KR20080052587A - 원자현미경을 이용한 생체분자간 결합 - Google Patents
원자현미경을 이용한 생체분자간 결합 Download PDFInfo
- Publication number
- KR20080052587A KR20080052587A KR1020087006105A KR20087006105A KR20080052587A KR 20080052587 A KR20080052587 A KR 20080052587A KR 1020087006105 A KR1020087006105 A KR 1020087006105A KR 20087006105 A KR20087006105 A KR 20087006105A KR 20080052587 A KR20080052587 A KR 20080052587A
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- Prior art keywords
- cantilever
- dendron
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- nucleotide
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Abstract
Description
표면 | 올리고뉴클레오타이드 유형 | 고정된 뉴클레오타이드 (SEQ ID NO) | |
AFM 말단 | 9-산/TPU | 완전일치 DNA | 5 내지 8 |
9-산/TPU | 1 bp 불일치 | 9 내지 12 | |
9-산/TPU | 2 bp 불일치 | 13 내지 16 | |
서브스트레이트 | 9-산/GPDES | DNA | 1 내지 4 |
9-산/TPU | DNA | 1 내지 4 | |
27-산/TPU | DNA | 1 내지 4 |
Claims (30)
- 고정 말단(fixed end)과 비고정 말단(free end)을 가진 캔틸레버 본체를 포함하며, 상기 비고정 말단은 덴드론에 의해 화학적으로 변형된 표면을 가지며, 상기 덴드론의 분지 부위에 있는 다수의 말단은 상기 표면에 결합되고, 상기 덴드론의 선형 부위의 말단은 관능기화된 것인, 원자현미경(ATM)용 캔틸레버.
- 제1항에 있어서, 상기 비고정 말단 부위는 테이퍼진(tapered) 돌출부가 적어도 1개 이상 위치되는 것인, 캔틸레버.
- 제2항에 있어서, 상기 돌출부는 피라미드형 또는 원추형인 것인, 캔틸레버.
- 제1항에 있어서, 상기 덴드론은 상기 선형 부위의 관능기 사이에 약 0.1 nm 내지 약 100 nm의 규칙적인 간격으로 분포하는 것인, 캔틸레버.
- 제4항에 있어서, 상기 덴드론은 약 10 nm의 규칙적인 간격으로 분포하는 것인, 캔틸레버.
- 제1항에 있어서, 상기 분지된 부위의 말단이 -COZ, -NHR, -OR', 또는 -PR"3으로 관능화되어 있고, 이때 Z는 이탈기이고, R은 알킬이고, R'은 알킬, 아릴, 또 는 에테르이고, 및 R"는 수소, 알킬, 또는 알콕시인 것인, 캔틸레버.
- 제6항에 있어서, COZ 그룹은 산, 에스테르, 활성화된 에스테르, 산할리드, 활성화된 아미드, 또는 CO-이미다조일인 것인, 캔틸레버.
- 제1항에 있어서, 상기 선형 부위는 스페이서 부위를 포함하는 것인, 캔틸레버.
- 제8항에 있어서, 상기 스페이서 부위는 제1관능기를 통하여 분지된 부위에 연결되어 있는 것인, 캔틸레버.
- 제9항에 있어서, 상기 관능기는 -NH2, -OH, -PH3, -COOH, -CHO 또는 -SH인 것인, 캔틸레버.
- 제8항에 있어서, 상기 스페이서 부위는 상기 제1 관능기에 공유적으로 결합된 링커 부위를 포함하는 것인, 캔틸레버.
- 제11항에 있어서, 상기 링커 부위는 치환되거나 치환되지 않은 알킬기, 알케닐기, 알키닐기, 시클로알킬기, 아릴기, 에테르기, 폴리에테르기, 에스테르기, 또는 아미노알킬기를 포함하는 것인, 캔틸레버.
- 제8항에 있어서, 상기 스페이서 부위는 제2 관능기를 포함하는 것인, 캔틸레버.
