JP3949056B2 - スプリット集中サイトメーター - Google Patents
スプリット集中サイトメーター Download PDFInfo
- Publication number
- JP3949056B2 JP3949056B2 JP2002579778A JP2002579778A JP3949056B2 JP 3949056 B2 JP3949056 B2 JP 3949056B2 JP 2002579778 A JP2002579778 A JP 2002579778A JP 2002579778 A JP2002579778 A JP 2002579778A JP 3949056 B2 JP3949056 B2 JP 3949056B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- channel
- reagent
- microfluidic device
- sample fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims abstract description 12
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- 239000003153 chemical reaction reagent Substances 0.000 claims description 17
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- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 claims description 3
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
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Images
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Description
本願は、2001年4月3日に出願された、米国仮特許出願番号60/281,114(この出願は、本明細書中に参考として援用される)の利益を主張する。
本発明は、一般に、分析試験を実施するための微小流体デバイスに関し、そして具体的には、化学反応および粒子集中の機能を単一の構造体に組み合わせる、マイクロサイトメーターに関する。
微小流体デバイスは、最近、分析試験を実施するために一般的になっている。エレクトロニクスを小型化するために半導体産業によって開発された道具を使用して、安価に製造される手段であり得る複雑な流体システムを製造することが可能になった。医学分野に関する情報の獲得のための、種々の分析技術を実施するためのシステムが、開発されている。
従って、本発明の課題は、化学反応および粒子集中の機能を組み合わせる、マイクロサイトメトリー構造体を提供することである。
ここで図1を参照すると、マイクロサイトメーターカートリッジ(一般に、10で示される)が示されている。カートリッジ10は、全血入口12を備え、この入口は、チャネル14に結合されている。溶解入口16が、チャネル18に結合される。チャネル14および18は、溶解注射器20において一緒になる。溶解注射器20の排出口が、溶解チャネル22に接続される。シース入口24が、チャネル26に結合され、これは、集中チャンバ28において、溶解チャネル22と合流する。チャンバ28の排出口は、サイトメーターチャネル30に導く。チャネル30は、出口チャネル32に結合し、このチャネルが、廃液チャンバ34に導く。
Claims (9)
- サンプル流体内に分散した粒子を分析するための微小流体デバイスであって、以下:
該サンプル流体の導入のための第一のチャネルに流体連結した第一の入口;
第一の試薬流体の導入のための第二のチャネルに流体連結した第二の入口;
反応器チャネルであって、該反応器チャネルは、該第一の試薬流体の二つのストリーム間の薄いリボンに、該サンプル流体が集中されるように、該第一のチャネルおよび該第二のチャネルに流体連結し、該反応器チャネルは、該サンプル流体と該第一の試薬流体との間の化学反応を可能にするのに十分な長さを有する、反応器チャネル;
シース流体の導入のための第三のチャネルに流体連結した第三の入口;
サイトメーターチャネルであって、該シース流体の二つのストリーム間の粒子の単一のファイルストリームに、該サンプル流体が集中されるように、該反応器チャネルおよび該第三のチャネルに流体連結した、サイトメーターチャネル;ならびに
検出領域
を備える、微小流体デバイス。 - 請求項1に記載の微小流体デバイスであって、ここで
前記サンプル流体が全血を含み;
前記粒子が白血球であり;そして
前記第一の試薬流体が溶解試薬を含む、微小流体デバイス。 - 前記溶解試薬が水である、請求項2に記載の微小流体デバイス。
- 前記シース流体がリン酸緩衝化生理食塩水である、請求項2に記載の微小流体デバイス。
- 前記サイトメーターチャネルに連結した廃液チャンバをさらに備える、請求項1に記載の微小流体デバイス。
- サンプル流体ないに分散した粒子を分析するための方法であって、以下:
該サンプル流体および第一の試薬流体を微小流体デバイスに導入する工程;
該サンプル流体を該第一の試薬流体の二つのストリーム間の薄いリボンに集中させる工程;
該サンプル流体および第一の試薬流体を、該微小流体デバイスの反応器チャネルを通して流す工程であって、該反応器チャネルは、該サンプル流体と該第一の試薬流体との間の化学反応を可能にするのに十分な長さを有する、工程
シース流体を該微小流体デバイスに導入する工程;
該サンプル流体を該シース流体の二つのストリーム間の粒子の単一のファイルストリームに集中させる工程;ならびに
該サンプル流体、第一の試薬流体およびシース流体を、該微小流体デバイスの検出領域を通過する該微小流体デバイスのサイトメーターチャネルを通して流す工程
を包含する、方法。 - 請求項6に記載の方法であって、ここで
前記サンプル流体が全血を含み;
前記粒子が白血球であり;
前記第一の試薬流体が溶解試薬を含む、方法。 - 前記溶解試薬が水である、請求項7に記載の方法。
- 前記シース流体がリン酸緩衝化生理食塩水である、請求項7に記載の方法。
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US28111401P | 2001-04-03 | 2001-04-03 | |
PCT/US2002/010508 WO2002082057A2 (en) | 2001-04-03 | 2002-04-03 | Split focusing cytometer |
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JP2004528556A JP2004528556A (ja) | 2004-09-16 |
JP2004528556A5 JP2004528556A5 (ja) | 2006-01-05 |
JP3949056B2 true JP3949056B2 (ja) | 2007-07-25 |
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JP2002579674A Pending JP2005509113A (ja) | 2001-04-03 | 2002-04-03 | ミクロ流体構造において使用するための空気バルブ界面 |
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JP2002579674A Pending JP2005509113A (ja) | 2001-04-03 | 2002-04-03 | ミクロ流体構造において使用するための空気バルブ界面 |
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JP (2) | JP3949056B2 (ja) |
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WO2002081934A2 (en) | 2002-10-17 |
US20020150502A1 (en) | 2002-10-17 |
DE60227649D1 (de) | 2008-08-28 |
US20050205816A1 (en) | 2005-09-22 |
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