A BIOSENSING APPLICATION OF PENCIL GRAPHITE ELECTRODE MODIFIED BY COPPER NANOPARTICLES FOR ADENINE DETECTION

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Authors

SHARMA Vimal Kumar MAREK Marian ČECHAL Jan TRNKOVÁ Libuše

Year of publication 2015
Type Article in Proceedings
Conference XV. Workshop of Physical Chemists and Electrochemists
MU Faculty or unit

Faculty of Science

Citation
Field Physical chemistry and theoretical chemistry
Keywords PeGE; copper nanoparticles; PVP shell; UV/VIS; zetasizer; X-ray photoelectron spectroscopy; SEM
Description A pencil graphite electrode (PeGE) modified by copper nanoparticles (Cu NPs) was prepared to determine adenine. The results indicated that modification of PeGE by Cu NPs exhibits an enhancement in the oxidation peak current with a positive shift of the peak potential, in contrast to that observed on original PeGEs at pH ranges from 3.0 to 8.0 investigated by cyclic voltammetry. The simplicity and sensitivity of the modified electrode promises the probability of the detection of electroactive biomolecules.
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