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Number of results

Journal

2012 | 10 | 5 | 1609-1616

Article title

Voltammetric determination of Rutin at Screen-Printed carbon disposable electrodes

Content

Title variants

Languages of publication

EN

Abstracts

EN
Rutin is a flavonoid commonly employed for many therapeutic purposes. Although the electroactive phenolic groups of rutin might be oxidized at low applied potential, the adsorption of oxidized species changes the electrode surface. As a consequence, the repeatability and reproducibility of the method decreases, which limits electroanalytical applications. This paper describes the use of disposable screen-printed electrodes as an alternative to improve the electrochemical quantification of rutin in commercial and standard samples. The electrochemical behavior was consistent to what is observed using other carbon electrodes: an adsorption-involved step and a pH-dependent oxidation process. The replacement of the electrodes between the analyses ensured rapid analysis, good intermediate precision and repeatability. The proposed method was successfully applied to rutin determination in pharmaceutical samples of capsules, with the limit of quantification being 0.30 µM. [...]

Publisher

Journal

Year

Volume

10

Issue

5

Pages

1609-1616

Physical description

Dates

published
1 - 10 - 2012
online
21 - 7 - 2012

Contributors

  • Faculty of Pharmacy, Federal University of Goias, Goiânia-GO, 74.605-220, Brazil
author
  • Faculty of Pharmacy, Federal University of Goias, Goiânia-GO, 74.605-220, Brazil
  • Faculty of Pharmacy, Federal University of Goias, Goiânia-GO, 74.605-220, Brazil
author
  • Faculty of Pharmacy, Federal University of Goias, Goiânia-GO, 74.605-220, Brazil
author
  • Faculty of Pharmacy, Federal University of Goias, Goiânia-GO, 74.605-220, Brazil
author
  • Faculty of Pharmacy, Federal University of Goias, Goiânia-GO, 74.605-220, Brazil

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_s11532-012-0093-3
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