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US 2004/0163953 A1Published application
Biosensor
AssigneeRoche Diagnostics Operations, Inc.
InventorsRaghbir S. Bhullar, Christopher D. Wilsey, Brian S. Hill
Life of this patent
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Abstract
A biosensor is provided that comprises a plate element with a pre-determined reaction zone and a recess positioned adjacent to the reaction zone. The biosensor also comprises a reagent that is positioned on the reaction zone. In preferred embodiments, the recess circumscribes at least a portion of the reaction zone.
Claims26
A biosensor comprising:
- a plate element formed to include a pre-determined reaction zone and a recess positioned adjacent to the reaction zone;
- and
- a reagent being positioned on at least a portion of the reaction zone.
A biosensor comprising:
- a bottom plate element including a first surface formed to include a recess therein;
- a reagent positioned on the first surface adjacent to the recess;
- and
- a top plate element coupled to the bottom plate element.
1 more element
An electrode set, comprising:
- a plate element formed to include a recess therein,
- electrodes positioned on the plate element and cooperating to define an electrode array, and
- a reagent positioned on at least a portion of the electrodes, wherein the recess circumscribes at least a portion of the electrode array.
A method of forming a biosensor, the method comprises the steps of:
- providing a plate element;
- forming at least one recess in the plate element;
- and
- applying a reagent onto the plate element to define a reaction zone, wherein the at least one recess circumscribes at least a portion of the reaction zone.
1 more element
Dependencies are inferred from the claim text.