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Your search keyword '"Mikhailova, V. A."' showing total 2 results
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2 results on '"Mikhailova, V. A."'

1. Determination of the relaxation characteristics for solvents from non-stationary spectra: the role of the gating pulse duration

Author

null Ivanov A. I., null Mikhailova V. A., and null Yermolenko I. P.

Abstract

The previously developed approach to the analysis of experimental spectra of non-stationary fluorescence has been improved by taking into account the effect of the duration of the gating pulse and a more accurate description of the initial stage of solvent relaxation. The exponential function used to describe the inertial component of relaxation has been replaced by the Gaussian function. This approach explicitly takes into account the reorganization and relaxation of the solvent and intramolecular vibrations. It includes an explicit description of the wave packet formation in the excited state of the fluorophore. The improvement of the approach made it possible to refine the relaxation characteristics of a number of solvents: ethylene glycol, dimethyl sulfoxide, butyronitrile, ethyl acetate, diethyl ether, dipropyl ether. Keywords: nonequilibrium of the nuclear subsystem, Stokes shift, relaxation of intramolecular vibrations, inertial component of solvent relaxation

Published
2022

2. [Molecular genetic characteristics of the strain A/chicken/Moscow/2/2007 (H5N1) strain from a epizootic focus of highly pathogenic influenza A among agricultural birds in the neear-Moscow region (February 2007)]

Author

Lvov, D. K., Shchelkanov, M. Yu, Prilipov, A. G., Deryabin, P. G., Akanina, D. S., Galkina, I. V., Grebennikova, T. V., Fedyakina, I. T., Alkhovsky, S. V., Usacheva, O. V., Kireyev, D. Ye, Slavsky, A. A., Starikov, N. S., Petrenko, M. S., Mikhailova, V. V., Usachev, Ye V., Sadykova, G. K., Morozova, T. N., Samokhvalov, Ye I., Yudin, A. N., Vitkova, O. N., Shcherbakova, L. O., Alexei Zaberezhny, Kalmykov, M. V., Gromashevsky, V. L., Aliper, T. I., Yakovlev, S. S., Vlasov, N. A., Nepoklonov, Ye A., and Suarez, D.

Subjects
Influenza A Virus, H5N1 Subtype, Sequence Homology, Chick Embryo, Poultry, Disease Outbreaks, Russia, Viral Proteins, Dogs, Amino Acid Substitution, Cricetinae, Influenza in Birds, Zoonoses, Animals, Phylogeny
Abstract

Among agricultural birds in the near-Moscow Region (February 2007), local epizootics caused by the highly pathogenic avian influenza A/H5N1 virus seem to be of unintended manual origin. Such a situation may be considered to be model when the source of inoculation is elucidated in cases of potentially possible acts of bioterrorism. Molecular genetic analysis of isolated A/chicken/Moscow/2/2007 strain established its genetic similarity with the highly pathogenic strains detected in the Black-and-Caspian Sea region in 2006. At the same time, comparison of nucleotide sequences of the strain A/chicken/Moscow/2/2007 with the strains of Qinghai-Siberian genotype (CSG) for which the sequences of full-sized genomes are known in the international databases revealed a significant distinction of the near-Moscow strain from the earlier known analogues. The uniqueness of the primary structure of the PB1 gene is shown. The paper discusses the functional value of amino acid substitutions in the proteins of the strain A/chicken/Moscow/2/2007 and in other variants of CSG of the subtype H5N1.

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