Development of a voltammetric method of analysis using praseodymium oxide‐carbon nanotubes for the sensitive detection of dopamine in the presence of tramadol, paracetamol and ascorbic acid

A sensitive and selective method of analysis was constructed by the the combination of praseodymium oxide and carbon nanotubes. The charge transfer resistance (Rct) values of 109 in 1 × 10−3 M K3[Fe(CN)6] and 79 Ω in 5 × 10−6 M dopamine indicate that Pr6O11@MWCNTs/GCE enables an excellent electron p...

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Bibliographic Details
Published in:Electroanalysis (New York, N.Y.) N.Y.), 2023-07, Vol.35 (7), p.n/a
Main Authors: Düzmen, Şehriban, Aslanoglu, Mehmet
Format: Article
Language:English
Subjects:
dopamine
electroanalysis
modified electrodes
praseodymium
voltammetric sensors
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Summary:A sensitive and selective method of analysis was constructed by the the combination of praseodymium oxide and carbon nanotubes. The charge transfer resistance (Rct) values of 109 in 1 × 10−3 M K3[Fe(CN)6] and 79 Ω in 5 × 10−6 M dopamine indicate that Pr6O11@MWCNTs/GCE enables an excellent electron pathway between electrolyte and electrode. The platform was successfully applied for the determination of dopamine in the presence of tramadol, paracetamol and ascorbic acid. The platform exhibited a remarkable decrease in ▵Ep for DA. A dynamic linear range from 1.2 × 10−9 M to 1.8 × 10−5 M was obtained with an LOD of 1.0 × 10−10 M. Such a sensitive and selective method of analysis makes Pr6O11@MWCNTs/GCE of high interest to observe trace level of DA with good accuracy and precision.
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.202200488