Search Results - "Koštejn, Martin"

Graphitic Carbon Nitride as a Platform for the Synthesis of Silver Nanoclusters by Starukh, Halyna, Koštejn, Martin, Matějka, Vlastimil, Praus, Petr

“…Graphitic carbon nitride (CN) synthetized by the thermal polycondensation of melamine at 550 °C for 4 h was further exfoliated by heating at 500 °C for 3 h…”
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Combination of Plasma Jet and Magnetron SputteringA New Method for Preparing Thin Ni–Co–Mn Oxide Coatings on Stainless Steel Meshes and Their Efficiency in the Total Oxidation of Volatile Organic Compounds by Jirátová, Květuše, Čada, Martin, Naiko, Iryna, Ostapenko, Alina, Balabánová, Jana, Koštejn, Martin, Maixner, Jaroslav, Babii, Timur, Topka, Pavel, Hubička, Zdeněk, Kovanda, František

“…For the first time, ternary Ni–Co–Mn oxide catalysts were prepared by a combination of sputtering techniques. Thin coatings of Ni–Co–Mn oxides were deposited…”
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Post-synthetic modification of graphitic carbon nitride with PCl3 and POCl3 for enhanced photocatalytic degradation of organic compounds by Praus, Petr, Smýkalová, Aneta, Cvejn, Daniel, Losertová, Sandra, Koštejn, Martin, Novák, Vlastimil

“…Graphitic carbon nitride (g-C3N4) was synthesised from melamine at 550 °C in the air for a period of 4 h. As such prepared g-C3N4 was dispersed in PCl3 and…”
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Performance of nickel-manganese and nickel-cobalt-manganese mixed oxide catalysts in ethanol total oxidation by Babii, Timur, Jirátová, Květa, Balabánová, Jana, Koštejn, Martin, Michalcová, Alena, Maixner, Jaroslav, Kovanda, František

“…The mixed oxide catalysts containing Ni, Co, and Mn components in various molar ratios were examined in the total oxidation of ethanol and the effect of their…”
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Synthesis of vacant graphitic carbon nitride in argon atmosphere and its utilization for photocatalytic hydrogen generation by Praus, Petr, Řeháčková, Lenka, Čížek, Jakub, Smýkalová, Aneta, Koštejn, Martin, Pavlovský, Jiří, Filip Edelmannová, Miroslava, Kočí, Kamila

“…Graphitic carbon nitride (C 3 N 4 ) was synthesised from melamine at 550 °C for 4 h in the argon atmosphere and then was reheated for 1–3 h at 500 °C in argon…”
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Hydrothermal deposition as a novel method for the preparation of Co–Mn mixed oxide catalysts supported on stainless steel meshes: application to VOC oxidation by Topka, Pavel, Jirátová, Květuše, Dvořáková, Michaela, Balabánová, Jana, Koštejn, Martin, Kovanda, František

“…The aim of this work was to develop a novel method for the preparation of structured Co–Mn mixed oxide catalysts: deposition on stainless steel meshes by…”
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Effect of manganese addition to Ni-Cu oxides on properties and activity in the oxidation of volatile organic compounds by Jirátová, Květa, Babii, Timur, Balabánová, Jana, Koštejn, Martin, Maixner, Jaroslav, Topka, Pavel, Kovanda, František

“…Transition metal oxides are suitable for the total oxidation of harmful volatile organic compounds. The effect of Mn addition to Ni-Cu oxides was investigated…”
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Separation of racemic compound by nanofibrous composite membranes with chiral selector by Gaálová, Jana, Yalcinkaya, Fatma, Cuřínová, Petra, Kohout, Michal, Yalcinkaya, Baturalp, Koštejn, Martin, Jirsák, Jan, Stibor, Ivan, Bara, Jason E., Van der Bruggen, Bart, Izák, Pavel

“…A series of unique composite membranes formed from a nano&micro fibrous material with different amounts of a chiral selector was used for separation of chiral…”
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Graphitic carbon nitride/xylene soot metal-free nanocomposites for photocatalytic degradation of organic compounds by Smýkalová, Aneta, Słowik, Grzegorz, Koštejn, Martin, Kawuloková, Monika, Foniok, Kryštof, Novák, Vlastimil, Praus, Petr

“…Graphitic carbon nitride and soot (g-C3N4/soot) metal-free nanocomposites were synthesized by a simple one-pot thermal synthesis from mixtures of dicyandiamide…”
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Cultivation of Saccharomyces cerevisiae with Feedback Regulation of Glucose Concentration Controlled by Optical Fiber Glucose Sensor by Koštejnová, Lucie, Ondráček, Jakub, Majerová, Petra, Koštejn, Martin, Kuncová, Gabriela, Trögl, Josef

