KR100455284B1 - 탄소나노튜브를 이용한 고용량의 바이오분자 검출센서 - Google Patents
탄소나노튜브를 이용한 고용량의 바이오분자 검출센서 Download PDFInfo
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- KR100455284B1 KR100455284B1 KR10-2001-0049033A KR20010049033A KR100455284B1 KR 100455284 B1 KR100455284 B1 KR 100455284B1 KR 20010049033 A KR20010049033 A KR 20010049033A KR 100455284 B1 KR100455284 B1 KR 100455284B1
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Classifications
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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
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54366—Apparatus specially adapted for solid-phase testing
- G01N33/54373—Apparatus specially adapted for solid-phase testing involving physiochemical end-point determination, e.g. wave-guides, FETS, gratings
- G01N33/5438—Electrodes
-
- 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
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
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- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Chemical & Material Sciences (AREA)
- Hematology (AREA)
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- General Physics & Mathematics (AREA)
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
Description
Claims (16)
- ① 기질; 및,② 기질 위에 배열된 복수의 탄소 나노튜브를 포함하며, 그 탄소 나노튜브에 전기장을 인가함으로써 표적 바이오분자와 결합하는 리셉터를 원하는 위치의 탄소 나노튜브 위에 선택적으로 부착시키는 것을 특징으로 하는 나노어레이 타입의 바이오분자 검출센서.
- ① 기질;② 기질에 제작된 마이크로 또는 나노 크기의 멀티채널; 및,③ 채널내의 특정위치에 배열된 하나 혹은 둘 이상의 탄소 나노튜브를 포함하며, 그 탄소 나노튜브에 전기장을 인가함으로써 표적 바이오분자와 결합하는 리셉터를 원하는 위치의 탄소 나노튜브 위에 선택적으로 부착시키는 것을 특징으로 하는 멀티채널 타입의 바이오분자 검출센서.
- 제 1항 또는 제 2항에 있어서, 기질은 실리콘, 유리, 용융실리카, 플라스틱 및 PDMS 로 구성된 군에서 선택된 재료로 만들어지는 것을 특징으로 하는 바이오분자 검출센서.
- 제 1항 또는 제 2항에 있어서, 리셉터는 핵산, 단백질, 펩티드, 아미노산, 리간드, 효소 기질, 코펙터 또는 올리고당인 것을 특징으로 하는 바이오분자 검출센서.
- 제 1항 또는 제 2항에 있어서, 표적 바이오분자는 단백질, DNA, 효소 또는 리셉터와 결합할 수 있는 기타 바이오분자인 것을 특징으로 하는 바이오분자 검출센서.
- 제 1항 또는 제 2항에 있어서, 기질 상의 탄소 나노튜브 배열은 알루미나와 같은 절연막에 수 ~ 수백 nm 직경의 구멍을 수 ~ 수백 nm 간격으로 형성한 후, 상기 구멍들 내에 탄소 나노튜브를 화학기상법, 전기영동법 또는 기계적 방법에 의해수직으로 성장시켜 형성되는 것을 특징으로 하는 바이오분자 검출센서.
- 제 1항 또는 제 2항에 있어서, 탄소 나노튜브 위에 리셉터의 선택적 부착은 리셉터의 순 전하(net charge)와 반대되는 극성의 전하를 일정한 또는 각기 다른 전기장으로 탄소 나노튜브에 인가하여 이루어지는 것을 특징으로 하는 바이오분자 검출센서.
- 제 1항 또는 제 2항에 있어서, 탄소 나노튜브에 리셉터를 부착시키기 바로 직전 또는 직후에, 탄소 나노튜브와 리셉터 사이의 부착력을 증가시키는 결합보조제를 처리하는 것을 특징으로 하는 바이오분자 검출센서.
- 제 8항에 있어서, 결합보조제는 카본기 말단에 알데하이드, 아민 혹은 이민류 등과 같은 작용기가 붙어 있는 화학물질; SiO2, Si3N4등과 같은 단층(monolayer); 니트로셀룰로스 등과 같은 막(membrane); 또는 폴리아크릴아미드 겔, PDMS 등과 같은 중합체(polymer)인 것을 특징으로 하는 바이오분자 검출센서.
- 제 1항 또는 제 2항에 있어서, 탄소 나노튜브에의 리셉터의 부착 또는 리셉터와 바이오분자의 결합을 검출(detect)할 수 있는 시스템을 더 포함하는 것을 특징으로 하는 바이오분자 검출센서.
- 제 10항에 있어서, 검출(detection) 시스템은 전기적 검출법과 같은 내장형 또는 x-y 형광 레이저 검출기와 같은 외장형인 것을 특징으로 하는 바이오분자 검출센서.
- 제 2항에 있어서, 멀티채널은 분석하고자 하는 바이오분자의 크기와 전기적 성질에 의해 운반(delivery)과 분리(separation)를 수행하는 시스템을 포함하는 것을 특징으로 하는 바이오분자 검출센서.
- 제 12항에 있어서, 운반(delivery) 및 분리(separation) 시스템은 마이크로 펌프(micro-pump) 또는 모세관 전기영동(capillary electrophoresis)인 것을 특징으로 하는 바이오분자 검출센서.
- 제 1항 또는 제 2항의 바이오분자 검출센서를 사용하여 표적 바이오분자를 분석하는 방법.
- 제 14항에 있어서, 다양한 종류의 리셉터들에 결합하는 다양한 종류의 표적 바이오분자들을 직접 검출하거나, 결합력의 차이를 측정함으로써 여러 종류의 표적 바이오분자들을 하나의 칩 상에서 한번에 대량으로 분석하는 것을 특징으로 하는 방법.
- 제 15항에 있어서, 표적 바이오분자는 질병에 관련된 표적 단백질인 것을 특징으로 하는 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0049033A KR100455284B1 (ko) | 2001-08-14 | 2001-08-14 | 탄소나노튜브를 이용한 고용량의 바이오분자 검출센서 |
US10/240,227 US20030134267A1 (en) | 2001-08-14 | 2002-08-13 | Sensor for detecting biomolecule using carbon nanotubes |
PCT/KR2002/001544 WO2003016901A1 (en) | 2001-08-14 | 2002-08-13 | Sensor for detecting biomolecule using carbon nanotubes |
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Also Published As
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KR20030014997A (ko) | 2003-02-20 |
US20030134267A1 (en) | 2003-07-17 |
WO2003016901A1 (en) | 2003-02-27 |
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