SHARMA, Vimal Kumar, David HYNEK, Libuše TRNKOVÁ, Dušan HEMZAL, Marian MÁRIK, René KIZEK a Jaromír HUBÁLEK. Electrochemical determination of adenine using a glassy carbon electrode modified with graphene oxide and polyaniline. Microchimica Acta. Wien: Springer-Verlag, 2016, roč. 183, č. 4, s. 1299-1306. ISSN 0026-3672. Dostupné z: https://dx.doi.org/10.1007/s00604-015-1740-0. |
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@article{1348217, author = {Sharma, Vimal Kumar and Hynek, David and Trnková, Libuše and Hemzal, Dušan and Márik, Marian and Kizek, René and Hubálek, Jaromír}, article_location = {Wien}, article_number = {4}, doi = {http://dx.doi.org/10.1007/s00604-015-1740-0}, keywords = {nanocomposite; sensor; cyclic voltammetry; differential pulse voltammetry; scanning electron microscopy; Raman spectroscopy}, language = {eng}, issn = {0026-3672}, journal = {Microchimica Acta}, title = {Electrochemical determination of adenine using a glassy carbon electrode modified with graphene oxide and polyaniline}, url = {http://dx.doi.org/10.1007/s00604-015-1740-0}, volume = {183}, year = {2016} }
TY - JOUR ID - 1348217 AU - Sharma, Vimal Kumar - Hynek, David - Trnková, Libuše - Hemzal, Dušan - Márik, Marian - Kizek, René - Hubálek, Jaromír PY - 2016 TI - Electrochemical determination of adenine using a glassy carbon electrode modified with graphene oxide and polyaniline JF - Microchimica Acta VL - 183 IS - 4 SP - 1299-1306 EP - 1299-1306 PB - Springer-Verlag SN - 00263672 KW - nanocomposite KW - sensor KW - cyclic voltammetry KW - differential pulse voltammetry KW - scanning electron microscopy KW - Raman spectroscopy UR - http://dx.doi.org/10.1007/s00604-015-1740-0 L2 - http://dx.doi.org/10.1007/s00604-015-1740-0 N2 - The electrochemical behavior of adenine at a glassy carbon electrode (GCE) modified with a nanocomposite consisting of graphene oxide and polyaniline was investigated by cyclic voltammetry and differential pulse voltammetry. The nanocomposite was synthesized by polymerization and characterized by Raman and UV-vis spectroscopy, and its morphology was examined by scanning electron microscopy. Adenine is oxidized at the modified GCE at a working potential of 1.2 V (vs. Ag/AgCl) and gives a current density of approximately 2.64 nA.cm(-2), which is distinctly increased compared to the 0.57 nA.cm(-2) of a bare electrode. Peak current and adenine concentration are linearly related to each other in the range from 0.5 mu M to 20 mu M. The modified GCE exhibits acceptable analytical performance, with a detection limit of 72 nM and a limit of quantification of 240 nM. It is excellently reproducible, stable, and fabrication is simple. ER -
SHARMA, Vimal Kumar, David HYNEK, Libuše TRNKOVÁ, Dušan HEMZAL, Marian MÁRIK, René KIZEK a Jaromír HUBÁLEK. Electrochemical determination of adenine using a glassy carbon electrode modified with graphene oxide and polyaniline. \textit{Microchimica Acta}. Wien: Springer-Verlag, 2016, roč.~183, č.~4, s.~1299-1306. ISSN~0026-3672. Dostupné z: https://dx.doi.org/10.1007/s00604-015-1740-0.
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