Analyte Sensors and Methods of Use
First Claim
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1. An analyte sensor for determining the concentration of an analyte in a sample, the sensor comprising a sample chamber having an inlet with a width and a projection extending from an edge of the sensor proximate the inlet, the projection having a width that is less than the inlet width.
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Abstract
Analyte sensors for determining the concentration of an analyte in a sample. The sensors have a sample chamber having an inlet with a projection extending from an edge of the sensor for facilitating flow of sample into the sample chamber.
198 Citations
24 Claims
- 1. An analyte sensor for determining the concentration of an analyte in a sample, the sensor comprising a sample chamber having an inlet with a width and a projection extending from an edge of the sensor proximate the inlet, the projection having a width that is less than the inlet width.
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10. An analyte sensor for determining the concentration of an analyte in a sample, the sensor comprising:
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a first substrate, a second substrate, and a spacer layer therebetween; a sample chamber defined between the first substrate and the second substrate bounded by the spacer layer, the sample chamber having at least one inlet; a protrusion extending from the first substrate at the inlet. - View Dependent Claims (11, 12, 13)
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14. An analyte sensor for determining the concentration of an analyte in a sample, the sensor comprising:
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a first substrate and a second substrate; a first side edge, a second side edge and an end edge; a sample chamber defined between the first substrate and the second substrate, the sample chamber extending from the first side edge to the second side edge; a first aperture and a second aperture between the first substrate and the second substrate at the first side edge and the second side edge, respectively; and at least one protrusion extending from either the first side edge or the second side edge, proximate the apertures. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A method of analyzing an analyte concentration in a sample comprising:
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contacting a sample with a sensor; transferring the sample into a sample chamber through an inlet bounded by at least one protrusion that has a width less than a width of the inlet; and determining the concentration of analyte in the sample. - View Dependent Claims (22)
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23. A method of analyzing an analyte concentration in a sample comprising:
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contacting a sample with a sensor having a first substrate, a second substrate and a spacer layer therebetween and at least one protrusion extending from one of the substrates; transferring the sample into a sample chamber through an inlet bounded by the substrates and the at least one protrusion; and determining the concentration of analyte in the sample. - View Dependent Claims (24)
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Specification