Carbon nanotube-based sensing devices for human Arginase-1 detection

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Abstract

A new carbon nanotube-based device for detection of Arginase 1 (ARG-1) was produced. Multi-walled carbon nanotubes (MWCNTs) were deposited between electrodes by dielectrophoresis (DEP) in an accurate and reproducible way. This deposition method has the advantages of low cost and room temperature conditions and therefore, can be used on different kinds of substrates (silicon, glass, plastics) allowing for large scale production of chemical or biological sensors. Scanning electrical microscope (SEM) and electrical characterization have been performed on the biosensors before and after protein exposure. The devices were tested in the present work for the detection of ARG-1. They show high sensitivity and reproducibility, and can be easily and suitably modified to detect other proteins.

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Baldo, S., Buccheri, S., Ballo, A., Camarda, M., La Magna, A., Castagna, M. E., … Scalese, S. (2016). Carbon nanotube-based sensing devices for human Arginase-1 detection. Sensing and Bio-Sensing Research, 7, 168–173. https://doi.org/10.1016/j.sbsr.2015.11.011

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