SOLID STATE SEQUENCING DEVICES COMPRISING TWO DIMENSIONAL LAYER MATERIALS
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United States of America
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Issued Date -
Feb 6, 2025
app pub date -
Apr 13, 2023
filing date -
Apr 13, 2023
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Abstract
A sequencing device is disclosed. The sequence device includes an array of conducting electrode pairs, each pair of electrodes comprising a source and a drain electrode arrangement separated by a nanogap, the electrode array deposited and patterned on a dielectric substrate; at least one transition metal dichalcogenide (TMD) layer disposed on each pair of electrodes, wherein the TMD layer connects each source and drain electrode within each pair, and bridges each nanogap of each pair of electrodes; and a dielectric masking layer disposed on the TMD layer and comprising at least one opening that defines an exposed TMD region, wherein the at least one opening is sized so as to allow a single biomolecule to fit therein and to attach on to the exposed TMD region. In embodiments of the disclosure, the TMD layer be a defective TMD layer.
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