CPC G01N 27/4145 (2013.01) [G01N 27/4146 (2013.01); G01N 27/4148 (2013.01)] | 18 Claims |
1. A label-free bacteria detection system, comprising:
a graphene field effect transistor (G-FET)/peptide device capable of biosensing using dielectrophoresis and comprising a peptide probe formed of a chemically modified peptide conjugated to a flat aromatic linker and capable of recognizing and binding to a bacterial target integrated on the G-FET, wherein the G-FET comprises a defect-free graphene monolayer fabricated into a field effect transistor having electrical contacts insulated from a defined sensing area.
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