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Method of measuring external stimulus and volume change using stimulus-responsive gel comprising EDANS
US8999725B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8999725-B2 |
| Application number | US-91913306-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 24, 2006 |
| Priority date | Apr 28, 2005 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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Abstract
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In one embodiment of the present application, a stimulus-responsive gel is disclosed with optical characteristic molecule introduced therein that is capable of easily and securely converting a volume change responding to external stimulus to optical data being easy to handle in the construction of sensor system; an external stimulus measuring apparatus making use of the same; and a method of measuring external stimulus therewith. A molecule having fluorescent chromophore or a molecule or a molecule capable of absorbing visible light or ultraviolet light is introduced in a stimulus-responsive gel so that the content of the molecule having fluorescent chromophore or the molecule or a molecule capable of absorbing visible light or ultraviolet light falls within such a range that the concentration of the molecule having fluorescent chromophore or a molecule or the molecule capable of absorbing visible light or ultraviolet light in the stimulus-responsive gel with optical characteristic molecule introduced therein is substantially proportional to the fluorescence intensity or absorbance of the visible light or ultraviolet light of the stimulus-responsive gel with optical characteristic molecule introduced therein.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of measuring an external stimulus and a volume change in a sensor element, the method comprising: (a) creating an analytical curve by plotting logarithms of the volume change against logarithms of fluorescence intensity or absorbance of the visible light or ultraviolet light, by (i) exposing a sensor element to external stimuli of different known ionic concentration, and a liquid, wherein the sensor element comprises a stimulus-responsive gel…
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Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
- G01N21/643Primary
Physics · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8999725B2 cover?
- In one embodiment of the present application, a stimulus-responsive gel is disclosed with optical characteristic molecule introduced therein that is capable of easily and securely converting a volume change responding to external stimulus to optical data being easy to handle in the construction of sensor system; an external stimulus measuring apparatus making use of the same; and a method of me…
- Who is the assignee on this patent?
- Miyata Takashi, Uragami Tadashi, Okawa Kaori, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification G01N21/643. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Apr 07 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).