Preparation and characterization of Pd/PPy-SDS/foam-Ni and Pd/PPy-CTAB/foam-Ni electrodes with high electroactive surface area

Direct electrochemistry of dsDNA based on the enhancement effect of cationic surfactants such as dodecyltrimethylammonium bromide (DTAB) and tetradecyltrimethylammonium bromide (TTAB) was achieved by using a carbon paste electrode modified with multiwalled carbon nanotubes (MWCNTs/CPE) as the basal electrode. The results indicated that the dsDNA molecules have been adsorbed quite strongly on the cationic surfactants’ film and very well developed peaks which were attributed to the oxidation of guanine residues on the dsDNA molecule structure were obtained from both electrodes. The electrochemical behavior of dsDNA at the surface of the modified electrodes was also evaluated. Based on the signal of guanine, under the optimal conditions, very low levels of dsDNA were detected following short accumulation times with detection limits of 0.650 mg L−1 and 0.119 mg L−1 for DTAB/MWCNTs/CPE and TTAB/MWCNTs/CPE, respectively.

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Use of Cationic Surfactants Film Carbon Paste Electrodes Modified with Multiwalled Carbon Nanotubes in Electrochemical Analysis of dsDNA

Serpi

Voulgaropoulos

Girousi

2013

Electroanalysis

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The effect of PVA foaming characteristics on foam forming

Hou

Wang

2017

Cellulose

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Electrocatalytic dechlorination of 2,4-dichlorophenol in aqueous solution on palladium loaded meshed titanium electrode modified with polymeric pyrrole and surfactant

Sun

Wei

et al. 2012

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Preparation and characterization of Pd/PPy-SDS/foam-Ni and Pd/PPy-CTAB/foam-Ni electrodes with high electroactive surface area

Cited by 4 publications

References 22 publications

Use of Cationic Surfactants Film Carbon Paste Electrodes Modified with Multiwalled Carbon Nanotubes in Electrochemical Analysis of dsDNA

Use of Cationic Surfactants Film Carbon Paste Electrodes Modified with Multiwalled Carbon Nanotubes in Electrochemical Analysis of dsDNA

The effect of PVA foaming characteristics on foam forming

Electrocatalytic dechlorination of 2,4-dichlorophenol in aqueous solution on palladium loaded meshed titanium electrode modified with polymeric pyrrole and surfactant

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