Conductive microplate
First Claim
1. A conductive microplate for detecting target biomolecules in a sample, the microplate with a plurality of wells, the microplate comprising:
- an assembly of a porous substrate and a conductive layer, wherein the assembly is sealed into bottom of at least some wells, wherein the porous substrate has a top surface and a bottom surface, the top surface comprises a plurality of covalently attached probe biomolecules, wherein the probe biomolecules are reactive with target biomolecules, wherein the probe biomolecules are attached at discrete locations on the top surface of the porous substrate, whereby an array is formed, the conductive layer is attached to the bottom surface of the porous substrate, and the conductive layer is adapted to receive voltage.
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Abstract
A conductive microplate device for the detection of target biomolecules in a sample is described. The microplate comprises an assembly of a porous substrate and a conductive layer, wherein the assembly is sealed into bottom of at least some wells of the microplate. The porous substrate has a top surface and a bottom surface. The top surface comprises a plurality of covalently attached probe biomolecules. The covalently attached probe biomolecules are reactive with the target biomolecules contained in the sample. The conductive layer, which is attached to the bottom surface of the porous substrate, is adapted to receive voltage. Microplates of the present invention can be easily adapted for use with robotic workstations. Accordingly, in one embodiment, the power supply is incorporated into a robotic arm tool for fast microplate processing.
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Citations
31 Claims
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1. A conductive microplate for detecting target biomolecules in a sample, the microplate with a plurality of wells, the microplate comprising:
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an assembly of a porous substrate and a conductive layer, wherein the assembly is sealed into bottom of at least some wells, wherein the porous substrate has a top surface and a bottom surface, the top surface comprises a plurality of covalently attached probe biomolecules, wherein the probe biomolecules are reactive with target biomolecules, wherein the probe biomolecules are attached at discrete locations on the top surface of the porous substrate, whereby an array is formed, the conductive layer is attached to the bottom surface of the porous substrate, and the conductive layer is adapted to receive voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 31)
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10. A conductive microplate with a plurality of wells for detecting target biomolecules in a sample, the microplate comprising:
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an assembly comprising a porous substrate, which has a top surface and a bottom surface, a conductive layer, which is adapted to receive voltage, and a permeation layer disposed between the bottom surface of the porous substrate and the conductive layers, wherein the assembly is sealed into bottom of at least some wells and the to surface of the porous substrate comprises a plurality of covalently attached probe biomolecules, wherein the probe biomolecules are reactive with target biomolecules. - View Dependent Claims (11, 12)
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24. A conductive microplate with a plurality of wells for detecting target biomolecules in a sample, the microplate comprising:
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an assembly of a porous substrate, a conductive layer forming a first electrode, a second electrode in an electrical contact with the first electrode, and a power supply for supplying voltage to the first and the second electrodes, wherein;
the assembly is sealed into bottom of at least some wells, the porous substrate has a top surface and a bottom surface, the top surface comprises a plurality of covalently attached probe biomolecules that are reactive with target biomolecules, the conductive layer is attached to the bottom surface of the porous substrate, the first electrode comprises a network of electrode patches sealed into the base of individual wells and the power supply comprises a matching network of electrical leads such that when the microplate is assembled the electrode patches mate with the matching electrical leads.
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28. A method of forming a conductive microplate having a plurality of wells, the method comprising:
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(a) providing a porous substrate with a top surface and a bottom surface;
(b) activating the top surface with reactive functional groups capable of covalent attachment of probe biomolecules;
(c) contacting the top surface with probe biomolecules at discrete locations on the porous substrate under conditions sufficient for covalent attachment of probe biomolecules to reactive functional groups, whereby a bioarray is formed;
(d) attaching a conductive layer to the bottom surface of the porous substrate; and
(e) sealing the porous substrate with the conductive layer into bottom of at least some wells of the microplate, wherein the conductive layer is adapted to receive voltage. - View Dependent Claims (29, 30)
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Specification