Search Results - "Ishchenko, S.S."

Some features of Mn2+ EPR spectra in cubic nano-ZnS by Vorona, I.P., Ishchenko, S.S., Okulov, S.M., Nosenko, V.V.

“…Four ZnS nanopowders containing an uncontrolled impurity of manganese were studied using EPR technique. The powders with the average sizes (6…8 nm) were…”
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ELECTRON PARAMAGNETIC RESONANCE OF [Mn.sup.2+] IONS IN NANOSIZED ZINC SULFIDE WITH A PLANAR LATTICE FAULT by Vorona, I.P, Ishchenko, S.S, Grachev, V.G, Baran, N.P, Okulov, S.M, Nosenko, V.V, Selishchev, A.V

“…We have studied the EPR of [Mn.sup.2+] ions in three samples of cubic nano-ZnS made by different technologies and having different nanoparticle sizes…”
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EPR study of radiation-induced defects in carbonate-containing hydroxyapatite annealed at high temperature by Vorona, I.P., Nosenko, V.V., Baran, N.P., Ishchenko, S.S., Lemishko, S.V., Zatovsky, I.V., Strutynska, N.Yu

“…Radiation-induced (γ or UV) paramagnetic defects in carbonate-containing hydroxyapatite (HAP) annealed at high (600–950 °C) temperature were studied by EPR…”
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Comparative EPR study CO2− radicals in modern and fossil tooth enamel by Nosenko, V.V., Vorona, I.P., Baran, N.P., Ishchenko, S.S., Vysotskyi, B.V., Krakhmalnaya, T.V., Semenov, Yu.A.

“…Comparative EPR investigation of CO2− radicals in modern (γ-irradiated) and fossil samples of tooth enamel was performed. The samples studied were the enamel…”
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CRYSTAL STRUCTURE DETERMINATION OF LOW-DIMENSIONAL ZnS POWDERS USING EPR OF [Mn.sup.2+] IONS by Vorona, I.P, Grachev, V.G, Ishchenko, S.S, Baran, N.P, Bacherikov, Yu. Yu, Zhuk, A.G, Nosenko, V.V

“…Structures of low-dimensional ZnS powders doped with Cu, Co, and Mn were studied using [Mn.sup.2+] ions as a paramagnetic probe. Particle sizes were 5-7…”
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Radiation-induced defects in annealed carbonate-containing hydroxyapatite by Vorona, I. P., Ishchenko, S. S., Baran, N. P., Nosenko, V. V., Zatovskii, I. V., Malyshenko, A. I., Povarchuk, V. Yu

“…The effect of preliminary (before irradiation) annealing of synthetic carbonate-containing hydroxyapatite powders on the formation of paramagnetic centers…”
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Effect of pre-annealing on NO32- centers in synthetic hydroxyapatite by Nosenko, V.V., Vorona, I.P., Ishchenko, S.S., Baran, N.P., Zatovsky, I.V., Gorodilova, N.A., Povarchuk, V.Yu

“…Effect of pre-annealing of synthetic hydroxyapatite (HAP) on properties of γ- and UV- induced NO32- centers was studied by electron paramagnetic resonance…”
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ENDOR study of CO2− radicals in hydroxyapatite of γ-irradiated bone by Ishchenko, S.S., Vorona, I.P., Okulov, S.M., Baran, N.P., Rudko, V.V.

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N[O.sup.2-.sub.3] and C[O.sup.-.sub.2] centers in synthetic hydroxyapatite: features of the formation under γ- and UV-irradiations by Baran, N.P, Vorona, I.P, Ishchenko, S.S, Nosenko, V.V, Zatovskii, I.V, Gorodilova, N.A, Povarchuk, V.Yu

“…The EPR studies of synthetic hydroxyapatite containing carbonate and nitrate ions exposed to γ - ray and UV irradiations have been performed. It has been found…”
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Isotropic radical in biological apatites by Rudko, V.V., Ishchenko, S.S., Vorona, I.P., Baran, N.P.

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and UV-induced radicals in tooth enamel by Rudko, V.V., Vorona, I.P., Baran, N.P., Ishchenko, S.S.

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ENDOR study of CO 2 − radicals in hydroxyapatite of γ-irradiated bone by Ishchenko, S.S., Vorona, I.P., Okulov, S.M., Baran, N.P., Rudko, V.V.

“…ENDOR spectra and ENDOR-induced EPR spectra (dependences of ENDOR signals vs. the value of magnetic field B) of γ-irradiated bone plates and powders are…”
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N[O.sup.2-.sub.3] centers in synthetic hydroxyapatite by Vorona, I.P, Ishchenko, S.S, Baran, N.P, Rudko, V.V, Zatovskii, I.V, Gorodilova, N.A, Povarchuk, V. Yu

“…The structure and properties of N[O.sup.2-.sub.3] paramagnetic complexes formed by γ-rays and UV irradiation in synthetic hydroxyapatite have been investigated…”
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γ - and UV-induced CO 2 - radicals in tooth enamel by Rudko, V.V., Vorona, I.P., Baran, N.P., Ishchenko, S.S.

“…Results of comparative EPR study of dental enamel powders and bulk samples irradiated by γ -rays and by UV-light are reported. It is shown that the EPR spectra…”
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Evidence of annealing-induced transformation of radicals in irradiated tooth enamel by Vorona, I.P., Ishchenko, S.S., Baran, N.P., Petrenko, T.L., Rudko, V.V.

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Evidence of annealing-induced transformation of CO 2 - radicals in irradiated tooth enamel by Vorona, I.P., Ishchenko, S.S., Baran, N.P., Petrenko, T.L., Rudko, V.V.

“…Results of EPR study on the series of γ -irradiated and thermally treated tooth enamel plates are presented and discussed. The analysis of EPR lineshape…”
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Thermally stimulated transformation of the EPR spectra in γ-irradiated bone tissue by Rudko, V.V., Vorona, I.P., Baran, N.P., Ishchenko, S.S.

“…γ-irradiated bone tissue annealed at different temperatures is studied by EPR. In powder samples the annealing-induced changes of the EPR spectra are mainly…”
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Physical characterization of polyurethanes reinforced with the in situ-generated silica-polyphosphate nano-phase by Lebedev, E.V., Ishchenko, S.S., Denisenko, V.D., Dupanov, V.O., Privalko, E.G., Usenko, A.A., Privalko, V.P.

“…A series (SPUN) of segmented polyurethanes reinforced with the in situ-generated sodium silica-polyphosphate nano-phase (SSP) was characterized by…”
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Separation of the contributions from γ- and UV-radiation to the EPR spectra of tooth enamel plates by Vorona, I.P., Baran, N.P., Ishchenko, S.S., Rudko, V.V.

“…Anisotropy of EPR spectra of tooth enamel plates irradiated with γ-rays and UV light has been studied. UV-irradiated enamel plates exhibit a stronger…”
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Isotropic radical CO 2 - in biological apatites by Rudko, V.V., Ishchenko, S.S., Vorona, I.P., Baran, N.P.

“…The isotropic CO 2 - EPR spectrum at g ∼ 2.0006 for γ -irradiated powders of dental enamel annealed at different temperatures up to 320 ∘ C is studied. The…”
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