JP2005283308A - プローブアレイの製造方法 - Google Patents
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Abstract
【解決手段】 プローブ固定化面110を有する可撓性シート状部材11を、プローブ固定化面110が内周面を構成するように円筒状に成形する。
【選択図】 図3
Description
図1及び図2はプローブ固定化面を有する可撓性シート状部材の斜視図、図3は第一実施形態に係る製造方法により製造されるプローブアレイの斜視図、図4は第二実施形態に係る製造方法により製造されるプローブアレイの斜視図である。
第一実施形態に係る製造方法は、プローブアレイ1a(図3参照)の製造方法であって、プローブ固定化面110を有する可撓性シート状部材11(図1及び図2参照)を、プローブ固定化面110が内周面を構成するように円筒状に成形する工程を含む。
可撓性シート状部材11は、プローブ固定化面110が内周面を構成する限り、円筒状以外の筒状(例えば角筒状)に成形してもよい。
可撓性シート状部材11の代わりに、プローブ群P1〜Pnが順次固定された可撓性シート状部材11’(図5参照)を使用してもよい。この場合、図5に示すように、可撓性シート状部材11’を円筒状に成形した後、プローブ群P1〜Pnが含まれるように成形体を切断することにより、プローブアレイ1aを製造することができる。
第二実施形態に係る製造方法は、プローブアレイ1b(図4参照)の製造方法であって、プローブ固定化面110を有する可撓性シート状部材11(図1及び図2参照)を、プローブ固定化面110が円筒状部材12の中空部に露出するように、円筒状部材12の内周面に密着させる工程を含む。
円筒状部材12の材質は、液体試料に不溶性である材質である限り特に限定されるものではなく、例えば、上記熱可塑性樹脂等のプラスチック;鉄、銅、アルミニウム等の金属;ガラス;セラミックス;これらの複合材料等が挙げられる。
円筒状部材12の代わりに、円筒状以外の筒状(例えば角筒状等)の部材を使用してもよい。
(1)プラスチックフィルム上へのプローブDNAの固定
厚さ50μmのポリエチレンテレフタレートフィルム(以下「PETフィルム」という。)を3cm×1cmの大きさに切断し、ポリL−リジン溶液(濃度:0.01%、溶媒:0.1×PBS)に浸して、1時間振盪した。次いで、超純水中で4回激しく洗浄し、余分なポリL−リジンを洗い流した。次いで、バキュームオーブンによりPETフィルムを60℃で4時間乾燥させ、ポリL−リジンをPETフィルムに密着させた。
上記(1)で作製したプローブDNA固定化PETフィルムを、プローブDNA固定化面が内周面を構成するように筒状に丸め、内径3mm、長さ3cmで厚み100μmのPET製透明プラスチック筒に挿入した。
上記(2)で作製したプラスチックキャピラリーの中空部に、標的オリゴヌクレオチドを含むハイブリダイゼーション溶液(標的オリゴヌクレオチド濃度:1pmol/μL、イーストtRNA濃度:1μg/μL、溶媒:0.2%SDS含有3×SSC)100μLを吸い上げ、プラスチックキャピラリーの両端をパラフィルムで閉じて40℃の恒温槽内で一晩加温した。なお、標的オリゴヌクレオチドとしては5’末端にビオチンを結合させた22merのポリ(dT)を使用した。
恒温槽からプラスチックキャピラリーを取り出し、ハイブリダイゼーション溶液を排出した後、非特異的に吸着した標的オリゴヌクレオチドを洗い流すために、プラスチックキャピラリーの中空部を洗浄バッファー1(2×SSC、0.1%SDS)で満たして10秒間放置した。洗浄バッファー1を排出した後、洗浄バッファー2(1×SSC)を満たして10秒間放置し排出する操作を3回繰り返した。次いで、洗浄バッファー3(0.2×SSC)についても洗浄バッファー2と同様の操作を行った。
プラスチックキャピラリーの中空部をブロッキング溶液(1%カゼイン、3×SSC)で満たし、室温で30分間ブロッキングを行った。ブロッキング溶液を排出した後、ストレプトアビジン/アルカリフォスファターゼ複合体溶液(原液を0.2M NaCl、0.1M Tris−HCl(pH7.4)、0.05% Triton−X、1% カゼイン溶液で2000倍に希釈したもの)を満たし、室温で30分間反応させた。ストレプトアビジン/アルカリフォスファターゼ複合体溶液を排出した後、緩衝液A(0.2M NaCl、0.1M Tris−HCl(pH7.4)、0.05% Triton−X)を満たし、5分間放置した後、排出した。これを2回繰り返し、標的オリゴヌクレオチドに結合しているビオチンに結合しなかったストレプトアビジン/アルカリフォスファターゼ複合体を除去した。次いで、緩衝液B(0.2M NaCl、0.1M Tris−HCl(pH7.4))を満たして10秒間放置した後、排出した。最後に基質溶液(緩衝液B 10mL、BCIP(5−ブロモ−4−クロロ−3−インドリルフォスフェート)溶液9μL、NBT(ニトロブルーテトラゾリウム)溶液18μL)を満たし、室温で3時間放置し、発色反応を行った。
