Self-addressable self-assembling microelectronic systems and devices for molecular biological analysis and diagnostics
First Claim
1. A self-addressable, microelectronic device adapted to receive a solution including solvent molecules, comprising:
- a substrate comprising at least one addressable microscopic location, each location comprisinga selectively addressable functioning DC mode microelectrode supported by the substrate, wherein 5% to 25% of the surface of said microelectrode is accessible to said solvent molecules;
a permeation layer disposed adjacent to the selectively addressable microelectrode;
a current source operatively connected to the selectively addressable microelectrode; and
an attachment layer adjacent to the permeation layer for the covalent coupling of specific binding entities, said attachment layer having 105-107 functionalized locations/μ
m2.
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Accused Products
Abstract
A self-addressable, self-assembling microelectronic device is designed and fabricated to actively carry out and control multi-step and multiplex molecular biological reactions in microscopic formats. These reactions include nucleic acid hybridization, antibody/antigen reaction, diagnostics, and biopolymer synthesis. The device can be fabricated using both microlithographic and micro-machining techniques. The device can electronically control the transport and attachment of specific binding entities to specific micro-locations. The specific binding entities include molecular biological molecules such as nucleic acids and polypeptides. The device can subsequently control the transport and reaction of analytes or reactants at the addressed specific micro-locations. The device is able to concentrate analytes and reactants, remove non-specifically bound molecules, provide stringency control for DNA hybridization reactions, and improve the detection of analytes. The device can be electronically replicated.
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Citations
10 Claims
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1. A self-addressable, microelectronic device adapted to receive a solution including solvent molecules, comprising:
a substrate comprising at least one addressable microscopic location, each location comprising a selectively addressable functioning DC mode microelectrode supported by the substrate, wherein 5% to 25% of the surface of said microelectrode is accessible to said solvent molecules; a permeation layer disposed adjacent to the selectively addressable microelectrode; a current source operatively connected to the selectively addressable microelectrode; and an attachment layer adjacent to the permeation layer for the covalent coupling of specific binding entities, said attachment layer having 105-107 functionalized locations/μ
m2.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
Specification