Novel nanostructure electrochemical sensor for electrocatalytic determination of norepinephrine in the presence of high concentrations of acetaminophene and folic acid

Mazloum-Ardakani, Mohammad; Beitollahi, Hadi; Sheikh-Mohseni, Mohammad Ali; Naeimi, Hossein; Taghavinia, Nima

doi:10.1016/j.apcata.2010.02.019

Cited by 93 publications

(39 citation statements)

References 43 publications

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“…So the DE p for our study is larger than zero, because of slow electron transfer for a redox process confined at the surface. This behavior (DE p > 0) was reported for many electroactive polymer films [17,23] and for modified electrodes with a surface confined modifier [1][2][3].…”

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confidence: 65%

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Electropolymerization of Thin Film Conducting Polymer and Its Application for Simultaneous Determination of Ascorbic Acid, Dopamine and Uric Acid

2011

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In this paper electropolymerization of a thin film of para-phenylenediamine (PPD) is studied at glassy carbon electrode (GCE) in sulfuric acid media by cyclic voltammetry. The results showed that this polymer was conducting and had a reproducible redox couple in the potential region from 0.0 to 0.4 V in phosphate buffer solution. This modified GCE (p-PPD-GCE) was applied for simultaneous determination of ascorbic acid (AA), dopamine (DA) and uric acid (UA) using differential pulse voltammetry (DPV). The p-PPD-GCE in 0.1 M phosphate buffer solution (pH 5.0) separated the DPV signals of AA, DA and UA with sufficient potential differences between AA-DA and DA-UA and also enhanced their oxidation peak currents. The oxidation currents were increased from 2.0 to 2000.0 mM for AA, 10.0 to 1250.0 mM for DA and 50.0 to 1600.0 mM for UA. The detection limits were evaluated as 0.4, 1.0 and 2.5 mM for AA, DA and UA, respectively (S/N = 3).

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“…Direct oxidation of more important biological substance at bare electrodes takes place at high overpotential and in a near region at potentials close to each other [1]. In addition, the direct oxidation causes electrode surface contamination (fouling) due to the adsorption of oxidized products.…”

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confidence: 99%

Electropolymerization of Thin Film Conducting Polymer and Its Application for Simultaneous Determination of Ascorbic Acid, Dopamine and Uric Acid

2011

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“…Lots of methods had been developed, such as spectrophotometry [13,14], ion chromatography [15], fluorescence spectroscopy [16], gas chromatography [17], capillary electrophoresis [18], high performance liquid chromatography (HPLC) [19,20] and electrochemical assay [21][22][23][24]. Among them, electrochemical assay is more reliable and simple due to NE's electroactivity itself [3].…”

Section: Introductionmentioning

confidence: 99%

Surface plasmon resonance sensor for norepinephrine using a monolayer of a calix[4]arene crown ether

et al. 2015

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The article describes a calix[4]arene derivative for use as a recognition element in an SPR sensor for norepinephrine (NE). The calix[4]arene carries a crown ether and a thiol group that enables the formation a self-assembled monolayer (SAM) on a gold surface. NE is recognized by the calix[4]arene via its positively charged amino group that has a high affinity for the crown moiety of the calixarene. The modified gold surface was characterized by Fourier transform infrared reflection absorption spectroscopy, atomic force microscopy, and cyclic voltammetry. The binding process to the sensor surface was monitored by SPR. Under optimized condition, the sensor has a linear response to NE in the 10 pM to 100 nM concentration range, and the detection limit is 0.12 pM.

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“…Some methods such as HPLC [24], capillary electrophoresis [25] and spectrophotometry [26] have been developed for the determination of AC. Also different electrochemical methods using modified electrodes have also been proposed for the determination of AC [27][28][29].…”

Section: Introductionmentioning

confidence: 99%

Simultaneous determination of captopril, acetaminophen and tryptophan at a modified electrode based on carbon nanotubes

Mazloum-Ardakani

Sheikh-Mohseni

Mirjalili

et al. 2012

Journal of Electroanalytical Chemistry

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Novel nanostructure electrochemical sensor for electrocatalytic determination of norepinephrine in the presence of high concentrations of acetaminophene and folic acid

Cited by 93 publications

References 43 publications

Electropolymerization of Thin Film Conducting Polymer and Its Application for Simultaneous Determination of Ascorbic Acid, Dopamine and Uric Acid

Electropolymerization of Thin Film Conducting Polymer and Its Application for Simultaneous Determination of Ascorbic Acid, Dopamine and Uric Acid

Surface plasmon resonance sensor for norepinephrine using a monolayer of a calix[4]arene crown ether

Simultaneous determination of captopril, acetaminophen and tryptophan at a modified electrode based on carbon nanotubes

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