Gold nanoparticle-based fluorescent sensor for the analysis of dithiocarbamate pesticides in water

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Pesticides play a key role in the high yields achieved in modern agricultural food production. Besides their positive effect on increasing productivity they are intentionally toxic, often towards non-target organisms and contaminated food products can have a serious impact on human and environmental health. This paper demonstrates the potential of a gold nanoparticle-based microfluidic sensor for in field detection of dithiocarbamate pesticides at remote locations. Combining the attractive optical properties of gold nanoparticles with on chip mixing and detection, using a simple digital camera, a detection limit of 16 μg L-1 for Ziram, a dithiocarbamate pesticide, was obtained.

Original languageEnglish
Title of host publicationProceedings of the 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2012
Number of pages3
PublisherChemical and Biological Microsystems Society
Publication date1 Jan 2012
ISBN (Print)9780979806452
Publication statusPublished - 1 Jan 2012

    Research areas

  • Dithiocarbamate detection, Environmental monitoring, Fluorescence, Gold nanoparticle

ID: 117304709