Search Results - "Petrák, Václav"

Influence of boron content on the morphological, spectral, and electroanalytical characteristics of anodically oxidized boron-doped diamond electrodes by Schwarzová-Pecková, Karolina, Vosáhlová, Jana, Barek, Jiří, Šloufová, Ivana, Pavlova, Ewa, Petrák, Václav, Zavázalová, Jaroslava

“…•Anodically oxidized BDD films deposited at B/C ratio 500ppm – 8000ppm tested.•Boron concentration assessed as function of Raman shift at <1332cm−1.•Cyclic…”
Get full text

Fabrication of porous boron-doped diamond on SiO2 fiber templates by Petrák, Václav, Vlčková Živcová, Zuzana, Krýsová, Hana, Frank, Otakar, Zukal, Arnošt, Klimša, Ladislav, Kopeček, Jaromír, Taylor, Andrew, Kavan, Ladislav, Mortet, Vincent

“…Boron-doped diamond (BDD) has become a well-established material in electrochemistry. Yet, many applications of BDD, especially thin films, would greatly…”
Get full text

Electrochemical impedance spectroscopy of polycrystalline boron doped diamond layers with hydrogen and oxygen terminated surface by Živcová, Zuzana Vlčková, Petrák, Václav, Frank, Otakar, Kavan, Ladislav

“…This work is a systematic study of electrochemical impedance spectroscopy of high quality polycrystalline boron doped diamond films with varying boron content…”
Get full text

Application of spike sorting algorithm to neuronal signals originated from boron doped diamond micro-electrode arrays by Klempíř, O, Krupička, R, Krůšek, J, Dittert, I, Petráková, V, Petrák, V, Taylor, A

“…In this work we report on the implementation of methods for data processing signals from microelectrode arrays (MEA) and the application of these methods for…”
Get full text

Factors influencing voltammetric reduction of 5-nitroquinoline at boron-doped diamond electrodes by Vosáhlová, Jana, Zavázalová, Jaroslava, Petrák, Václav, Schwarzová-Pecková, Karolina

“…The voltammetric signal of 5-nitroquinoline with reducible nitro and quinoline moieties largely depends on the pH of the indifferent electrolyte, electrode…”
Get full text

Large optical phase shifts in hydrogels written with femtosecond laser pulses: elucidating the role of localized water concentration changes by Gandara-Montano, Gustavo A., Stoy, Vladimir, Dudič, Miroslav, Petrák, Václav, Haškovcová, Kateřina, Knox, Wayne H.

“…We describe the treatment of new hydrogels with nine different chemical compositions by femtosecond laser writing. The phase change induced in the wavefront…”
Get full text

Neuron Adhesion on Diamond: Competition between Polymer Treatment and Surface Morphology by Jakubcová, Barbora, Turňová, Jana, Řehounek, Ondřej, Polák, Jiří, Mineva, Andrea, Taylor, Andrew, Hubík, Pavel, Petrák, Václav, Petráková, Vladimíra

“…The ability to form an efficient interface between material and neural cells is a crucial aspect for construction of neuroelectrodes. Diamond offers material…”
Get full text

Molecular Functionalization of Planar Nanocrystalline and Porous Nanostructured Diamond to Form an Interface with Newborn and Adult Neurons by Krůšek, Jan, Dittert, Ivan, Smejkalová, Tereza, Kořínek, Miloslav, Gottfriedová, Kristýna, Freislebenová, Hana, Neuhöferová, Eva, Klimša, Ladislav, Sedláková, Silvia, Taylor, Andrew, Mortet, Vincent, Petrák, Václav, Benson, Veronika, Petráková, Vladimíra

“…This article examines the ability of newly developed nanostructured porous boron‐doped diamond (BDD) to form an interface with neural cells and the role of…”
Get full text

Diamond/Porous Titanium Nitride Electrodes With Superior Electrochemical Performance for Neural Interfacing by Meijs, Suzan, McDonald, Matthew, Sørensen, Søren, Rechendorff, Kristian, Fekete, Ladislav, Klimša, Ladislav, Petrák, Václav, Rijkhoff, Nico, Taylor, Andrew, Nesládek, Miloš, Pennisi, Cristian P

“…Robust devices for chronic neural stimulation demand electrode materials which exhibit high charge injection ( ) capacity and long-term stability. Boron-doped…”
Get full text

Change of diamond film structure and morphology with N 2 addition in MW PECVD apparatus with linear antenna delivery system by Krečmarová, Marie Jakl, Petrák, Václav, Taylor, Andrew, Sankaran, Kamatchi Jothiramalingam, Lin, I‐Nan, Jäger, Aleš, Gärtnerová, Viera, Fekete, Ladislav, Drahokoupil, Jan, Laufek, František, Vacík, Jiří, Hubík, Pavel, Mortet, Vincent, Nesládek, Miloš

Get full text

Monitoring of peptide induced disruption of artificial lipid membrane constructed on boron-doped nanocrystalline diamond by electrochemical impedance spectroscopy by Petrák, Václav, Grieten, Lars, Taylor, Andrew, Fendrych, František, Ledvina, Miroslav, Janssens, Stoffel D., Nesládek, Miloš, Haenen, Ken, Wagner, Patrick

