Evaluation of a Nanocomposite Based on Reduced Graphene Oxide and Gold Nanoparticles as an Electrochemical Platform for Detection of Sulfamethazine

Evaluation of a Nanocomposite Based on Reduced Graphene Oxide and Gold Nanoparticles as an Electrochemical Platform for Detection of Sulfamethazine

A nanocomposite based on reduced graphene oxide (rGO) and gold nanoparticles (AuNPs) was synthesized by the microwave-assisted hydrothermal method and applied in the determination of sulfamethazine (SMZ) in swine effluent using a glassy carbon (GC) electrode. The rGO-AuNPs nanocomposite was characte...

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Bibliographic Details
Main Authors: Martin Silva, Ivana Cesarino
Format: Article
Language:English
Published: MDPI AG 2019-06-01
Series:Journal of Composites Science
Subjects:
graphene
gold nanoparticles
sulfamethazine
nanocomposite
Online Access:https://www.mdpi.com/2504-477X/3/2/59
Description
Summary:A nanocomposite based on reduced graphene oxide (rGO) and gold nanoparticles (AuNPs) was synthesized by the microwave-assisted hydrothermal method and applied in the determination of sulfamethazine (SMZ) in swine effluent using a glassy carbon (GC) electrode. The rGO-AuNPs nanocomposite was characterized morphologically, electrochemically and spectrochemically, showing that rGO was modified with the AuNPs. The GC/rGO-AuNPs electrode was optimized for the determination of SMZ, achieving detection limits of 0.1 &#956;mol L<sup>&#8722;1</sup>. The proposed sensor was successfully applied to the determination of SMZ in synthetic swine effluent samples.
ISSN:2504-477X

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