Determination of antioxidant capacity of medicinal tinctures using cuprac method involving Cu(II) neocuproine immobilized into polymethacrylate matrix

Abstract

This work suggests using Cu(II) - neocuproine redox system immobilized into transparent polymethacrylate matrix for assessment of antioxidant capacity using CUPRAC method. The method we developed makes it possible to quantify the content of the antioxidants in the concentration range of 5.9 × 10⁻⁸–9.1 × 10⁻⁵ M. The sensor was tolerant to pH variations and painting, and used for the antioxidant capacity determination values of some commercial medicinal tinctures without pretreatment.

Original language	English
Article number	118581
Journal	Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume	240
DOIs	https://doi.org/10.1016/j.saa.2020.118581
Publication status	Published - 15 Oct 2020

Keywords

Antioxidant capacity
Cu(II)-neocuproine redox system
Plant extract
Polymethacrylate matrix
Solid-phase spectrophotometry

ASJC Scopus subject areas

Analytical Chemistry
Atomic and Molecular Physics, and Optics
Instrumentation
Spectroscopy

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Saranchina, N. V., Damzina, A. A., Ermolaev, Y. E., Urazov, E. V., Gavrilenko, N. A., & Gavrilenko, M. A. (2020). Determination of antioxidant capacity of medicinal tinctures using cuprac method involving Cu(II) neocuproine immobilized into polymethacrylate matrix. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 240, [118581]. https://doi.org/10.1016/j.saa.2020.118581

Determination of antioxidant capacity of medicinal tinctures using cuprac method involving Cu(II) neocuproine immobilized into polymethacrylate matrix. / Saranchina, N. V.; Damzina, A. A.; Ermolaev, Y. E.; Urazov, E. V.; Gavrilenko, N. A.; Gavrilenko, M. A.

In: Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, Vol. 240, 118581, 15.10.2020.

Research output: Contribution to journal › Article › peer-review

Saranchina, NV, Damzina, AA, Ermolaev, YE, Urazov, EV, Gavrilenko, NA & Gavrilenko, MA 2020, 'Determination of antioxidant capacity of medicinal tinctures using cuprac method involving Cu(II) neocuproine immobilized into polymethacrylate matrix', Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, vol. 240, 118581. https://doi.org/10.1016/j.saa.2020.118581

Saranchina NV, Damzina AA, Ermolaev YE, Urazov EV, Gavrilenko NA , Gavrilenko MA. Determination of antioxidant capacity of medicinal tinctures using cuprac method involving Cu(II) neocuproine immobilized into polymethacrylate matrix. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 2020 Oct 15;240. 118581. https://doi.org/10.1016/j.saa.2020.118581

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abstract = "This work suggests using Cu(II) - neocuproine redox system immobilized into transparent polymethacrylate matrix for assessment of antioxidant capacity using CUPRAC method. The method we developed makes it possible to quantify the content of the antioxidants in the concentration range of 5.9 × 10−8–9.1 × 10−5 M. The sensor was tolerant to pH variations and painting, and used for the antioxidant capacity determination values of some commercial medicinal tinctures without pretreatment.",

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AU - Urazov, E. V.

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AU - Gavrilenko, M. A.

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AB - This work suggests using Cu(II) - neocuproine redox system immobilized into transparent polymethacrylate matrix for assessment of antioxidant capacity using CUPRAC method. The method we developed makes it possible to quantify the content of the antioxidants in the concentration range of 5.9 × 10−8–9.1 × 10−5 M. The sensor was tolerant to pH variations and painting, and used for the antioxidant capacity determination values of some commercial medicinal tinctures without pretreatment.

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KW - Cu(II)-neocuproine redox system

KW - Plant extract

KW - Polymethacrylate matrix

KW - Solid-phase spectrophotometry

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