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US-12013404-B2 · Jun 18, 2024 · US
Temperature-independent chemical and biological sensors
US8990025B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8990025-B2 |
| Application number | US-201314031965-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 19, 2013 |
| Priority date | Dec 23, 2010 |
| Publication date | Mar 24, 2015 |
| Grant date | Mar 24, 2015 |
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Abstract
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Methods and sensors for selective fluid sensing are provided. A sensor includes a resonant inductor-capacitor-resistor (LCR) circuit and a sensing material disposed over a sensing region. The sensing region comprises at least a portion of the LCR circuit. Temperature-dependent response coefficients of inductance L, capacitance C, and resistance R properties of the LCR circuit and the sensing material are at least approximately 5 percent different from one another. The difference in the temperature-dependent response coefficients of the properties of the LCR circuit and the sensing material enables the sensor to selectively detect analyte fluids from an analyzed fluid mixture substantially independent of temperature.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of detecting chemical or biological species in a fluid, comprising: measuring, with a network analyzer, a real part and an imaginary part of an impedance spectrum of a single resonant sensor antenna coated with a sensing material, wherein temperature-dependent response coefficients of a property of the single resonant sensor antenna and the sensing material are different from one another; calculating, with a network analyzer, at least six sp…
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- G01N27/02Primary
Physics · mapped topic
- G01N27/025Primary
Physics · mapped topic
Physics · mapped topic
Cross-Sectional Technologies · mapped topic
Physics · mapped topic
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- What does patent US8990025B2 cover?
- Methods and sensors for selective fluid sensing are provided. A sensor includes a resonant inductor-capacitor-resistor (LCR) circuit and a sensing material disposed over a sensing region. The sensing region comprises at least a portion of the LCR circuit. Temperature-dependent response coefficients of inductance L, capacitance C, and resistance R properties of the LCR circuit and the sensing ma…
- Who is the assignee on this patent?
- Gen Electric
- What technology area does this patent fall under?
- Primary CPC classification G01N27/02. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Mar 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).