Search Results - "Kalabin, G. A."

Modern Methods for Identification and Quantitative Analysis of Undeclared Phosphodiesterase-5 Inhibitors as Pharmaceutically Active Substances in Dietary Supplements (Review) by Goryainov, S. V., Ivlev, V. A., Orlova, S. V., Nikitina, E. A., Sheremeta, A. V., Vasil’ev, V. G., Kalabin, G. A.

“…This review is devoted to consideration of physicochemical methods for detection of pharmaceutically active substances, in particular, phosphodiesterase-5…”
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Phytochemical Study of the Composition of the Unsaponifiable Fraction of Various Vegetable Oils by Gas Chromatography–Mass Spectrometry by Goriainov, S. V., Esparza, C. A., Borisova, A. R., Orlova, S. V., Vandyshev, V. V., Hajjar, Fadi, Platonov, E. A., Chromchenkova, E. P., Novikov, O. O., Borisov, R. S., Kalabin, G. A.

“…We developed a method for quantitatively analyzing some components of the unsaponifiable fraction of edible oils and validated its characteristics. The…”
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Identification of Terpene Lactones and Flavonol Glycosides in Preparations Based on Ginkgo Biloba Extract and a New Way of Semi-Quantitative Determination of Flavonol Glycosides by 1H NMR Spectroscopy by Vasil’ev, V. G., Prokop’ev, A. S., Kalabin, G. A.

“…The composition of terpen lactones and flavonol glycosides of commercial preparation series based on Ginkgo biloba extracts was investigated by 1 H NMR…”
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Assay of the Composition of Perftoran by NMR Spectroscopy by Ivlev, V. A., Kalabin, G. A., Maslennikov, I. A.

“…A new method for assaying the main components of Perftoran formulation based on 1 H and 19 F NMR spectroscopy was developed. The method was developed for…”
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Rapid Analysis of Suppositories by Quantitative1H NMR Spectroscopy by R. A. Abramovich, S. A. Kovaleva, S. V. Goryainov, A. N. Vorobyev, G. A. Kalabin

“…Rapid analysis of suppositories with ibuprofen and arbidol by quantitative1H NMR spectroscopy was performed. Optimal conditions for the analysis were…”
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New Methodology for Rapid Monitoring of the Authenticity and for Determination of the Pharmaceutical Ingredients of Antibiotics Without the Use of Reference Materials by A. S. Prokop'ev, V. A. Ivlev, V. G. Vasil'ev, S. V. Goryainov, R. A. Abramovich, G. A. Kalabin

“…An analysis of some popular antibiotics was carried out by quantitative 1H NMR spectroscopy and DART mass spectrometry without the use of reference standards…”
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A NEW METHODOLOGY FOR THE EXAMINATION OF SAFETY AND QUALITY OF PHARMACEUTICALS AND DIETARY SUPPLEMENTS by A S Prokop’ev, V A Ivlev, G A Kalabin

“…The aim of the article is a new methodology based on a combination of nuclear magnetic resonance spectroscopy, mass spectrometry and spectroscopy in the near…”
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New semiempirical relationship for evaluation of aromaticity of crude oil and petroleum products from 1H NMR spectra by Kalabin, G. A., Sadykov, B. R., Kushnarev, D. F.

“…A new method was proposed for the evaluation of aromaticity (the percentage of aromatic C atoms in crude oil and petroleum products) based on 1 H NMR spectra…”
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Quantitative NMR spectroscopy in identification and quality control of drugs and herbal biologically active compositions by V A Ivlev, A S Prokop’ev, G A Kalabin

“…The article demonstrates the unique capabilities and prospects of quantitative nuclear magnetic resonance spectroscopy in the control of the authenticity and…”
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Fluorescence analysis of influence of impaction of electric fields from thunderlightings to the state of plant’s photosynthesis by D I Orekhov, G A Kalabin, L M Makalsky

“…In the article are considered the study of fundamental changes in the parameters of fluorescence (TRo/RC, ETo/RC, DIo/RC, ABS/RC, Fv/Fm и PIabs) of the…”
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Fluorescence analysis of chlorophyll as an indicator of physiological state of trees in various pollution conditions of Moscow by D I Orekhov, G A Kalabin

“…In the article are considered the study of fundamental changes in the parameters of fluorescence of the photosynthetic apparatus of trees (birch, linden,…”
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Selection of florescence phytoindicator of industrial pollution by D I Orehov, G A Kalabin

“…In the article are considered the study of fundamental changes in the parameters of fluorescence of the photosynthetic apparatus of trees (birch, lime-tree,…”
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Quantitative nmr spectroscopy for quality control of drugs and pharmaceuticals by Podgorskii, V. V., Mikhalev, A. S., Kalabin, G. A.

“…Results of a comparative analysis of the use of quantitative NMR spectroscopy for the quality control of pharmaceuticals and drugs are presented. Diquertin,…”
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Identification and quantitative determination of active pharmaceutical ingredients in suppositories by a combination of 1H NMR spectroscopy and desorption mass spectrometry by Kalabin, G. A., Goryainov, S. V., Ivlev, V. A., Niftullaev, F. Yu, Abramovich, R. A.

“…A fast, highly sensitive, and precise procedure was proposed for the identification and determination of the composition of suppositories, which are dosage…”
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CHEMICAL СOMPOSITION OF THE BIOLOGICAL SIGNAL FIELD OF STEPPE MARMOT (MARMOTA BOBAK) by E A Vanisova, S V Goryainov, A A Nikol’skii, F Y Niftullayev, O V Soroka, G A Kalabin

“…In the study we have first described the chemical composition of the volatile substances from the top soil layer by the example of the steppe marmot colony…”
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The structure and electrochemical properties of metal complexes with dihydroquercetin by Trofimova, N. N., Stolpovskaya, E. V., Babkin, V. A., Fedorov, S. V., Kalabin, G. A., Goryainov, S. V., Zolotarev, E. E., Safronovc, A. Yu, Kashevskii, A. V., Zhitov, R. G.

“…The structures of zinc ( 2 ), copper(II) ( 3 ), and calcium ( 4 ) complexes with trans -2R,3R-dihydroquercetin ( 1 ) have been elucidated by IR, 2D NMR, mass…”
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Possibilities of low-field NMR spectrometers in screening the content of medicinal substances by G. A. Kalabin, V. G. Vasil’ev, V. A. Ivlev

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Relationship of molecular structure and the growth stimulating activity of humic substances from lignin by N G Bakanova, G A Kalabin, V V Podgorsky

“…Relationship between the descriptors of the molecular composition of humic preparation «Lignohumate®» and growth stimulating activity against radish seeds is…”
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Determination of the fractional composition of merchantable oil using quantitative [sup.1]H NMR spectra by Sadykov, B.R, Starikov, V.P, Sadykov, R. Kh, Kalabin, G.A

“…A simple method based on quantitative [sup.1]H NMR data has been proposed for determining the fractional composition of merchantable oil. DOI:…”
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Determination of the fractional composition of merchantable oil using quantitative 1H NMR spectra by Sadykov, B. R., Starikov, V. P., Sadykov, R. Kh, Kalabin, G. A.

“…A simple method based on quantitative 1 H NMR data has been proposed for determining the fractional composition of merchantable oil…”
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