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- Title
Sequential Injection Amperometric Determination of Glucose in Saliva Using a Screen-Printed Electrode Modified with a Gold–Cobalt Binary System.
- Authors
Shaidarova, L. G.; Chelnokova, I. A.; Gafiatova, I. A.; Gedmina, A. V.; Budnikov, H. C.
- Abstract
The catalytic activity of particles of gold, cobalt, and a gold–cobalt binary system electrodeposited on the surface of planar carbon electrodes was found in the oxidation of glucose in a neutral medium. The amperometric response of a screen-printed electrode modified with a gold–cobalt binary system was used as an analytical signal in the determination of glucose in a sequential injection system. The linear logarithmic dependence of current on the glucose concentration was observed in the range from 5 × 10–8 to 5 × 10–2 M. The use of a screen-printed electrode modified with a gold–cobalt binary system as an amperometric detector in a sequential injection system makes it possible to selectively determine glucose in saliva in the concentration range used for medical diagnosis.
- Subjects
CARBON electrodes; GLUCOSE; ELECTRODES; OXIDATION of glucose; SALIVA; SEQUENTIAL injection analysis
- Publication
Journal of Analytical Chemistry, 2023, Vol 78, Issue 3, p372
- ISSN
1061-9348
- Publication type
Article
- DOI
10.1134/S1061934823030127