North Caucasian Zonal Research Veterinary Institute

Novocherkassk, Russia

North Caucasian Zonal Research Veterinary Institute

Novocherkassk, Russia

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Levchenkov S.I.,Russian Academy of Sciences | Shcherbakov I.N.,Southern Federal University | Popov L.D.,Southern Federal University | Uraev A.I.,Southern Federal University | And 4 more authors.
Journal of Structural Chemistry | Year: 2015

Pyrazolate bridging binuclear copper(II) complex with a heterocyclic azomethyne ligand (a condensation product of 1,3-diaminopropanol-2 with 1-phenyl-3-methyl-4-formyl-5-mercaptopyrazole) is synthesized and structurally characterized. The structure of the complex is compared with the structure of its pyrazolone analogue. It is shown that for the 2J calculation the use of the previously optimized geometry rather than the geometry from the XRD data results in better agreement with the magnetochemical experiment. © 2015 Pleiades Publishing, Ltd.


Aksenova P.V.,North Caucasian Zonal Research Veterinary Institute | Ermakov A.M.,North Caucasian Zonal Research Veterinary Institute | Kartashov S.N.,North Caucasian Zonal Research Veterinary Institute | Mironova L.P.,North Caucasian Zonal Research Veterinary Institute | And 3 more authors.
European Journal of Physical and Health Education | Year: 2014

The article presents the results of the study on the viability of microinjected embryos in goats, as well as determining the level of engraftment of transplanted embryos, depending on the season. Also, a new scheme of getting even-aged oocytes at the stage of two pronuclei was proposed. Polyovulation in donor goats amounted to 16.4 of corpus luteum per head. In addition, 11.8 oocytes (embryos)/head were recovered, 87.5% of them being presented by the fertilized oocytes at the stage of two pronuclei. During the transplantation of embryos after microinjection of gene construction, their acceptability was low and amounted to an average of 16.3% (lim 8.3-27%). In sexual season, the acceptability was 3.25 times higher than in nonsexual season. Fetal lysis of already implanted embryos was averaged to 13.7%.


Aksenova P.V.,North Caucasian Zonal Research Veterinary Institute | Ermakov A.M.,North Caucasian Zonal Research Veterinary Institute | Kartashov S.N.,North Caucasian Zonal Research Veterinary Institute | Klimenko A.I.,Don State Agrarian University | And 3 more authors.
Advances in Environmental Biology | Year: 2014

While Russian fine-wool breeds were being created, there are periodically used the method of "fresh blood inflow", i.e. improving heredity by the genetic resource which belongs to one of the parental breeds. In particular, Australian Merino was used. They have a high level of wool production. However, the long-term use of the gene pool of Australian Fine Merino-and in the last 4 years Australian Meat Merino-caused changes in a number of physiological indicators of Russian breeds including the reduction of their reproductive activity. That is why the goal of this research is to analyze how the gene pool of Australian sheep influences the reproductive activity of sheep raised in southern Russia. The article gives the established indexes of reproductive activity for the sheep of Stavropol Breed, Soviet Merino, Australian Merino, Australian Meat Merino and their crosses bred by breeding farms of Stavropol Region (the Russian Federation). Besides, the authors found out that the reproductive function-specifically the ejaculate volume, the concentration and mobility of sperm cells and the sperm fertilizing capacity-of Russian fine-wool sheep and Australian Merino do not differ for certain. This testifies to the fact that foreign sheep significantly influence the reproductive function of improved breeds. © 2014 AENSI Publisher All rights reserved.


Levchenkov S.I.,Russian Academy of Sciences | Popov L.D.,Southern Federal University | Shcherbakov I.N.,Southern Federal University | Aleksandrov G.G.,RAS Kurnakov Institute of General and Inorganic Chemistry | And 2 more authors.
Journal of Structural Chemistry | Year: 2013

1′-Phthalazinylhydrazones of salicylaldehyde, its substituted derivatives, and 2-diphenylphosphine-benzaldehyde are synthesized and studied. A description is given of the structures salicylaldehyde 1′- phthalazinylhydrazone (1a) and 2-diphenylphosphinebenzaldehyde 1′-phthalazinylhydrazone (2), which exist in the crystal in the hydrazonophthalazone tautomeric form. Molecules of hydrazone 1a form in the crystal infinite stacks of hydrogen bonded dimers with intermolecular π-stacking interactions. A quantum chemical calculation is made of the geometry and total energy of the possible tautomers in vacuum and in aqueous and chloroform solutions. The hydrazonophthalazone tautomers are shown to be the most stable in all cases. The X-ray crystallography results are compared with the calculated data. © 2013 Pleiades Publishing, Ltd.


Popov L.D.,Southern Federal University | Tupolova Yu.P.,Southern Federal University | Levchenkov S.I.,Russian Academy of Sciences | Tsaturyan A.A.,Southern Federal University | And 6 more authors.
Russian Journal of General Chemistry | Year: 2015

New 2-(tosylamino)benzaldehyde bishydrazones and their complexes with copper(II) and zinc(II) have been synthesized. Structure and properties of the prepared compounds have been studied by means of IR and 1H NMR spectroscopy as well as magnetochemistry. Quantum-chemical simulation of the relative stability of tautomeric forms of the bishydrazones has been performed. © 2015 Pleiades Publishing, Ltd.


Kartsev V.G.,InterBioScreen Ltd | Zubenko A.A.,North Caucasian Zonal Research Veterinary Institute | Morkovnik A.S.,Southern Federal University | Divaeva L.N.,Southern Federal University
Tetrahedron Letters | Year: 2015

A new, one-pot approach to 4-acyl-1,2-dihydro-3-benzazepines has been proposed proceeding via a six- to seven-membered heterocyclic ring expansion under the action of α-haloketones. © 2015 Elsevier Ltd. All rights reserved.


Popov L.D.,Southern Federal University | Askalepova O.I.,Southern Federal University | Kaimakan E.B.,Southern Federal University | Tupolova Yu.P.,Southern Federal University | And 7 more authors.
Russian Journal of General Chemistry | Year: 2012

New ligand systems were synthesized by condensation of o- tosylaminobenzaldehyde with quinolin-2-ylhydrazine and 1-methyl-1H-benzimidazol- 2-ylhydrazine. Acid-base properties of the resulting hetarylhydrazones and their complexing power toward bivalent copper, nickel, and cobalt ions were studied. The stability constants of the complexes were determined. © Pleiades Publishing, Ltd., 2012.

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