“…Glucose belongs among the most important substances in both physiology and industry. Current food and biotechnology praxis emphasizes its on-line continuous…”
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Graphitic C3N4 and Ti3C2 nanocomposites for the enhanced photocatalytic degradation of organic compounds and the evolution of hydrogen under visible irradiation by Praus, Petr, Smýkalová, Aneta, Škuta, Radim, Koštejn, Martin, Pavlovský, Jiří, Tokarský, Jonáš, Foniok, Kryštof, Filip Edelmannová, Miroslava, Kočí, Kamila

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Surface Potassium Promotion of Co4MnAlO x in Direct NO Decomposition Generates the Same Type of Active Sites as Bulk Promotion by Bílková, Tereza, Pacultová, Kateřina, Karásková, Kateřina, Fridrichová, Dagmar, Jirátová, Květuše, Koštejn, Martin, Slowik, Grzegorz, Ritz, Michal, Haneda, Masaaki, Obalová, Lucie

“…K/Co4MnAlO x mixed oxides are active in direct NO decomposition. This work investigates the effect of the preparation method and K precursor type. Using the…”
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The Effect of Lithium on NiMo/Al2O3 Hydrotreating Catalysts Prepared from Heteropolycompounds by Kaluža, Luděk, Jirátová, Květa, Spojakina, Alla A., Balabánová, Jana, Gulková, Dana, Koštejn, Martin, Palcheva, Radostina, Tyuliev, Georgi, Fajgar, Radek

“…Recently, simultaneous hydrotreatment of various petroleum fractions and plant feedstocks has been in demand. NiMo catalysts can be active in these processes…”
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On mechanism of the synthesis of boron-doped graphitic carbon nitride by Cvejn, Daniel, Starukh, Halyna, Koštejn, Martin, Peikertová, Pavlína, Praus, Petr

“…B-doped graphitic carbon nitrides (B-CNs) represent a promising class of materials that are potentially useful in a variety of applications. Their properties…”
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Revisiting bioactivity of calcium titanate and titanium dioxide: Hydrolysis and complexation effects in osteogenic medium by Křenek, Tomáš, Stich, Theresia, Docheva, Denitsa, Mikysek, Petr, Koštejn, Martin, Jandová, Věra, Fajgar, Radek, Pola, Michal, Kovářík, Tomáš, Moskal, Denys, Forejtová, Jana, Pola, Josef

“…This study characterized laser-deposited CaTiO3 coats on several substrates by electron microscopy, X-ray diffraction, and Raman spectra. The hydrolytic…”
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On Stability of High-Surface-Area Al2O3, TiO2, SiO2-Al2O3, and Activated Carbon Supports during Preparation of NiMo Sulfide Catalysts for Parallel Deoxygenation of Octanoic Acid and Hydrodesulfurization of 1-Benzothiophene by Luděk Kaluža, Karel Soukup, Martin Koštejn, Jindřich Karban, Radostina Palcheva, Marek Laube, Daniela Gulková

“…NiMo sulfide catalysts were prepared by the impregnation of high surface area supports with an aqueous solution made of NiCO3·2Ni(OH)2, MoO3 and citric acid,…”
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Structured cobalt oxide catalysts for VOC abatement: the effect of preparation method by Topka, Pavel, Dvořáková, Michaela, Kšírová, Petra, Perekrestov, Roman, Čada, Martin, Balabánová, Jana, Koštejn, Martin, Jirátová, Květuše, Kovanda, František

“…Magnetron sputtering was employed for the deposition of cobalt oxide thin films on stainless steel meshes. Catalysts prepared by sputtering in inert and…”
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Laser‐Induced Reactive Deposition of Nanostructured CoS2‐ and Co2CuS4‐Based Films with Fenton Catalytic Properties by Vála, Lukáš, Medlín, Rostislav, Koštejn, Martin, Karatodorov, Stefan, Jandová, Věra, Vavruňková, Veronika, Křenek, Tomáš

“…Highly polymorphic cobalt sulfide represents attractive material because of its unique electronic, optical, magnetic, mechanical and catalytic properties…”
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Cobalt-Copper Oxide Catalysts for VOC Abatement: Effect of Co:Cu Ratio on Performance in Ethanol Oxidation by Květa Kupková, Pavel Topka, Jana Balabánová, Martin Koštejn, Květuše Jirátová, Jean-Marc Giraudon, Jean-Francois Lamonier, Jaroslav Maixner, František Kovanda

“…The effect of the Co-Cu oxide catalysts composition on their physicochemical properties and performance in the deep oxidation of ethanol was studied. The…”
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Cobalt Oxide Catalysts in the Form of Thin Films Prepared by Magnetron Sputtering on Stainless-Steel Meshes: Performance in Ethanol Oxidation by Květa Jirátová, Roman Perekrestov, Michaela Dvořáková, Jana Balabánová, Pavel Topka, Martin Koštejn, Jiří Olejníček, Martin Čada, Zdeněk Hubička, František Kovanda

“…Catalytic total oxidation is an effective procedure to minimize emissions of volatile organic compounds (VOC) emissions in industrial gases. Catalysts in the…”
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