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Notice of retraction
Vol. 34, No. 8(3), S&M3042

Notice of retraction
Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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Sensors and Materials, Volume 29, Number 1 (2017)
Copyright(C) MYU K.K.
pp. 85-94
S&M1303 Research Paper
https://doi.org/10.18494/SAM.2017.1416
Published: January 25, 2017

Determination of Dopamine in the Presence of Ascorbic Acid on Digitonin-Doped Coal Tar Pitch Carbonaceous Electrode [PDF]

İlknur Üstündağ and Aslı Erkal

(Received June 10, 2016; Accepted September 1, 2016)

Keywords: digitonin, coal tar pitch, carbonaceous electrode, dopamine, differential pulse voltammetry

A novel carbonaceous material was prepared from a digitonin (DG)-doped coal tar pitch (CTP) with a tube furnace under nitrogen atmosphere. It was used as an electrode after mixing the material with an organic binder (resin). The new carbon electrode was denoted as CTP-DG. CTPDG was characterized by cyclic voltammetry (CV), infrared spectroscopy (IR), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and X-ray diffraction (XRD). The electrode was used for the determination of dopamine (DA) by differential pulse voltammetry (DPV). It exhibits a linear response to DA in the range of 1–60 μM. The detection limit (S/N = 3) for DA is 80 nM. Satisfactory results were achieved for the determination of DA in human urine samples.

Corresponding author: ilknur Üstündağ


Cite this article
İlknur Üstündağ and Aslı Erkal, Determination of Dopamine in the Presence of Ascorbic Acid on Digitonin-Doped Coal Tar Pitch Carbonaceous Electrode, Sens. Mater., Vol. 29, No. 1, 2017, p. 85-94.



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