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Sensors 2015, 15(5), 10255-10270; doi:10.3390/s150510255

A New Surface Plasmon Resonance Immunosensor for Triazine Pesticide Determination in Bovine Milk: A Comparison with Conventional Amperometric and Screen-Printed Immunodevices

1
Department of Chemistry, Sapienza University of Rome, P. Le Aldo Moro 5, 00185 Rome, Italy
2
Department of Chemistry and Drug Technologies, Sapienza University of Rome, P. Le Aldo Moro 5, 00185 Rome, Italy
*
Authors to whom correspondence should be addressed.
Academic Editor: Alexander Star
Received: 17 February 2015 / Revised: 3 April 2015 / Accepted: 27 April 2015 / Published: 30 April 2015
(This article belongs to the Special Issue Immunosensors 2014)
View Full-Text   |   Download PDF [1268 KB, uploaded 30 April 2015]   |  

Abstract

A detailed comparison was made of the analytical features of a new Surface Plasmon Resonance (SPR) immunodevice for triazine pesticide determination with those of two other amperometric (conventional and screen-printed) immunosensors and the advantages and disadvantages of the SPR method were thoroughly investigated. For conventional amperometric and screen-printed devices, “competitive” assays were used; conversely, the SPR transduction technique allowed a “direct” measurement format to be used. As far as the main analytical data are concerned, the SPR method does not seem to offer substantial advantages. Nevertheless the measurement time is much shorter and the measurement itself much easier to perform. Lastly several applications and recovery tests were carried out on bovine milk samples, before and after spiking, to check for triazine pesticides in the samples, obtaining satisfactory results. View Full-Text
Keywords: SPR; immunoassay; triazine pesticide analysis; bovine milk SPR; immunoassay; triazine pesticide analysis; bovine milk
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Tomassetti, M.; Martini, E.; Campanella, L.; Favero, G.; Sanzó, G.; Mazzei, F. A New Surface Plasmon Resonance Immunosensor for Triazine Pesticide Determination in Bovine Milk: A Comparison with Conventional Amperometric and Screen-Printed Immunodevices. Sensors 2015, 15, 10255-10270.

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