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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F11%3A39892608%21RIV12-GA0-25310___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
Catalytic properties of rhodium and some of its salts, namely, RhO2, Rh2O3 and chlorobis(2-phenylpyridine)rhodium(III) dimer (CFPRD) were tested as mediators/catalysts of electron transfer in electrochemical biosensors for the determination of glucose. Measurements were realized using flow injection system and screen-printed carbon electrodes containing glucose oxidase as a model redox enzyme. Sensors with RhO2 was found the best exhibiting a linear increase of the amperometric signal for glucose concentrations in the range of 5.5x10-5 - 1.4x10-3 M with a detection limit of 2.2x10-5 M under optimized flow rate of 0.2 mL min-1 in 0.1 M phosphate buffer (pH 7.5) carrier. A metal rhodium-based sensor exhibited a linear increase in the range of 2.8x10-4 - 1.4x10-3 M, a sensor modified with Rh2O3 showed similar linear dependence in the range of 1.4x10-3 - 5.5x10-3 M. Concerning sensors modified with CFPRD, a linear concentration dependence was observed in the range of 5.5x10-3 - 2.8x10-2 M. Catalytic properties of rhodium and some of its salts, namely, RhO2, Rh2O3 and chlorobis(2-phenylpyridine)rhodium(III) dimer (CFPRD) were tested as mediators/catalysts of electron transfer in electrochemical biosensors for the determination of glucose. Measurements were realized using flow injection system and screen-printed carbon electrodes containing glucose oxidase as a model redox enzyme. Sensors with RhO2 was found the best exhibiting a linear increase of the amperometric signal for glucose concentrations in the range of 5.5x10-5 - 1.4x10-3 M with a detection limit of 2.2x10-5 M under optimized flow rate of 0.2 mL min-1 in 0.1 M phosphate buffer (pH 7.5) carrier. A metal rhodium-based sensor exhibited a linear increase in the range of 2.8x10-4 - 1.4x10-3 M, a sensor modified with Rh2O3 showed similar linear dependence in the range of 1.4x10-3 - 5.5x10-3 M. Concerning sensors modified with CFPRD, a linear concentration dependence was observed in the range of 5.5x10-3 - 2.8x10-2 M.
dcterms:title
Rhodium and Its Compounds in Amperometric Biosensors Based on Redox Enzymes Rhodium and Its Compounds in Amperometric Biosensors Based on Redox Enzymes
skos:prefLabel
Rhodium and Its Compounds in Amperometric Biosensors Based on Redox Enzymes Rhodium and Its Compounds in Amperometric Biosensors Based on Redox Enzymes
skos:notation
RIV/00216275:25310/11:39892608!RIV12-GA0-25310___
n13:predkladatel
n14:orjk%3A25310
n4:aktivita
n7:Z n7:P
n4:aktivity
P(GA203/08/1536), Z(MSM0021627502)
n4:cisloPeriodika
1
n4:dodaniDat
n12:2012
n4:domaciTvurceVysledku
n15:3873013 n15:6143083
n4:druhVysledku
n19:J
n4:duvernostUdaju
n5:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
227025
n4:idVysledku
RIV/00216275:25310/11:39892608
n4:jazykVysledku
n8:eng
n4:klicovaSlova
Glucose oxidase; Glucose; Rhodium and its compounds; Screen-printed carbon electrodes; Amperometric biosensors
n4:klicoveSlovo
n6:Glucose%20oxidase n6:Glucose n6:Rhodium%20and%20its%20compounds n6:Amperometric%20biosensors n6:Screen-printed%20carbon%20electrodes
n4:kodStatuVydavatele
CS - Státní svaz Srbska a Černé Hory
n4:kontrolniKodProRIV
[2103E773092C]
n4:nazevZdroje
International Journal of Electrochemical Science
n4:obor
n17:CG
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
5
n4:projekt
n20:GA203%2F08%2F1536
n4:rokUplatneniVysledku
n12:2011
n4:svazekPeriodika
6
n4:tvurceVysledku
Kotzian, Petr Kalcher, Kurt Polan, Vojtěch Vytřas, Karel Soukup, Jan
n4:wos
000285788700018
n4:zamer
n11:MSM0021627502
s:issn
1452-3981
s:numberOfPages
9
n18:organizacniJednotka
25310