Synthesis of Orthorhombic Tin Dioxide Nanowires in Track Templates.

Electrochemical deposition into a prepared SiO/Si-p ion track template was used to make orthorhombic SnO vertical nanowires (NWs) for this study. As a result, a SnO-NWs/SiO/Si nanoheterostructure with an orthorhombic crystal structure of SnO nanowires was obtained. Photoluminescence excited by light with a wavelength of 240 nm has a low intensity, arising mainly due to defects such as oxygen vacancies and interstitial tin or tin with damaged bonds.

[The factors of antioxidant defence in the blood and liver of pheasants during ontogenesis].

The changes in activity of antioxidant enzymes of LPO products and lipophilic bioantioxidants of pheasants during the period from 1 day up to 60-day age was investigated for the first time. It is shown, that insufficiently generated enzymatic antioxidant systems is a cause and result of high intensity of processes of free-radical LPO in 1-day pheasants tissues. The compensated increase of antioxidant enzymes (SOD, CAT) activity during the early period of postnatal ontogenesis does not prevent from the fast exhaustion of a pool of the main lipophilic bioantioxidants that in its turn provokes the inhibition of antioxidant system enzymes reactions.

[Formation of antioxidant defence system of geese in embryogenesis and early postnatal ontogenesis].

The features of antioxidant protection of tissues of a liver and blood of the gooses in embriogenesis and early postnatal ontogenesis are found out. Maximal contents TBA active products both in a liver, and in a blood are observed in 28 diurnal embriones. Is shown, that in a liver the activity of basic antioxidant enzymes (superoxide dismutases, catalase and glutathione peroxidase) in a liver is developed already at early stages embriogenesis and is considerably enlarged in the end embriogenesis.

[Ontogenic characteristics of lipid peroxidation and antioxidant system enzymes in the brain of geese].

Peculiarities of antioxidant homeostasis of geese brain tissue during embryogenesis and early postnatal period have been studied. It has been shown that the cerebrum and hindbrain tissues are characterized by a higher level of lipid peroxidation compared to liver. Main antioxidative enzymes' activity (superoxide dismutase, catalase, glutathione peroxidase) in the brain already reaches its maximum in the middle period of embryogenesis.

[Ontogenic characteristics of changes in fatty acid composition of the liver lipids as a main substrate for peroxidation in geese].

Dynamics of fatty acid composition of geese liver lipids in embryogenesis and early postnatal period has been investigated. High nonsaturation of these tissues lipids is shown during all the period of researches. It is established, that in the second half of embryogenesis and in the beginning of postnatal period (first two weeks) the increase of oleic acid contents is observed with simultaneous decrease of the contents of the polynonsaturated fatty acids (PUFA) showing properties of endogenous bioregulators (arachidonic acid (AA), docosahexaenoic acid [figure: see text] (DHA).