Evaluation of 1,10-phenanthroline-5,6-dione as redox mediator for glucose oxidase


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Resumo

A low-cost and simply fabricated amperometric glucose biosensor based on glucose oxidase (GOx) and 1,10-phenanthroline-5,6-dione (PD) modified graphite rod electrode was developed. The electrode exhibited good electrocatalytic activity with a well-defined hyperbolic dependence of amperometric signal upon glucose concentration in the presence and in the absence of oxygen. The electrode showed a good reproducibility and repeatability with relative standard deviation of less than 3 and 5%, respectively. The interaction of GOx with PD mediator was confirmed by means of UV?Vis absorbance spectroscopy.

Sobre autores

Erhan Zor

Science and Technology Department Konya; Vilnius University, Faculty of Chemistry, NanoTechnas Vilnius; Department of Chemistry Konya

Email: arunas.ramanavicius@chf.vu.lt
Turquia, Konya; Vilnius; Konya

Yasemin Oztekin

Vilnius University, Faculty of Chemistry, NanoTechnas Vilnius; Department of Chemistry Konya; BioNanoTechnology, Center for Physical Sciences and Technology Vilnius

Email: arunas.ramanavicius@chf.vu.lt
Lituânia, Vilnius; Konya; Vilnius

Almira Ramanaviciene

Vilnius University, Faculty of Chemistry, NanoTechnas Vilnius

Email: arunas.ramanavicius@chf.vu.lt
Lituânia, Vilnius

Zilvinas Anusevicius

Vilnius University, Institute of Biochemistry Vilnius

Email: arunas.ramanavicius@chf.vu.lt
Lituânia, Vilnius

Jaroslav Voronovic

Vilnius University, Faculty of Chemistry, NanoTechnas Vilnius

Email: arunas.ramanavicius@chf.vu.lt
Lituânia, Vilnius

Haluk Bingol

Chemistry Department Konya

Email: arunas.ramanavicius@chf.vu.lt
Turquia, Konya

Dana Barauskas-Memenas

Department of Physical Chemistry Vilnius

Email: arunas.ramanavicius@chf.vu.lt
Lituânia, Vilnius

Linas Labanauskas

BioNanoTechnology, Center for Physical Sciences and Technology Vilnius

Email: arunas.ramanavicius@chf.vu.lt
Lituânia, Vilnius

Arunas Ramanavicius

BioNanoTechnology, Center for Physical Sciences and Technology Vilnius; Department of Physical Chemistry Vilnius

Autor responsável pela correspondência
Email: arunas.ramanavicius@chf.vu.lt
Lituânia, Vilnius; Vilnius


Declaração de direitos autorais © Pleiades Publishing, Ltd., 2016

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