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Cobalt Flower-like Nanostructure as Modifier for Electrocatalytic Determination of Chloropheniramine
journal contribution
posted on 2012-11-07, 00:00 authored by Mandana Amiri, Mohsen Alimoradi, Khadijeh Nekoueian, Abolfazl BezaatpourIn this approach, flower-like cobalt with a hierarchical
structure was applied as modifier for voltammetric determination of
chlorpheniramine, which is an antihistaminic drug. The flower-like
cobalt nanostructures were synthesized by using a simple chemical
method. They have been characterized by using scanning electron microscopy
and cyclic voltammetry. The carbon paste electrode modified with
cobalt nanostructures shows an excellent electrocatalytic activity
and sensitivity toward chlorpheniramine due to its unique properties
such as high specific surface area and large pore volume. Potential
sweep rate and pH effects on the response of the electrode for the
oxidation of chlorpheniramine were investigated. Differential pulse
voltammetry has been applied for quantitative determination of chlorpheniramine.
A dynamic linear range was obtained in the range of 1.0 × 10–7–1.0 × 10–5 mol L–1, and the detection limit was estimated to be 8.0
× 10–8 mol L–1.
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surface areachlorpheniraminePotential sweep ratecyclic voltammetrycobalt nanostructuresdetection limitvoltammetric determinationpH effectselectrocatalytic activityElectrocatalytic Determinationscanning electron microscopymolcarbon paste electrodeantihistaminic drugDifferential pulse voltammetrychemical methodpore volume
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