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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F10%3A10215317%21RIV11-GA0-15310___
rdf:type
n17:Vysledek skos:Concept
dcterms:description
Glassy carbon electrode, modified with cobalt(I I) cyclohexylbutyrate monohydrate immobilized in polystyrene matrix is usable for determination of thiol group bearing compounds both in oxidized and reduced forms using catalytic stripping voltammetry. The measurements are carried out in acetate buffer (pH 4.3) containing Tween 40. After the accumulation step at - 850 mV vs. Ag/AgCl a peak at - 170 mV is observed on linear sweep voltammogram, the height of which is proportional to the concentration of added thiol. Addition of carbon nanotubes into polystyrene film enhances the sensitivity of the modified electrode. The detection limit is 1 x 10(-6) mol dm(-3) for all studied thiols. The electrode can be regenerated by exposing it to the potential between 300-600 mV. Glassy carbon electrode, modified with cobalt(I I) cyclohexylbutyrate monohydrate immobilized in polystyrene matrix is usable for determination of thiol group bearing compounds both in oxidized and reduced forms using catalytic stripping voltammetry. The measurements are carried out in acetate buffer (pH 4.3) containing Tween 40. After the accumulation step at - 850 mV vs. Ag/AgCl a peak at - 170 mV is observed on linear sweep voltammogram, the height of which is proportional to the concentration of added thiol. Addition of carbon nanotubes into polystyrene film enhances the sensitivity of the modified electrode. The detection limit is 1 x 10(-6) mol dm(-3) for all studied thiols. The electrode can be regenerated by exposing it to the potential between 300-600 mV.
dcterms:title
Electrode Modified with Cobalt Cyclohexylbutyrate for the Determination of Low Molecular Weight Thiol Group Bearing Compounds Using Catalytic Stripping Voltammetry Electrode Modified with Cobalt Cyclohexylbutyrate for the Determination of Low Molecular Weight Thiol Group Bearing Compounds Using Catalytic Stripping Voltammetry
skos:prefLabel
Electrode Modified with Cobalt Cyclohexylbutyrate for the Determination of Low Molecular Weight Thiol Group Bearing Compounds Using Catalytic Stripping Voltammetry Electrode Modified with Cobalt Cyclohexylbutyrate for the Determination of Low Molecular Weight Thiol Group Bearing Compounds Using Catalytic Stripping Voltammetry
skos:notation
RIV/61989592:15310/10:10215317!RIV11-GA0-15310___
n3:aktivita
n14:P
n3:aktivity
P(GP524/05/P135)
n3:cisloPeriodika
3
n3:dodaniDat
n8:2011
n3:domaciTvurceVysledku
n5:2942356 n5:1096176 n5:2670003 n5:8419647
n3:druhVysledku
n16:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
256722
n3:idVysledku
RIV/61989592:15310/10:10215317
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Voltammetry; Glutathione; Cysteine; Catalytical current; Stripping voltammetry; Thiol status
n3:klicoveSlovo
n4:Voltammetry n4:Stripping%20voltammetry n4:Catalytical%20current n4:Cysteine n4:Thiol%20status n4:Glutathione
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[47093DE3915B]
n3:nazevZdroje
Electroanalysis
n3:obor
n13:CG
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n10:GP524%2F05%2FP135
n3:rokUplatneniVysledku
n8:2010
n3:svazekPeriodika
22
n3:tvurceVysledku
HRBÁČ, Jan JAKUBEC, Petr HALOUZKA, Vladimír SKOPALOVÁ, Jana
n3:wos
000274538400013
s:issn
1040-0397
s:numberOfPages
6
n11:organizacniJednotka
15310