- 제13항에 있어서, 상기 제2 관능기는 -NH2, -OH, -PH3, -COOH, -CHO 또는 SH인 것인, 캔틸레버.
- 제13항에 있어서, 제2 관능기는 상기 선형 부위의 말단에 위치하는 것인, 캔틸레버.
- 제1항에 있어서, 상기 선형 부위의 말단에 보호기가 결합되어 있는 것인, 캔틸레버.
- 제16항에 있어서, 상기 보호기는 산 반응성 물질 또는 염기 반응성 물질인 것인, 캔틸레버.
- 제1항에 있어서, 상기 덴드론의 선형 부위의 말단에 프로브 뉴클레오타이드 또는 리간드가 결합되어 있는 것인, 캔틸레버.
- 제18항에 있어서, 상기 프로브 뉴클레오타이드 또는 리간드는 약 0.01 프로 브/nm2 내지 약 0.5 프로브/nm2 범위의 저밀도인 것인, 캔틸레버.
- 제18항에 있어서, 상기 프로브 뉴클레오타이드는 DNA, RNA, 올리고뉴클레오타이드, cDNA, 뉴클레오타이드 유사체(analog) 또는 이들의 혼합물인 것인, 캔틸레버.
- 제18항에 있어서, 상기 덴드론의 선형 부위에 결합되어 있는 프로브 뉴클레오타이드간의 거리는 약 0.1 내지 약 100 nm인 것인, 캔틸레버.
- 제1항에 따른 캔틸레버를 제조하는 방법으로서, (i) 덴드론의 말단과 반응할 수 있도록 캔틸레버의 표면 부위를 관능화시키는 단계; 및 (ii) 상기 말단과 표면이 결합할 수 있도록 상기 덴드론을 상기 표면 부위에 접촉시키는 단계를 포함하는, 제조 방법.
- 제22항에 있어서, i) 상기 표면 부위상에 있는 덴드론의 선형 부위의 말단으로부터 보호기를 제거하는 단계; 및 ii) 상기 프로브 뉴클레오타이드, 리간드 또는 링커 분자 및 상기 말단이 서로 결합할 수 있도록 프로브 뉴클레오타이드, 리간드 또는 상기 프로브 뉴클레오타이드 또는 상기 리간드와 연결된 링커 분자를 서브스트레이트상에 있는 덴드론의 선형 부위의 말단 부위에 접촉시키는 단계를 포함하 고, 상기 링커 분자가 동형의 양작용성(homo-bifunctional) 링커 또는 이형의 양작용성(hetero-bifunctional) 링커인, 프로브 뉴클레오타이드 또는 리간드를 덴드론의 선형 부위의 말단에 고정시키는 제조 방법.
- 프로브 뉴클레오타이드와 표적 뉴클레오타이드간의 결합을 측정하기 위한 장치로서,고정 말단(fixed end)과 비고정 말단(free end)을 가지며, 상기 비고정 말단은 덴드론에 의해 화학적으로 변형된 표면을 가지며, 상기 덴드론의 선형 부위의 말단은 프로브 뉴클레오타이드에 결합되는, 제1항에 따른 캔틸레버;표적 뉴클레오타이드가 고정되는 서브스트레이트;상기 덴드론에 의해 변형된 캔틸레버의 표면 부위상에 고정된 프로브 뉴클레오타이드와 서브스트레이트상에 고정된 표적 뉴클레오타이드가 결합할 수 있도록 상기 캔틸레버 및 표적 뉴클레오타이드 서브스트레이트의 상대적 위치 및 방향을 조절하는 조절자; 및상기 프로브 뉴클레오타이드와 상기 표적 뉴클레오타이드 결합에 관련된 물리적 변수를 측정하기 위한 검출자를 포함하는, 원자현미경(AFM)인 장치.
- 제24항에 있어서, 상기 서브스트레이트는 표적 뉴클레오타이드가 고정된 것인, 장치.
