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Bug detectors: Multiple arrays of aptamer-functionalized single-walled carbon-nanotube field-effect transistors (SWNT-FETs) can be combined with the most probable number method as a simple, fast screening platform for the detection of microorganisms. The picture indicates the binding events of Escherichia coli on such SWNT-FET arrays, which showed a conductance decrease of more than 50% after binding.
So et al. (Wed,) studied this question.