▎ 摘　　要

NOVELTY - The nanodevice i.e. graphene nanopore transistor device (100), has a reservoir separated into two parts by a free-standing membrane (155). A nanopore (110) is formed through the membrane and connects the parts of the reservoir. The nanopore and the parts of the reservoir are filled with ionic buffer. The membrane comprises a graphene layer (104) and insulating layers (102, 106), where the graphene layer is wired to metal pads (105a, 105b) to form a graphene transistor in which transistor current flowing through the graphene transistor is modulated by charges passing through the nanopore. USE - Nanodevice i.e. graphene nanopore transistor device, for identifying and differentiating biomolecules in DNA and RNA sequencing applications. Can also be used for analyzing protein. ADVANTAGE - The nanodevice identifies and differentiates molecules driven through a nanopore one by one, where each individual molecule can modulate the current through the graphene transistor, thus allowing molecular detection with single molecule accuracy. DETAILED DESCRIPTION - The ionic buffer is an electrical conducting fluid of ions. DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of a graphene nanopore transistor device. Graphene nanopore transistor device (100) Insulating layers (102, 106) Graphene layer (104) Metal pads (105a, 105b) Nanopore (110) Free-standing membrane (155)