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14 Result(s)

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  1. No Access

    Article

    Polymer films as indicator of hydrogen spillover through the gas phase

    Films of poly-ε-caproamide (PA), polyethylene (PE), and polyethylene terephthalate (PET) were used for detection of hydrogen spillover through the gas phase. The hydrogen used in the experiments contained trit...

    I. A. Razzhivina, G. A. Badun, M. G. Chernysheva, V. I. Korobkov… in Radiochemistry (2017)

  2. No Access

    Article

    Quantitative digital 2D densitometry in the processing of series of autoradiographic images

    Previously we have shown that, using the mathematical pixel-by-pixel processing of a series of autoradiographic images of activated samples, analyst can gain information on the distribution of elements in geoc...

    V. P. Kolotov, D. S. Grozdov, N. N. Dogadkin… in Journal of Analytical Chemistry (2015)

  3. No Access

    Article

    Possibilities of cryogenic autoradiography

    Photographic properties of one of atomic photodetectors are studied at the temperature of liquid nitrogen. The characteristic curves obtained at room and cryogenic temperatures indicate that the detector retai...

    D. A. Pankratov, V. I. Korobkov in Journal of Analytical Chemistry (2014)

  4. No Access

    Article

    A radionuclide-microscopic study of sorption of sodium [3H]succinate on textured nanohydroxyapatite

    Specific features of sorption of sodium [3H]succinate on nanohydroxyapatite (HAP) and its hierarchic textures were studied by radionuclide-microscopic diagnostics. Chemisorption of sodium succinate leads to struc...

    A. V. Severin, G. A. Badun, Z. A. Tyasto, V. I. Korobkov, V. N. Rudin in Radiochemistry (2009)

  5. No Access

    Article

    Tritium labeling: A unique tool for studying the behavior of humic substances in living systems

    A range of labeled humic substances was obtained by the tritium thermal activation method. The high specific radioactivity and radiochemical purity allowed direct determination of the hydrophobicity and surfac...

    G. A. Badun, N. A. Kulikova, M. G. Chernysheva… in Moscow University Chemistry Bulletin (2009)

  6. No Access

    Article

    Interaction of tritium atoms with solid composite targets: Adsorption layers of nonionic surfactants on hydrophobic supports

    The capability of tritium atoms to penetrate deep into solids was used for revealing nonuniformity of coating of polymeric [polyethylene, poly(ethylene terephthalate)] supports by adsorption layers of a nonion...

    Z. A. Tyasto, G. A. Badun, M. G. Chernysheva, V. I. Korobkov in Radiochemistry (2009)

  7. No Access

    Article

    Determination of platinum-palladium micro inclusions in polymetallic ores by means of digital gamma-activation autoradiography

    It has been demonstrated that digital gamma-activation autoradiography is an effective method for detection of platinum-palladium micro inclusions in the copper-nickel polymetallic ores of complex composition....

    V. P. Kolotov, N. N. Dogadkin… in Journal of Radioanalytical and Nuclear Che… (2008)

  8. No Access

    Article

    Distribution features of Triton-X100, a nonionic surfactant, in the quartz-water-cyclohexane system during preferential wetting

    The distribution of TX-100, a nonionic surfactant, over solid surfaces in cyclohexane (CH), with quartz being preferentially wetted by aqueous solutions of TX-100, is studied using radioactive labels and wetti...

    Yu. G. Bogdanova, G. A. Badun, N. I. Ivanova… in Moscow University Chemistry Bulletin (2008)

  9. No Access

    Article

    Selective wetting in the tetradecyltrimethylammonium bromide aqueous solution-p-xylene-solid system

    The advancing and receding contact angles in the tetradecyltrimethylammonium bromide aqueous solution-p-xylene-glass system are determined. The adsorption of surfactant at the water-p-xylene interface is studied ...

    O. A. Soboleva, G. A. Badun, V. I. Korobkov, N. I. Ivanova in Colloid Journal (2007)

  10. No Access

    Article

    Development of digital gamma-activation autoradiography for the determination of platinum group element inclusions in geological samples

    It has been shown that gamma-activation significantly extends possibilities of activation autoradiography with respect to determination of platinum group elements (PGE) in silicate samples. All PGE may be acti...

    V. P. Kolotov, A. Yu. Andriyanov… in Journal of Radioanalytical and Nuclear Che… (2007)

  11. No Access

    Article

    Autoradiography studies of the processes of wetting and spreading

    Data of the studies of wetting and spreading in liquid metal-solid metal systems, as well as the modification of various solid surfaces with aqueous surfactant solutions, by the autoradiography technique are r...

    V. D. Dolzhikova, Yu. G. Bogdanova, B. D. Summ, V. I. Korobkov in Colloid Journal (2005)

  12. No Access

    Article

    Autoradiography studies of the processes of wetting and spreading

    Data of the studies of wetting and spreading in liquid metal-solid metal systems, as well as the modification of various solid surfaces with aqueous surfactant solutions, by the autoradiography technique are r...

    V. D. Dolzhikova, Yu. G. Bogdanova, B. D. Summ, V. I. Korobkov in Colloid Journal (2005)

  13. No Access

    Article

    Radiotracer Diagnostics of Graphite Intercalation Compounds with Sulfuric and Acetic Acids

    The electrochemical intercalation of graphite in H2SO4–CH3COOH solutions is investigated by the radiotracer method in combination with autoradiography. The results attest to the formation of a stage I ternary int...

    N. V. Maksimova, V. S. Leshin, A. A. Mandrugin, V. I. Korobkov… in Inorganic Materials (2004)

  14. No Access

    Article

    Determination of Platinum-Group Elements and Gold in Silicates by Gamma Activation Autoradiography and Instrumental Gamma Activation Analysis

    The potential of the gamma activation determination of platinum-group elements and gold both by instrumental gamma activation analysis (bulk analysis) and by monitoring their distribution using autoradiography...

    V. P. Kolotov, A. Yu. Andriyanov, N. N. Dogadkin… in Journal of Analytical Chemistry (2003)