KR920003943A - 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로 - Google Patents

감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로 Download PDF

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Publication number
KR920003943A
KR920003943A KR1019900012885A KR900012885A KR920003943A KR 920003943 A KR920003943 A KR 920003943A KR 1019900012885 A KR1019900012885 A KR 1019900012885A KR 900012885 A KR900012885 A KR 900012885A KR 920003943 A KR920003943 A KR 920003943A
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KR
South Korea
Prior art keywords
biosensor
field effect
effect transistor
measuring circuit
enfet
Prior art date
Application number
KR1019900012885A
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English (en)
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KR930002824B1 (ko
Inventor
손병기
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손병기
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 손병기 filed Critical 손병기
Priority to KR1019900012885A priority Critical patent/KR930002824B1/ko
Priority to JP3231098A priority patent/JPH0774793B2/ja
Publication of KR920003943A publication Critical patent/KR920003943A/ko
Priority to US07/982,002 priority patent/US5309085A/en
Application granted granted Critical
Publication of KR930002824B1 publication Critical patent/KR930002824B1/ko

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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • 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
    • G01N27/4148—Integrated circuits therefor, e.g. fabricated by CMOS processing

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Hardware Design (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Amplifiers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

내용 없음

Description

감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 감이온 전계효과 트랜지스터를 이용한 바이오 센서의 단면도.
제2도는 본 발명에 의한 바이오 센서용 측정 시스템을 나타낸 블럭도.
제3도는 본 발명에 의한 바이오 센서용 측정회로의 상세도.

Claims (4)

  1. ENFET(10)와 REFET(20)를 두 입력소자로 하고 상기 ENFET(10) 및 REFET(20)와 동일한 채널의 MOSFET(M1)(M2)를 부하트랜지스터로 하는 차동증폭단(50)으로 구성된 것을 특징으로 하는 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로.
  2. 제2항에 있어서, 상기 차동증폭단(50)의 출력단에 상기 ENFET(10) 및 REFET(20)와 동일한 채널의MOSFET(M3-M6)로 구성된 차동 단일출력 변환용 컨버어터(60)를 연결한 것을 특징으로 하는 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로.
  3. 제1항에 있어서, 상기 ENFET(10)와 REFET(20) 및 MOSFET(M1)(M2)의 애스펙트 비를 변화시켜 상기 차동증폭단(50)의 증폭도를 조정하는 것을 특징으로 하는 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로.
  4. 제2항에 있어서, 상기 MOSFET(M5)(M6)에 대한 상기 MOSFET(M5)(M6)의 애스펙트 비를 크게하여 상기 컨버어터(60)의 입출력간의 직선성을 높이도록 된 것을 특징으로 하는 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900012885A 1990-08-21 1990-08-21 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로 KR930002824B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019900012885A KR930002824B1 (ko) 1990-08-21 1990-08-21 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로
JP3231098A JPH0774793B2 (ja) 1990-08-21 1991-08-20 感イオン電界効果トランジスタを利用するバイオセンサー用測定回路
US07/982,002 US5309085A (en) 1990-08-21 1992-11-24 Measuring circuit with a biosensor utilizing ion sensitive field effect transistors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900012885A KR930002824B1 (ko) 1990-08-21 1990-08-21 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로

Publications (2)

Publication Number Publication Date
KR920003943A true KR920003943A (ko) 1992-03-27
KR930002824B1 KR930002824B1 (ko) 1993-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900012885A KR930002824B1 (ko) 1990-08-21 1990-08-21 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로

Country Status (3)

Country Link
US (1) US5309085A (ko)
JP (1) JPH0774793B2 (ko)
KR (1) KR930002824B1 (ko)

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Also Published As

Publication number Publication date
JPH0774793B2 (ja) 1995-08-09
KR930002824B1 (ko) 1993-04-10
US5309085A (en) 1994-05-03
JPH04254750A (ja) 1992-09-10

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