Microwell microelectrode filtration sensor
AssigneeBioMEMS Diagnostics Inc.
InventorMichael J. Pugia
Life of this patent
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Abstract
A microwell microelectrode filtration sensor created by using an inert planar surface, which can be a metal pattern dry etched, to generate a filtration membrane with pores, generating a reactive metal surface layer as a working electrode. The electrode is within an area covering a filtration membrane, and makes one or more microwells added by a first layer of inert plastic of an effective working distance height and a second layer of a non-reactive metal of an effective microwell surface area to serve counter and/or reference an electrode. This is followed by at least one layer of inert plastic or metal.
Claims8
A microwell microelectrode filtration sensor, comprising:
- a microwell, the microwell comprising:
- a reactive metal layer with a diameter greater than 100 μm comprising one or more pores with a diameter greater than 10 μm, and wherein the reactive metal layer has a portion of a top planar surface and a portion of a bottom planar surface exposed inside the one or more pores;
- at least one inert layer;
- at least one non-reactive metal layer, wherein the at least one inert layer is placed between the reactive metal layer and the at least one non-reactive metal layer;
- and
- an affinity capture agent disposed on said portions of the top and bottom planar surfaces of the reactive metal layer.
Dependencies are inferred from the claim text.