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Sensing Lorazepam with a glassy carbon electrode coated with an electropolymerized-imprinted polymer modified with multiwalled carbon nanotubes and gold nanoparticles

Authors: Behzad Rezaei, Omid Rahmanian, Ali Asghar Ensafi
Publication date: 2013/1/1
Journal name: Microchimica Acta
Volume: 180
Pages: 33-39
Publisher: Springer Vienna
 
Abstract We report on an electrode for the amperometric determination of lorazepam. A
glassy carbon electrode was coated with a molecular imprint made by electropolymerization
of ortho-phenylenediamine and filled with multiwalled carbon nanotubes and gold
nanoparticles, which enhances the transmission of electrons. The sensor was studied with
respect to its response to hexacyanoferrate (III) as a probe and by electrochemical
impedance spectroscopy, cyclic voltammetry and square wave voltammetry. The linear ...

 

Journal Papers
Month/Season: 
January
Year: 
2013

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