Electrochemical sensors based on noble metal nanoparticles in voltammetry; Key Engineering Materials; Vol. 887 : FarEastCon
| Parent link: | Key Engineering Materials: Scientific Journal Vol. 887 : FarEastCon.— 2021.— [P. 54-59] |
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| Zusammenfassung: | Title screen Portable electrochemical sensors based on noble metal nanoparticles (МеNPs) for the quantitative determination of hydrogen peroxide (H2O2) and sulfur-containing amino acids (cysteine, methionine, glutathione) are discussed. These sensors have high sensitivity (pM), with low sample requirements (<50 [mu]l). This article discusses methods for producing sensors based on silver and gold nanoparticles and their application in voltammetry. It is shown that the sensitivity of H2O2 determination on a sensor based on silver nanoparticles (AgNPs) depends on their size. Their size is determined by the reducing agent. Sensors based on AgNPs of spherical shape with the smallest size from 0.5 to 17.5 nm have the highest sensitivity for determining H2O2, but a narrow range of determined concentrations. Sensors on medium-sized AgNPs have optimal metrological characteristics. Their size is from 10 to 55 nm, less sensitive, but with a wide range of determined concentrations from 0.1 to 1 nm H2O2. The linearity of the range of glutathione concentrations is 1.0-10.0 pM. The linearity of the range of determined concentrations of methionine is 1–26 рМ. Режим доступа: по договору с организацией-держателем ресурса |
| Sprache: | Englisch |
| Veröffentlicht: |
2021
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| Schlagworte: | |
| Online-Zugang: | https://doi.org/10.4028/www.scientific.net/KEM.887.54 |
| Format: | Elektronisch Buchkapitel |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666712 |
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| 200 | 1 | |a Electrochemical sensors based on noble metal nanoparticles in voltammetry |f D. O. Perevezentseva, E. V. Gorchakov | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 330 | |a Portable electrochemical sensors based on noble metal nanoparticles (МеNPs) for the quantitative determination of hydrogen peroxide (H2O2) and sulfur-containing amino acids (cysteine, methionine, glutathione) are discussed. These sensors have high sensitivity (pM), with low sample requirements (<50 [mu]l). This article discusses methods for producing sensors based on silver and gold nanoparticles and their application in voltammetry. It is shown that the sensitivity of H2O2 determination on a sensor based on silver nanoparticles (AgNPs) depends on their size. Their size is determined by the reducing agent. Sensors based on AgNPs of spherical shape with the smallest size from 0.5 to 17.5 nm have the highest sensitivity for determining H2O2, but a narrow range of determined concentrations. Sensors on medium-sized AgNPs have optimal metrological characteristics. Their size is from 10 to 55 nm, less sensitive, but with a wide range of determined concentrations from 0.1 to 1 nm H2O2. The linearity of the range of glutathione concentrations is 1.0-10.0 pM. The linearity of the range of determined concentrations of methionine is 1–26 рМ. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\11477 |t Key Engineering Materials |o Scientific Journal | |
| 463 | |t Vol. 887 : FarEastCon |o International Scientific Conference, which took place on October 6-9, 2020, in Vladivostok, Russian Federation |o [proceedings] |v [P. 54-59] |d 2021 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a electrochemical sensor | |
| 610 | 1 | |a gold nanoparticles | |
| 610 | 1 | |a hydrogen peroxide | |
| 610 | 1 | |a silver nanoparticles | |
| 610 | 1 | |a sulfur-containing amino acids | |
| 610 | 1 | |a voltammetry | |
| 610 | 1 | |a сенсоры | |
| 610 | 1 | |a наночастицы | |
| 610 | 1 | |a золото | |
| 610 | 1 | |a серебро | |
| 610 | 1 | |a вольтамперометрия | |
| 610 | 1 | |a аминокислоты | |
| 700 | 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 | |
| 701 | 1 | |a Gorchakov |b E. V. |g Eduard Vladimirovich | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Школа базовой инженерной подготовки |b Отделение естественных наук |3 (RuTPU)RU\TPU\col\23562 |
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| 856 | 4 | |u https://doi.org/10.4028/www.scientific.net/KEM.887.54 | |
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