Interaction of Atoms with Grain Surfaces in Steel: Periodic Dependence of Binding Energy on Atomic Number and Influence on Wear Resistance

E. V. Pushchina, D. K. Obukhov

A. V. Zhirmunski Institute of Marine Biology, Far East Division, Russian Academy of Sciences, ul. Pal'chevskii 17, Vladivostok, 690059 Russia ru.
St. Petersburg State University, Universitetskaya Naberezhnaya 7/9, St. Petersburg, 199034 Russia.

DOI: 10.4236/eng.2012.410B020                

Abstract

The data of our investigations contribute to understanding of cellular mechanisms of the teleost fishes CNS forming in postembryonic development. The revealed peculiarities of structural and neurochemical organization and description of basic histogenetic processes (proliferation, migration and neuronal cell differentiation) during the brain forming in fish, which have signs of fetal organization, widen the existing knowledge about histogenesis of these structures in postembryonic development. It seems conceivable, that during postembrional development in teleost fishes some neurotransmitters and gaseous mediators (NO and H₂S) act as factors, which initiate and regulate the cellular and the tissues processes of genetic program during the brain development. Materials of this investigation define a new experimental model for studying of postembrional neurogenesis processes.

Keywords

Teleostei; Postnatal Neurogenesis; Proliferative Cell Nuclear Antigen (PCNA); Neurotransmitter Signaling; Migration; Tyrosine Hydroxylase; GABA; Development; Pax6; NADPH-diaphorase; Nitric Oxide; Hydrogen Sulfide; Proliferation.

Conflicts of Interest

The authors declare no conflicts of interest.

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