Search Results - "Shpotyuk, Yaroslav"

Thermodynamic heat-transfer phenomena in nanostructured glassy substances: a comparative study on g-As5Se95 and g-As55Se45 by Kozdras, Andrzej, Shpotyuk, Oleh, Mahlovanyi, Bohdan, Shpotyuk, Yaroslav, Kovalskiy, Andriy

“…Nanostructurization-driven responses in calorimetric heat-transfer phenomena are compared for glassy arsenoselenides at different levels of their molecular…”
Get full text

Determination of platinum-resistance of women with ovarian cancer by FTIR spectroscopy combined with multivariate analyses and machine learning methods by Kluz-Barłowska, Marta, Kluz, Tomasz, Paja, Wiesław, Sarzyński, Jaromir, Barnaś, Edyta, Łączyńska-Madera, Monika, Shpotyuk, Yaroslav, Gumbarewicz, Ewelina, Klebowski, Bartosz, Cebulski, Jozef, Depciuch, Joanna

“…Patients with high-grade ovarian cancer have a poor prognosis, thus effective treatment remains an unmet medical issue of high importance. Moreover, finding…”
Get full text

Molecular-Network Transformations in Tetra-Arsenic Triselenide Glassy Alloys Tuned within Nanomilling Platform by Shpotyuk, Oleh, Hyla, Malgorzata, Shpotyuk, Yaroslav, Lukáčová Bujňáková, Zdenka, Baláž, Peter, Demchenko, Pavlo, Kozdraś, Andrzej, Boyko, Vitaliy, Kovalskiy, Andriy

“…Polyamorphic transformations driven by high-energy mechanical ball milling (nanomilling) are recognized in a melt-quenched glassy alloy of tetra-arsenic…”
Get full text

Phase-change materials based on amorphous equichalcogenides by Golovchak, Roman, Plummer, Jarres, Kovalskiy, Andriy, Holovchak, Yuriy, Ignatova, Tetyana, Trofe, Anthony, Mahlovanyi, Bohdan, Cebulski, Jozef, Krzeminski, Piotr, Shpotyuk, Yaroslav, Boussard-Pledel, Catherine, Bureau, Bruno

“…Phase-change materials, demonstrating a rapid switching between two distinct states with a sharp contrast in electrical, optical or magnetic properties, are…”
Get full text

Nanostructured Molecular-Network Arsenoselenides from the Border of a Glass-Forming Region: A Disproportionality Analysis Using Complementary Characterization Probes by Shpotyuk, Oleh, Hyla, Malgorzata, Ingram, Adam, Shpotyuk, Yaroslav, Boyko, Vitaliy, Demchenko, Pavlo, Wojnarowska-Nowak, Renata, Lukáčová Bujňáková, Zdenka, Baláž, Peter

“…Binary As Se alloys from the border of a glass-forming region (65 < < 70) subjected to nanomilling in dry and dry-wet modes are characterized by the XRPD,…”
Get full text

Equimolar As4S4/Fe3O4 Nanocomposites Fabricated by Dry and Wet Mechanochemistry: Some Insights on the Magnetic–Fluorescent Functionalization of an Old Drug by Shpotyuk, Oleh, Lukáčová Bujňáková, Zdenka, Baláž, Peter, Kovalskiy, Andriy, Sznajder, Małgorzata, Cebulski, Jozef, Shpotyuk, Yaroslav, Demchenko, Pavlo, Syvorotka, Ihor

“…Multifunctional nanocomposites from an equimolar As4S4/Fe3O4 cut section have been successfully fabricated from coarse-grained bulky counterparts, employing…”
Get full text

Radiative and Magnetically Stimulated Evolution of Nanostructured Complexes in Silicon Surface Layers by Slobodzyan, Dmytro, Kushlyk, Markiyan, Lys, Roman, Shykorjak, Josyp, Luchechko, Andriy, Żyłka, Marta, Żyłka, Wojciech, Shpotyuk, Yaroslav, Pavlyk, Bohdan

“…The effect of a weak magnetic field (B = 0.17 T) and X-irradiation (D < 520 Gy) on the rearrangement of the defective structure of near-surface p-type silicon…”
Get full text

High-Energy Mechanical Milling-Driven Reamorphization in Glassy Arsenic Monoselenide: On the Path of Tailoring Special Molecular-Network Glasses by Shpotyuk, Yaroslav, Demchenko, Pavlo, Shpotyuk, Oleh, Balitska, Valentina, Boussard-Pledel, Catherine, Bureau, Bruno, Lukáčová Bujňáková, Zdenka, Baláž, Peter

“…The impact of high-energy milling on glassy arsenic monoselenide g-AsSe is studied with X-ray diffraction applied to diffuse peak-halos proper to intermediate-…”
Get full text

Processing and characterization of novel borophosphate glasses and fibers for medical applications by Massera, Jonathan, Shpotyuk, Yaroslav, Sabatier, Fantine, Jouan, Thierry, Boussard-Plédel, Catherine, Roiland, Claire, Bureau, Bruno, Petit, Laeticia, Boetti, Nadia G., Milanese, Daniel, Hupa, Leena

“…In this paper, we investigate the effect of P2O5 substitution by B2O3 in the (50−x)P2O5·20CaO·20SrO·10Na2O·x B2O3 glass system (x from 0 to 5mol%) on the…”
Get full text

