Самсонов Сергей Николаевич (Samsonov Sergey Nikolaevich) (1951)

Место работы автора, адрес/электронная почта: ФИЦ "Якутский научный центр СО РАН", Институт космофизических исследований и аэрономии им. Ю.Г. Шафера СО РАН ; 677980, г. Якутск, пр. Ленина 31 ; e-mail: s_samsonov@ikfia.ysn.ru ; https://ikfia.ysn.ru/institute/

Ученая степень, ученое звание: канд. физ.-мат. наук

ID Автора: РИНЦ AuthorID: 58577

Деятельность: В 1974-1995 гг. работал научным сотрудником, заведующим лабораторией жестких излучений (1993-1995), с 1999 г. - старший научный сотрудник лаборатории магнитосферных частиц в Институте космофизических исследований и аэрономии им. Ю.Г. Шафера.

Документы 1 - 10 из 16
1.

Количество страниц: 4 с.

В данной статье изложены результаты исследования частот встречаемости однонуклеотидных полиморфизмов генов ADD1α (1378 G>T), AGT (704 T>C и 521 C>T), AGTR1 (1166 A>C) и AGTR2 (1675 G>A) у различных этнических групп жителей арктической зоны, страдающих эссенциальной артериальной гипертензией. для обнаружения вышеупомянутых полиморфизмов был использован метод ПЦР в режиме реального времени с детекцией температуры плавления дуплексов. В ходе исследования статистически значимые (p ≤ 0,05) различия между исследуемыми группами были выявлены по точкам ADD1α 1378 G>T; AGT 521 C>T и AGTR1 1166 A>C.
The article presents the results of the study of the frequencies of occurrence of single nucleotide polymorphisms of the genes ADD1α (1378 G> T), AGT (704 T> C and 521 C> T), AGTR1 (1166 A> C) and AGTR2 (1675 G> A) groups of residents of the Arctic zone of the RS (Ya), suffering from essential arterial hypertension. To reveal the above mentioned polymorphisms, a real-time PCR method was used with detection of the melting temperature of duplexes. In the course of the study statistically significant differences between the study groups were identified by the points ADD1α 1378 G> T; AGT 521 C>T and AGTR1 1166 A> C.

Однонуклеотидные полиморфизмы генов ADD1α, AGR, AGTR1 и AGTR2 у различных этнических групп жителей арктической зоны Якутии, страдающих артериальной гипертензией / К. В. Комзин, П. Г. Петрова, А. А. Стрекаловская, С. Н. Самсонов, С. С. Паршина, А. А. Андреева // Якутский медицинский журнал. — 2018. — N 3 (63). — С. 83-86. — DOI: 10.25789/YMJ.2018.63.28.
DOI: 10.25789/YMJ.2018.63.28

2.

Количество страниц: 10 с.

Представлен обзор исследований, проводимых Лабораторией магнитосферно-ионосферных исследований ИКФИА СО РАН, и ее научные достижения.
An overview of scientific studies conducted by laboratory of magnetosphere-ionosphere research SHICRA SB RAS and its scientific achievements are presented.

Магнитосферно-ионосферные исследования в Якутии / Д. Г. Баишев, Р. Н. Бороев, И. А. Голиков, Г. А. Макаров, С. Н. Самсонов, А. Е. Степанов // История науки и техники = History of Science and Engineering. – 2017. – N 9 : ФГБУН Институту космофизических исследований и аэрономии им. Ю. Г. Шафера Сибирского отделения Российской Академии Наук (ИКФИА СО РАН) 55 лет!. – С. 39-47.

3.

Количество страниц: 4 с.

