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Gel for sensor and sensor

A sensor and gel technology, applied in the field of sensor gel and sensors, can solve the problems of large quality differences, changes in characteristics over time, and low quantitative reliability

Inactive Publication Date: 2016-11-30
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the enzymes used in such methods are generally expensive, are easily affected by temperature, humidity, etc., have problems such as difficulty in exhibiting stable properties, and low quantitative reliability.
In addition, enzymes have problems such as large variations in quality between production batches or manufacturers, and large changes in characteristics over time.

Method used

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  • Gel for sensor and sensor
  • Gel for sensor and sensor
  • Gel for sensor and sensor

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0036] First, the sensor and the sensor gel of the first embodiment will be described.

[0037] figure 1 It is a schematic longitudinal cross-sectional view for explaining the sensor of the first embodiment. In addition, in the following description, figure 1 The upper side in the middle is the observer side (viewpoint side), figure 1 The description will be focused on the case where the lower side is the side where the specimen is supplied.

[0038] Such as figure 1 As shown, the sensor (gel sensor) 100 includes a sensor gel 10, a first electrode (electrode) 30, and a second electrode (electrode) 40. In addition, the sensor gel 10 includes: a stimulus-responsive gel 1 that expands or contracts in response to a predetermined stimulus; and a plurality of materials that are contained in the stimulus-responsive gel 1 and are made of a conductive material First particles (conductive particles) 21; and a plurality of second particles (particles for structural color development) 22 that...

no. 2 approach

[0166] Next, the sensor of the second embodiment will be described.

[0167] figure 2 It is a schematic longitudinal cross-sectional view for explaining the sensor of the second embodiment. In the following description, differences from the above-described embodiment will be mainly described, and descriptions of the same matters will be omitted.

[0168] The sensor (gel sensor) 100 of this embodiment has the same structure as the above-mentioned embodiment except that the electrode 30 and 40 are installed at different locations. That is, in the above-described embodiment, the electrodes 30 and 40 are provided on the surface of the sensor gel 10 opposite to the surface on which the specimen is supplied. In contrast, the sensor (gel sensor) of this embodiment In) 100, the electrodes 30 and 40 are provided on the side surface of the gel 10 for sensors. In this way, the location of the electrode can be any location. In particular, as in the present embodiment, the electrodes 30 and...

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Abstract

A sensor includes a gel for a sensor and the sensor. The sensor is capable of easily and stably performing detection of the strength of a stimulus (the concentration or the like of a given component) in a wide range. The sensor is characterized in that the gel for a sensor includes a stimulus-responsive gel, first particles which are contained in the stimulus-responsive gel and are constituted by a material containing an electrically conductive substance, and second particles which are contained in the stimulus-responsive gel and contribute to structural coloration. It is preferred that when the electrical resistivity of the electrically conductive substance is represented by R1 ([Ohm]m) and the electrical resistivity of the constituent material of the second particles is represented by R2 ([Ohm]m), the following relationship is satisfied: 1*1012<=R2 / R1<=1*1023. It is preferred that when the refractive index of the constituent material of the first particles is represented by n1 and the refractive index of the constituent material of the second particles is represented by n2, the following relationship is satisfied:-0.8<=n2-n1<=1.5.

Description

Technical field [0001] The present invention relates to a gel for a sensor and a sensor. Background technique [0002] Currently, as a method of obtaining information about the living body in the body, a biochemical test is usually performed to investigate the composition in blood obtained by blood sampling. Most of the inspections are carried out in medical institutions. Among them, blood glucose level sensors are popular among diabetic patients, and simple lactic acid sensors are popular among athletes. [0003] However, these are all inspection methods using an invasive method based on blood sampling. [0004] In response to this, as an inspection method to which a non-invasive method is applied, sensor research targeting sweat components is being conducted (for example, refer to Non-Patent Document 1 and Non-Patent Document 2). [0005] However, the enzymes used in such methods are generally expensive, are easily affected by temperature, humidity, etc., are difficult to exhibit ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/29A61B5/145
CPCA61B5/14517G01N21/29G01N27/041G01N27/043A61B2562/02G01N33/5438G01N33/553G01N33/585G01N33/66A61B5/6802G01N27/04A61B5/053A61B2562/14
Inventor 吉冈佐登美八木浩
Owner SEIKO EPSON CORP