“…With the rise of antibiotic resistance of pathogenic bacteria there is an increased demand for monitoring of the functionality of bacteria membranes, whose…”
Get full text

Electrochemistry and in situ Raman spectroelectrochemistry of low and high quality boron doped diamond layers in aqueous electrolyte solution by Živcová, Zuzana Vlčková, Frank, Otakar, Petrák, Václav, Tarábková, Hana, Vacík, Jiří, Nesládek, Miloš, Kavan, Ladislav

“…► First in situ Raman spectroelectrochemical study of boron doped diamond (BDD) films. ► Raman modes belonging to boron and sp3 carbon exhibited no changes…”
Get full text

Novel high frequency pulsed MW-linear antenna plasma-chemistry: Routes towards large area, low pressure nanodiamond growth by Taylor, Andrew, Fendrych, František, Fekete, Ladislav, Vlček, Jan, Řezáčová, Vladimíra, Petrák, Václav, Krucký, Jaroslav, Nesládek, Miloš, Liehr, Michael

“…Current experimental microwave plasma enhanced chemical vapour deposition (MW PECVD) concepts for diamond thin films do not allow scaling up towards large…”
Get full text

Change of diamond film structure and morphology with N2 addition in MW PECVD apparatus with linear antenna delivery system by Krečmarová, Marie Jakl, Petrák, Václav, Taylor, Andrew, Sankaran, Kamatchi Jothiramalingam, Lin, I-Nan, Jäger, Aleš, Gärtnerová, Viera, Fekete, Ladislav, Drahokoupil, Jan, Laufek, František, Vacík, Jiří, Hubík, Pavel, Mortet, Vincent, Nesládek, Miloš

“…Deposition of nano‐crystalline diamond (NCD) over large areas is of high interest for industrial applications. For instance NCD is an excellent substrate for…”
Get full text

Fabrication of porous boron-doped diamond on SiO^sub 2^ fiber templates by Petrák, Václav, Živcová, Zuzana Vlčková, Krýsová, Hana, Frank, Otakar, Zukal, Arnost, Klimsa, Ladislav, Kopeček, Jaromír, Taylor, Andrew, Kavan, Ladislav, Mortet, Vincent

“…Boron-doped diamond (BDD) has become a well-established material in electrochemistry. Yet, many applications of BDD, especially thin films, would greatly…”
Get full text

Boron-doped Diamond Electrodes: Electrochemical, Atomic Force Microscopy and Raman Study towards Corrosion-modifications at Nanoscale by Kavan, Ladislav, Vlckova Zivcova, Zuzana, Petrak, Vaclav, Frank, Otakar, Janda, Pavel, Tarabkova, Hana, Nesladek, Milos, Mortet, Vincent

“…•B-doped diamond is nanostructured by corrosion-driven modifications occurring at carbonaceous impurity sites (sp2-carbons).•The electrochemical oxidation…”
Get full text

Monitoring of peptide induced disruption of artificial lipid membrane constructed on boron-doped nanocrystalline diamond by electrochemical impedance spectroscopy : Fundamentals and Applications of CVD Diamond by PETRAK, Václav, GRIETEN, Lars, TAYLOR, Andrew, FENDRYCH, František, LEDVINA, Miroslav, JANSSENS, Stoffel D, NESLADEK, Miloš, HAENEN, Ken, WAGNER, Patrick

Get full text

Boosting nanodiamond fluorescence: towards development of brighter probes by Havlik, Jan, Petrakova, Vladimira, Rehor, Ivan, Petrak, Vaclav, Gulka, Michal, Stursa, Jan, Kucka, Jan, Ralis, Jan, Rendler, Torsten, Lee, San-Yung, Reuter, Rolf, Wrachtrup, Joerg, Ledvina, Miroslav, Nesladek, Milos, Cigler, Petr

“…A novel approach for preparation of ultra-bright fluorescent nanodiamonds (fNDs) was developed and the thermal and kinetic optimum of NV center formation was…”
Get more information

Experimental measurement of the diamond nucleation landscape reveals classical and nonclassical features by Gebbie, Matthew A., Ishiwata, Hitoshi, McQuade, Patrick J., Petrak, Vaclav, Taylor, Andrew, Freiwald, Christopher, Dahl, Jeremy E., Carlson, Robert M. K., Fokin, Andrey A., Schreiner, Peter R., Shen, Zhi-Xun, Nesladek, Milos, Melosh, Nicholas A.

“…Nucleation is a core scientific concept that describes the formation of new phases and materials. While classical nucleation theory is applied across…”
Get full text

Surface Functionalization of Nanocrystalline and Nanostructured Diamond to Form Interface with Newborn and Adult Neurons by Krusek, Jan, Dittert, Ivan, Smejkalova, Tereza, Korinek, Miloslav, Gottftriedova, Kristyna, Freislebenova, Hana, Neuhoferova, Eva, Taylor, Andrew, Mortet, Vincent, Petrak, Vaclav, Benson, Veronika, Petrakova, Vladimira

“…Boron doped diamonds (BDD) are a promising material for fabrication of neuroelectrodes and formation of neurointerfaces. Surface properties of BDD thin films…”
Get full text