Application on Gold Nanoparticles-Dotted 4-Nitrophenylazo Graphene in a Label-Free Impedimetric Deoxynivalenol Immunosensor

@inproceedings{Sunday2015ApplicationOG,
  title={Application on Gold Nanoparticles-Dotted 4-Nitrophenylazo Graphene in a Label-Free Impedimetric Deoxynivalenol Immunosensor},
  author={Christopher Edozie Sunday and Milua Masikini and Lindsay Wilson and Candice Rassie and Tesfaye Waryo and Priscilla G. L. Baker and Emmanuel I. Iwuoha},
  booktitle={Sensors},
  year={2015}
}
In this paper, we report a new concept to construct a label-free electrochemical inhibition-based immunosensor for the detection of the mycotoxin deoxynivalenol (DON) in cereal samples. The electrochemical impedance spectroscopy of tris(bipyridine) ruthenium (II) chloride was used as a marker enhanced with gold nanoparticles-dotted 4-nitrophenylazo functionalized graphene (AuNp/G/PhNO2) nanocatalyst mediated in Nafion on a glassy carbon electrode. Under the optimized conditions, the formation… CONTINUE READING

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