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Analysis of l-tyrosine based on electrocatalytic oxidative reactions via screen-printed electrodes modified with multi-walled carbon nanotubes and nanosized titanium oxide (TiO2)статья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
- Авторы: Shumyantseva Victoria, Bulko Tatiana, Kuzikov Alexey, Masamrekh Rami, Archakov Alexander
- Журнал: Amino Acids
- Том: 50
- Номер: 7
- Год издания: 2018
- Издательство: Springer Verlag
- Местоположение издательства: Germany
- Первая страница: 823
- Последняя страница: 829
- DOI: 10.1007/s00726-018-2557-z
- Аннотация: Method for electrochemical determination of l-tyrosine with screen-printed electrodes (SPE) modified with multi-walled CNT or CNT/TiO2 as sensing elements was used for the electroanalysis of l-tyrosine (Tyr). It was demonstrated that SPE/CNT and SPE/CNT/TiO2 exhibited high electrocatalytic activity and good analytical performance towards oxidation of l-tyrosine. The linear range of Tyr in human serum was 0.025 ÷ 1 mM with the correlation coefficient R2 = 0.97. Direct electrochemistry (without any mediator) of co-factor-free bovine serum albumin (BSA) and human serum albumin (HSA) was investigated by use of modified electrodes. Protein–ligand interactions based on the electrocatalytic oxidation of l-tyrosine during HSA interaction with hemin were analyzed by the change of peak height and oxidation peak area, corresponding to tyrosine oxidation accessibility.
- Добавил в систему: Кузиков Алексей Владимирович