Selective electrocatalysis of reduced graphene oxide towards
hydrogen peroxide aiming oxidases-based biosensing: Caution
while interpreting

J 2017

Selective electrocatalysis of reduced graphene oxide towards hydrogen peroxide aiming oxidases-based biosensing: Caution while interpreting

LACINA, Karel, Ondřej KUBESA, Petr VANÝSEK, Veronika HORÁČKOVÁ, Zdeněk MORAVEC et. al.

Basic information

Original name

Selective electrocatalysis of reduced graphene oxide towards hydrogen peroxide aiming oxidases-based biosensing: Caution while interpreting

Authors

LACINA, Karel (203 Czech Republic, guarantor, belonging to the institution), Ondřej KUBESA (203 Czech Republic, belonging to the institution), Petr VANÝSEK (203 Czech Republic), Veronika HORÁČKOVÁ (203 Czech Republic, belonging to the institution), Zdeněk MORAVEC (203 Czech Republic, belonging to the institution) and Petr SKLÁDAL (203 Czech Republic, belonging to the institution)

Edition

Electrochimica Acta, Oxford, Pergamon-Elsevier, 2017, 0013-4686

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10600 1.6 Biological sciences

Country of publisher

Netherlands

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

URL

Impact factor

Impact factor: 5.116

RIV identification code

RIV/00216224:14740/17:00096692

Organization unit

Central European Institute of Technology

DOI

http://dx.doi.org/10.1016/j.electacta.2016.11.172

UT WoS

000392773100001

Keywords in English

Reduced graphene oxide; electrocatalysis; hydrogen peroxide; enzymatic (bio)sensors; ascorbic acid

Abstract

V originále

Graphene is currently often reported as a superior electrochemical (and not only) material. Here we assess critically the often-reported electrocatalytic behaviour of an electrode modified with reduced graphene oxide (rGO) towards H2O2. Two different electrode materials - gold and glassy carbon - were modified with rGO and comparative measurements in the presence of H2O2 and two ordinary electrochemical interferents - ascorbic acid and dopamine - were performed. Neither selectivity nor significant electrocatalytic abilities of rGO modified electrodes were observed. Only the mass transfer was enhanced due to the improvement of the parameters applicable for general electrochemistry on nanoparticles - diffusion layer and electroactive area. (C) 2016 Elsevier Ltd. All rights reserved.

Links

LQ1601, research and development project

Name: CEITEC 2020 (Acronym: CEITEC2020)

Investor: Ministry of Education, Youth and Sports of the CR

Citovat

LACINA, Karel, Ondřej KUBESA, Petr VANÝSEK, Veronika HORÁČKOVÁ, Zdeněk MORAVEC and Petr SKLÁDAL. Selective electrocatalysis of reduced graphene oxide towards hydrogen peroxide aiming oxidases-based biosensing: Caution while interpreting. Electrochimica Acta. Oxford: Pergamon-Elsevier, 2017, vol. 223, January, p. 1-7. ISSN 0013-4686. Available from: https://dx.doi.org/10.1016/j.electacta.2016.11.172.

@article{1380719,
   author = {Lacina, Karel and Kubesa, Ondřej and Vanýsek, Petr and Horáčková, Veronika and Moravec, Zdeněk and Skládal, Petr},
   article_location = {Oxford},
   article_number = {January},
   doi = {http://dx.doi.org/10.1016/j.electacta.2016.11.172},
   keywords = {Reduced graphene oxide; electrocatalysis; hydrogen peroxide; enzymatic (bio)sensors; ascorbic acid},
   language = {eng},
   issn = {0013-4686},
   journal = {Electrochimica Acta},
   title = {Selective electrocatalysis of reduced graphene oxide towards hydrogen peroxide aiming oxidases-based biosensing: Caution while interpreting},
   url = {http://www.sciencedirect.com/science/article/pii/S0013468616325270},
   volume = {223},
   year = {2017}
}

TY  - JOUR
ID  - 1380719
AU  - Lacina, Karel - Kubesa, Ondřej - Vanýsek, Petr - Horáčková, Veronika - Moravec, Zdeněk - Skládal, Petr
PY  - 2017
TI  - Selective electrocatalysis of reduced graphene oxide towards hydrogen peroxide aiming oxidases-based biosensing: Caution while interpreting
JF  - Electrochimica Acta
VL  - 223
IS  - January
SP  - 1-7
EP  - 1-7
PB  - Pergamon-Elsevier
SN  - 00134686
KW  - Reduced graphene oxide
KW  - electrocatalysis
KW  - hydrogen peroxide
KW  - enzymatic (bio)sensors
KW  - ascorbic acid
UR  - http://www.sciencedirect.com/science/article/pii/S0013468616325270
L2  - http://www.sciencedirect.com/science/article/pii/S0013468616325270
N2  - Graphene is currently often reported as a superior electrochemical (and not only) material. Here we assess critically the often-reported electrocatalytic behaviour of an electrode modified with reduced graphene oxide (rGO) towards H2O2. Two different electrode materials - gold and glassy carbon - were modified with rGO and comparative measurements in the presence of H2O2 and two ordinary electrochemical interferents - ascorbic acid and dopamine - were performed. Neither selectivity nor significant electrocatalytic abilities of rGO modified electrodes were observed. Only the mass transfer was enhanced due to the improvement of the parameters applicable for general electrochemistry on nanoparticles - diffusion layer and electroactive area. (C) 2016 Elsevier Ltd. All rights reserved.
ER  -

LACINA, Karel, Ondřej KUBESA, Petr VANÝSEK, Veronika HORÁČKOVÁ, Zdeněk MORAVEC and Petr SKLÁDAL. Selective electrocatalysis of reduced graphene oxide towards hydrogen peroxide aiming oxidases-based biosensing: Caution while interpreting. \textit{Electrochimica Acta}. Oxford: Pergamon-Elsevier, 2017, vol.~223, January, p.~1-7. ISSN~0013-4686. Available from: https://dx.doi.org/10.1016/j.electacta.2016.11.172.

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