JP5253148B2 - 脂質二重層への分子の送達 - Google Patents
脂質二重層への分子の送達 Download PDFInfo
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- JP5253148B2 JP5253148B2 JP2008502471A JP2008502471A JP5253148B2 JP 5253148 B2 JP5253148 B2 JP 5253148B2 JP 2008502471 A JP2008502471 A JP 2008502471A JP 2008502471 A JP2008502471 A JP 2008502471A JP 5253148 B2 JP5253148 B2 JP 5253148B2
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- lipid bilayer
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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
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M35/00—Means for application of stress for stimulating the growth of microorganisms or the generation of fermentation or metabolic products; Means for electroporation or cell fusion
Description
Claims (29)
- 平面脂質二重層における電気信号の測定が可能な電気回路を有する装置を用い、平面脂質二重層に膜タンパク質を挿入する方法であって、
手動または機械システムによって移動可能に配置された巨視的な要素であり、かつ前記膜タンパク質の保持が可能なキャリア表面を有する、プローブを提供する工程と、
膜タンパク質がキャリア表面上に保持されるように前記プローブのキャリア表面上に前記膜タンパク質を堆積させる工程と、
手動または機械システムによって前記プローブを移動させ前記平面脂質二重層に対して前記キャリア表面を固定し、前記膜タンパク質を前記脂質二重層へ挿入させ前記電気回路によって測定される電気信号に基づき前記挿入が検出される工程と、
を含む方法。 - 前記キャリア表面は、前記平面脂質二重層が前記膜タンパク質を保持する力よりも強くない力で前記膜タンパク質を保持することができ、
前記方法は更に、前記プローブを移動させ、平面脂質二重層に対してプローブのキャリア表面を固定する工程の後に、前記プローブを移動させて、平面脂質二重層からプローブのキャリア表面を離脱させ、それによって、挿入された膜タンパク質を平面脂質二重層内に残す工程を含む請求項1記載の方法。 - 前記プローブは、キャリア表面上に前記膜タンパク質を吸着することによってこの膜タンパク質を保持することが可能である請求項1または2に記載の方法。
- 前記プローブは、ゲルの滴を有する本体を含み、前記ゲルは前記本体から突き出ており、ゲルは、その突出した表面上に膜タンパク質を保持することが可能であり、突出した表面が前記キャリア表面を構成する請求項1〜3のいずれかに記載の方法。
- 前記ゲルがヒドロゲルである請求項4に記載の方法。
- 前記ゲルがアガロースゲルまたは合成ゲルである請求項5に記載の方法。
- 前記ゲルがポリアクリルアミドである請求項6に記載の方法。
- 前記本体が凹部を有し、前記ゲルの滴が前記凹部内にある請求項4〜7のいずれかに記載の方法。
- 前記キャリア表面が、水溶液が通過して拡散できる材料の表面である請求項1〜8のいずれかに記載の方法。
- 前記キャリア表面が固体の表面である請求項1〜3のいずれかに記載の方法。
- 前記キャリア表面が、膜タンパク質に対する親和性が増加するように処理される請求項10に記載の方法。
- 前記キャリア表面が、シラン修飾によって処理される請求項11に記載の方法。
- 前記固体がガラスである請求項9〜12のいずれかに記載の方法。
- 前記キャリア表面が、前記平面脂質二重層の面積よりも大きな面積を有する請求項1〜9のいずれかに記載の方法。
- 前記キャリア表面が、少なくとも1桁、平面脂質二重層の面積よりも大きな面積を有する請求項14に記載の方法。
- 前記キャリア表面が、少なくとも1mm2の面積を有する請求項1〜15のいずれかに記載の方法。
- 前記キャリア表面が前記平面脂質二重層よりも小さい請求項1〜3または9〜12のいずれかに記載の方法。
- 前記キャリア表面が、前記平面脂質二重層の面積の最大で70%の面積を有する請求項17に記載の方法。
- 前記プローブの前記キャリア表面上に前記膜タンパク質を堆積させる前記工程が前記プローブの前記キャリア表面上に前記膜タンパク質を含有する溶液を堆積させる工程を含む、請求項1〜18のいずれかに記載の方法。
- 前記プローブの前記キャリア表面上に前記膜タンパク質を堆積させる前記工程が、前記膜タンパク質を含有する試料に前記プローブの前記キャリア表面をこすりつける工程を含む請求項1〜18のいずれかに記載の方法。
- 前記膜タンパク質が、ポアまたはチャネルである請求項1〜20のいずれかに記載の方法。
- 前記膜タンパク質がβ−バレル型またはα−ヘリックス型である請求項21に記載の方法。
- 平面脂質二重層への膜タンパク質の挿入が、平面脂質二重層を流れる電流の特徴的な増加に基づき前記電気回路で検出される請求項21または22に記載の方法。
- 前記平面脂質二重層が、チャンバを定義するチャンバ本体と、中に前記平面脂質二重層が形成される開口を有する前記チャンバの壁と、を含む装置内に形成され、前記チャンバが水溶液を含有する請求項1〜23のいずれかに記載の方法。
- 分子が、ポアまたはチャネルである膜タンパク質である請求項24に記載の方法。
- 前記プローブが、前記平面脂質二重層に対して前記キャリア表面を固定するために前記プローブを動かすことができるように前記チャンバ本体上に取り付けられる請求項24または25に記載の方法。
- 前記チャンバが、前記チャンバの上面に開口部を有し、前記壁は前記チャンバの側面に形成される開口を有し、
前記プローブが、
前記キャリア表面を有する本体と、
前記チャンバ内の本体を支持し、前記開口部を通して前記チャンバの外に伸張し前記プローブの操作を可能にするアームとを含む請求項24〜26のいずれかに記載の方法。 - 前記プローブが更に、前記チャンバ本体上に取り付けられて前記アームを支持するブームを含む請求項27に記載の方法。