11・・・可撓性シート状部材
110・・・プローブ固定化面
P1〜Pn・・・プローブ群
12・・・円筒状部材
Claims (2)
- 筒状部材と前記筒状部材の中空部に配列したプローブとを備えたプローブアレイの製造方法であって、
プローブ固定化面を有する可撓性シート状部材を、前記プローブ固定化面が内周面を構成するように筒状に成形する工程を含む前記製造方法。 - 筒状部材と前記筒状部材の中空部に配列したプローブとを備えたプローブアレイの製造方法であって、
プローブ固定化面を有する可撓性シート状部材を、前記プローブ固定化面が前記筒状部材の中空部に露出するように、前記筒状部材の内周面に密着させる工程を含む前記製造方法。
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JP2004097232A JP2005283308A (ja) | 2004-03-29 | 2004-03-29 | プローブアレイの製造方法 |
US11/091,714 US20050251046A1 (en) | 2004-03-29 | 2005-03-29 | Probe array producing method |
EP05251930A EP1582255A1 (en) | 2004-03-29 | 2005-03-29 | Probe array producing method |
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JP2004097232A JP2005283308A (ja) | 2004-03-29 | 2004-03-29 | プローブアレイの製造方法 |
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US9852727B2 (en) | 2010-04-28 | 2017-12-26 | Insightec, Ltd. | Multi-segment ultrasound transducers |
US8932237B2 (en) | 2010-04-28 | 2015-01-13 | Insightec, Ltd. | Efficient ultrasound focusing |
US9981148B2 (en) | 2010-10-22 | 2018-05-29 | Insightec, Ltd. | Adaptive active cooling during focused ultrasound treatment |
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US6297062B1 (en) * | 1996-03-07 | 2001-10-02 | Bio-Magnetics Ltd. | Separation by magnetic particles |
WO1997046313A1 (en) * | 1996-06-07 | 1997-12-11 | Eos Biotechnology, Inc. | Immobilised linear oligonucleotide arrays |
US6875620B1 (en) * | 1996-10-31 | 2005-04-05 | Agilent Technologies, Inc. | Tiling process for constructing a chemical array |
JP3938982B2 (ja) * | 1997-08-29 | 2007-06-27 | オリンパス株式会社 | Dnaキャピラリィ |
KR100785098B1 (ko) * | 2000-01-17 | 2007-12-12 | 바이오 스트랜드 인코포레이티드 | 집적 지지체, 집적 미소 용기, 및 투과막, 및 그것들의제조 방법 및 사용 방법 |
US7390457B2 (en) * | 2002-10-31 | 2008-06-24 | Agilent Technologies, Inc. | Integrated microfluidic array device |
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2005
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EP1582255A1 (en) | 2005-10-05 |
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