What is it about?
Disposable field effect transistors (FET) biosensors (bio-FET) based on carbon nanotubes were fabricated for detection of domoic acid (DA), which belongs to the group of biotoxins associated with the amnesic shellfish poisoning. The analytical results obtained with the bio-FET were compared with those obtained with a traditional methodology (enzyme-linked immunosorbent assay) in order to validate the bio-FET for DA detection.
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Why is it important?
The obtained reproducibility (0.52–1.43%), repeatability (0.57–1.27%), limit of detection (10 ng L−1) and recovery range (92.3–100.3%) reveal an adequate analytical performance of the bio-FET for the detection of DA in environmental samples such as seawater samples.
Perspectives
More than anything else, I hope you find this article of practical application and feel like trying to use this analytical technique.
Professor Armando da Costa Duarte
Universidade de Aveiro
Read the Original
This page is a summary of: Carbon nanotube field effect transistor biosensor for the detection of toxins in seawater, International Journal of Environmental & Analytical Chemistry, May 2017, Taylor & Francis,
DOI: 10.1080/03067319.2017.1334056.
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