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Biosensor based on ds-DNA decorated chitosan modified multiwall carbon nanotubes for voltammetric biodetection of herbicide amitrole

Authors: Ali A Ensafi, Maryam Amini, Behzad Rezaei
Publication date: 2013/4/2
Journal name: Colloids and Surfaces B: Biointerfaces
Publisher: Elsevier
 
The interaction of amitrole and salmon sperm ds-DNA was studied using UV–vis and
differential pulse voltammetry (DPV) at both bare and DNA-modified electrodes. Amitrole
showed an oxidation peak at 0.445 V at a bare pencil graphite electrode (PGE). When ds-
DNA was added into the amitrole solution, the peak current of amitrole decreased and the
peak potential underwent a shift. UV–vis spectra showed that the absorption intensity of the
ds-DNA at 260nm decreased with increasing amitrole concentration, proving the ...

 

Journal Papers
Month/Season: 
April
Year: 
2013

تحت نظارت وف ایرانی

Biosensor based on ds-DNA decorated chitosan modified multiwall carbon nanotubes for voltammetric biodetection of herbicide amitrole | Prof. Ali A. Ensafi

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تحت نظارت وف ایرانی