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https://doi.org/10.5562/cca3177

Electrochemical Determination of Adrenaline at Ru(III) Schiff Base Complex Modified Carbon Electrodes

Emir Turkušić ; University of Sarajevo, Faculty of Science, Department of Chemistry, Zmaja od Bosne 33-35, Sarajevo, Bosnia and Herzegovina
Safeta Redžić ; University of Bihać, Biotechnical faculty Bihać, Luke Marjanovića bb 77 000 Bihać, Bosnia and Herzegovina
Emira Kahrović ; University of Sarajevo, Faculty of Science, Department of Chemistry, Zmaja od Bosne 33-35, Sarajevo, Bosnia and Herzegovina
Adnan Zahirović ; University of Sarajevo, Faculty of Science, Department of Chemistry, Zmaja od Bosne 33-35, Sarajevo, Bosnia and Herzegovina


Puni tekst: engleski pdf 1.496 Kb

str. 345-352

preuzimanja: 865

citiraj


Sažetak

The anodic oxidation of adrenaline on ruthenium(III) Schiff base complex modified carbon electrodes was used for determination of adrenaline by flow-injection analysis, cyclic voltammetry, differential pulse voltammetry and hydrodynamic amperometry. The electrocatalytic properties of ruthenium(III) complex at glassy and screen printed carbon electrodes were enhanced by addition of cellulose acetate and multi-walled carbon nanotubes. Flow injection amperometric measurements were performed at 100 mV vs. Ag / AgCl in 0.1 M phosphate buffer pH 7.5 at 0.4 mL min−1 flow rate. Novel sensor provided a linear dynamic range up to 50 mg L−1 of adrenaline with detection limit of 53 µg L−1 at physiological pH. Determination of adrenaline in commercial sample was carried out by flow-injection method with excellent recoveries 99.8–101 %.

This work is licensed under a Creative Commons Attribution 4.0 International License.

Ključne riječi

adrenaline, multi-walled carbon nanotubes, Ru(III) complex, Schiff base, flow injection amperometry, cyclic voltammetry, differential pulse voltammetry

Hrčak ID:

187189

URI

https://hrcak.srce.hr/187189

Posjeta: 1.222 *