Thermoelectric sensor for analytes in a gas
First Claim
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1. An apparatus for sensing at least one analyte in a gas, the apparatus comprising:
- a thermoelectric sensor, the sensor comprising a layer of at least one analyte interactant that increases or decreases in temperature and at least one thermopile, said at least one thermopile having a first contact pad and a second contact pad;
wherein the analyte contacts the interactant and produces or consumes heat, which is transmitted to the thermopile, produces a voltage difference and measures the analyte.
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Abstract
An apparatus for sensing at least one analyte in a gas. The apparatus includes a thermoelectric sensor having a layer of at least one analyte interactant that increases or decreases in temperature and at least one thermopile having a first contact pad and a second contact pad, wherein the analyte contacts the interactant and produces or consumes heat, which is transmitted to the thermopile, produces a voltage difference and measures the analyte.
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Citations
50 Claims
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1. An apparatus for sensing at least one analyte in a gas, the apparatus comprising:
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a thermoelectric sensor, the sensor comprising a layer of at least one analyte interactant that increases or decreases in temperature and at least one thermopile, said at least one thermopile having a first contact pad and a second contact pad;
wherein the analyte contacts the interactant and produces or consumes heat, which is transmitted to the thermopile, produces a voltage difference and measures the analyte. - 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)
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26. A method of detecting an analyte in a gas by thermoelectric sensor, the method comprising
a. providing a thermoelectric sensor, the sensor comprising i. a layer of at least one analyte interactant that when combined with the analyte, gives off or consumes heat; - and
ii. at least one thermopile to which the heat change is transferred, which then registers a voltage difference;
b. contacting the interactant of the thermoelectric sensor with the analyte; and
c. indicating the presence or quantity of the analyte. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. An apparatus for detecting analytes in fluids comprising:
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a) a conduit for channeling said analyte containing fluid past a two or more analyte reaction surfaces in series, said reaction surfaces being coated with an interactant that takes up said analyte and reacts with it to produce a physical reaction that can be sensed;
b) a plurality of sensors disposed to detect said physical reaction; and
c) at least one replenishment region disposed between said at least two analyte reaction surfaces, whereby analyte concentration in said fluid that was depleted by said take up replenished. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50)
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Specification