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Revista Ingenierías Universidad de Medellín
Print version ISSN 1692-3324On-line version ISSN 2248-4094
Abstract
PAEZ-GONZALEZ, Carlos José; QUINTERO-OROZCO, Jorge H and GARCIA-CASTRO, Andrés Camilo. Current-Voltage Characteristics of a Self-Assembled DNA. Rev. ing. univ. Medellín [online]. 2020, vol.19, n.37, pp.217-225. Epub Sep 06, 2021. ISSN 1692-3324. https://doi.org/10.22395/rium.v19n37a11.
This paper shows a research on the transport properties of two-dimensional square lattice patterns built from a telomeric DNA sequence. A tight-binding model, and the recursive Green's function method were used. It is showed that the self-assembled DNA structures based on telomeric DNA strands have current-voltage (I-V) characteristics, with robust plateau structures that favor the scrutiny of DNA-lead, as well as interference effects. An increase of the current, dependent on the distance between the crosses in the self-assembled square lattice structures, is observed, which makes the system eligible for nanoelectronic applications.
Keywords : DNA; telomeric sequence; electronic transport; mesoscopic systems; tight-binding; Green's function.