- 前記プローブが、前記チャンバ本体上に枢動可能に取り付けられる請求項26または27に記載の方法。
Applications Claiming Priority (3)
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GB0505971.2 | 2005-03-23 | ||
GBGB0505971.2A GB0505971D0 (en) | 2005-03-23 | 2005-03-23 | Delivery of molecules to a lipid bilayer |
PCT/GB2006/001057 WO2006100484A2 (en) | 2005-03-23 | 2006-03-22 | Deliver of molecules to a li id bila |
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JP2008537106A JP2008537106A (ja) | 2008-09-11 |
JP2008537106A5 JP2008537106A5 (ja) | 2009-10-15 |
JP5253148B2 true JP5253148B2 (ja) | 2013-07-31 |
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Country Status (7)
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US (1) | US7939270B2 (ja) |
EP (1) | EP1861071B1 (ja) |
JP (1) | JP5253148B2 (ja) |
AT (1) | ATE473438T1 (ja) |
DE (1) | DE602006015292D1 (ja) |
GB (1) | GB0505971D0 (ja) |
WO (1) | WO2006100484A2 (ja) |
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GB201808556D0 (en) | 2018-05-24 | 2018-07-11 | Oxford Nanopore Tech Ltd | Method |
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US20220162692A1 (en) | 2018-07-30 | 2022-05-26 | Oxford University Innovation Limited | Assemblies |
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GB201821155D0 (en) | 2018-12-21 | 2019-02-06 | Oxford Nanopore Tech Ltd | Method |
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GB201907244D0 (en) | 2019-05-22 | 2019-07-03 | Oxford Nanopore Tech Ltd | Method |
GB201907246D0 (en) | 2019-05-22 | 2019-07-03 | Oxford Nanopore Tech Ltd | Method |
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GB201915480D0 (en) | 2019-10-25 | 2019-12-11 | Oxford Nanopore Tech Ltd | Improved nanopore sensing device, components and method of manufacture |
GB201917060D0 (en) | 2019-11-22 | 2020-01-08 | Oxford Nanopore Tech Ltd | Method |
US20230024319A1 (en) | 2019-12-02 | 2023-01-26 | Oxford Nanopore Technologies Plc | Method of characterising a target polypeptide using a nanopore |
GB201917742D0 (en) | 2019-12-04 | 2020-01-15 | Oxford Nanopore Tech Ltd | Method |
GB202004944D0 (en) | 2020-04-03 | 2020-05-20 | King S College London | Method |
GB202016874D0 (en) | 2020-10-23 | 2020-12-09 | Oxford Nanopore Tech Ltd | Nanopore support structure and manufacture thereof |
GB202009349D0 (en) | 2020-06-18 | 2020-08-05 | Oxford Nanopore Tech Ltd | Method |
EP4168583A2 (en) | 2020-06-18 | 2023-04-26 | Oxford Nanopore Technologies plc | Method of characterising a polynucleotide moving through a nanopore |
EP4168582A1 (en) | 2020-06-18 | 2023-04-26 | Oxford Nanopore Technologies plc | A method of selectively characterising a polynucleotide using a detector |
CN115989410A (zh) | 2020-07-17 | 2023-04-18 | 牛津纳米孔科技公开有限公司 | 纳米孔感测装置 |
GB202015993D0 (en) | 2020-10-08 | 2020-11-25 | Oxford Nanopore Tech Ltd | Method |
CN117337333A (zh) | 2021-05-19 | 2024-01-02 | 牛津纳米孔科技公开有限公司 | 用于补体链测序的方法 |
GB202107192D0 (en) | 2021-05-19 | 2021-06-30 | Oxford Nanopore Tech Ltd | Method |
