KFU. Card publication. Voltammetric sensor based on SeO2 nanoparticles and surfactants for indigo carmine determination

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FEDERAL UNIVERSITY

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VOLTAMMETRIC SENSOR BASED ON SEO2 NANOPARTICLES AND SURFACTANTS FOR INDIGO CARMINE DETERMINATION

Form of presentation

Articles in international journals and collections

Year of publication

2022

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Authors, employees of KFU

Ziyatdinova Guzel Kamilevna, author

Authors, students KFU

Kavieva Liya Radikovna, author

Bibliographic description in the original language

Kavieva, L. Voltammetric sensor based on SeO2 nanoparticles and surfactants for indigo carmine determination / L. Kavieva, G. Ziyatdinova // Sensors. – 2022. – V. 22. – � 9. – Article 3224. – 16 p.

Annotation

Indigo carmine is a widely used colorant in the food and pharmaceutical industry a high concentration of which can lead to a wide range of negative effects on human health. Therefore, colorant contents have to be strictly controlled. SeO2-nanoparticle-modified glassy carbon electrodes (GCE) have been developed as a voltammetric sensor for indigo carmine. Various types and concentrations of surfactants have been used as reagents for the stabilization of SeO2 nanoparticle dispersions and as electrode surface co-modifiers. An amount of 1.0 mM cationic cetylpyridinium bromide (CPB) provides the best response of the indigo carmine on the modified electrode. The electrodes were characterized by cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy (EIS). SeO2 nanoparticle–CPB-modified electrodes show 4.2-fold higher electroactive area vs. GCE as well as a dramatic 5043-fold decrease in the electron transfer resistance indicating effectivity of the modifier developed. The surface-controlled electrooxidation of indigo carmine proceeds irreversibly (αa = 0.46) with the participation of two electrons and two protons. A linear dynamic range of 0.025–1.0 and 1.0–10 ?M of indigo carmine were obtained with the detection and quantification limits of 4.3 and 14.3 nM, respectively. The practical applicability of the sensor was successfully shown on the pharmaceutical dosage forms.

Keywords

Nanoparticles; surfactants; electrochemical sensors; voltammetry; colorants; indigo carmine; pharmaceutical analysis

The name of the journal

Sensors

URL

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85128526342&doi=10.3390%2fs22093224&partnerID=40&md5=cdd1e4ee2f30fa2396103a62a1f509b7

Please use this ID to quote from or refer to the card

https://repository.kpfu.ru/eng/?p_id=266588&p_lang=2

Full metadata record

Field DC	Value	Language
dc.contributor.author	Ziyatdinova Guzel Kamilevna	ru_RU
dc.contributor.author	Kavieva Liya Radikovna	ru_RU
dc.date.accessioned	2022-01-01T00:00:00Z	ru_RU
dc.date.available	2022-01-01T00:00:00Z	ru_RU
dc.date.issued	2022	ru_RU
dc.identifier.citation	Kavieva, L. Voltammetric sensor based on SeO2 nanoparticles and surfactants for indigo carmine determination / L. Kavieva, G. Ziyatdinova // Sensors. – 2022. – V. 22. – � 9. – Article 3224. – 16 p.	ru_RU
dc.identifier.uri	https://repository.kpfu.ru/eng/?p_id=266588&p_lang=2	ru_RU
dc.description.abstract	Sensors	ru_RU
dc.description.abstract	Indigo carmine is a widely used colorant in the food and pharmaceutical industry a high concentration of which can lead to a wide range of negative effects on human health. Therefore, colorant contents have to be strictly controlled. SeO2-nanoparticle-modified glassy carbon electrodes (GCE) have been developed as a voltammetric sensor for indigo carmine. Various types and concentrations of surfactants have been used as reagents for the stabilization of SeO2 nanoparticle dispersions and as electrode surface co-modifiers. An amount of 1.0 mM cationic cetylpyridinium bromide (CPB) provides the best response of the indigo carmine on the modified electrode. The electrodes were characterized by cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy (EIS). SeO2 nanoparticle–CPB-modified electrodes show 4.2-fold higher electroactive area vs. GCE as well as a dramatic 5043-fold decrease in the electron transfer resistance indicating effectivity of the modifier developed. The surface-controlled electrooxidation of indigo carmine proceeds irreversibly (αa = 0.46) with the participation of two electrons and two protons. A linear dynamic range of 0.025–1.0 and 1.0–10 ?M of indigo carmine were obtained with the detection and quantification limits of 4.3 and 14.3 nM, respectively. The practical applicability of the sensor was successfully shown on the pharmaceutical dosage forms.	ru_RU
dc.language.iso	ru	ru_RU
dc.subject		ru_RU
dc.title	Voltammetric sensor based on SeO2 nanoparticles and surfactants for indigo carmine determination	ru_RU
dc.type	Articles in international journals and collections	ru_RU