Large-amplitude morning Pc5 magnetic pulsations during the main phase of intense magnetic storm were registered at magnetic stations of 190-200° magnetic meridians on January 21-22, 2005. Magnetic pulsations in the Pc5 frequency range observed at the GOES 10, 12 satellites in the noon and evening sectors exhibited a high degree of magnetic compessibility. A Los Alamos particle detector on board geostationary satellite observed the occurrence of energetic particle flux oscillations in the Pc5 band. The Pc5 pulsations were followed with the VLF-emission and riometer absorption modulation with the same period. The regions of maximal amplitude of Pc5 geomagnetic pulsations and deep modulation of riometer absorptions shifted to high latitudes in the same way. Significant and long-lasting compression of magnetosphere led, probably, to moderate pitch-angle diffusion of particle into the loss cone even at the middle latitudes. Analysis of coordinated data allowed us to suggest that a modulation effects of precipitating particles are caused by a compressional waves.

Manifestation of Magnetosphere Fluctuations during the Large Magnetic Storm of January 21-22, 2005 / D. G. Baishev, E. S. Barkova, V. A. Mullayarov, S. N. Samsonov, S. I. Solovyev, K. Yumoto // Solar Extreme Events Fundamental Science and Applied Aspects Nor-Amberd, Armenia 26-30 September 2005 : proceedings of the Second International Symposium / edited by A. Chilingarian and G. Karapetyan. − Erevan : Cosmic Ray Division, Alikhanyan Physics Institute, 2006. − P. 96-99.

4.

Количество страниц: 3 с.

The Jupiter is a powerful regular source of high-energy electrons (0,2-40 MeV). In this connection their density in the near-Earth space systematically increases with a period of 399 days, which is coincident with the synodic period of Jupiter. According to our estimations, their energy is sufficient to produce a significant local reduction of the magnetic field in the IMF sector connected with the Jupiter. In this paper the evidence is presented that the electron fluxes in the Jovian sector are controlled by the general magnetic field of the Sun. A treatment of 399-day intervals of the electron fluxes and IMF, obtained from spacecraft data for the period of 1963 to 2000 has been performed by superposed epoch technique taking into account the periodic change of the solar magnetic field polarity. Having adopted the Jupiter opposition day to be an epoch zero, the changes in particle intensity and IMF components under different signs of the general magnetic field of the Sun are found by using a large dataset (9925 days). The times of 399-day variation maxima in different periods of solar activity are compared and a character of their displacement relative to Jupiter opposition momentsis discussed.

Skryabin, N. G. Influence of a change in solar magnetic field polarity on the Jovian electron flux intensity / N. G. Skryabin, S. N. Samsonov, I. Ya. Plotnikov // Physics of auroral phenomena : proceedings of the 26th annual seminar, 25 - 28 February 2003. – 2003. – P. 159-161.

5.

Количество страниц: 3 с.

Examination of auroral absorption (AA) occurrence rate and AA meridional distribution versus local time and in the course of the solar cycle has been performed by riometer observations from 1985 to 1995 at the longitude of Yakutsk. Geomagnetic latitude of the region of absorption maximum occurrence changes in the course of the solar cycle from 66.5° to 64.4°. The largest displacement of this region to lower latitudes is observed during years of maximum solar activity. The half-width of the region is ~8° at solar minimum and ~10° at solar maximum. It has been also revealed that the region of AA is shifted to higher latitudes at daytime (1000-1400LT), and to lower ones in the evening (1800-2000LT), the displacement from the daily average position being ~1° and ~3° in the years of solar activity maximum and minimum, respectively. In all years at 2000-2100LT a short-term extension of the AA region by 1-4° is observed. The interpretation of the observationa is proposed.

Sokolov, V. D. The dynamics of auroral absorption parameters in the 22nd solar activity cycle / V. D. Sokolov, S. N. Samsonov // Physics of auroral phenomena : proceedings of the 26th annual seminar, 25 - 28 February 2003. – 2003. – P. 95-97.

6.

Количество страниц: 4 с.