The Art of Positronics in Contemporary Nanomaterials Science: A Case Study of Sub-Nanometer Scaled Glassy Arsenoselenides by Shpotyuk, Oleh, Ingram, Adam, Boussard-Pledel, Catherine, Bureau, Bruno, Lukáčová Bujňáková, Zdenka, Baláž, Peter, Mahlovanyi, Bohdan, Shpotyuk, Yaroslav

“…The possibilities surrounding positronics, a versatile noninvasive tool employing annihilating positrons to probe atomic-deficient sub-nanometric imperfections…”
Get full text

Polyvinylpyrrolidone-nanosized glassy arsenoselenides characterized by complementary Positronics and XRD analysis by Shpotyuk, Yaroslav, Ingram, Adam, Shpotyuk, Oleh, Demchenko, Pavlo, Lukáčová Bujňáková, Zdenka, Baláž, Peter

“…Nanostructurization effects, in glassy arsenoselenides g-As x Se 100-x (5 ≤  x  ≤ 65) subjected to wet nanomilling in polyvinylpyrrolidone (PVP) water…”
Get full text

Impact of grinding media on high-energy ball milling-driven amorphization in multiparticulate As4S4/ZnS/Fe3O4 nanocomposites by Shpotyuk, Oleh, Bujňáková, Zdenka Lukáčová, Baláž, Peter, Shpotyuk, Yaroslav, Demchenko, Pavlo, Balitska, Valentina

“…[Display omitted] •Milling-driven AsS amorphization in multi-particulate β-As4S4-based grinding media.•Coexistence of milling-induced nanocrystalline…”
Get full text

Nanomilling-driven volumetric changes in multiparticulate As4S4-bearing nanocomposites recognized with a help of annihilating positrons by Oleh, Shpotyuk, Adam, Ingram, Yaroslav, Shpotyuk, Zdenka, Lukáčová Bujňáková, Peter, Baláž

“…Employing positron annihilation lifetime (PAL) spectroscopy, nanomilling-driven volumetric changes driven are identified in multiparticulate nanocomposites of…”
Get full text

Mechanochemical Solvent-Free Synthesis of Quaternary Semiconductor Cu-Fe-Sn-S Nanocrystals by Baláž, Peter, Baláž, Matej, Sayagués, María J., Škorvánek, Ivan, Zorkovská, Anna, Dutková, Erika, Briančin, Jaroslav, Kováč, Jaroslav, Kováč, Jaroslav, Shpotyuk, Yaroslav

“…In this study, we demonstrate a one-pot mechanochemical synthesis of the nanocomposite composed of stannite Cu 2 FeSnS 4 and rhodostannite Cu 2 FeSn 3 S 8…”
Get full text

Comparative study of free-volume changes in light-cured (dimeth)acrylate-type dental resin composites affected to artificial aging in dry-air and water-immersed mode by Shpotyuk, Olha, Ingram, Adam, Slobodzyan, Dmytro, Shpotyuk, Oleh, Filipecki, Jacek, Shpotyuk, Yaroslav

“…This research is intended to compare degradation processes in light-cured (dimeth)acrylate-type polymer/filler dental composites affected to aging in dry-air…”
Get full text

Mechanochemical Preparation, Characterization and Biological Activity of Stable CuS Nanosuspension Capped by Bovine Serum Albumin by Stahorský, Martin, Lukáčová Bujňáková, Zdenka, Dutková, Erika, Kello, Martin, Mahlovanyi, Bohdan, Shpotyuk, Yaroslav, Daneu, Nina, Trajić, Jelena, Baláž, Matej

“…The biocompatible nanosuspension of CuS nanoparticles (NPs) using bovine serum albumin (BSA) as a capping agent was prepared using a two-stage mechanochemical…”
Get full text

Hybrid Ag0/Ag2CO3–eggshell–plant nanocomposites for antimicrobial action prepared by bio-mechanochemical synthesis by Baláž, Matej, Casas-Luna, Mariano, Augustinyak, Adrian, Tkáčiková, Ľudmila, Szmuc, Kamil, Kováčová, Mária, Čelko, Ladislav, Shpotyuk, Yaroslav

“…Silver carbonate and elemental silver nanoparticles embedded in the matrix of biological materials were successfully prepared via a bio-mechanochemical…”
Get full text

Free-volume evolution in Pr3+-activated Ga/Te-modified glassy arsenic selenides by Shpotyuk, Yaroslav

“…•Ga-codoping effect in As2Se3 glass owing to agglomeration of PAL-responsible voids•Te-modification effect in As2Se3 glass owing to void structure…”
Get full text

Nanoscale mechanism of rare‐earth doping in Ga‐codoped glassy As‐Sb selenides by Shpotyuk, Yaroslav

“…The method of annihilating positrons in positron annihilation lifetime measuring mode is applied to study mechanism of rare‐earth doping in Ga‐codoped arsenic…”
Get full text

Effect of Rare-Earth Doping on Free-Volume Nanostructure of Ga-Codoped Glassy (As/Sb)2Se3 by Shpotyuk, Yaroslav

“…Subsequent stages of atomic-deficient nanostructurization finalizing rare-earth functionality under Pr 3+ -doping in Ga 2 (As 0.28 Sb 0.12 Se 0.60 ) 98 glass…”
Get full text