Now showing items 1-20 of 165

  • Accumulation of Poly(3-hydroxybutyrate) Helps Bacterial Cells to Survive Freezing 

    Obruča, Stanislav; Sedláček, Petr; Mravec, Filip; Kučera, Dan; Benešová, Pavla; Márová, Ivana (PLoS, 2016-06-17)
    Accumulation of polyhydroxybutyrate (PHB) seems to be a common metabolic strategy adopted by many bacteria to cope with cold environments. This work aimed at evaluating and understanding the cryoprotective effect of PHB. ...
  • Active biodegradable packaging films modified with grape seeds lignin 

    Vostrejš, Pavel; Adamcová, Dana; Vaverková, Magdalena Daria; Enev, Vojtěch; Kalina, Michal; Machovský, Michal; Šourková, Markéta; Márová, Ivana; Kovalčík, Adriána (The Royal Society of Chemistry, 2020-08-07)
    Biodegradable packaging materials represent one possible solution for how to reduce the negative environmental impact of plastics. The main idea of this work was to investigate the possibility of utilizing grape seed lignin ...
  • Aerosol Flow Homogenization in the Spray Polyphenylene Vinylene Thin Film Deposition 

    Milenkov, Viktor; Vrchotová, Jana; Zhivkov, Ivaylo; Yordanov, Rumen S.; Vala, Martin; Mladenova, Daniela; Weiter, Martin (IOP Publishing, 2014-05-15)
    Two different spray deposition (SD) techniques were compared on polyvinylene (MDMO-PPV) used as a model material. SD and homogenized (h-SD) techniques were compared. Films of about 1 micron thickness were prepared by SD ...
  • Agarose Hydrogels Enriched by Humic Acids as the Complexation Agent 

    Klučáková, Martina (MDPI, 2020-03-19)
    The transport properties of agarose hydrogels enriched by humic acids were studied. Methylene blue, rhodamine 6G and Cu(II) ions were incorporated into hydrogel as diffusion probes, and then their release into water was ...
  • Aggregation behavior of novel hyaluronan derivatives-a fluorescence probe study 

    Mravec, Filip; Pekař, Miloslav; Velebný, Vladimír (Springer-Verlag, 2008-11-01)
    Aggregation properties of hydrophobized hyaluronan (hHA) in different molecular weights and degree of substitution were studied by pyrene and perylene fluorescence method. The critical aggregation concentration (cac) was ...
  • Application of brick grind dust in systems based on Portland cement 

    Palovčík, Jakub; Opravil, Tomáš; Novotný, Radoslav; Másilko, Jiří (IOP Publishing, 2018-07-12)
    This paper deals with possibilities of application brick-grind-dust which is a secondary product from manufacturing of grinded bricks. This product is usually partially returned to brick manufacturing or buried on a land ...
  • Application of fly ashes from fluid bed coal combustion within refractory materials 

    Kotrla, Jan; Šoukal, František; Másilko, Jiří; Švec, Jiří; Janča, Martin (IOP Publishing, 2018-07-12)
    The study deals with the possibility of utilization of fly ashes from coal combustion in refractory materials and its influence on resulting properties of the material. The effect of bed and filter ash addition on the ...
  • Application of Isothermal and Isoperibolic Calorimetry to Assess the Effect of Zinc on Hydration of Cement Blended with Slag. 

    Šiler, Pavel; Kolářová, Iva; Novotný, Radoslav; Másilko, Jiří; Bednárek, Jan; Janča, Martin; Koplík, Jan; Hajzler, Jan; Matějka, Lukáš; Marko, Michal; Pokorný, Přemysl; Opravil, Tomáš; Šoukal, František (MDPI, 2019-09-10)
    This work deals with the influence of zinc on cement hydration. The amount of zinc in cement has increased over recent years. This is mainly due to the utilization of solid waste and tires, which are widely used as a fuel ...
  • Application of low temperature plasmas for restoration/conservation of archaeological objects 

    Krčma, František; Blahová, Lucie; Miková, Petra; Graham, William; Grossmannová, Hana; Holíková, Lenka; Horák, Jakub; Janová, Drahomíra; Kelsey, Colin Patrick; Kozáková, Zdenka; Mazánková, Věra; Procházka, Michal; Přikryl, Radek; Řádková, Lucie; Sázavská, Věra; Vašíček, Michal; Veverková, Radka; Zmrzlý, Martin (IOP Publishing, 2014-12-18)
    Nízkoteplotní vodíkové plazma buzené za sníženého tlaku bylo používáno ke studiu vlivu průběhu a podmínek na odstraňování korozních produktů. Plasma bylo buzeno RF zdrojem v pulsním i kontinuálním režimu při tlacích 100-200 ...
  • Application of vacuum solid-phase microextraction for the analysis of semi-hard cheese volatiles 

    Sýkora, Michal; Vítová, Eva; Jeleń, Henryk (Springer, 2020-01-09)
    Solid-phase microxtraction (SPME) is a well-established technique in the analysis of food volatile compounds, usually performed for qualitative analysis
  • The ash from fluidized bed combustion as a donor of sulfates to the Portland clinker 

