KR101358941B1 - 이온성 액체를 이용한 전도성 탄소나노튜브 및 이를 이용한바이오센서 - Google Patents
이온성 액체를 이용한 전도성 탄소나노튜브 및 이를 이용한바이오센서 Download PDFInfo
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- KR101358941B1 KR101358941B1 KR1020070043866A KR20070043866A KR101358941B1 KR 101358941 B1 KR101358941 B1 KR 101358941B1 KR 1020070043866 A KR1020070043866 A KR 1020070043866A KR 20070043866 A KR20070043866 A KR 20070043866A KR 101358941 B1 KR101358941 B1 KR 101358941B1
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- 239000011232 storage material Substances 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- KAKQVSNHTBLJCH-UHFFFAOYSA-N trifluoromethanesulfonimidic acid Chemical compound NS(=O)(=O)C(F)(F)F KAKQVSNHTBLJCH-UHFFFAOYSA-N 0.000 description 1
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 description 1
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- B82B3/0009—Forming specific nanostructures
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Abstract
Description
구분 | 종류 | |
X |
양이온성 이온 | 이미다졸륨, 피리디늄, 피롤리디늄, 몰포리늄 계 |
음이온성 이온 | 할로겐 원자, 테트라플루오로보레이트, 헥사플루오로포스페이트, 트리플루오로메탄설포네이트, 비스(트리플루오로메틸설로닐)이미드, 메틸설페이트, 토실레이트 및 디시안아마이드 | |
R1 | 치환된 탄소 원자 수 1~2개의 알킬기 | |
R2 | 치환된 탄소 원자 수 2~16개의 알킬기 |
Claims (22)
- 다음의 단계를 포함하는 것을 특징으로 하는 전도성 탄소나노튜브의 제조방법:(a) 탄소나노튜브에 기능기의 도입과정 없이, 이온성 액체에 탄소나노튜브를 혼합한 다음, 상기 혼합액을 분쇄(grinding)시켜 음이온 기를 갖는 이온성 탄소나노튜브를 제조하는 단계;(b) 상기 이온성 탄소나노튜브에 금속을 첨가하여 탄소나노튜브의 음이온 기와 상기 금속을 결합시키는 단계.
- 제1항에 있어서, 상기 (a)단계의 이온성 액체와 탄소나노튜브의 중량비는 1:0.002 ~ 1:0.01인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 (b)단계의 이온성 탄소나노튜브와 금속의 중량비는 1:10 ~ 1:20인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 금속은 금(Au), 은(Ag), 백금(Pt), 실리카(Si), 철(Fe), 니켈(Ni) 및 코발트(Co)으로 구성된 그룹에서 선택되는 하나의 금속 또는 둘 이상의 합금인 것을 특징으로 하는 방법.
- 다음의 단계를 포함하는 것을 특징으로 하는 전도성 탄소나노튜브 필름의 제조방법:(a) 표면에 티올기가 노출된 기질을 제공하는 단계;(b) 상기 기질 표면의 티올기와 제1항의 방법에 의해 제조된 전도성 탄소나노튜브의 금속을 결합시키는 단계;(c) 상기 기질에 부착된 전도성 탄소나노튜브에 제1항의 방법에 의해 제조된 전도성 탄소나노튜브를 결합시켜 전도성 탄소나노튜브를 적층하는 단계;(d) 상기 (c) 단계를 반복하여 전도성 탄소나노튜브의 밀도를 높이는 단계.
- 제6항에 있어서, (a)단계는 탄소나노튜브를 적층시킬 기질 표면에 아미노 작용기를 노출시킨 다음, 카르복실기와 티올기를 동시에 가지는 화학물질로 처리하여, 상기 기질상의 아미노기와 상기 화학물질의 카르복실기 간에 아미드 결합을 형성하는 것임을 특징으로 하는 방법.
- 제7항에 있어서, 상기 카르복실기와 티올기를 동시에 가지는 화학물질은 HOOC-R2-SH(여기서,R2는 C1-20인 포화 탄화수소류, C2-20인 불포화 탄화수소류 또는 방향족 유기기임)인 것을 특징으로 하는 방법.
- 제6항에 있어서, 상기 (c) 단계는 이중 티올 작용기를 가진 링커를 이용하는 것을 특징으로 하는 방법.
- 제9항에 있어서, 상기 이중 티올 작용기를 가지는 링커는 HS-R3-SH(여기서,R3는 C1-20인 포화 탄화수소류, C2-20인 불포화 탄화수소류 또는 방향족 유기기임)로 표시되는 화학물질인 것을 특징으로 하는 방법.
- 제6항에 있어서, 상기 기질은 원하는 위치에 전도성 탄소나노튜브를 부착하기 위하여 포토레지스트 또는 고분자 패턴이 형성되어 있는 것임을 특징으로 하는 방법.
- 제6항에 있어서, 상기 기질은 유리, 실리콘, 용융실리카, 플라스틱 및 PDMS로 구성된 그룹에서 선택되는 것을 특징으로 하는 방법.
- 제1항의 방법에 의해 제조된 전도성 탄소나노튜브에 표적 바이오물질과 결합하거나 반응하는 바이오 리셉터를 부착시키는 것을 특징으로 하는 전도성 탄소나노튜브-바이오센서의 제조방법.
- 제6항의 방법에 의해 제조된 전도성 탄소나노튜브 필름에 표적 바이오물질과 결합하거나 반응하는 바이오 리셉터를 부착시키는 것을 특징으로 하는 전도성 탄소나노튜브-바이오센서의 제조방법.
- 제13항 또는 제14항에 있어서, 상기 바이오 리셉터는 티올기를 함유하는 것을 특징으로 하는 방법.
- 제13항 또는 제14항에 있어서, 상기 바이오 리셉터는 효소, 효소기질, 리간드, 아미노산, 펩티드, 단백질, 금속 결합단백질, 핵산(DNA, RNA), 지질, 코펙터 및 탄수화물로 구성된 그룹에서 선택되는 것을 특징으로 하는 방법.
- 제16항에 있어서, 상기 효소는 아세틸콜린 에스테라아제(acetylcholin esterase, AChE) 또는 포도당 산화효소(glucose oxidase, GOx)인 것을 특징으로 하는 방법.
- 제16항에 있어서, 상기 효소기질은 카이나제의 기질 펩티드(SP)인 것을 특징으로 하는 방법.
- 제13항 또는 제14항에 있어서, 상기 표적 바이오물질은 효소, 단백질, 핵산, 및 상기 바이오 리셉터와 반응하는 바이오분자로 구성된 그룹에서 선택되는 것을 특징으로 하는 방법.
- 제13항의 방법에 의해 제조된 전도성 탄소나노튜브-바이오센서를 이용하는 것을 특징으로 하는 표적 바이오 물질의 검출방법.
- 제14항의 방법에 의해 제조된 전도성 탄소나노튜브-바이오센서를 이용하는 것을 특징으로 하는 표적 바이오 물질의 검출방법.
- 제20항 또는 제21항에 있어서, 검출방법은 전기적 신호를 이용하는 것을 특징으로 하는 방법.
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