Carbon Nanotube Biosensors with Aptamers as Molecular Recognition Elements
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In this chapter, we discuss in detail the fabrication of carbon nanotube biosensors that use a single-walled carbon nanotube field-effect transistor (SWNT-FET) as a transducer, and aptamers as molecular recognition elements. We use a patterned growth technique to grow SWNTs on Si/SiO2 substrates, and standard microfabrication procedures are then employed to fabricate sensing devices.
