JP2016008823A - 採取部及びバイオセンサ - Google Patents
採取部及びバイオセンサ Download PDFInfo
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- JP2016008823A JP2016008823A JP2014127845A JP2014127845A JP2016008823A JP 2016008823 A JP2016008823 A JP 2016008823A JP 2014127845 A JP2014127845 A JP 2014127845A JP 2014127845 A JP2014127845 A JP 2014127845A JP 2016008823 A JP2016008823 A JP 2016008823A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
- G01N27/4145—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS specially adapted for biomolecules, e.g. gate electrode with immobilised receptors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
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- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
図1に示すバイオセンサ10は、採取部12と、電界効果トランジスタ(FET:Field Effect Transistor)14とを備える。バイオセンサ10は、採取部12において試料液中に含まれる検出対象物質としてのグルコースを識別し、識別された情報をFET14において電気的な信号に変換することにより、試料液中のグルコース量を検出する。ここで試料液とは、非侵襲的に採取した試料液、すなわち血液以外の生体液として、汗、涙、唾液を挙げることができる。これら試料液には、グルコースのほか、非検出対象物質としてのアルブミン等のタンパク質が含まれている。
上記のように構成されたバイオセンサ10において、まず、採取部12で試料液を採取する。例えば、採取部12の先端を直接下瞼の内側に接触させることにより、試料液としての涙液を採取する。本実施形態の場合、第1受容部16及び第2受容部18は、先端側に弾性部24が設けられていることにより、眼球やその周囲の皮膚を傷つけずに、涙液を採取することができる。
本発明は上記実施形態に限定されるものではなく、本発明の趣旨の範囲内で適宜変更することが可能である。
12 採取部
16 第1受容部
18 第2受容部
20 分離部
21 参照電極
22 識別物質
24 弾性部
25 塩橋部
Claims (7)
- 試料液を受容する、第1受容部及び第2受容部と、
前記第1受容部及び前記第2受容部の間に配置された分離部と
を有し、
前記第1受容部が、検出対象物質と結合する識別物質を含むと共に、前記試料液中の検出対象物質を非検出対象物質と分離し、
前記第2受容部が、基端側に設けられた塩橋部を介して、参照電極に接続される
ことを特徴とする採取部。 - 前記第1受容部及び前記第2受容部は、毛細管現象により前記試料液が先端から基端へ浸透することを特徴とする請求項1記載の採取部。
- 前記第1受容部及び前記第2受容部は、先端側に弾性部を有することを特徴とする請求項1又は2記載の採取部。
- 前記識別物質が、担体に担持されていることを特徴とする請求項1〜3のいずれか1項記載の採取部。
- 前記担体が、前記第1受容部の基端側に固定されていることを特徴とする請求項4記載の採取部。
- 前記識別物質が、フェニルボロン酸であることを特徴とする請求項1〜5のいずれか1項記載の採取部。
- 請求項1〜6のいずれか1項記載の採取部と、
前記第1受容部の基端側とゲート電極が接続された電界効果トランジスタと
を備えたことを特徴とするバイオセンサ。
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JP2014127845A JP5599012B1 (ja) | 2014-06-23 | 2014-06-23 | 採取部及びバイオセンサ |
PCT/JP2015/058903 WO2015198668A1 (ja) | 2014-06-23 | 2015-03-24 | 採取部及びバイオセンサ |
EP15812759.7A EP3159686B1 (en) | 2014-06-23 | 2015-03-24 | Sampling unit and biosensor |
CA2952919A CA2952919A1 (en) | 2014-06-23 | 2015-03-24 | Sampling unit and biosensor |
AU2015282264A AU2015282264A1 (en) | 2014-06-23 | 2015-03-24 | Sampling unit and biosensor |
RU2017101678A RU2670572C2 (ru) | 2014-06-23 | 2015-03-24 | Пробоотборник и биосенсор |
BR112016030440-3A BR112016030440A2 (ja) | 2014-06-23 | 2015-03-24 | An extraction part and a biosensor |
CN201580033551.0A CN106662549B (zh) | 2014-06-23 | 2015-03-24 | 采样单元和生物传感器 |
US15/320,024 US10197527B2 (en) | 2014-06-23 | 2015-03-24 | Sampling unit and biosensor |
TW104109687A TW201602572A (zh) | 2014-06-23 | 2015-03-26 | 採取部及生物感測器 |
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WO2020236945A1 (en) * | 2019-05-21 | 2020-11-26 | Illumina, Inc. | Sensors having an active surface |
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JP5599012B1 (ja) * | 2014-06-23 | 2014-10-01 | 国立大学法人 東京大学 | 採取部及びバイオセンサ |
WO2016084873A1 (ja) | 2014-11-27 | 2016-06-02 | 富士フイルム株式会社 | 表面修飾無機物、表面修飾無機物の製造方法、および無機物表面を有機物で修飾する方法、ならびに放熱材料、熱伝導材料、および潤滑剤 |
EP3435075A4 (en) * | 2016-03-25 | 2019-10-30 | Provigate Inc. | HIGH SENSITIVITY BIOSENSOR AND PRODUCTION METHOD THEREOF |
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WO2020236945A1 (en) * | 2019-05-21 | 2020-11-26 | Illumina, Inc. | Sensors having an active surface |
US11387269B2 (en) | 2019-05-21 | 2022-07-12 | Illumina, Inc. | Sensors having an active surface |
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EP3159686A4 (en) | 2017-12-27 |
CN106662549B (zh) | 2019-10-22 |
US20170122899A1 (en) | 2017-05-04 |
WO2015198668A1 (ja) | 2015-12-30 |
CA2952919A1 (en) | 2015-12-30 |
AU2015282264A1 (en) | 2017-01-12 |
RU2017101678A3 (ja) | 2018-09-20 |
RU2017101678A (ru) | 2018-07-19 |
EP3159686B1 (en) | 2023-04-26 |
EP3159686A1 (en) | 2017-04-26 |
CN106662549A (zh) | 2017-05-10 |
JP5599012B1 (ja) | 2014-10-01 |
TW201602572A (zh) | 2016-01-16 |
RU2670572C2 (ru) | 2018-10-23 |
US10197527B2 (en) | 2019-02-05 |
BR112016030440A2 (ja) | 2018-07-17 |
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