KR20120058291A - 표면 플라즈몬 현상에 의한 광간섭 변화 특성을 이용한 바이오 센싱 장치 - Google Patents
표면 플라즈몬 현상에 의한 광간섭 변화 특성을 이용한 바이오 센싱 장치 Download PDFInfo
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- KR20120058291A KR20120058291A KR1020100120002A KR20100120002A KR20120058291A KR 20120058291 A KR20120058291 A KR 20120058291A KR 1020100120002 A KR1020100120002 A KR 1020100120002A KR 20100120002 A KR20100120002 A KR 20100120002A KR 20120058291 A KR20120058291 A KR 20120058291A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
- G01N21/552—Attenuated total reflection
- G01N21/553—Attenuated total reflection and using surface plasmons
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
- G01N21/552—Attenuated total reflection
- G01N21/553—Attenuated total reflection and using surface plasmons
- G01N21/554—Attenuated total reflection and using surface plasmons detecting the surface plasmon resonance of nanostructured metals, e.g. localised surface plasmon resonance
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
- G01N2021/5903—Transmissivity using surface plasmon resonance [SPR], e.g. extraordinary optical transmission [EOT]
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Abstract
Description
도 2는 본 발명의 일실시예에 따른 바이오 센싱 장치의 광학계를 나타내는 개략도이다.
도 3은 공명각 변화에 따른 빛의 강도(intensity) 변화를 나타낸다.
도 4는 본 발명의 일실시예에 따른 바이오 센싱 장치의 콤팩트(Compact) 광학계를 나타낸다.
Claims (6)
- 표면 플라즈몬 공명을 이용해 검출대상의 반응을 검출하기 위한 바이오 센싱 장치에 있어서,
입사되는 레이저를 분할하는 광분할기;
상기 광분할기로부터 조사되는 레이저를 상기 광분할기로 재반사시켜 상기 광분할기를 통해 기준파를 광검출기로 조사하기 위한 제1 미러;
상기 광분할기로부터 조사되는 레이저를 반사시키되, 반사면에 검출대상의 표면 위에 금속이 코팅된 시료가 놓여지는 프리즘; 및
상기 프리즘으로부터 조사되는 레이저를 상기 프리즘으로 재반사시켜 상기 프리즘 및 상기 광분할기를 통해 시료파를 상기 광검출기로 조사하기 위한 제2 미러를 포함하고,
상기 검출대상과 상기 금속 사이의 계면에서 발생하는 표면 플라즈몬 공명을 이용하는 것을 특징으로 하는 바이오 센싱 장치. - 제1항에 있어서,
상기 검출대상은 생화학물질을 포함하는 것을 특징으로 하는 바이오 센싱 장치. - 제1항에 있어서,
상기 레이저의 입사각을 상기 검출대상의 반응 전의 공명각으로 하고, 반응전에 없었던 간섭상이 반응후에 생성되는 해당 영상을 상기 광검출기에서 획득하는 것을 특징으로 하는 바이오 센싱 장치. - 제1항에 있어서,
상기 레이저의 입사각을 상기 검출대상의 반응 후의 공명각으로 하고, 반응전에 있었던 간섭상이 반응후에 소멸되는 해당 영상을 상기 광검출기에서 획득하는 것을 특징으로 하는 바이오 센싱 장치. - 제1항에 있어서,
상기 광분할기와 상기 프리즘을 밀착시켜 일체화한 것을 특징으로 하는 바이오 센싱 장치. - 제1항에 있어서,
상기 제1 미러와 상기 제2 미러를 하나로 일체화한 것을 특징으로 하는 바이오 센싱 장치.
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KR1020100120002A KR101245544B1 (ko) | 2010-11-29 | 2010-11-29 | 표면 플라즈몬 현상에 의한 광간섭 변화 특성을 이용한 바이오 센싱 장치 |
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KR1020100120002A KR101245544B1 (ko) | 2010-11-29 | 2010-11-29 | 표면 플라즈몬 현상에 의한 광간섭 변화 특성을 이용한 바이오 센싱 장치 |
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KR20120058291A true KR20120058291A (ko) | 2012-06-07 |
KR101245544B1 KR101245544B1 (ko) | 2013-03-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112432912A (zh) * | 2020-11-19 | 2021-03-02 | 哈尔滨理工大学 | 一种基于干涉阵列的光纤紫外传感装置及实现方法 |
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GB0013139D0 (en) * | 2000-05-30 | 2000-07-19 | Univ Nottingham | Improvements in and relating to microscopy |
JP2005337939A (ja) | 2004-05-28 | 2005-12-08 | Aisin Seiki Co Ltd | 表面プラズモン共鳴装置 |
JP2009036759A (ja) * | 2007-07-10 | 2009-02-19 | Canon Inc | 検知装置及び観測対象の光学的特性の変化を検知する方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112432912A (zh) * | 2020-11-19 | 2021-03-02 | 哈尔滨理工大学 | 一种基于干涉阵列的光纤紫外传感装置及实现方法 |
CN112432912B (zh) * | 2020-11-19 | 2021-09-24 | 哈尔滨理工大学 | 一种基于干涉阵列的光纤紫外传感装置及实现方法 |
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