JP2007518071A - 生体分子のマーキング方法および装置 - Google Patents
生体分子のマーキング方法および装置 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00277—Apparatus
- B01J2219/0054—Means for coding or tagging the apparatus or the reagents
- B01J2219/00572—Chemical means
- B01J2219/00576—Chemical means fluorophore
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00788—Three-dimensional assemblies, i.e. the reactor comprising a form other than a stack of plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00851—Additional features
- B01J2219/00858—Aspects relating to the size of the reactor
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00873—Heat exchange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
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Abstract
Description
目的は、フルオレセインイソチオシアネート(FITC)を用いて(ヤギからの)抗ヒトIgG抗体をラベリングすることである。抗体(提供者:Sigma, Saint Louis)を0.1Mの炭酸水素ナトリウム緩衝液(pH8.5)(10mg/ml)に溶解した。10mgのFITC(提供者:Molecular Probes, Eugene)を1mlのDMSOに溶解した。さらに、反応を停止させるために、1.5Mのヒドロキシルアミン溶液(pH8.4)を調製した。
蛍光ラベルに付随の説明に記載されている常套のラベリング方法を、マイクロミキサーでの本発明のラベリングと比較する。
各場合において75μlの抗体溶液を含む2つのバッチを1.5mlの2つの反応容器に導入した。37.5μlの染料溶液を1のバッチ(A1)に添加し、10μlの染料をもう1つのバッチ(A2)に添加した。容器を室温で1時間、激しく振盪した。その後、各場合において100μlのヒドロキシルアミン溶液を添加し、容器を再び室温で20分間振盪した。その後、ゲル透過クロマトグラフィー(PD−10カラム、提供者:Amersham、溶離液:リン酸塩緩衝生理食塩水(PBS))を用いることによって遊離染料を除去した。
このようにして精製された抗体溶液を紫外(UV)/可視(Vis)分光法によって分析した。
図2に示す2つのシリンジ(1、2)を、キャピラリーを介してマイクロミキサー(3)に接続した。加えて、図3に示すフラッシュラインをシリンジのうちの1つのキャピラリーに取り付け、クランプを用いて初めに閉じた状態にした。このフラッシュラインを(二重に蒸留した)水が供給されるHPLCポンプに取り付けた。続いてマイクロミキサー(3)を28cmの長さのキャピラリー(4)に接続した。キャピラリーの端に、反応溶液を収集する収集容器(5)を備えた。
抗体溶液および染料溶液をそれぞれ1mlのシリンジに吸い込み、各場合においてシリンジポンプ(6)および(7)のうちの1つにクランプした。
75μlのプロテイン溶液(流量:150μl/min)および37.5μlの染料溶液(流量:75μl/min)を30秒以内にミキサーに計量供給した。その後、フラッシュラインのクランプを開け、依然としてキャピラリー内に存在する溶液を流量0.2μl/minでHPLCポンプを用いて押し出した。収集容器(5)を閉じて室温で1時間振った。
75μlのプロテイン溶液(流量:150μl/min)および10μlの染料溶液(流量:20μl/min)を30秒以内にミキサーに計量供給した。その後はB1に記載のようにバッチを処理した。
この実施例で示す反応では、プロテインに蛍光ラベルを付与する。蛍光ラベルのNHSエステルを用いて、プロテイン中に存在するアミノ酸リジンのε−アミノ基と非特異的に反応させた。
Claims (8)
- 遊離反応基を有する生体分子を、反応して共有結合を形成するラベル化合物によってラベリングする方法であって、両方の化合物の溶液をマイクロミキサー、好ましくはスタティックミキサーに所定量の流量で供給し、ミキサーにおいて激しく混合し、次いで反応混合物を必要に応じて滞留構造体に供給し、該構造体の体積および反応混合物の流量に応じて所定の時間放置し、反応条件に応じて所定の時間の後に反応を終了させることを特徴とする方法。
- 遊離反応基は、アミノ、チオール、アルコール、アルデヒド/ケトンおよび/またはカルボン酸基であることを特徴とする、請求項1に記載の方法。
- 生体分子は、プロテイン、核酸および/または単糖類であることを特徴とする、請求項1および/または2に記載の方法。
- 100μmより小さいチャンネル幅を有するマイクロミキサーを用いることを特徴とする、請求項1〜3のいずれかに記載の方法。
- 用いるマイクロミキサーは、マルチラミネーションミキサーまたは分割・再合流型ミキサーであることを特徴とする、請求項1〜4のいずれかに記載の方法。
- 用いる滞留構造体は、所定の体積または均一な流れを伴う他の体積もしくは均一な流れを伴うアレンジメントを有するキャピラリーであることを特徴とする、請求項1〜5のいずれかに記載の方法。
- 用いる滞留構造体において反応混合物を循環させてポンピングし、マイクロミキサーが必要に応じてサーキット内に挿入されていることを特徴とする、請求項1〜6のいずれかに記載の方法。
- 請求項1〜7のうちの1つ又は複数に記載の方法を実施するための装置。
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DE10350484A DE10350484B4 (de) | 2003-12-20 | 2003-12-20 | Verfahren und Vorrichtung zur Markierung von Proteinen |
PCT/EP2004/012172 WO2005064335A2 (de) | 2003-12-20 | 2004-10-28 | Verfahren und vorrichtung zur markierung von biomolekülen |
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JP2007518071A true JP2007518071A (ja) | 2007-07-05 |
JP2007518071A5 JP2007518071A5 (ja) | 2007-12-13 |
