NDLI: High electrocatalytic oxidation of folic acid at carbon paste electrode bulk modified with iron nanoparticle-decorated multiwalled carbon nanotubes and its application in food and pharmaceutical analysis

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High electrocatalytic oxidation of folic acid at carbon paste electrode bulk modified with iron nanoparticle-decorated multiwalled carbon nanotubes and its application in food and pharmaceutical analysis

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High electrocatalytic oxidation of folic acid at carbon paste electrode bulk modified with iron nanoparticle-decorated multiwalled carbon nanotubes and its application in food and pharmaceutical analysis

Content Provider	Springer Nature Link
Author	D’Souza, Ozma J. Mascarenhas, Ronald J. Satpati, Ashis K. Detriche, Simon Mekhalif, Zineb Delhalle, Joseph
Copyright Year	2016
Abstract	A simple and rapid method was employed for the modification of carbon paste electrode with iron nanoparticle-decorated multiwalled carbon nanotubes (MCPE/Fe-MWCNTs). The synergistic effect of iron nanoparticle and multiwalled carbon nanotubes results in the electrocatalytic oxidation of folic acid (FA). MCPE/Fe-MWCNTs were characterized by FESEM by recording surface morphological images; the elemental analysis of the electrode was carried out by EDX and electrochemical impedance spectroscopy to investigate surface-interface properties between solid electrode surface and the solution. The electronic transitions during the electrochemical oxidation of FA were investigated using spectroelectrochemical data. Cyclic voltammetry and differential pulse voltammetric techniques were used for the qualitative and quantitative analysis of FA respectively at physiological pH. MCPE/Fe-MWCNTs produced a linear response to FA over a wide concentration range with a detection limit of 2.4 ± 0.9 nM (S/N = 3). The fabricated sensor was successfully utilized as an effective tool for the determination of FA in food samples, human blood serum, and pharmaceuticals. Graphical abstract Electrocatalytic oxidation of folic acid using CPE bulk modified with iron nanoparticles decorated MWCNTs
Starting Page	201
Ending Page	212
Page Count	12
File Format	PDF
ISSN	09477047
Journal	Ionics
Volume Number	23
Issue Number	1
e-ISSN	18620760
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-08-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Iron nanoparticle-decorated multiwalled carbon nanotubes Modified carbon paste electrode Differential pulse voltammetry Folic acid Cyclic voltammetry Electrochemistry Renewable and Green Energy Optical and Electronic Materials Condensed Matter Physics Energy Storage
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Engineering Materials Science Chemical Engineering

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