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  • Title: Scalable graphene field-effect sensors for specific protein detection.
    Author: Saltzgaber G, Wojcik P, Sharf T, Leyden MR, Wardini JL, Heist CA, Adenuga AA, Remcho VT, Minot ED.
    Journal: Nanotechnology; 2013 Sep 06; 24(35):355502. PubMed ID: 23917462.
    Abstract:
    We demonstrate that micron-scale graphene field-effect transistor biosensors can be fabricated in a scalable fashion from large-area chemical vapor deposition derived graphene. We electrically detect the real-time binding and unbinding of a protein biomarker, thrombin, to and from aptamer-coated graphene surfaces. Our sensors have low background noise and high transconductance, comparable to exfoliated graphene devices. The devices are reusable and have a shelf-life greater than one week.
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