BIOSENSOR
First Claim
1. A biosensor comprising a support, an arrangement of electrodes disposed on the support, a covering layer defining an enclosed space over the electrodes, an aperture in the covering layer for receiving a biological sample, and at least one mesh layer in the enclosed space between the covering layer and the electrodes, the at least one mesh layer coated with at least one silicone surfactant.
2 Assignments
0 Petitions
Accused Products
Abstract
A biosensor for determining the concentration of an analyte in a biological sample. The biosensor comprises a support, a reference electrode or a counter electrode or both disposed on the support, a working electrode disposed on the support, the working electrode spaced apart from the other electrode or electrodes on the support, a covering layer defining a sample chamber over the electrodes, an aperture in the covering layer for receiving a sample, and at least one layer of mesh in the sample chamber between the covering layer and the electrodes. The at least one layer of mesh has coated thereon a silicone surfactant. Certain silicone surfactants are as effective as fluorinated surfactants with respect to performance of biosensors. These surfactants, when coated onto the mesh layer of the biosensor, are effective in facilitating the transport of aqueous test samples, such as blood, in the sample chamber.
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Citations
27 Claims
- 1. A biosensor comprising a support, an arrangement of electrodes disposed on the support, a covering layer defining an enclosed space over the electrodes, an aperture in the covering layer for receiving a biological sample, and at least one mesh layer in the enclosed space between the covering layer and the electrodes, the at least one mesh layer coated with at least one silicone surfactant.
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5-6. -6. (canceled)
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11-15. -15. (canceled)
- 23. A biosensor comprising a support, an arrangement of electrodes disposed on the support, a covering layer defining a sample chamber over the electrodes, and at least one mesh layer in the sample chamber between the covering layer and the electrodes, the at least one mesh layer coated with at least one silicone surfactant, and wherein the sample chamber has a volume of less than 5 microliters.
- 25. A biosensor comprising a support, an arrangement of electrodes disposed on the support, a covering layer defining a sample chamber over the electrodes, an aperture in the covering layer for receiving a biological sample, and at least one mesh layer in the sample chamber between the covering layer and the electrodes, the at least one mesh layer coated with at least one silicone surfactant, and wherein the sample chamber fills with the biological sample in less than 5 seconds.
Specification