Recent Submissions

  • Investigation Of Electric And Thermal Properties Of Alkali-Activated Aluminosilicates With A CNT Admixture 

    Zmeškal, Oldřich; Trhlíková, Lucie; Pospíšil, Jan; Fiala, Lukáš; Florián, Pavel (University of Chemistry and Technology, Prague, 2020-04-20)
    The paper is focused on measurements of electric and thermal properties of alkali-activated aluminosilicates (AAAs) with a carbon nanotube (CNT) admixture. Such composites, fabricated from blast-furnace slag, quartz sand, ...
  • 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 ...
  • 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, ...
  • Drug Release Kinetics of Electrospun PHB Meshes 

    Kundrát, Vojtěch; Černeková, Nicole; Kovalčík, Adriána; Enev, Vojtěch; Márová, Ivana (MDPI, 2019-06-14)
    Microbial poly(3-hydroxybutyrate) (PHB) has several advantages including its biocompatibility and ability to degrade in vivo and in vitro without toxic substances. This paper investigates the feasibility of electrospun PHB ...
  • A simple technique for assessing the cuticular diffusion of humic acid biostimulants 

    Smilková, Marcela; Smilek, Jiří; Kalina, Michal; Klučáková, Martina; Pekař, Miloslav; Sedláček, Petr (BMC, 2019-07-31)
    Background: Experimental determination of the extent and rate of transport of liquid humates supplied to plants is critical in testing of physiological effects of such biostimulants which are often supplied as foliar sprays. ...
  • Compositional and Temperature Effects on the Rheological Properties of Polyelectrolyte–Surfactant Hydrogels 

    Smilek, Jiří; Jarábková, Sabína; Velcer, Tomáš; Pekař, Miloslav (MDPI, 2019-05-27)
    The rheological properties of hydrogels prepared by physical interactions between oppositely charged polyelectrolyte and surfactant in micellar form were studied. Specifically, hyaluronan was employed as a negatively charged ...
  • How Humic Acids Affect the Rheological and Transport Properties of Hydrogels 

    Klučáková, Martina; Smilek, Jiří; Sedláček, Petr (MDPI, 2019-04-19)
    Humic acids are often regarded as substances with a supramolecular structure which plays an important role in Nature. Their addition into hydrogels can affect their behavior and functioning in different applications. This ...
  • Plasmachemical Conservation of Corroded Metallic Objects 

    Sázavská, Věra; Veverková, Radka; Krčma, František; Řádková, Lucie; Miková, Petra; Přikryl, Radek; Procházka, Michal (IOP Publishing, 2016-05-17)
    Plasmachemical process for conservation of metallic objects is a new way of effective and fast treatment of corroded objects. This process consists of two main steps: corrosion removal and deposition of a protecting film. ...
  • Complexation of Copper(II) with Humic Acids Studied by Ultrasound Spectrometry 

    Klučáková, Martina (Hindawi Publishing Corporation, 2012-05-14)
    Copper biogeochemistry is controlled by bonding to natural organic matter. The soluble forms of bonded copper can be more biologically active due to the higher migration in environmental systems and instability of some ...
  • DC Underwater Capillary Discharge With Symmetrical Hole: Diagnostics and Pumping Effect 

    Totová, Ivana; Krčma, František; Nikiforov, Anton; Leys, Christophe (IOP Publishing, 2014-06-03)
    Capillary discharge investigated by this work was created in the reactor using positive half-cycle of AC high voltage up to 2 kV. Electric field was created between two electrodes which were separated by the dielectric ...
  • Remote operation of the GOLEM tokamak with hydrogen and helium plasmas 

    Svoboda, Vojtěch; Dvornova, Anastasiia; Dejarnac, Renaud; Procházka, Michal; Zapryanov, Stanislav; Akhmetzhanov, Ruslan; Bogdanova, Maria; Dimitrova, Miglena; Dimitrov, Zhivko; Dřímalková, Lucie; Ivanov, Krasimir; Kruglov, Kirill; Marinova, Plamena; Masherov, Pavel; Mogulkin, Andrey; Mlynář, Jan; Stockel, Jan; Volynets, Andrey (IOP Science, 2016-11-04)
    The GOLEM tokamak was operated remotely via internet connection during the 6th International Workshop and Summer School on Plasma Physics. Performances of hydrogen and helium discharges are compared in this paper. It is ...
  • Comparative Study of Binding Behaviour of Cu(II) with Humic Acid and Simple Organic Compounds by Ultrasound Spectrometry 

    Klučáková, Martina (Bentham Science Publihers, 2011-11-12)
    Several simple organic (hydroxy)acids as models of principal functional moieties of humic acids and the copper ion as a model ion were used to investigate the metal-humic interactions. The quantum chemical calculations ...
  • Discharge Ignition in the Diaphragm Configuration Supplied by DC Non-Pulsing Voltage 

    Holíková, Lenka; Dřímalková, Lucie; Kozáková, Zdenka; Krčma, František (IOP Publishing, 2016-05-17)
    This work deals with the ignition of the discharge in the diaphragm configuration generated in water solutions containing supporting NaCl electrolyte. The reactor has volume of 110 ml and it is made of polycarbonate. HV ...
  • 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 ...
  • An Electrochemical NO2 Sensor Based on Ionic Liquid: Influence of the Morphology of the Polymer Electrolyte on Sensor Sensitivity 

    Kuberský, Petr; Altšmíd, Jakub; Hamáček, Aleš; Nešpůrek, Stanislav; Zmeškal, Oldřich (MDPI, 2015-11-11)
    A systematic study was carried out to investigate the effect of ionic liquid in solid polymer electrolyte (SPE) and its layer morphology on the characteristics of an electrochemical amperometric nitrogen dioxide sensor. ...
  • 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 ...
  • Vacuum Deposited Diphenyl-Diketo-Pyrrolopyrroles Structures with Photoelectrical Application 

    Georgiev, Yavor; Zhivkov, Ivaylo; Angelov, George; Takov, Tihomir; Přikryl, Radek; Stříteský, Stanislav; Vrchotová, Jana; Weiter, Martin (IOP Publishing Ltd, 2014-05-15)
    ITO|composite|Al structures with active DPP-C60 composite films (ratio 60:40 mass %) of about 100 nm thicknesses were prepared. The surface morphology of the films was studied by SEM imaging, which revealed uniform films ...
  • 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)
    The low temperature low-pressure hydrogen based plasmas were used to study the influence of processes and discharge conditions on corrosion removal. The capacitive coupled RF discharge in the continuous or pulsed regime ...
  • Destruction of Direct Blue 106 Dye in Underwater Discharge 

    Němcová, Lucie; Krčma, František; Nikiforov, Anton; Leys, Christophe (IOP Publishing, 2014-06-03)
    An application of underwater discharge is one possible way how make the destruction of organic dyes. This contribution presents results of Direct Blue 106 destruction in discharge generated in bubbles. The initial conductivity ...
  • Excitation of Mercury Atoms in Nitrogen Post-Discharge 

    Krčma, František; Bocková, Ivana; Mazánková, Věra; Soural, Ivo; Hrdlička, Aleš; Kanický, Viktor (IOP Publishing, 2014-06-03)
    The work presents results obtained during spectroscopic observations of nitrogen DC flowing post-discharges at the total gas pressure of 1000 Pa and at the discharge current of 100 mA. Mercury traces were introduced into ...

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