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	Characterization of working electrodes of electrochemical sensors modified by carbon nanomaterials Vančík, Silvester ; Majzlíková, Petra (oponent) ; Prášek, Jan (vedoucí práce) This bachelor thesis deals with electrochemical detection of substances using screen-printed electrochemical sensors. The theoretical part describes thick film technology, sensors, selected parts of electrochemistry, voltammetry and carbon nanomaterials. The practical part includes the modification of standard screen-printed electrode by oxygen plasma and spray-coated carbon nanomaterials and its experimental comparison using cyclic voltammetry and scanning electron microscopy. The measured values were processed and evaluated numerically and graphically. In comparison with standard working electrode, the current responses of both electrodes were improved significantly. Úplný záznam
	Voltammetric Detection of Purine Nucleobases on Screen-Printed Graphite Electrodes Modified by Nanocarbon Materials Hasoň, Stanislav ; Ostatná, Veronika ; Fojta, Miroslav Recent studies have shown that the electrochemical oxidation of purine nucleobases (adenine and geaoine) at graphite electrodes is strongly dependent on the orientation of graphene sheets. their size and mutual distribution on the electrode surface. Edges and defects of graphene sheets affect the kinetics of oxidation processes, basal planes support the adsorption processes The aim of this study is to determine how model carbon nanomaterials including graphene, single-walled or multi-wailed carbon nanotubes. carbon nanofibres and mesoporous graphene affect the electrochemical oxidation or purine nuclebases on screen-printed carbon electrodes modified by these nanostructures in solution without and in the presence of copper. Úplný záznam
	Characterization of working electrodes of electrochemical sensors modified by carbon nanomaterials Vančík, Silvester ; Majzlíková, Petra (oponent) ; Prášek, Jan (vedoucí práce) This bachelor thesis deals with electrochemical detection of substances using screen-printed electrochemical sensors. The theoretical part describes thick film technology, sensors, selected parts of electrochemistry, voltammetry and carbon nanomaterials. The practical part includes the modification of standard screen-printed electrode by oxygen plasma and spray-coated carbon nanomaterials and its experimental comparison using cyclic voltammetry and scanning electron microscopy. The measured values were processed and evaluated numerically and graphically. In comparison with standard working electrode, the current responses of both electrodes were improved significantly. Úplný záznam

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