- 프로브 뉴클레오타이드와 상호작용하는 표적 뉴클레오타이드를 분석하는 방법으로서,(a) 고정 말단(fixed end)과 비고정 말단(free end)을 가지며, 상기 비고정 말단은 덴드론에 의해 화학적으로 변형된 표면을 가지며, 상기 덴드론의 분지 부위에 있는 다수의 말단은 상기 표면에 결합되고, 상기 덴드론의 선형 부위의 말단이 프로브 뉴클레오타이드에 결합되는, 제1항에 따른 캔틸레버를 제공하는 단계:(b) 표적 뉴클레오타이드를 서브스트레이트상에 고정시키는 단계;(c) 프로브 뉴클레오타이드를 고정시키기 위하여 덴드론에 의해 변형된 상기 캔틸레버의 표면 부위를 화학적으로 변형시키는 단계;(d) 상기 덴드론-변형된 표면상에 고정된 프로브 뉴클레오타이드와 시료 지지체의 서브스트레이트상에 고정된 표적 뉴클레오타이드가 상호작용할 수 있도록 상기 서브스트레이트 및 캔틸레버의 상대적 위치 및 방향을 조절하는 조절자를 포함하는 장치에, 상기 서브스트레이트와 캔틸레버를 연결하는 단계;(e) 상기 프로브 뉴클레오타이드와 상기 표적 뉴클레오타이드가 상호작용할 수 있도록 상기 캔틸레버 및 서브스트레이트의 상대적 위치 및 방향을 조절하는 단계; 및(f) 상기 프로브 뉴클레오타이드와 상기 표적 뉴클레오타이드의 상호작용에 관련된 물리적 변수를 측정하는 단계를 포함하는, 프로브 뉴클레오타이드와 상호작용하는 표적 뉴클레오타이드를 분석하는 방법.
- 제26항에 있어서, 상기 프로브 뉴클레오타이드는 단일 가닥의 DNA 또는 RNA이고, 표적 뉴클레오타이드는 상보적인 가닥의 DNA 또는 RNA이거나 염기가 불일치된 가닥의 DNA 또는 RNA인 것인, 방법.
- 제26항에 있어서, 단계 (b)의 서브스트레이트는 그 위에 표적 뉴클레오타이드를 고정시키기 위하여 덴드론에 의해 화학적으로 변형화시킨 것인, 방법.
- 리간드와 표적 수용체간의 결합을 측정하기 위한 장치로서,고정 말단(fixed end)과 비고정 말단(free end)을 가지며, 상기 비고정 말단은 덴드론에 의해 화학적으로 변형된 표면을 가지며, 상기 덴드론의 선형 부위의 말단이 프로브 뉴클레오타이드에 결합되는, 제1항에 따른 캔틸레버:표적 수용체가 고정화되는 서브스트레이트;상기 덴드론에 의해 변형된 캔틸레버의 표면 부위상에 고정된 리간드와 서브스트레이트상에 고정된 표적 수용체가 결합할 수 있도록 상기 캔틸레버 및 표적 수용체 서브스트레이트의 상대적 위치 및 방향을 조절하는 조절자; 및상기 리간드와 상기 표적 수용체간의 결합에 관련된 물리적 변수를 측정하기 위한 검출자를 포함하는, 원자현미경(AFM)인 장치.
