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@article{1373343,
author = {Sharma, Vimal Kumar and Trnková, Libuše},
article_number = {11},
doi = {http://dx.doi.org/10.1002/elan.201600237},
keywords = {Copper nanoparticles; pencil graphite electrode; adenine oxidation; linear sweep voltammetry; electrochemical biosensing},
language = {eng},
issn = {1040-0397},
journal = {Electroanalysis},
title = {Copper Nanoparticle Modified Pencil Graphite Electrode for Electroanalysis of Adenine},
url = {http://onlinelibrary.wiley.com/doi/10.1002/elan.201600237/full},
volume = {28},
year = {2016}
}
TY - JOUR
ID - 1373343
AU - Sharma, Vimal Kumar - Trnková, Libuše
PY - 2016
TI - Copper Nanoparticle Modified Pencil Graphite Electrode for Electroanalysis of Adenine
JF - Electroanalysis
VL - 28
IS - 11
SP - 2834-2840
EP - 2834-2840
SN - 10400397
KW - Copper nanoparticles
KW - pencil graphite electrode
KW - adenine oxidation
KW - linear sweep voltammetry
KW - electrochemical biosensing
UR - http://onlinelibrary.wiley.com/doi/10.1002/elan.201600237/full
L2 - http://onlinelibrary.wiley.com/doi/10.1002/elan.201600237/full
N2 - A pencil graphite electrode (PeGE) modified with copper nanoparticles (CuNPs) was employed for sensitive electrochemical detection of adenine (Ade). The CuNPs were synthesized by the chemical reduction of copper (II) sulphate by borohydride in the presence of polyvinylpyrrolidone (PVP) and immobilized onto the electrode surface by means of physical adsorption. The cyclic voltammetry (CV) results illustrate that the CuNP-modified PeGE provides at least fivefold increase of Ade oxidation peaks compared to the bare PeGE. The detection limit in CV corresponds to value of 200nM. The accumulation of Ade through the complex with Cu (I) allows us to introduce the novel biosensor for the determination not only of adenine but also purines capable to form analogical Cu (I) complexes.
ER -
SHARMA, Vimal Kumar a Libuše TRNKOVÁ. Copper Nanoparticle Modified Pencil Graphite Electrode for Electroanalysis of Adenine. \textit{Electroanalysis}. roč.~28, č.~11, s.~2834-2840. ISSN~1040-0397. doi:10.1002/elan.201600237. 2016.
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