Compositions and methods for measurement of analytes
US-2016274030-A1 · Sep 22, 2016 · US
Method for detection of an analyte/explosive on a sample surface
US10809242B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10809242-B2 |
| Application number | US-201515311889-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 19, 2015 |
| Priority date | May 19, 2014 |
| Publication date | Oct 20, 2020 |
| Grant date | Oct 20, 2020 |
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Abstract
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Compositions comprising electrospun fibers and colorimetric detection encapsulated thereto are provided. Further, methods of use of said composition, including, but not limited to in-situ detection of molecules of interest, such as explosive compounds, are provided.
First claim
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The invention claimed is: 1. A method for the detection of an analyte on a sample, the method comprising: contacting the sample with a swab comprising at least one type of electrospun nanofiber and at least one colorimetric reactant, the electrospun nanofiber comprises a brittle shell and a core, said core comprises the at least one colorimetric reactant, and said brittle shell has a glass transition between 70° C. to 150° C., and is breakable under normal stress of 0.08-1 kg/cm2 at a temperature range of −55 ° C. to 60° C., wherein: said contracting is by applying normal stress between said swab and said sample, said stress is sufficient for breaking the electrospun shell; a colorimetric change within the swab indicates that the sample has at least trace amounts of the analyte, thereby detecting said analyte on said surface; and said analyte is in a solid state, in a liquid state or both. 2. The method of claim 1 , wherein said analyte is a hazardous substance. 3. The method of claim 2 , wherein said hazardous substance is an explosive substance.
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Classifications
Fuels; Explosives · CPC title
Electro-spinning (non-woven fabrics produced by electro-spinning D04H1/728) · CPC title
producing a change of colour · CPC title
- G01N33/227Primary
Explosives, e.g. combustive properties thereof · CPC title
Other agents for modifying properties · CPC title
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Frequently asked questions
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- What does patent US10809242B2 cover?
- Compositions comprising electrospun fibers and colorimetric detection encapsulated thereto are provided. Further, methods of use of said composition, including, but not limited to in-situ detection of molecules of interest, such as explosive compounds, are provided.
- Who is the assignee on this patent?
- Technion Res & Dev Foundation, Technion Res & Dev Foundation
- What technology area does this patent fall under?
- Primary CPC classification G01N33/227. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Oct 20 2020 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 7 related publications on this page (citations in our corpus or others sharing the same primary CPC).