Determination of Cystein in Biology Solids by Electrochemical Methods with Gold Colloidal Particles; World Applied Sciences Journal; Vol. 29, iss. 12
| Parent link: | World Applied Sciences Journal: Scientific Journal Vol. 29, iss. 12.— 2014.— [P. 1591-1594] |
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| Ente Autore: | |
| Altri autori: | , , , , |
| Riassunto: | Title screen The electrochemical behavior of cysteine at a graphite electrodes modified with gold nanoparticles was studied by cyclic voltammetry. We compared the results of determination of cysteine in the particulate, graphite and glasgraphite electrodes modified with gold nanoparticles and single crystals of gold. Specific feature of the electrooxidation of cystein at a graphite electrodes modified with gold nanoparticles and at a graphite electrodes modified from solution HAuCl . It was found that graphite electrodes modified with gold 4 nanoparticles have more electrocatalytic activity toward the oxidation of cysteine than single crystals of gold due to the increase in the number of atoms on the surface of the graphite electrode in comparison with single crystals of gold, which catalyze the oxidation process of cystein. The use of graphite electrode modified with gold nanoparticles reduces the detection limit for cystein under to 1•10 M. The method for determination of 12 cysteine in biological samples. Режим доступа: по договору с организацией-держателем ресурса |
| Lingua: | inglese |
| Pubblicazione: |
2014
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| Soggetti: | |
| Accesso online: | http://www.idosi.org/wasj/wasj29(12)14/17.pdf http://elibrary.ru/item.asp?id=22058523 |
| Natura: | Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=639293 |
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| 200 | 1 | |a Determination of Cystein in Biology Solids by Electrochemical Methods with Gold Colloidal Particles |f E. V. Gorchakov [et al.] | |
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| 300 | |a Title screen | ||
| 320 | |a [References: p. 1594 (16 tit.)] | ||
| 330 | |a The electrochemical behavior of cysteine at a graphite electrodes modified with gold nanoparticles was studied by cyclic voltammetry. We compared the results of determination of cysteine in the particulate, graphite and glasgraphite electrodes modified with gold nanoparticles and single crystals of gold. Specific feature of the electrooxidation of cystein at a graphite electrodes modified with gold nanoparticles and at a graphite electrodes modified from solution HAuCl . It was found that graphite electrodes modified with gold 4 nanoparticles have more electrocatalytic activity toward the oxidation of cysteine than single crystals of gold due to the increase in the number of atoms on the surface of the graphite electrode in comparison with single crystals of gold, which catalyze the oxidation process of cystein. The use of graphite electrode modified with gold nanoparticles reduces the detection limit for cystein under to 1•10 M. The method for determination of 12 cysteine in biological samples. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t World Applied Sciences Journal |o Scientific Journal | ||
| 463 | |t Vol. 29, iss. 12 |v [P. 1591-1594] |d 2014 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a Particulate electrode | |
| 610 | 1 | |a Cystein | |
| 610 | 1 | |a Graphite Electrode | |
| 610 | 1 | |a Glassgraphite electrode | |
| 610 | 1 | |a Gold nanoparticles | |
| 610 | 1 | |a Gold single crystal | |
| 610 | 1 | |a Voltammetry | |
| 610 | 1 | |a Biological fluid | |
| 610 | 1 | |a Fraction of blood | |
| 701 | 1 | |a Gorchakov |b E. V. | |
| 701 | 1 | |a Perevezentseva |b D. O. |c Chemist |c Associate Professor of Tomsk Polytechnic University, Candidate of chemical sciences |f 1979- |g Dariya Olegovna |3 (RuTPU)RU\TPU\pers\33799 |9 17397 | |
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