JP7743103B2 - 揮発性脂肪酸の検知方法および測定装置 - Google Patents

揮発性脂肪酸の検知方法および測定装置

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Publication number
JP7743103B2
JP7743103B2 JP2023549520A JP2023549520A JP7743103B2 JP 7743103 B2 JP7743103 B2 JP 7743103B2 JP 2023549520 A JP2023549520 A JP 2023549520A JP 2023549520 A JP2023549520 A JP 2023549520A JP 7743103 B2 JP7743103 B2 JP 7743103B2
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Japan
Prior art keywords
electrodes
humidity
volatile fatty
fatty acids
thin wire
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Japanese (ja)
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JPWO2023048076A1 (https=
JPWO2023048076A5 (https=
Inventor
仁 川喜多
泉 一ノ瀬
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National Institute for Materials Science
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National Institute for Materials Science
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Classifications

    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • G01N27/07—Construction of measuring vessels; Electrodes therefor
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/045—Circuits
    • G01N27/046—Circuits provided with temperature compensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0047—Organic compounds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/48707—Physical analysis of biological material of liquid biological material by electrical means
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
    • G01N27/124—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature varying the temperature, e.g. in a cyclic manner
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/125—Composition of the body, e.g. the composition of its sensitive layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Biomedical Technology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Urology & Nephrology (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Combustion & Propulsion (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
JP2023549520A 2021-09-21 2022-09-16 揮発性脂肪酸の検知方法および測定装置 Active JP7743103B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021153071 2021-09-21
JP2021153071 2021-09-21
PCT/JP2022/034697 WO2023048076A1 (ja) 2021-09-21 2022-09-16 揮発性脂肪酸の検知方法および測定装置

Publications (3)

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JPWO2023048076A1 JPWO2023048076A1 (https=) 2023-03-30
JPWO2023048076A5 JPWO2023048076A5 (https=) 2024-05-30
JP7743103B2 true JP7743103B2 (ja) 2025-09-24

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JP2023549520A Active JP7743103B2 (ja) 2021-09-21 2022-09-16 揮発性脂肪酸の検知方法および測定装置

Country Status (4)

Country Link
US (1) US20250130193A1 (https=)
EP (1) EP4407308A4 (https=)
JP (1) JP7743103B2 (https=)
WO (1) WO2023048076A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025063276A1 (ja) * 2023-09-22 2025-03-27 国立研究開発法人物質・材料研究機構 酢酸ガス濃度測定装置、その使用方法、および酢酸ガス濃度の測定方法
WO2025094861A1 (ja) * 2023-11-01 2025-05-08 国立研究開発法人物質・材料研究機構 蒸散計測センサ、蒸散計測装置および蒸散計測方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010002335A (ja) 2008-06-20 2010-01-07 New Cosmos Electric Corp ガス検知素子
WO2016013544A1 (ja) 2014-07-23 2016-01-28 国立研究開発法人物質・材料研究機構 高速応答・高感度乾湿応答センサー
JP2017509874A (ja) 2014-02-21 2017-04-06 ドレーガー セイフティー アクチエンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト アウフ アクチエン 電気化学ガスセンサ
WO2017213118A1 (ja) 2016-06-08 2017-12-14 国立研究開発法人物質・材料研究機構 露点測定方法及び露点測定装置
JP2019066427A (ja) 2017-10-04 2019-04-25 山形県 湿度センサ及びその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010002335A (ja) 2008-06-20 2010-01-07 New Cosmos Electric Corp ガス検知素子
JP2017509874A (ja) 2014-02-21 2017-04-06 ドレーガー セイフティー アクチエンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト アウフ アクチエン 電気化学ガスセンサ
WO2016013544A1 (ja) 2014-07-23 2016-01-28 国立研究開発法人物質・材料研究機構 高速応答・高感度乾湿応答センサー
WO2017213118A1 (ja) 2016-06-08 2017-12-14 国立研究開発法人物質・材料研究機構 露点測定方法及び露点測定装置
JP2019066427A (ja) 2017-10-04 2019-04-25 山形県 湿度センサ及びその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
寺田英史ほか，湿潤を測り分けるセンサの相対湿度100%到達前後における挙動，表面技術協会講演大会講演要旨集，日本，2020年02月20日，Vol.141st，pp.92-93

Also Published As

Publication number Publication date
EP4407308A1 (en) 2024-07-31
JPWO2023048076A1 (https=) 2023-03-30
WO2023048076A1 (ja) 2023-03-30
EP4407308A4 (en) 2025-09-17
US20250130193A1 (en) 2025-04-24

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