24d

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