Výsledky vyhledávání - "I. A. Revel'skii"

A New Approach to the Assessment of the Safety of Tea, Coffee, Cocoa, and Vegetable Oils, Based on the Rapid Screening of Samples for the Total Concentration of Fluorine-, Chlorine-, and Bromine-Containing Organic Compounds

Autor: M. E. Chivarzin, M. A. Gerasimov, A. V. Skal’nyi, Alexei K. Buryak, I. A. Revel’skii, A. V. Frolova, A. I. Revel’skii, A. M. Dolgonosov

Publikováno v: Journal of Analytical Chemistry. 76:613-620

We propose a new approach to assessing the contamination of tea, coffee, cocoa, and vegetable oils with F-, Cl-, Br- and S-containing organic pesticides and other hazardous anthropogenic and natural compounds at a trace level. The approach ensures th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f9c9fed210354a81e6a13eaa261ab0e
https://doi.org/10.1134/s1061934821050154

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Determination of the Total Concentration of Halogen- and Sulfur-Organic Compounds in Vegetable Oils of Different Degrees of Purity—a New Approach to Assessing Their Safety

Autor: I. A. Revel’skii, M. E. Chivarzin, A. V. Skal’nyi, A. S. Samokhin, D. S. Khaibullin, A. M. Dolgonosov, Alexei K. Buryak, M. A. Gerasimov, A. I. Revel’skii

Publikováno v: Journal of Analytical Chemistry. 75:1054-1058

A methodology is proposed for the highly selective, sensitive, and reliable determination of the total concentration of halogen and sulfur organic compounds in vegetable oils in the presence of inorganic salts, based on the direct high-temperature co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe2a1b4d867b2ed363068341f6e619df
https://doi.org/10.1134/s1061934820080110

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New Approaches to Analytical Control Based on the Determination of the Total Concentration of Halogen- and Sulfur-Containing Organic Compounds at the Trace Level

Autor: M. E. Chivarzin, A. I. Revel’skii, I. A. Revel’skii, Alexei K. Buryak

Publikováno v: Journal of Analytical Chemistry. 74:176-181

The problem of determining the most toxic halogen- and sulfur-containing organic compounds at the trace level in different media by rapid screening based on the high-temperature oxidative conversion of a sample in combination with ion chromatography

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f96e12f32aaefa2b1f481cc7805037d
https://doi.org/10.1134/s1061934819010088

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Atmospheric Pressure Photoionization Mass Spectrometry: New Capabilities for the Determination of the Numbers of Components in Complex Mixtures and Their Identification

Autor: I. A. Revel’skii, A. I. Revel’skii, Yu. S. Yashin

Publikováno v: Journal of Analytical Chemistry. 74:192-197

The atmospheric pressure photoionization and photochemical ionization mass spectrometry (APPI/APPCI−MS) makes it possible to compare the number of peaks in a mass spectrum with the number of components in the test mixture because of the measurement

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::037eff131fc89e5253b557141220646c
https://doi.org/10.1134/s1061934819020102

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Comparison of electron ionization mass spectra of some organic compounds (MW < 200 Da) recorded on mass spectrometers of various types

Autor: A. I. Revel’skii, I. A. Revel’skii, A. S. Samokhin

Publikováno v: Journal of Analytical Chemistry. 66:1432-1436

Low-resolution electron ionization mass spectra recorded on various types of mass spectrometers (time-of-flight, quadrupole, and three-dimensional ion trap) were compared. A model mixture of 10 organic compounds (MW 900). In some cases, the mass spec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0405a494ee5be43f2a9ce15b85623b97
https://doi.org/10.1134/s1061934811140176

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A new approach to comparison of original pharmaceuticals and generics based on comparison of multidimensional impurity profiles using supercritical fluid extraction, liquid extraction, and GC-MS

Autor: A. S. Samokhin, D. A. Chepelyanskii, I. N. Glazkov, D. A. Burmykin, A. I. Revel’skii, I. A. Revel’skii, Yu. S. Yashin

Publikováno v: Russian Journal of Physical Chemistry B. 5:1245-1249

This paper reports on our effort to study the possibility of comparing the original pharmaceuticals and their analogs (generics) based on comparisons of the multidimensional profiles of impurities isolated from samples by supercritical fluid extracti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51f546e50415b68f8409ac83e8608f4a
https://doi.org/10.1134/s1990793111080094

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A new approach to determining derivatization degree and its use for the investigation of silylation of methyltestosterone in nano-/microgram amounts

Autor: I. A. Revel’skii, Grigory Rodchenkov, A. I. Revel’skii, A. S. Samokhin, E. D. Viryus, D. A. Chepelyanskii, T. G. Sobolevskii

Publikováno v: Journal of Analytical Chemistry. 66:1186-1189

A new approach to establishing the yield of derivatization reactions of difficult-to-derivatize steroids is proposed on the basis of the comparison of the areas of chromatographic peaks between the native form of the analyte and its derivative. The i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36820d533739a4a8837d8e9f4d9e63d6
https://doi.org/10.1134/s1061934811120082

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Influence of surface in the course of mass spectrometry studies of pentoxifylline in the course of laser desorption ionization

Autor: Alexei K. Buryak, I. A. Revel’skii, S. A. Paramonov, K. R. Chamyan

Publikováno v: Protection of Metals and Physical Chemistry of Surfaces. 47:767-772

The influence of the essence of surface on mass spectrometry behavior of the medication, i.e., pentoxifylline, in the course of surface-enhanced laser desorption/ionization. For surfaces, we used a standard stainless-steel target for mass-spectrometr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dcd4c8d8cc47b8baa8e65b64e609682c
https://doi.org/10.1134/s2070205111060049

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Determination of monosaccharides by reaction gas chromatography/mass spectrometry with reagent removal from the reaction mixture

Autor: A. V. Ledneva, A. V. Andriyanov, A. I. Revel’skii, I. A. Revel’skii

Publikováno v: Journal of Analytical Chemistry. 65:1364-1369

A method for determining monosaccharides has been developed, which involves their derivatization with N,O-bis-(trimethylsilyl)trifluoracetamide in the presence of pyridine in an ultrasonic field followed by the removal of the remaining derivatizing a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00c642c7c5f1dce97595f4b7238658b9
https://doi.org/10.1134/s1061934810130095

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