A novel impedimetric sensor based on N-acetyl-L-cysteine for the determination of hydroxyl radicals in cell cultures in vitro; Talanta; Vol. 270

A novel impedimetric sensor based on N-acetyl-L-cysteine for the determination of hydroxyl radicals in cell cultures in vitro; Talanta; Vol. 270

Detalles Bibliográficos
Parent link:	Talanta.— .— Amsterdam: Elsevier Science Publishing Company Inc. Vol. 270.— 2024.— Article number 125600, 8 p.
Outros autores:	Erkovich A. V. Alina Vadimovna, Korotkova E. I. Elena Ivanovna, Dorozhko E. V. Elena Vladimirovna, Plotnikov E. V. Evgeny Vladimirovich, Semin V. O. Viktor Olegovich, Chernova A. P. Anna Pavlovna, Barek J. Jiri, Solomonenko A. N. Anna Nikolaevna, Aseeva N. V. Natalya Valerevna
Summary:	Title screen We report a novel impedimetric sensor based on a graphite electrode impregnated with polyethylene and paraffin under vacuum (IGE) modified with electrochemically deposited gold and a self-assembled monolayer of N-acetyl-L-cysteine (NAC/Au/IGE) for selective and sensitive determination of extracellular hydroxyl radicals (OH•) generated by living cells. The application of a sulphur-containing molecule oxidized by OH• predicts the high selectivity of the sensor, and the utilization of the non-faradaic impedance spectroscopy for recording an analytical response makes it possible to achieve superior sensitivity with a detection limit of 0.01 nM and a linear dynamic range of 0.08–8 nM. Meanwhile, NAC/Au/IGE demonstrated a strong potential of detecting OH• generated by biological objects via successful determination of extracellular hydroxyl radicals generated by normal fibroblast cells and prostate carcinoma cells Текстовый файл AM_Agreement
Idioma:	inglés
Publicado:	2024
Subjects:	электронный ресурс труды учёных ТПУ hydroxyl radical impedimetric sensor cell cultures N-Acetyl-L-cysteine oxidative stress
Acceso en liña:	https://doi.org/10.1016/j.talanta.2023.125600
Formato:	Electrónico Capítulo de libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=672390

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