Now showing items 21-40 of 152

  • Polyphenolic profile and biological activity of Chinese Hawthorn (Crataegus pinnatifida BUNGE) fruits 

    Juříková, Tunde; Sochor, Jiří; Rop, Otakar; Mlček, Jiří; Balla, Štefan; Szekeres, Ladislav; Adam, Vojtěch; Kizek, René (MDPI, 2012-12-01)
    Chinese hawthorn (Crataegus pinnatifida Bge.) fruits are rich in polyphenols (e.g., epicatechin, procyanidin B2, procyanidin B5, procyanidin C1, hyperoside, isoquercitrin and chlorogenic acid)-active compounds that exert ...
  • The development of portable system for unobtrusive perspiration monitoring 

    Solovei, Dmitry; Žák, Jaromír; Sedláček, Jiří; Hubálek, Jaromír (Elsevier, 2012-12-09)
    Portable system for monitoring of excreted fluid through the skin during human activity has been developed and fabricated. The system consists of sensing element that is mounted close to the open skin surface and transmits ...
  • Effect of Magnetic Nanoparticles on Tobacco BY-2 Cell Suspension Culture 

    Kryštofová, Olga; Sochor, Jiří; Zítka, Ondřej; Babula, Petr; Kudrle, Vít; Adam, Vojtěch; Kizek, René (MDPI, 2013-01-01)
    Nanomaterials are structures whose exceptionality is based on their large surface, which is closely connected with reactivity and modification possibilities. Due to these properties nanomaterials are used in textile industry ...
  • The Role of Metallothionein in Oxidative Stress 

    Ruttkay-Nedecký, Branislav; Nejdl, Lukáš; Gumulec, Jaromír; Zítka, Ondřej; Masařík, Michal; Eckschlager, Tomáš; Stiborová, Marie; Adam, Vojtěch; Kizek, René (MDPI, 2013-03-15)
    Volné radikály jsou chemické částice, které obsahují jeden nebo více nepárových elektronů, které mohou být součástí molekuly. Způsobují, že se molekula stává velmi reaktivní. Volné radikály jsou také známo, že hrají dvojí ...
  • Ion exchange chromatography and mass spectrometric methods for analysis of cadmium-phytochelatin (II) complexes 

    Merlos Rodrigo, Miguel Ángel; Cernei, Natalia Vladimirovna; Komínková, Markéta; Zítka, Ondřej; Beklová, Miroslava; Zehnálek, Josef; Kizek, René; Adam, Vojtěch (MDPI, 2013-03-28)
    In this study, in vitro formed Cd-phytochelatin (PC2) complexes were characterized using ion exchange chromatography (IEC) and matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry. The ...
  • Serum metallothioneins in childhood tumours – A potential prognostic marker 

    Kruseová, Jarmila; Hynek, David; Adam, Vojtěch; Kizek, René; Průša, Richard; Hraběta, Jan; Eckschlager, Tomáš (MDPI, 2013-06-06)
    Metallothioneins (MT) are low molecular weight, cysteine-rich proteins maintaining metal ions homeostasis. They play a role in carcinogenesis and may also cause chemoresistance. The aim of the study was to explore the ...
  • Voltammetry as a Tool for Characterization of CdTe Quantum Dots 

    Adam, Pavlína; Vaculovičová, Markéta; Hubálek, Jaromír; Adam, Vojtěch; Kizek, René (MDPI, 2013-06-27)
    Electrochemical detection of quantum dots (QDs) has already been used in numerous applications. However, QDs have not been well characterized using voltammetry, with respect to their characterization and quantification. ...
  • Apoferritin modified magnetic particles as doxorubicin carriers for anticancer drug delivery 

    Blažková, Iva; Nguyen, Hoai Viet; Dostálová, Simona; Kopel, Pavel; Stanisavljevic, Maja; Vaculovičová, Markéta; Stiborová, Marie; Eckschlager, Tomáš; Kizek, René; Adam, Vojtěch (MDPI, 2013-06-27)
    Magnetic particle mediated transport in combination with nanomaterial based drug carrier has a great potential for targeted cancer therapy. In this study, doxorubicin encapsulation into the apoferritin and its conjugation ...
  • Complexes of silver(I) ions and silver phosphate nanoparticles with hyaluronic acid and/or chitosan as promising antimicrobial agents for vascular grafts 

    Hegerová, Dagmar; Nejdl, Lukáš; Gumulec, Jaromír; Kryštofová, Olga; Merlos Rodrigo, Miguel Ángel; Kynický, Jindřich; Ruttkay-Nedecký, Branislav; Kopel, Pavel; Babula, Petr; Adam, Vojtěch; Kizek, René (MDPI, 2013-06-28)
    Polymers are currently widely used to replace a variety of natural materials with respect to their favourable physical and chemical properties, and due to their economic advantage. One of the most important branches of ...
  • Sarcosine as a potential prostate cancer biomarker – A review 

    Cernei, Natalia Vladimirovna; Heger, Zbyněk; Gumulec, Jaromír; Zítka, Ondřej; Masařík, Michal; Babula, Petr; Eckschlager, Tomáš; Stiborová, Marie; Kizek, René; Adam, Vojtěch (MDPI, 2013-07-04)
    Prostate cancer (CaP) is the most common type of tumour disease in men. Early diagnosis of cancer of the prostate is very important, because the sooner the cancer is detected, the better it is treated. According to that ...
  • Development of a magnetic electrochemical bar code array for point mutation detection in the H5N1 neuraminidase gene 