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US (1) | US20080058506A1 (ja) |
EP (1) | EP1697747B1 (ja) |
JP (1) | JP2007518071A (ja) |
AT (1) | ATE416382T1 (ja) |
DE (2) | DE10350484B4 (ja) |
WO (1) | WO2005064335A2 (ja) |
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DE102005049294C5 (de) | 2005-10-14 | 2012-05-03 | Ehrfeld Mikrotechnik Bts Gmbh | Verfahren zur Herstellung organischer Peroxide mittels Mikroreaktionstechnik |
CN111246936B (zh) * | 2017-10-25 | 2022-05-03 | 深圳华大生命科学研究院 | 用于核酸合成的微流控芯片 |
CN108927082A (zh) * | 2018-07-03 | 2018-12-04 | 江苏省原子医学研究所 | 一种氟化铝标记的微流反应装置 |
Citations (1)
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JPH11510595A (ja) * | 1995-06-07 | 1999-09-14 | バイオセプラ,インコーポレイテッド | 螢光分光光度計測による流体中の所期の溶質のオンライン検出 |
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US5244816A (en) * | 1989-10-11 | 1993-09-14 | Akzo N.V. | Method for purifying chelator conjugated compounds |
DE4408729A1 (de) * | 1994-03-15 | 1995-09-21 | Hoechst Ag | Nichtcyclische Chelatbildner auf Basis von Aminodialkylphosphoroxiden zur Herstellung von Technetium- oder Rheniumkomplexen |
US6001229A (en) * | 1994-08-01 | 1999-12-14 | Lockheed Martin Energy Systems, Inc. | Apparatus and method for performing microfluidic manipulations for chemical analysis |
CA2263985A1 (en) * | 1996-08-28 | 1998-03-05 | Immunomedics, Inc. | Stable radioiodine conjugates and methods for their synthesis |
PT990047E (pt) * | 1997-07-22 | 2003-10-31 | Qiagen Genomics Inc | Metodos e composicoes para a analise de acidos nucleicos por espectroscopia de massa. |
DE19840489A1 (de) * | 1998-09-04 | 2000-03-09 | Basf Ag | Wirkstoffzubereitungen sowie ein Verfahren zu deren Herstellung |
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2003
- 2003-12-20 DE DE10350484A patent/DE10350484B4/de not_active Expired - Fee Related
-
2004
- 2004-10-28 AT AT04790945T patent/ATE416382T1/de not_active IP Right Cessation
- 2004-10-28 EP EP04790945A patent/EP1697747B1/de not_active Expired - Lifetime
- 2004-10-28 DE DE502004008602T patent/DE502004008602D1/de not_active Expired - Lifetime
- 2004-10-28 JP JP2006544232A patent/JP2007518071A/ja active Pending
- 2004-10-28 WO PCT/EP2004/012172 patent/WO2005064335A2/de active Application Filing
- 2004-10-28 US US10/583,524 patent/US20080058506A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11510595A (ja) * | 1995-06-07 | 1999-09-14 | バイオセプラ,インコーポレイテッド | 螢光分光光度計測による流体中の所期の溶質のオンライン検出 |
Non-Patent Citations (1)
Title |
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JPN5006020056, SPIKMANS VALERIE, RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM, 2002, V16 N14, P1377−1388 * |
Also Published As
Publication number | Publication date |
---|---|
DE502004008602D1 (de) | 2009-01-15 |
EP1697747B1 (de) | 2008-12-03 |
ATE416382T1 (de) | 2008-12-15 |
DE10350484A1 (de) | 2005-07-28 |
WO2005064335A3 (de) | 2005-09-22 |
WO2005064335A2 (de) | 2005-07-14 |
EP1697747A2 (de) | 2006-09-06 |
DE10350484B4 (de) | 2006-02-02 |
US20080058506A1 (en) | 2008-03-06 |
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