Specificity of analyte detection in etalons
First Claim
1. A system for detecting concentration of an analyte in a fluid, the system comprising:
- a first container including (i) an optical cavity detection region having a first side and a second side opposite the first side, the first side and the second side at least partially bounded by light reflective components, and further configured to permit passage of light therethrough, (ii) a reservoir for one or more modifiers of one or more optical properties of said optical cavity detection region, the reservoir configured to define boundaries of the optical cavity detection region, and the reservoir extending substantially from the first side to the second side of the optical cavity detection region and (iii) a set of one or more bounding regions through which objects in the fluid can transfer into the container;
the optical cavity detection region and the reservoir defining separate areas of the first container;
the movement of said one or more modifiers between said reservoir and said optical cavity detection region being responsive to changes in concentration of said analyte;
a second container including an optical cavity detection region having a first side and a second side opposite the first side, the first side and the second side at least partially bounded by light reflective components, and further configured to permit passage of light therethrough, and a set of one or more bounding regions through which objects in the fluid can transfer into the container;
an illumination source located a distance external from the first container and the second container and configured to generate the light passing through the optical cavity detection region; and
a detector component located a distance external from the first container and the second container on a side opposite the illumination source and configured to detect the light exiting from the optical cavity detection region.
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Abstract
A system and method is provided for detecting concentration of an analyte in a fluid. A first container includes (i) an optical cavity detection region, (ii) a reservoir for one or more modifiers of one or more optical properties of the optical cavity detection region, and (iii) a set of one or more bounding regions through which objects in the fluid can transfer into the container. The optical cavity detection region and the reservoir define separate areas of the first container. The movement of the one or more modifiers between the reservoir and the optical cavity detection region is responsive to changes in concentration of the analyte. A second container includes an optical cavity detection region, and a set of one or more bounding regions through which objects in the fluid can transfer into the container. Also provided are optical components for guiding light into the optical cavity detection regions of the first and second containers.
45 Citations
87 Claims
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1. A system for detecting concentration of an analyte in a fluid, the system comprising:
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a first container including (i) an optical cavity detection region having a first side and a second side opposite the first side, the first side and the second side at least partially bounded by light reflective components, and further configured to permit passage of light therethrough, (ii) a reservoir for one or more modifiers of one or more optical properties of said optical cavity detection region, the reservoir configured to define boundaries of the optical cavity detection region, and the reservoir extending substantially from the first side to the second side of the optical cavity detection region and (iii) a set of one or more bounding regions through which objects in the fluid can transfer into the container;
the optical cavity detection region and the reservoir defining separate areas of the first container;
the movement of said one or more modifiers between said reservoir and said optical cavity detection region being responsive to changes in concentration of said analyte;a second container including an optical cavity detection region having a first side and a second side opposite the first side, the first side and the second side at least partially bounded by light reflective components, and further configured to permit passage of light therethrough, and a set of one or more bounding regions through which objects in the fluid can transfer into the container; an illumination source located a distance external from the first container and the second container and configured to generate the light passing through the optical cavity detection region; and a detector component located a distance external from the first container and the second container on a side opposite the illumination source and configured to detect the light exiting from the optical cavity detection region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78)
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79. A system for detecting concentration of an analyte in a fluid, the system comprising:
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a first container configured as an optical cavity at least partially bounded by light reflective components, the first container including (i) an optical cavity detection region, (ii) a reservoir for one or more modifiers of one or more optical properties of said optical cavity detection region, and (iii) a set of one or more bounding regions through which objects in the fluid can transfer into the container;
the optical cavity detection region and the reservoir defining separate areas of the first container;
the movement of said one or more modifiers between said reservoir and said optical cavity detection region being responsive to changes in concentration of said analyte;a second container configured as an optical cavity at least partially bounded by light reflective components, the second container including an optical cavity detection region and a set of one or more bounding regions through which objects in the fluid can transfer into the container; at least a third container including an optical cavity detection region, said third container being a reference container with the optical cavity detection region preloaded with a known reference fluid and sealed so fluid external to said third container cannot enter the interior of said third container; an illumination source located a distance external from the first container, the second container, and the at least third container; and a detector component located a distance external from the first container, the second container and the at least third container. - View Dependent Claims (80, 81, 82, 83, 84, 85, 86)
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87. A system for detecting concentration of an analyte in a fluid, the system comprising:
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a first container configured as an optical cavity at least partially bounded by light reflective components, the first container including (i) an optical cavity detection region, (ii) a reservoir for one or more modifiers of one or more optical properties of said optical cavity detection region, and (iii) a set of one or more bounding regions through which objects in the fluid can transfer into the container;
the optical cavity detection region and the reservoir defining separate areas of the first container;
the movement of said one or more modifiers between said reservoir and said optical cavity detection region being responsive to changes in concentration of said analyte;a second container configured as an optical cavity at least partially bounded by light reflective components, the second container including an optical cavity detection region and a set of one or more bounding regions through which objects in the fluid can transfer into the container; one or more additional containers each configured as an optical cavity at least partially bounded by light reflective components and each one or more additional containers including (i) an optical cavity detection region, (ii) a reservoir for one or more modifiers of one or more optical properties of said optical cavity detection region, and (iii) a set of one or more bounding regions through which objects in the fluid can transfer into the container;
the optical cavity detection region and the reservoir of each such container defining separate areas of the container;
the movement of one or more modifiers between said reservoir and said optical cavity detection region of each additional container being responsive to changes in concentration of one or more compounds in the fluid;an illumination source located a distance external from the first container, the second container and the one or more additional containers; optical components for guiding light into said optical cavity detection regions; and a detector component located a distance external from the first container, the second container and the one or more additional containers, wherein a measurement from the first container alone provides a less precise analyte concentration than a measurement from the second container alone, and the first container provides an accuracy to deduce a more accurate measurement from the second container.
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Specification