GB202107354D0 (en) | 2021-05-24 | 2021-07-07 | Oxford Nanopore Tech Ltd | Method |
GB202112235D0 (en) | 2021-08-26 | 2021-10-13 | Oxford Nanopore Tech Ltd | Nanopore |
GB202118939D0 (en) | 2021-12-23 | 2022-02-09 | Oxford Nanopore Tech Plc | Pore |
GB202118908D0 (en) | 2021-12-23 | 2022-02-09 | Oxford Nanopore Tech Ltd | Method |
GB202118906D0 (en) | 2021-12-23 | 2022-02-09 | Oxford Nanopore Tech Ltd | Method |
GB202204919D0 (en) | 2022-04-04 | 2022-05-18 | Oxford Nanopore Tech Plc | Method |
GB202205617D0 (en) | 2022-04-14 | 2022-06-01 | Oxford Nanopore Tech Plc | Novel modified protein pores and enzymes |
WO2023222657A1 (en) | 2022-05-17 | 2023-11-23 | Oxford Nanopore Technologies Plc | Method and adaptors |
GB202211607D0 (en) | 2022-08-09 | 2022-09-21 | Oxford Nanopore Tech Plc | Novel pore monomers and pores |
WO2024033447A1 (en) | 2022-08-09 | 2024-02-15 | Oxford Nanopore Technologies Plc | De novo pores |
WO2024033443A1 (en) | 2022-08-09 | 2024-02-15 | Oxford Nanopore Technologies Plc | Novel pore monomers and pores |
GB202211602D0 (en) | 2022-08-09 | 2022-09-21 | Oxford Nanopore Tech Plc | Novel pore monomers and pores |
GB202307486D0 (en) | 2023-05-18 | 2023-07-05 | Oxford Nanopore Tech Plc | Method |
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US3799743A (en) | 1971-11-22 | 1974-03-26 | Alexander James | Stable lysis responsive lipid bilayer |
US6327410B1 (en) * | 1997-03-14 | 2001-12-04 | The Trustees Of Tufts College | Target analyte sensors utilizing Microspheres |
GB9712386D0 (en) * | 1997-06-14 | 1997-08-13 | Univ Coventry | Biosensor |
DE69924975T2 (de) * | 1998-02-17 | 2005-10-06 | University College Cardiff Consultants Ltd., Cardiff | Verfahren und kit, um biologische substanzen in plasmamembran und/oder zytosol einzuführen |
KR20010085743A (ko) * | 1998-08-31 | 2001-09-07 | 추후제출 | 지질 매트릭스 보조 화학결합 및 막 폴리펩티드의 합성 |
JP3665720B2 (ja) * | 1999-09-24 | 2005-06-29 | 株式会社東芝 | センサデバイス |
DE60213948T2 (de) * | 2001-01-18 | 2007-03-08 | Newcastle University Ventures Ltd. | Biosensor mit kovalent gebundenen membranüberspannenden proteinen |
EP1504114B1 (en) | 2002-05-10 | 2017-07-12 | The Texas A & M University System | Stochastic sensing through covalent interactions |
JP4394916B2 (ja) * | 2003-09-19 | 2010-01-06 | 独立行政法人科学技術振興機構 | 人工脂質二重膜の形成装置および人工脂質二重膜の形成方法、並びにその利用 |
US8039247B2 (en) * | 2004-01-21 | 2011-10-18 | Japan Science And Technology Agency | Method of forming planar lipid double membrane for membrane protein analysis and apparatus therefor |
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US8627531B2 (en) | 2001-09-04 | 2014-01-14 | Sharp Kabushiki Kaisha | Vacuum cleaner and device having ion generator |
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WO2006100484A2 (en) | 2006-09-28 |
ATE473438T1 (de) | 2010-07-15 |
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JP2008537106A (ja) | 2008-09-11 |
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