▎ 摘　　要

NOVELTY - Ion device using graphene nanopore structure comprises chamber comprising first region and second region, first electrode located in the first region, second electrode located in the second region, and graphene layer that penetrates nanopore in the nanopore membrane and located between the first and second electrodes, where an electric signal is generated by applying electric current to first and second electrodes and passing through nanopore. USE - The ion device is useful in apparatus for analyzing DNA (claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for device for analyzing DNA.