- 리간드와 상호작용하는 표적 수용체를 분석하는 방법으로서,(a) 고정 말단(fixed end)과 비고정 말단(free end)을 가지며, 상기 비고정 말단은 덴드론에 의해 화학적으로 변형된 표면을 가지며, 상기 덴드론의 분지 부위에 있는 다수의 말단은 상기 표면에 결합되고, 상기 덴드론의 선형 부위의 말단이 프로브 뉴클레오타이드에 결합되는, 제1항에 따른 캔틸레버를 제공하는 단계:(b) 리간드를 서브스트레이트상에 고정시키는 단계;(c) 리간드를 고정시키기 위하여 덴드론에 의해 변형된 상기 캔틸레버의 표면 부위를 화학적으로 변형시키는 단계;(d) 상기 덴드론-변형된 표면상에 고정된 리간드와 시료 지지체의 서브스트레이트상에 고정된 표적 수용체가 상호작용할 수 있도록 상기 서브스트레이트 및 캔틸레버를 상기 서브스트레이트 및 캔틸레버의 상대적 위치 및 방향을 조절하는 조절자를 포함하는 장치에, 상기 서브스트레이트와 캔틸레버를 연결하는 단계;(e) 상기 리간드와 상기 표적 수용체가 상호작용할 수 있도록 상기 캔틸레버 및 서브스트레이트의 상대적 위치 및 방향을 조절하는 단계; 및(f) 상기 리간드와 상기 표적 수용체간의 상호작용에 관련된 물리적 변수를 측정하는 단계를 포함하는, 프로브 뉴클레오타이드와 상호작용하는 표적 뉴클레오타이드를 분석하는 방법.
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US (1) | US20070128623A1 (ko) |
EP (1) | EP1920249A4 (ko) |
JP (1) | JP4753392B2 (ko) |
KR (2) | KR101069898B1 (ko) |
CN (1) | CN101322030B (ko) |
WO (1) | WO2007135483A2 (ko) |
Cited By (2)
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KR101293968B1 (ko) * | 2012-05-30 | 2013-08-07 | 고려대학교 산학협력단 | 은 이온 검출용 올리고뉴클레오티드 고정 마이크로 오실레이터 및 이의 공진을 이용한 은 이온 검출방법 |
KR101355019B1 (ko) * | 2013-03-04 | 2014-01-27 | 한국과학기술연구원 | 원자력 현미경용 캔틸레버 센서 및 이의 제조방법 |
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US20100261615A9 (en) * | 2005-08-12 | 2010-10-14 | Joon Won Park | Atomic force microscope as an analyzing tool for biochip |
US7745206B2 (en) * | 2007-01-29 | 2010-06-29 | Arizona State University | AFM for simultaneous recognition of multiple factors |
JP2010539468A (ja) * | 2007-09-17 | 2010-12-16 | ポステック アカデミー−インダストリー ファウンデーション | 表面結合分子を有する固体基質およびこの基質を生成および使用する方法 |
US8975215B2 (en) * | 2007-09-17 | 2015-03-10 | Postech Foundation | Methods for producing surface bound oligonucleotide on solid substrate and uses thereof |
EP2053400A1 (en) * | 2007-10-22 | 2009-04-29 | Consejo Superior De Investigaciones Cientificas | Method and system for detection of a selected type of molecules in a sample |
WO2011059453A1 (en) * | 2009-11-16 | 2011-05-19 | Postech Academy-Industry Foundation | Methods for producing surface bound oligonucleotide on solid substrate and uses thereof |
WO2013191768A1 (en) * | 2012-06-20 | 2013-12-27 | Aratome, LLC | Tissue adhesive substrates |
CN102749441B (zh) * | 2012-07-05 | 2013-09-25 | 中国科学院物理研究所 | 成像磁镊装置及其与单分子荧光技术集成的系统和方法 |
CN103558367B (zh) * | 2013-11-19 | 2014-07-30 | 长春理工大学 | 生理条件下用纳米电极阵列测量生物细胞电特性的系统及方法 |
CN104991090B (zh) * | 2015-07-01 | 2016-08-17 | 青岛大学 | 一种原子力显微镜检测单分子水平分子间相互作用的方法 |
WO2020089678A1 (en) * | 2018-11-01 | 2020-05-07 | Nb Postech | Nitrocellulose membrane comprising non-covalently attached organic nanostructured molecule |
CN110736858B (zh) * | 2019-10-23 | 2020-06-30 | 中南大学 | 一种氧化矿物捕收剂afm测定探针及其制备和应用方法 |
CN112557702A (zh) * | 2020-11-23 | 2021-03-26 | 深圳明锐仪器有限公司 | 基于原子力显微镜与离子束的层析检测装置与方法 |
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US5763768A (en) | 1997-03-17 | 1998-06-09 | Iowa State University Research Foundation, Inc. | Analytical method using modified scanning probes |
