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Rhodium and Its Compounds in Amperometric Biosensors Based on Redox Enzymes

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F11%3A39892608" target="_blank" >RIV/00216275:25310/11:39892608 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Rhodium and Its Compounds in Amperometric Biosensors Based on Redox Enzymes

  • Original language 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.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CG - Electrochemistry

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA203%2F08%2F1536" target="_blank" >GA203/08/1536: Progressive methods in chemical, food and clinical analysis</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    International Journal of Electrochemical Science

  • ISSN

    1452-3981

  • e-ISSN

  • Volume of the periodical

    6

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    CS - SERBIA AND MONTENEGRO

  • Number of pages

    9

  • Pages from-to

    231-239

  • UT code for WoS article

    000285788700018

  • EID of the result in the Scopus database