Combination of a poly(3,4-ethylene-dioxythiophene) electrode in the presence of sodium dodecyl sulfate with centri-voltammetry

Yudum Tepeli, Sema Aslan, Esma Sezer*, Ulku Anik

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9 Atıf (Scopus)

Özet

A poly(3,4-ethylene-dioxythiophene) (PEDOT) electrode was prepared by electropolymerization of 3,4-ethylene-dioxythiophene (EDOT) in the presence of sodium dodecyl sulfate (SDS). The electrode was combined with centri-voltammetry for the first time and applied for dopamine (DA) detection. Under the experimental conditions, SDS provides a high density of negative charges to the PEDOT electrode and by this way the electrode attracts the positively charged DA. Also by applying centrifugation, effective accumulation of DA onto the electrode surface was achieved. Two linear ranges 1 × 10-9 M to 1 × 10-5 M and 2 × 10-5 M to 1 × 10-1 M with two LOD values of 5.9 nM and 3.1 nM were found for the developed system. Sample application and interference study were also conducted.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)6740-6746
Sayfa sayısı7
DergiAnalytical Methods
Hacim7
Basın numarası16
DOI'lar
Yayın durumuYayınlandı - 21 Ağu 2015

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Publisher Copyright:
© 2015 The Royal Society of Chemistry.

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