23 Result(s)

Article

Shifts in metabolism and its regulation under the effect of spaceflight factors

The review discusses the results of studies on adaptive changes in metabolism and its neuroendocrine regulation in humans and animals exposed to spaceflight factors and ground-based simulation of gravitational...

I. M. Larina, I. A. Nichiporuk, O. M. Veselova, G. Yu. Vasilieva… in Human Physiology (2015)

Article

Application of enzyme immunoassay for detection of the nitrogen-fixing bacteria of the genus Azospirillum in soil suspensions

The enzyme immunoassay of soil suspensions was performed using antibodies against the lipopolysaccharides of Azospirillum brasilense model strains in order to assess the monthly population dynamics of the A. bras...

A. I. Krasov, I. A. Popova, Yu. A. Filip’echeva, G. L. Burygin… in Microbiology (2009)

Article

Specific Features of Metabolism in Humans Performing a Physical Exercise Test after 7-Day Dry Immersion

Healthy male volunteers (n = 5) aged 27–42 years participated in experimental studies (7-day immersion) designed to simulate the effects of microgravity. To study the metabolic changes caused by decreased weight ...

L. B. Buravkova, I. M. Larina, I. A. Popova in Human Physiology (2003)

Article

³¹P NMR Study of Complexation between Thallium(III) and Diethylenetriaminopentakis(methylenephosphonic Acid)

Aqueous solutions containing thallium(III) and diethylenetriaminopentakis(methylenephosphonic acid) (DTPP, H₁₀Dtpph) in a ratio of 1 : 1 were studied by ³¹P NMR spectroscopy in a pH range from 4 to 11. Complexati...

I. A. Popova, K. I. Popov in Russian Journal of Coordination Chemistry (2003)

Article

Low-Temperature Crystal Growth in Aqueous Systems

The conditions for the crystal growth of various substances (salts, amino acids, and others) in aqueous systems between the eutectic (≤0°C) and room temperatures were studied. The ingots prepared by freezing s...

O. B. Yatsenko, I. G. Chudotvortsev, A. A. Fedorets, D. L. Kotova… in Inorganic Materials (2001)

Article

Transformation of the Phase Composition and the Mechanism of Transition Region Structuring in a Ferrite-Pearlite Steel Subjected to Thermal-Cycling Borating

The structure and diffusion borating processes of 10-grade ferrite-pearlite steel subjected to thermal cycling are examined. Investigations are carried out by the methods of optical and electron diffraction mi...

A. M. Gur'ev, É. V. Kozlov, A. I. Zhdanov, L. I. Ignatenko… in Russian Physics Journal (2001)

Article

Energy substrates, hormone responses and glucocorticoid binding in lymphocytes during intense physical exercise in humans following phosphocreatine administration

Eight healthy untrained male volunteers pedalled a cycle ergometer according to two exercise protocols: the first involved step-wise increasing physical exercise to maximal (MPE); the second involved prolonged...

D. V. Vorobiev, E. G. Vetrova, I. M. Larina… in European Journal of Applied Physiology and… (1996)

Article

Ca²⁺ transport in the myocardial sarcoplasmic reticulum of rats during antiorthostatic off-loading and during readaptation

The rate of Ca²⁺ accumulation in the myocardial sarcoplasmic reticulum is studied in experiments on rats under conditions of hind paw functional off-loading by suspending animals by the tail for 1 to 40 days, as ...

V. V. Stepanova, Yu. V. Arkhipenko… in Bulletin of Experimental Biology and Medic… (1994)

Article

Ca²⁺ transport of the skeletal muscle sarcoplasmic reticulum during readaptation of rats after a 40-day load relief on the hind paws

The rate of Ca²⁺ accumulation in the sarcoplasmic reticulum of the skeletal muscle (m. gastrocnemius lateralis, m. vastus medialis, andm. soleus) is studied in rats under conditions of functional off-loading of t...

V. V. Stepanova, I. A. Popova… in Bulletin of Experimental Biology and Medic… (1994)

Article

Ca²⁺ transport by rat skeletal muscle sarcoplasmic reticulum during load relief of the hind paws

Yu. V. Arkhipenko, I. A. Popova… in Bulletin of Experimental Biology and Medic… (1993)

Article

Influenza A virus reassortants with surface glycoprotein genes of the avian parent viruses: effects of HA and NA gene combinations on virus aggregation

A series of 33 human-avian and human-mammalian influenza virus reassortant clones possessing either HA or both HA and NA genes of the avian or mammalian virus was obtained by crosses of A/USSR/90/77 (H1N1) hum...

I. A. Rudneva, V. P. Kovaleva, N. L. Varich, V. R. Farashyan… in Archives of Virology (1993)

Article

Choice of the alumina-feldspar ratio in high-strength porcelain bodies

I. A. Popova, D. B. Kreimer in Glass and Ceramics (1990)

Article

Biochemical treatment of refinery wastewater

V. Ya. Gerber, V. I. Luk'yanov, I. A. Popova in Chemistry and Technology of Fuels and Oils (1979)

Article

Effect of properties of clayey raw material on production losses in the output of aluminous-porcelain insulators

I. A. Popova, I. A. Matusov in Glass and Ceramics (1978)

Article

Study of the processes in the electrode crater and the discharge zone during spectral determination of the platinum metals

L. I. Pavlenko, L. V. Simonova, A. V. Karyakin… in Journal of Applied Spectroscopy (1974)

Article

Investigation of the oxidation of VCl₃ by perchlorate ions in the presence of certain complexones

1. The composition of the complexes formed in the systems V(III)-complexone was studied by spectrophotometric an...

R. P. Tishchenko, N. I. Perchurova… in Bulletin of the Academy of Sciences of the… (1974)

Article

Technical properties of wet-beneficiated kaolins and their structural and mechanical properties

I. A. Popova, N. I. Kholodok in Glass and Ceramics (1973)

Article

Structural and mechanical properties of wet-prepared kaolin

I. A. Popova, N. I. Kholodok in Glass and Ceramics (1973)

Article

Study of the structure of molding porcelain body by radiointroscopy

V. N. Rudakov, A. N. Belyanin, I. A. Popova, E. N. Grishaeva in Glass and Ceramics (1972)

Article

Effect of biogenic amines on γ-amylase (acid α-glucosidase)

Норадреналин, дофамин, тирамин и триптамин тормозят γ-амилазу печени и сердца крыс. Ингибиторы моноаминоксидазы предупреждают этот эффект.

V. Z. Gorkin, V. N. Synyukhin, I. A. Popova, V. S. Orlova, E. L. Rosenfeld in Experientia (1971)