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We investigated the sensing abilities of pristine graphene based nanosensors in response to the attachment of Escherichia coli (E. coli) to the graphene surfaces. Using pristine graphenes, instead of functionalized graphenes, helps us understand better the influence of E. coli cells on the transport properties of graphenes. The biosensors based on pristine few-layer graphenes showed a discriminable...
This paper presents the design, fabrication, and characterization of a novel high-performance molecule sensor using the inter-sheet tunneling effect of a bilayer graphene. Nanosensors for ethanol molecules have been fabricated based on mechanical exfoliation and e-beam lithography for demonstrating the feasibility. Experiments reveled that by making electric contacts to different sheets of a bilayer...
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