JP4322956B2 - 送液装置及び送液方法 - Google Patents
送液装置及び送液方法 Download PDFInfo
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
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- G01N35/00029—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides
- G01N35/00069—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides whereby the sample substrate is of the bio-disk type, i.e. having the format of an optical disk
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/04—Exchange or ejection of cartridges, containers or reservoirs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
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- B01L2200/0621—Control of the sequence of chambers filled or emptied
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0803—Disc shape
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- B01L2300/00—Additional constructional details
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- B01L2300/0809—Geometry, shape and general structure rectangular shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0864—Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0409—Moving fluids with specific forces or mechanical means specific forces centrifugal forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0409—Moving fluids with specific forces or mechanical means specific forces centrifugal forces
- B01L2400/0412—Moving fluids with specific forces or mechanical means specific forces centrifugal forces using additionally coriolis forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/06—Valves, specific forms thereof
- B01L2400/0622—Valves, specific forms thereof distribution valves, valves having multiple inlets and/or outlets, e.g. metering valves, multi-way valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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Description
以下の手順を含む送液方法もまた、本発明の趣旨に含まれる。
分岐前チャンバと、
前記分岐前チャンバに接続された入口端部を備え、この入口端部から回転中心に対して離れる向きに延び、かつ前記入口端部と反対側に出口端部を備え、断面積が1μm 2 以上4mm 2 以下である誘導流路と、
前記分岐前チャンバよりも前記回転中心から離れた位置に設けられ、空気口を除いて空間的に閉じられ、前記誘導流路の前記出口端部が開口している向心方向の第1の壁面と、この第1の壁面と対向する遠心方向の第2の壁面と、この第2の壁面から前記第1の壁面へ向けて延びて複数の分岐室を画定する分離壁とを有し、少なくとも前記複数の分岐室の配置方向における前記誘導流路の前記出口端部からの前記第1の壁面の広がり角度が鈍角であり、かつ前記分離壁の先端は前記誘導流路の前記出口端部から遠心方向に延ばした仮想線の近傍に前記第1の壁面に対して間隔を隔てて配置されている、分岐チャンバと
を備える回転基体を準備し、
前記分岐前チャンバに血清を供給して、前記分岐前チャンバ内の血清を前記誘導流路の前記入口端部における毛細管力により保持させ、
前記回転基体を前記回転中心まわりに前記血清に作用する遠心力が前記毛細管力を上回るように1500rpm以上2000rpm以下の範囲の回転速度で回転させ、前記分岐前チャンバ内の前記血清を、前記誘導流路を介して、前記分離壁に対して前記回転基体の回転方向とは反対側に位置する前記分岐室に流入させる、送液方法。
図1から図3は、本発明の第1実施形態に係る送液装置11を示す。
図8に示す本発明の第2実施形態は、チャンバチップ17を血清中に含まれる抗原の一種であるCRP(C-reactive protein)の濃度を電気化学的に測定するバイオセンサとして構成した例である。
図1から図3に示す本発明の第1実施形態に係るチャンバチップ17を実際に製作して微小液体を選択的に分配する実験を行った。
12 回転基体
13 回転軸
14 モータ
15 駆動回路
16 回転基体本体
16a 収容孔
17 チャンバチップ
21 分岐前チャンバ
21a 壁面
22 分岐チャンバ
22a,22b 壁面
22c 分離壁
22d 先端
23 液体
24 誘導流路
24a 入口端部
24b 出口端部
26 注入口
27 空気口
29A,29B
36 上側基板
37 下側基板
41 微小要素
42A,42B 経路の曲がりを示す矢印
43 注入チャンバ
44 注入口
45 中間チャンバ
46A,46B 流路
47 流路
51A 固着CRP
53 ALP標識抗体
54 電気化学検出用酸化還元体
55A〜55C 電極
56 血清
A 仮想線
C 回転中心
Fca 毛細管力
Fco コリオリ力
Fg 遠心力
r 回転軸の径方向
R1 時計方向
R2 反時計方向
δ シフト量
θc 接触角
θe 広がり角度
Claims (5)
- 回転中心を有する回転可能な回転基体と、
前記回転基体に設けられ、液体が収容される分岐前チャンバと、
前記回転基体に形成され、前記分岐前チャンバに接続されて毛細管力により前記分岐前チャンバ内の前記液体を保持する入口端部を備え、この入口端部から前記回転中心に対して離れる向きに延び、かつ前記入口端部の反対側に出口端部を備える誘導流路と、
前記回転基体の前記分岐前チャンバよりも前記回転中心から離れた位置に設けられ、空気口を除いて空間的に閉じられ、前記誘導流路の前記出口端部が開口している向心方向の第1の壁面と、この第1の壁面と対向する遠心方向の第2の壁面と、この第2の壁面から前記第1の壁面へ向けて延びて複数の分岐室を画定する分離壁とを備え、少なくとも前記複数の分岐室の配置方向における前記誘導流路の前記出口端部からの前記第1の壁面の広がり角度が鈍角であり、かつ前記分離壁の先端は前記誘導流路の前記出口端部から遠心方向に延ばした仮想線の近傍に前記第1の壁面に対して間隔を隔てて配置されている、分岐チャンバと、