    Krejčová, Ludmila; Hynek, David; Kopel, Pavel; Merlos Rodrigo, Miguel Ángel; Adam, Vojtěch; Hubálek, Jaromír; Babula, Petr; Trnková, Libuše; Kizek, René (MDPI, 2013-07-15)
    Since its first official detection in the Guangdong province of China in 1996, the highly pathogenic avian influenza virus of H5N1 subtype (HPAI H5N1) has reportedly been the cause of outbreaks in birds in more than 60 ...
  • Water-dispersible TiO2 nanoparticles via a biphasic solvothermal reaction method 

    Mohan, Rajneesh; Drbohlavová, Jana; Hubálek, Jaromír (Springer, 2013-12-01)
    Syntéza ve vodě rozpustných nanočástic z oxidu titaničitého byla dosažena solvotermální dvoufázovou metodou v autoklávu. Byl studován vliv teploty a doby přípravy a dále modifikačních ligandů na stabilitu nanočástic.
  • Stříbrná sága: dvě největší bubliny 

    Novotný, Radovan (Fincentrum, 2014-04-02)
    Formy využití stříbra, ceny stříbra vs. inflace, "stříbrné" bubliny,
  • Z-Copy Controlled-Gain Voltage Differencing Current Conveyor: Advanced Possibilities in Direct Electronic Control of First-Order Filter 

    Šotner, Roman; Herencsár, Norbert; Jeřábek, Jan; Prokop, Roman; Kartci, Aslihan; Dostál, Tomáš; Vrba, Kamil (Kaunas University of Technology, 2014-06-13)
    A modified version of voltage differencing current conveyor (VDCC) and its performance in detail is presented in this paper. Modified VDCC, so-called z-copy controlled gain voltage differencing current conveyor (ZC-CG-VDCC), ...
  • HIV Biosensors – The Potential of the Electrochemical Way 

    Merlos Rodrigo, Miguel Ángel; Heger, Zbyněk; Cernei, Natalia Vladimirovna; Jimenez Jimenez, Ana Maria; Zítka, Ondřej; Adam, Vojtěch; Kizek, René (ESG, 2014-07-01)
    Because of high costs and time consuming common HIV tests, new ways in diagnosis, offering rapid, cheap, and accuracy possibility are looking for. One of the most promising fields is electrochemistry, providing very good ...
  • Electrochemical Sensors and Biosensors for Influenza Detection – Literature Survey 2012-2013 

    Krejčová, Ludmila; Hynek, David; Michálek, Petr; Milosavljević, Vedran; Kopel, Pavel; Zítka, Ondřej; Novotná, Marie; Kynický, Jindřich; Adam, Vojtěch; Hubálek, Jaromír; Kizek, René (ESG, 2014-07-01)
    This review summarized published information in the area of electrochemical detection of influenza virus in 2012 – 2013. The attention was mainly paid to summarize the news in the field of sensors and biosensors for influenza ...
  • Determination of Metal Ions in the Plasma of Children with Tumour Diseases by Differential Pulse Voltammetry 

    Kenšová, Renáta; Hynek, David; Kynický, Jindřich; Novotná, Marie; Eckschlager, Tomáš; Adam, Vojtěch; Hubálek, Jaromír; Kizek, René (ESG, 2014-08-01)
    The aim of this study was to investigate the interaction between lead ions and ethylenediaminetetraacetic acid (EDTA) in plasma. EDTA is widely used in medicine as anticoagulant agent. Understanding of the influence of ...
  • Expression Levels of Enzymes Metabolizing an Anticancer Drug Ellipticine Determined by Electromigration Assays Influence its Cytotoxicity to Cancer Cells - A Comparative Study 

    Stiborová, Marie; Poljaková, Jitka; Mřížová, Iveta; Bořek-Dohalská, Lucie; Eckschlager, Tomáš; Adam, Vojtěch; Kizek, René; Frei, Eva (ESG, 2014-10-01)
    The antineoplastic alkaloid ellipticine is a prodrug, of which the pharmacological efficiency is dependent on its cytochrome P450 (CYP)- and/or peroxidase-mediated activation to 12-hydroxy- and 13-hydroxyellipticine, which ...
  • Second-order Simple Multiphase Oscillator Using Z-Copy Controlled-Gain Voltage Differencing Current Conveyor 

    Šotner, Roman; Jeřábek, Jan; Petržela, Jiří; Herencsár, Norbert; Prokop, Roman; Vrba, Kamil (Kaunas University of Technology, 2014-11-19)
    Interesting type of the second-order electronically controllable multiphase oscillator is introduced in this paper. Modified voltage differencing current conveyor, so-called z-copy controlled gain voltage differencing ...
  • Design and Fabrication of Fully Implantable MEMS Cochlea 

    Svatoš, Vojtěch; Pekárek, Jan; Dušek, Daniel; Žák, Jaromír; Hadaš, Zdeněk; Prášek, Jan (Elsevier, 2015-01-02)
    The micro-electro-mechanical array for application as fully implantable cochlea is presented in this paper. The complete system including a short overview of energy harvesting and the system configuration is proposed. This ...