    Beranová, Denisa; Bartoníčková, Eva; Koplík, Jan; Opravil, Tomáš (Elsevier, 2016-08-03)
    The paper deals with possibilities of using solid residues from fluidized bed combustion of coal, bed and filter ash in the production of composite Portland cements. The ash from fluidized bed combustion contains a high ...
  • Assessment of Antioxidants in Selected Plant Rootstocks 

    Magnús, Samuel; Gazdík, Filip; Anjum, Naser A.; Kadlecová, Eliška; Lacková, Zuzana; Cernei, Natalia Vladimirovna; Brtnický, Martin; Kynický, Jindřich; Klejdus, Bořivoj; Nečas, Tomáš; Zítka, Ondřej (MDPI, 2020-03-25)
    The service tree (Sorbus domestica) is a wild fruit tree with immense medicinal and industrial value. This study aimed at determining the four major groups of antioxidants (flavonoids, phenolic acids and aldehydes, catechin ...
  • Atmospheric Pressure Microwave Plasma Jet for Organic Thin Film Deposition 

    Narimisa, Mehrnoush; Krčma, František; Onyshchenko, Yuliia; Kozáková, Zdenka; Morent, Rino; De Geyter, Nathalie (MDPI, 2020-02-06)
    In this work, the potential of a microwave (MW)induced atmospheric pressure plasma jet (APPJ) in film deposition of styrene and methyl methacrylate (MMA) precursors is investigated. Plasma properties during the deposition ...
  • Atmospheric Pressure Plasma Polymerized 2-Ethyl-2-oxazoline Based Thin Films for Biomedical Purposes 

    Mazánková, Věra; Sťahel, Pavel; Matoušková, Petra; Brablec, Antonín; Čech, Jan; Prokeš, Lubomír; Buršíková, Vilma; Stupavská, Monika; Lehocký, Marián; Ozaltin, Kadir; Humpolíček, Petr; Trunec, David (MDPI, 2020-11-13)
    Polyoxazoline thin coatings were deposited on glass substrates using atmospheric pressure plasma polymerization from 2-ethyl-2-oxazoline vapours. The plasma polymerization was performed in dielectric barrier discharge ...
  • Atmospheric Pressure Plasma Polymerized Oxazoline-Based Thin Films-Antibacterial Properties and Cytocompatibility Performance 

    Sťahel, Pavel; Mazánková, Věra; Tomečková, Klára; Matoušková, Petra; Brablec, Antonín; Prokeš, Lubomír; Jurmanová, Jana; Buršíková, Vilma; Přibyl, Roman; Lehocký, Marián; Humpolíček, Petr; Ozaltin, Kadir; Trunec, David (MDPI, 2019-12-12)
    Polyoxazolines are a new promising class of polymers for biomedical applications. Antibiofouling polyoxazoline coatings can suppress bacterial colonization of medical devices, which can cause infections to patients. However, ...
  • Atomic force microscopy analysis of nanoparticles in non-ideal conditions 

    Klapetek, Petr; Valtr, Miroslav; Nečas, David; Salyk, Ota; Dzik, Petr (Springer Open, 2011-08-30)
    Nanoparticles are often measured using atomic force microscopy or other scanning probe microscopy methods. For isolated nanoparticles on flat substrates, this is a relatively easy task. However, in real situations, we often ...
  • Bacterial Diversity in the Asphalt Concrete Lining of the Upper Water Reservoir of a Pumped-Storage Scheme 

    Špano, Miroslav; Říha, Jaromír; Španová, Alena; Šedo, Ondrej; Rittich, Bohuslav (MDPI, 2020-10-30)
    Asphalt concrete linings (ACLs) are frequently used in pumped-storage hydropower schemes with frequently oscillating reservoir water levels. ACLs can be damaged during operation, which shortens their service life. One type ...
  • Barrier SiO2-like coatings for archaeological artefacts preservation 

    Procházka, Michal; Blahová, Lucie; Krčma, František (IOP Publishing, 2016-11-04)
    Thin film chemical vapour deposition technique has been used for more than 50 years. Introducing organosilicones as precursors, e.g. hexamethyldisiloxane (HMDSO) or tetraethylorthosilicate (TEOS), brought new possibilities ...
  • Biotechnological Production of Poly(3-Hydroxybutyrate-co-4-Hydroxybutyrate-co-3-Hydroxyvalerate) Terpolymer by Cupriavidus sp. DSM 19379 

    Kučera, Dan; Nováčková, Ivana; Pernicová, Iva; Sedláček, Petr; Obruča, Stanislav (MDPI, 2019-08-26)
    The terpolymer of 3-hydroxybutyrate (3HB), 3-hydroxyvalerate (3HV), and 4-hydroxybutyrate (4HB) was produced employing Cupriavidus sp. DSM 19379. Growth in the presence of -butyrolactone, -caprolactone, 1,4-butanediol, and ...
  • Blastfurnace Hybrid Cement withWaste Water Glass Activator: Alkali–Silica Reaction Study 

    Kalina, Lukáš; Bílek, Vlastimil; Bradová, Lada; Topolář, Libor (MDPI, 2020-08-17)
    Hybrid systems represent a new sustainable type of cement combining the properties of ordinary Portland cement and alkali-activated materials. In this study, a hybrid system based on blast furnace slag and Portland clinker ...