回転速度が1500rpm以上2000rpm以下の範囲で前記回転中心まわりに前記回転基体を回転させる回転駆動部と
を備え、
前記液体は血清であり、
前記誘導流路の断面積は、1μm2以上4mm2以下である、
送液装置。 - 前記第1の壁面の前記広がり角度は120度以上300度以下である、請求項1に記載の送液装置。
- 前記回転駆動部は、前記誘導流路の前記入口端部に保持された前記液体に前記毛細管力を上回る遠心力が作用する回転速度で前記回転基体を回転させ、前記分岐前チャンバ内の前記液体を、前記誘導流路を介して、前記分離壁に対して前記回転基体の回転方向とは反対側に位置する前記分岐室に流入させる、請求項1に記載の送液装置。
- 分岐前チャンバと、
前記分岐前チャンバに接続された入口端部を備え、この入口端部から回転中心に対して離れる向きに延び、かつ前記入口端部と反対側に出口端部を備え、断面積が1μm2以上4mm2以下である誘導流路と、
前記分岐前チャンバよりも前記回転中心から離れた位置に設けられ、空気口を除いて空間的に閉じられ、前記誘導流路の前記出口端部が開口している向心方向の第1の壁面と、この第1の壁面と対向する遠心方向の第2の壁面と、この第2の壁面から前記第1の壁面へ向けて延びて複数の分岐室を画定する分離壁とを有し、少なくとも前記複数の分岐室の配置方向における前記誘導流路の前記出口端部からの前記第1の壁面の広がり角度が鈍角であり、かつ前記分離壁の先端は前記誘導流路の前記出口端部から遠心方向に延ばした仮想線の近傍に前記第1の壁面に対して間隔を隔てて配置されている、分岐チャンバと
を備える回転基体を準備し、
前記分岐前チャンバに血清を供給して、前記分岐前チャンバ内の血清を前記誘導流路の前記入口端部における毛細管力により保持させ、
前記回転基体を前記回転中心まわりに前記血清に作用する遠心力が前記毛細管力を上回るように1500rpm以上2000rpm以下の範囲の回転速度で回転させ、前記分岐前チャンバ内の前記血清を、前記誘導流路を介して、前記分離壁に対して前記回転基体の回転方向とは反対側に位置する前記分岐室に流入させる、送液方法。 - 前記第1の壁面の前記広がり角度は120度以上300度以下である、請求項4に記載の送液方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2006190275 | 2006-07-11 | ||
JP2006190275 | 2006-07-11 | ||
PCT/JP2007/062695 WO2008007532A1 (fr) | 2006-07-11 | 2007-06-25 | Appareil et procédé de distribution de liquide |
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JP4322956B2 true JP4322956B2 (ja) | 2009-09-02 |
JPWO2008007532A1 JPWO2008007532A1 (ja) | 2009-12-10 |
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US (1) | US7749449B2 (ja) |
JP (1) | JP4322956B2 (ja) |
WO (1) | WO2008007532A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US7741121B2 (en) * | 2006-08-24 | 2010-06-22 | Siemens Medical Solutions Usa, Inc. | System for purification and analysis of radiochemical products yielded by microfluidic synthesis devices |
EP2209008B1 (en) * | 2007-10-04 | 2016-12-21 | Panasonic Healthcare Holdings Co., Ltd. | Analysis device, and analysis apparatus and method using the same |
US20100093098A1 (en) * | 2008-10-14 | 2010-04-15 | Siemens Medical Solutions | Nonflow-through appratus and mehod using enhanced flow mechanisms |
US8110148B2 (en) * | 2008-11-06 | 2012-02-07 | Siemens Medical Solutions Usa, Inc. | Apparatus and method using rotary flow distribution mechanisms |
EP2309266A1 (en) * | 2009-09-21 | 2011-04-13 | F. Hoffmann-La Roche AG | Method for carrying out reactions in an analytical device |
DE102013219492A1 (de) * | 2013-09-27 | 2015-04-02 | Robert Bosch Gmbh | Vorrichtung zur Handhabung von Flüssigkeiten |
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JP3910208B2 (ja) * | 2005-01-24 | 2007-04-25 | 松下電器産業株式会社 | 送液装置及び送液方法 |
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2007
- 2007-06-25 WO PCT/JP2007/062695 patent/WO2008007532A1/ja active Application Filing
- 2007-06-25 JP JP2008524746A patent/JP4322956B2/ja not_active Expired - Fee Related
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2008
- 2008-12-31 US US12/347,480 patent/US7749449B2/en not_active Expired - Fee Related
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Publication number | Publication date |
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US7749449B2 (en) | 2010-07-06 |
JPWO2008007532A1 (ja) | 2009-12-10 |
US20090118112A1 (en) | 2009-05-07 |
WO2008007532A1 (fr) | 2008-01-17 |
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