Importance

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Abstract

A sensor strip with capillary flow control has a base layer having a plurality of conductive paths delineated thereon, an electrode forming layer disposed on the base layer, the electrode forming layer having a first opening forming a working electrode, a second opening forming a reference electrode, and a flow-control mechanism, a spacer layer disposed on the electrode forming layer, and a cover layer with a vent opening disposed on the spacer layer and forming a substantially flat sample channel with walls formed by the electrode forming layer, the spacer layer and the cover layer, the substantially flat sample chamber having a sample inlet adjacent a proximal end and the vent opening adjacent a distal end where the substantially flat sample chamber contains the working electrode, the reference electrode and the flow-control mechanism.

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First Claim