US6203983B1 (en) | 1997-06-16 | 2001-03-20 | Affymetrix, Inc. | Method for detecting chemical interactions between naturally occurring bio-polymers which are non-identical binding partners |
US6545492B1 (en) * | 1999-09-20 | 2003-04-08 | Europaisches Laboratorium Fur Molekularbiologie (Embl) | Multiple local probe measuring device and method |
CA2392004C (en) * | 2000-09-20 | 2005-11-29 | Matsushita Electric Industrial Co., Ltd. | Probe for scanning probe microscope and method for producing the same, and scanning probe microscope including the probe and molecular processing method using the scanning probe microscope |
KR100379720B1 (ko) * | 2000-10-14 | 2003-04-11 | 주식회사 마크로젠 | 덴드리머 단일층 지지체 및 그의 제조방법 |
US6871528B2 (en) | 2002-04-12 | 2005-03-29 | University Of South Florida | Method of producing a branched carbon nanotube for use with an atomic force microscope |
US7247384B2 (en) * | 2002-12-20 | 2007-07-24 | The University Of Houston | Modification of silicon-containing scanning probe microscopy tips and growth of oligo-or poly (ethylene glycol) films on silicon surfaces through formation of Si-C bonds |
US6987277B2 (en) * | 2003-10-10 | 2006-01-17 | Zyvex Corporation | Systems and method for picking and placing of nanoscale objects utilizing differences in chemical and physical binding forces |
JP4213577B2 (ja) * | 2003-12-05 | 2009-01-21 | 独立行政法人科学技術振興機構 | グラフト重合鎖固定基材、グラフト重合鎖固定基材の製造方法及び測定方法 |
JP2005283405A (ja) * | 2004-03-30 | 2005-10-13 | Canon Inc | 走査型プローブ顕微鏡、走査型プローブ顕微鏡用探針とそれらを用いた生体関連物質の検出方法 |
WO2006016787A1 (en) * | 2004-08-12 | 2006-02-16 | Postech Foundation | Cantilever for atomic force microscope, and method of measuring biomolecule interaction using the same |
-
2006
- 2006-08-14 JP JP2008525665A patent/JP4753392B2/ja active Active
- 2006-08-14 CN CN2006800367067A patent/CN101322030B/zh active Active
- 2006-08-14 KR KR1020087006105A patent/KR101069898B1/ko active Active
- 2006-08-14 KR KR1020117005477A patent/KR101069899B1/ko active Active
- 2006-08-14 WO PCT/IB2006/004135 patent/WO2007135483A2/en active Application Filing
- 2006-08-14 US US11/464,481 patent/US20070128623A1/en not_active Abandoned
- 2006-08-14 EP EP06851236A patent/EP1920249A4/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101293968B1 (ko) * | 2012-05-30 | 2013-08-07 | 고려대학교 산학협력단 | 은 이온 검출용 올리고뉴클레오티드 고정 마이크로 오실레이터 및 이의 공진을 이용한 은 이온 검출방법 |
KR101355019B1 (ko) * | 2013-03-04 | 2014-01-27 | 한국과학기술연구원 | 원자력 현미경용 캔틸레버 센서 및 이의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
CN101322030A (zh) | 2008-12-10 |
WO2007135483A2 (en) | 2007-11-29 |
CN101322030B (zh) | 2013-06-19 |
KR20110028565A (ko) | 2011-03-18 |
KR101069899B1 (ko) | 2011-10-05 |
KR101069898B1 (ko) | 2011-10-05 |
EP1920249A4 (en) | 2012-01-04 |
EP1920249A2 (en) | 2008-05-14 |
JP4753392B2 (ja) | 2011-08-24 |
US20070128623A1 (en) | 2007-06-07 |
JP2009505057A (ja) | 2009-02-05 |
WO2007135483A3 (en) | 2008-03-06 |
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