From data of riometer observations from 1986 to 1993 at stations of Kotelny Island, Tixie Bay and Zhigansk the semi-diurnal variations of occurrence frequency of auroral absorption and their dependence on geomagnetic activity have been determined. It has been found that the phase of semi-diurnal variation maximum is systematically shifted to earlier hours with the rise of geomagnetic disturbance. The reason of this experimental fact is discussed.

Sokolov, V. D. Dependence of semi-diurnal variation of auroral absorption on a geomagnetic disturbance / V. D. Sokolov, A. A. Danilov, S. N. Samsonov // Physics of auroral phenomena : proceedings of the 26th annual seminar, 25 - 28 February 2003. – 2003. – P. 91-94.

7.

Количество страниц: 4 с.

Galactic cosmic ray (GCR) diffusion in interplanetary space depends in a certain way on the degree of regularity of the interplanetary magnetic field (IMF). The sector IMF structure is manifested in inhomogeneous GCR distribution in the heliosphere. In parallel with the usual sectors associated with solar activity, one should take into account the sectors, which are caused by the Jupiter activity. It is known that the Jupiter is a powerful regular source of high-energy electrons (0.2-40 MeV), the density of which, on the average, is many times higher than that of solar cosmic rays. The high-energy electrons are systematically registed with the 399-day period in the near-Earth space. According to estimations of the particle energy density their flux is sufficient to decrease the magnetic field in the Jovian sector and can due to corresponding large-scale inhomogeneity in the GKL distribution. Hereby, we present the evidences that the GCR diffusion is noticeably stronger in the sector where there are Jovian electrons. By data on periodic passage of those sectors near the Earth, we have treated neutron monitor data using the superposed epoch technique. The day of the Earth and Jupiter opposition is taken as a zero epoch. At large statistical data (9925 days) it is found that the GCR intensity in that period increases with an amplitude near 1%. The groud effect is manifested with the period of 399 days and its maximum time is in a certain way shifted relative to the planet opposite moment.

Skryabin, N. G. Influence of Jupiter on cosmic ray intensity variations / N. G. Skryabin, S. N. Samsonov, I. Ya. Plotnikov // Physics of auroral phenomena : proceedings of the 25th annual seminar, Apatity, 26 February – 1 March 2002. – 2002. – P. 137-139.

8.

Количество страниц: 4 с.

Sokolov, V. D. Dependence of appearance frequency of auroral absorption on its intensity / V. D. Sokolov, S. N. Samsonov // Physics of auroral phenomena : proceedings of the 25th annual seminar, Apatity, 26 February – 1 March 2002. – 2002. – P. 55-58.

9.

Количество страниц: 3 с.

Возбуждение пульсаций Pc5 в периоды магнитных бурь 29-31 октября и 20-21 ноября 2003 г. и их связь с амплитудной модуляцией ОНЧ-излучения и риометрического поглощения = EXITATION OF Pс5 PULSATIONS DURING THE MAGNETIC STORMS OF OCTOBER 29-31 AND NOVEMBER 20-21 2003, AND THEIR CORRELATION WITH AMPLITUDE MODULATION OF VLF RADIATION AND RIOMETRIC ABSORPTION / С. И. Соловьев, Д. Г. Баишев, Е. С. Баркова, В. А. Муллаяров, С. Н. Самсонов, А. С. Потапов, А. Ду // Солнечно-земная физика = Solar-Terrestrial Physics. – 2005. – Вып. 8 (121) : Труды Международной конференции "Солнечно-земная физика". – С. 169-171.

10.

Количество страниц: 2 с.

Муллаяров, В. А. Взаимосвязь ОНЧ-излучений и поглощения космического радиошума в период больших бурь 29-31 октября 2003 г. = Correlation of LF radiation and cosmic radionoise absorption during large storms on octorber 29-31, 2003 / В. А. Муллаяров, С. Н. Самсонов// Солнечно-земная физика = Solar-Terrestrial Physics. – 2005. – Вып. 8 (121) : Труды Международной конференции "Солнечно-земная физика". – С. 156-157.