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  • Title: (Fe3O4)-graphene oxide-SO3H as a new magnetic nanocatalyst for electro-oxidation and determination of selected parabens.
    Author: Hasanzadeh M, Shadjou N.
    Journal: J Nanosci Nanotechnol; 2013 Jul; 13(7):4909-16. PubMed ID: 23901510.
    Abstract:
    For the first time magnetic graphene oxide functionalized by chlorosulfonic acid Fe3O4-GO-SO3H was used for electrode modification and electrocatalytic oxidation of three selected parabens. Scanning electron microscopy (SEM) and X-ray diffraction techniques are utilized in order to study the surface morphology of the modified electrode. The modified electrode was applied for parabens detection using cyclic voltammetry (CV), chronoamperometry, and amperometry methods. The modified electrode shows many advantages as a parabens sensor such as simple preparation method without using any specific electron transfer mediator or specific reagent, excellent catalytic activity, short response time, long-term stability and remarkable antifouling property toward parabens.
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