JP4328168B2 - 毛細管現象を利用する物質間の相互作用検出部と該検出部を用いる方法及びバイオアッセイ用基板 - Google Patents
毛細管現象を利用する物質間の相互作用検出部と該検出部を用いる方法及びバイオアッセイ用基板 Download PDFInfo
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
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Description
2,21,22 反応領域
3 吸入孔
4 外気連通孔
5a,5b 絶縁層
7,71,72 スペーサ
8 微粒子
9 疎水性層
10 バイオアッセイ用基板
D 検出用物質(例、DNAプローブ)
E1,E1 対向電極
T 標的物質(例、標的DNA)
L 水溶液(媒質)
Claims (12)
- 物質間の相互作用の場を提供する反応領域と、
該反応領域中に収容された媒質に対して電界印加可能に対向配置された少なくとも一対の対向電極と、
前記反応領域へ前記物質を含む媒質を毛細管現象によって送り込むための吸入孔及び外気連通孔と、
が設けられ、
前記対向電極の前記反応領域側表面は、絶縁膜で覆われている物質間の相互作用検出部。 - 前記吸入孔の上方開口部の周辺表面領域が疎水性である請求項1記載の物質間の相互作用検出部。
- 前記対向電極を構成する一方の第1電極の表面を、検出用物質の固定化表面とした請求項1または2に記載の物質間の相互作用検出部。
- 前記第1電極は透明な導電体から形成されている請求項3記載の物質間の相互作用検出部。
- 前記対向電極を構成する一方の第1電極の面積が、対向する他方の第2電極の面積よりも狭小に形成されている請求項1から4のいずれか一項に記載の物質間の相互作用検出部。
- 前記対向電極を構成する一方の第1電極の前記反応領域に臨む部分の面積が、対向する他方の第2電極の面積よりも狭小である請求項1から5のいずれか一項に記載の物質間の相互作用検出部。
- 前記対向電極を構成する一方の第1電極の表面が、粗面状又は凹凸状である請求項1から6のいずれか一項に記載の物質間の相互作用検出部。
- 前記対向電極を構成する一方の第1電極の表面に導電性の微粒子が分散されている請求項1から7のいずれか一項に記載の物質間の相互作用検出部。
- 請求項1から8のいずれか一項に記載の相互作用検出部が設けられたバイオアッセイ用基板。
- 物質間の相互作用の場を提供する反応領域と、
該反応領域中に収容された媒質に対して電界印加可能に対向配置され、前記反応領域側表面が絶縁膜で覆われた少なくとも一対の対向電極と、
前記反応領域へ前記物質を含む媒質を毛細管現象によって送り込むための吸入孔及び外気連通孔と、
が設けられている物質間の相互作用検出部を用いる方法であって、
所定の検出用物質を前記水溶液に含有させて前記反応領域中に送り込み、前記対向電極間に電界を印加しながら電極表面に前記検出用物質を固定化する検出用物質の固定化方法。 - 物質間の相互作用の場を提供する反応領域と、
該反応領域中に収容された媒質に対して電界印加可能に対向配置され、前記反応領域側表面が絶縁膜で覆われた少なくとも一対の対向電極と、
前記反応領域へ前記物質を含む媒質を毛細管現象によって送り込むための吸入孔及び外気連通孔と、
が設けられている物質間の相互作用検出部を用いる方法であって、
標的物質を前記水溶液に含有させて前記反応領域中に送り込む第1手順と、
前記対向電極間に電界を印加しながら、検出用物質が固定化された電極表面に対して前記標的物質を移動させる第2手順と、
検出用物質と標的物質との間の相互作用を進行させる第3手順と、
を含む物質間の相互作用促進方法。 - 前記第3手順では電界オフとする請求項11記載の物質間の相互作用促進方法。
Priority Applications (4)
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JP2003344862A JP4328168B2 (ja) | 2003-10-02 | 2003-10-02 | 毛細管現象を利用する物質間の相互作用検出部と該検出部を用いる方法及びバイオアッセイ用基板 |
US10/955,278 US20050112548A1 (en) | 2003-10-02 | 2004-09-30 | Unit for detecting interaction between substances utilizing capillarity, and method and bioassay substrate using the detecting unit |
EP04256070A EP1520623A3 (en) | 2003-10-02 | 2004-09-30 | Detecting interaction between substance |
CNA2004100921845A CN1603837A (zh) | 2003-10-02 | 2004-10-08 | 利用毛细管作用检测物质之间相互作用的装置,和使用该检测装置的方法和生物测定基质 |
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JP2003344862A JP4328168B2 (ja) | 2003-10-02 | 2003-10-02 | 毛細管現象を利用する物質間の相互作用検出部と該検出部を用いる方法及びバイオアッセイ用基板 |
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JP2005114372A JP2005114372A (ja) | 2005-04-28 |
JP4328168B2 true JP4328168B2 (ja) | 2009-09-09 |
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JP3670972B2 (ja) * | 2001-02-01 | 2005-07-13 | 日立ソフトウエアエンジニアリング株式会社 | 生体高分子検出装置 |
JP4230126B2 (ja) * | 2001-06-05 | 2009-02-25 | 富士フイルム株式会社 | 生物学的素材チップ |
JP2003021637A (ja) * | 2001-07-09 | 2003-01-24 | Fuji Photo Film Co Ltd | カバープレート付きdnaチップ |
JP4207528B2 (ja) * | 2001-10-24 | 2009-01-14 | 東レ株式会社 | 選択結合性物質の結合方法 |
-
2003
- 2003-10-02 JP JP2003344862A patent/JP4328168B2/ja not_active Expired - Fee Related
-
2004
- 2004-09-30 US US10/955,278 patent/US20050112548A1/en not_active Abandoned
- 2004-09-30 EP EP04256070A patent/EP1520623A3/en not_active Withdrawn
- 2004-10-08 CN CNA2004100921845A patent/CN1603837A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8404411B2 (en) | 2006-05-18 | 2013-03-26 | Mitsubishi Chemical Corporation | Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge |
Also Published As
Publication number | Publication date |
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JP2005114372A (ja) | 2005-04-28 |
US20050112548A1 (en) | 2005-05-26 |
EP1520623A2 (en) | 2005-04-06 |
EP1520623A3 (en) | 2005-11-30 |
CN1603837A (zh) | 2005-04-06 |
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