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MUKHERJEE, A. -- ASHRAFI, A. -- BYTEŠNÍKOVÁ, Z. -- RICHTERA, L. -- ADAM, V. An electrochemical biosensor developed for the online monitoring of H2O2 based on the reduced graphene oxide-cerium dioxide nanocomposite. In NANOCON 2019: Conference Proceedings. Ostrava: Tanger Ltd., 2020, p. 396--401. ISBN 978-80-87294-95-6. URL: https://www.confer.cz/nanocon/2019/77-an-electrochemical-biosensor-developed-for-the-online-monitoring-of-h2o2-based-on-the-reduced-graphene-oxide-cerium-dioxide-nanocomposite

Original name:
An electrochemical biosensor developed for the online monitoring of H2O2 based on the reduced graphene oxide-cerium dioxide nanocomposite
Czech name:
Written by (author):
Department:
Department of Chemistry and Biochemistry
Kind of publication:
article in proceedings
Collection:
NANOCON 2019: Conference Proceedings
Nature of article:
paper
Part number:
Starting page:
396
Up to page:
401
Number of pages:
6
UT code by Web of Science:
EID code by Scopus:
Original language:
English
Description in original language:
A biosensor was developed for monitoring H2O2 based on reduced Graphene Oxide-Cerium Oxide (rGO-CeO2) nanocomposite (NC). The NC shows catalytic effect on the electrochemical reduction of H2O2 at MINUS SIGN 0.3 V. The effect of the NC on the electrochemical reduction of H2O2 was studied by cyclic voltammetry and compared with bare glassy carbon (GC) and GC/r-GO. Moreover, to improve the signal a complex containing copper was incorporated in the dispersion of the nanocomposite which acts as a mediator. It was found that the electrochemical reduction of H2O2 takes place at less negative potential with increased peak current attitude at GC/r-GO-mediator. The developed sensor GC/r-GO-mediator, was applied for the continuous monitoring of H2O2 by chronoamperometry. The applied potential was MINUS SIGN 0.3 V which results in the enhanced sensitivity of the developed biosensor. The developed biosensor shows good stability, and reproducibility. The reproducibility of the developed electrode was evaluated by calculation of relative standard deviation value 6.77%. The linear range was found to be 3.4 - 23.48 µg/ml. Furthermore, limit of detection and limit of quantification were 0.68 µg/ml and 2.27 µg/ml respectively.
Description in English:
Description in Czech:
Year of submission:
2020
Year of transmission:
RIV identification number:
URL:
https://www.confer.cz/nanocon/2019/77-an-electrochemical-biosensor-developed-for-the-online-monitoring-of-h2o2-based-on-the-reduced-graphene-oxide-cerium-dioxide-nanocomposite
 
Entry made by:
Markéta Hejčová, DiS.
Last change:
06/12/2020 10:15 (Markéta Hejčová, DiS.)

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Source specification:

NANOCON 2019: Conference Proceedings. Ostrava: Tanger Ltd., 2020. ISBN 978-80-87294-95-6.

Original name:
NANOCON 2019: Conference Proceedings
English name:
Czech name:
Editor:
Kind of publication:
conference proceedings
ISBN:
978-80-87294-95-6
Publisher:
Tanger Ltd.
Place of publishing: Ostrava
Form of publication:
electronic version (online)
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Year of publication:
2020
Issue number:
Number of pages:
Entry:
11th International Conference NANOCON 2019
Original language:
Description in original language:
Description in English:
Description in Czech:
 
Entry made by: Markéta Hejčová, DiS.
Last change: 06/12/2020 09:26 (Markéta Hejčová, DiS.)

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Source specification:

11th International Conference NANOCON 2019. 2019, Brno.

Original name:
11th International Conference NANOCON 2019
English name:
Czech name:
Promoter:
Kind of publication:
holding a conference
Venue: Brno
Organizer:
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Time scope of event:
worldwide event
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Held in year :
2019
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Description in original language:
Description in English:
Description in Czech:
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RIV identification number:
 
Entry made by: Markéta Hejčová, DiS.
Last change:
06/12/2020 09:26 (Markéta Hejčová, DiS.)

Evaluation of publication:

1
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5
        
1
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