About: Chemically Modified Graphenes for Oxidation of DNA bases: Analytical Parameters

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We studied the electroanalytical performances of chemically-modified graphenes (CMGs) containing different defect densities and amounts of oxygen-containing groups, namely graphite oxide (GPO), graphene oxide (GO), thermally reduced graphene oxide (TR-GO) and electrochemically reduced graphene oxide (ER-GO) by comparing the sensitivity, selectivity, linearity and repeatability towards the oxidation of DNA bases. We have observed that for differential pulse voltammetric (DPV) detection of adenine and cytosine, all CMGs showed enhanced sensitivity to oxidation, while for guanine and thymine, ER-GO and TR-GO exhibited much improved sensitivity over bare glassy carbon (GC) as well as over GPO and GO. There is also significant selectivity enhancement when using GPO for adenine and TR-GO for thymine. Our results have uncovered that the differences in surface functionalities, structure and defects of various CMGs largely influence their electrochemical behaviour in detecting the oxidation of DNA bases. We studied the electroanalytical performances of chemically-modified graphenes (CMGs) containing different defect densities and amounts of oxygen-containing groups, namely graphite oxide (GPO), graphene oxide (GO), thermally reduced graphene oxide (TR-GO) and electrochemically reduced graphene oxide (ER-GO) by comparing the sensitivity, selectivity, linearity and repeatability towards the oxidation of DNA bases. We have observed that for differential pulse voltammetric (DPV) detection of adenine and cytosine, all CMGs showed enhanced sensitivity to oxidation, while for guanine and thymine, ER-GO and TR-GO exhibited much improved sensitivity over bare glassy carbon (GC) as well as over GPO and GO. There is also significant selectivity enhancement when using GPO for adenine and TR-GO for thymine. Our results have uncovered that the differences in surface functionalities, structure and defects of various CMGs largely influence their electrochemical behaviour in detecting the oxidation of DNA bases. (en)
Title	Chemically Modified Graphenes for Oxidation of DNA bases: Analytical Parameters Chemically Modified Graphenes for Oxidation of DNA bases: Analytical Parameters (en)
skos:prefLabel	Chemically Modified Graphenes for Oxidation of DNA bases: Analytical Parameters Chemically Modified Graphenes for Oxidation of DNA bases: Analytical Parameters (en)
skos:notation	RIV/60461373:22310/11:43892065!RIV12-MSM-22310___
http://linked.open...avai/predkladatel	Fakulta chemické technologie
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/09/0621), Z(MSM6046137302)
http://linked.open...iv/cisloPeriodika	22
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Sofer, Zdeněk
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	190128
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/11:43892065
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SHEETS; MECHANISM; REDUCTION; NANOSHEETS; ELECTRODES; DISPERSIONS; ADENINE; ADSORPTION; GRAPHITE OXIDE; ELECTROCHEMICAL OXIDATION (en)
http://linked.open.../riv/klicoveSlovo	MECHANISM REDUCTION ADENINE ADSORPTION DISPERSIONS ELECTROCHEMICAL OXIDATION ELECTRODES GRAPHITE OXIDE NANOSHEETS SHEETS
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[4883DFF9BEED]
http://linked.open...i/riv/nazevZdroje	Analyst (London)
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	ZnO-based magnetic semiconductors
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	136
http://linked.open...iv/tvurceVysledku	Bonanni, Alessandra Goh, Madeline Shuhua Pumera, Martin Sofer, Zdeněk
http://linked.open...ain/vavai/riv/wos	000296153200017
http://linked.open...n/vavai/riv/zamer	Preparation and research of functional materials and material technologies using micro- and nanoscopic methods
issn	0003-2654
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1039/c1an15631d
http://localhost/t...ganizacniJednotka	22310
is http://linked.open...avai/riv/vysledek of	Chemically Modified Graphenes for Oxidation of DNA bases: Analytical Parameters Chemically Modified Graphenes for Oxidation of DNA bases: Analytical Parameters

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