Search Results - "Kratasyuk, V. A."

Redox compounds influence on the NAD(P)H:FMN-oxidoreductase-luciferase bioluminescent system by Vetrova, E V, Kudryasheva, N S, Kratasyuk, V A

“…A review of the mechanisms of the exogenous redox compounds influence on the bacterial coupled enzyme system: NAD(P)H:FMN-oxidoreductase-luciferase has been…”
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Disk-shaped immobilized multicomponent reagent for bioluminescent analyses: Correlation between activity and composition by Esimbekova, E.N., Kratasyuk, V.A., Torgashina, I.G.

“…A disk-shaped reagent based on bacterial NADH:FMN-oxidoreductase and luciferase immobilized into a starch gel is developed. The reagent characteristics, such…”
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Comparative study of immobilized and soluble NADH:FMN-oxidoreductase-luciferase coupled enzyme system by Esimbekova, E. N, Torgashina, I. G, Kratasyuk, V. A

“…The properties of a coupled enzyme system (NAD(P)H:FMN-oxidoreductase and luciferase) from luminous bacteria were studied. The enzymes and their substrates…”
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Enzymatic Biotesting: Scientific Basis and Application by Esimbekova, E. N., Torgashina, I. G., Kalyabina, V. P., Kratasyuk, V. A.

“…The paper provides a review of the current state of research in the field of biotesting, and the problems of environmental studies and ways to solve them are…”
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Viscous Media Slow Down the Decay of the Key Intermediate in Bacterial Bioluminescent Reaction by Lisitsa, A. E., Sukovatyi, L. A., Kratasyuk, V. A., Nemtseva, E. V.

“…The effects of medium viscosity on the decay rate of the 4a-hydroperoxyflavin intermediate of the bioluminescent reaction was investigated. It was found that…”
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Bioluminescent enzymatic rapid assay of water integral toxicity by Esimbekova, E. N., Kondik, A. M., Kratasyuk, V. A.

“…A bioluminescent rapid method was developed to estimate the integral toxicity of natural and wastewater. This method is based on registering the effect of the…”
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NAD(P)H:FMN‑Oxidoreductase Functioning Under Macromolecular Crowding: In Vitro Modeling by Govorun, A. E., Esimbekova, E. N., Kratasyuk, V. A.

“…The functioning of NAD(P)H:FMN‑oxidoreductase (Red) from Vibrio fischeri under conditions of macromolecular crowding (MMC) simulated in vitro by adding…”
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The Prospects for Using Bioluminescent Enzymatic Analysis to Reveal the Exercise Capacity of Sports Horses by Stepanova, L. V., Kolesnik, O. V., Kolenchukova, O. A., Fedotova, A. S., Kolomeytsev, A. V., Makarov, A. V., Kratasyuk, V. A.

“…Bioluminescent testing of saliva of sports horses sampled before and after physical exercise was carried out using a bioenzyme reaction catalyzed by…”
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Gelatin and Starch: What Better Stabilizes the Enzyme Activity? by Esimbekova, E. N., Govorun, A. E., Lonshakova-Mukina, V. I., Kratasyuk, V. A.

“…The regularities of the functioning of a number of enzymes in a viscous environment created by natural polymers, starch and gelatin are examined. Based on the…”
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Stabilization of Butyrylcholinesterase by the Entrapment into the Natural Polymer-Based Gels by Lonshakova-Mukina, V. I., Esimbekova, E. N., Kratasyuk, V. A.

“…A new method for obtaining stable butyrylcholinesterase (BuChE) samples based on the enzyme immobilization in starch and gelatin gels followed by drying is…”
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Set of Enzymatic Bioassays for Assessment of Soil Contamination by Kolosova, E. M., Sutormin, O. S., Esimbekova, E. N., Lonshakova-Mukina, V. I., Kratasyuk, V. A.

“…A concept of the comprehensive assessment of soil contamination is proposed. According to it, the conclusion regarding the presence of toxic substances in the…”
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Principles for Construction of Bioluminescent Enzyme Biotests for Analysis of Complex Media by Kalyabina, V. P., Esimbekova, E. N., Torgashina, I. G., Kopylova, K. V., Kratasyuk, V. A.

“…In this study, we formulated the principles of designing bioluminescent enzyme tests for assessing the quality of complex media, which consist in providing the…”
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Indicators of chemiluminescent and bioluminescent tests of biological liquids in the assessment of physical health by Derevtsova, Svetlana Nikolaevna, Romanenko, A A, Kolenchukova, O A, Stepanova, L V, Nikolaev, V G, Sindeeva, L V, Kratasyuk, V A, Medvedeva, N N

“…The study includes anthropometry of 172 young male, obtained data on the length and body mass, measured the transverse diameters of the shoulders and pelvis,…”
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The use of bioluminescent biotests for study of natural and laboratory aquatic ecosystems by Kratasyuk, V.A., Esimbekova, E.N., Gladyshev, M.I., Khromichek, E.B., Kuznetsov, A.M., Ivanova, E.A.

“…A set of bioluminescent tests was developed to monitor water quality in natural and laboratory ecosystems. It consisted of four bioluminescent systems:…”
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Design of multicomponent reagents for enzymatic assays by Esimbekova, E. N., Lonshakova-Mukina, V. I., Bezrukikh, A. E., Kratasyuk, V. A.

“…Currently, kits containing several lyophilized reagents, which are dissolved and dosed during the analytical procedure, are widely used in biochemical tests…”
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Bioluminescent assay for toxicological assessment of nanomaterials by Esimbekova, E. N., Nemtseva, E. V., Kirillova, M. A., Asanova, A. A., Kratasyuk, V. A.

“…A new method for assessing biotoxicity of nanomaterials, based on the use of soluble bioluminescent coupled enzyme system NAD(P)⋅H:FMN oxidoreductase and…”
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Estimation of energy of the upper electron-excited states of the bacterial bioluminescent emitter by Kudryasheva, N.S., Nemtseva, E.V., Sizykh, A.G., Kratasyuk, V.A., Visser, A.J.W.G.

“…The hypothesis of activity of the upper electron-excited states of the bacterial bioluminescent emitter was verified using dye molecules as foreign energy…”
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Comparative assessment of toxic effects of surfactants using biotesting methods by Evsyunina, E. V, D. O. Taran, D. I. Stom, M. N. Saksonov, A. E. Balayan, M. A. Kirillova, E. N. Esimbekova, V. A. Kratasyuk

“…This study assesses the comparative sensitivity and possibility of obtaining fast results of various methods of biotesting for several surfactants: Tween 85,…”
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Effect of quinones and phenols on the triple-enzyme bioluminescent system with protease by Kudryasheva, N. S., Esimbekova, E. N., Remmel, N. N., Kratasyuk, V. A., Visser, A. J. W. G., van Hoek, A.

“…The study addressed the effects of redox‐active compounds on trypsin activity. Series of organic oxidizers (quinones) and reducers (phenols) were chosen as…”
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The influence of quinones and phenols on the triple NAD(H)-dependent enzyme systems by Kudryasheva, N.S., Kudinova, I.Y., Esimbekova, E.N., Kratasyuk, V.A., Stom, D.I.

“…Kinetics of the triple bioluminescent enzyme system:alcohol dehydrogenase - NADH:FMN oxidoreductase - luciferase in the presence of quinones and phenols has…”
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