About: Behaviour of zinc complexes and zinc sulphide nanoparticles revealed by using screen printed electrodes and spectrometry

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.mdpi.com/1424-8220/13/11/14417/htm
Description	In this study, we focused on microfluidic electrochemical analysis of zinc complexes (Zn(phen)(his)Cl-2, Zn(his)Cl-2) and ZnS quantum dots (QDs) using printed electrodes. This method was chosen due to the simple (easy to use) instrumentation and variable setting of flows. Reduction signals of zinc under the strictly defined and controlled conditions (pH, temperature, flow rate, accumulation time and applied potential) were studied. We showed that the increasing concentration of the complexes (Zn(phen)(his)Cl-2, Zn(his)Cl-2) led to a decrease in the electrochemical signal and a significant shift of the potential to more positive values. The most likely explanation of this result is that zinc is strongly bound in the complex and its distribution on the electrode is very limited. Changing the pH from 3.5 to 5.5 resulted in a significant intensification of the Zn(II) reduction signal. The complexes were also characterized by UV/VIS spectrophotometry, chromatography, and ESI-QTOF mass spectrometry. In this study, we focused on microfluidic electrochemical analysis of zinc complexes (Zn(phen)(his)Cl-2, Zn(his)Cl-2) and ZnS quantum dots (QDs) using printed electrodes. This method was chosen due to the simple (easy to use) instrumentation and variable setting of flows. Reduction signals of zinc under the strictly defined and controlled conditions (pH, temperature, flow rate, accumulation time and applied potential) were studied. We showed that the increasing concentration of the complexes (Zn(phen)(his)Cl-2, Zn(his)Cl-2) led to a decrease in the electrochemical signal and a significant shift of the potential to more positive values. The most likely explanation of this result is that zinc is strongly bound in the complex and its distribution on the electrode is very limited. Changing the pH from 3.5 to 5.5 resulted in a significant intensification of the Zn(II) reduction signal. The complexes were also characterized by UV/VIS spectrophotometry, chromatography, and ESI-QTOF mass spectrometry. (en)
Title	Behaviour of zinc complexes and zinc sulphide nanoparticles revealed by using screen printed electrodes and spectrometry Behaviour of zinc complexes and zinc sulphide nanoparticles revealed by using screen printed electrodes and spectrometry (en)
skos:prefLabel	Behaviour of zinc complexes and zinc sulphide nanoparticles revealed by using screen printed electrodes and spectrometry Behaviour of zinc complexes and zinc sulphide nanoparticles revealed by using screen printed electrodes and spectrometry (en)
skos:notation	RIV/00216305:26620/13:PU112453!RIV15-MSM-26620___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), Z(MSM6215648902)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Cernei, Natalia Vladimirovna Kynický, Jindřich Prášek, Jan Kudr, Jiří Adam, Vojtěch Hubálek, Jaromír Kizek, René Zítka, Ondřej Ruttkay-Nedecký, Branislav Kremplová, Monika Kopel, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	63043
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/13:PU112453
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	electrochemical analysis, differential pulse voltammetry, screen printed electrode, spectrometry, Zn(II) (en)
http://linked.open.../riv/klicoveSlovo	Zn(II) spectrometry electrochemical analysis screen printed electrode differential pulse voltammetry
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[AB1CAF7725C8]
http://linked.open...i/riv/nazevZdroje	SENSORS
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	11 (xsd:int)
http://linked.open...cetTvurcuVysledku	13 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Adam, Vojtěch Cernei, Natalia Vladimirovna Hubálek, Jaromír Kizek, René Kynický, Jindřich Prášek, Jan Zítka, Ondřej Konečná, Marie Ruttkay-Nedecký, Branislav Kremplová, Monika Kopel, Pavel Nejdl, Lukáš Kudr, Jiří
http://linked.open...ain/vavai/riv/wos	000330321100009
http://linked.open...n/vavai/riv/zamer	Forest and Wood: the support of functionally integrated forest management and use of wood as a renewable raw material
issn	1424-8220
number of pages	21 (xsd:int)
http://bibframe.org/vocab/doi	10.3390/s131114417
http://localhost/t...ganizacniJednotka	26620

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