JPH08501146A - 消失性波光学的バイオセンサ分析における測定精度の向上方法 - Google Patents
消失性波光学的バイオセンサ分析における測定精度の向上方法Info
- Publication number
- JPH08501146A JPH08501146A JP6501261A JP50126194A JPH08501146A JP H08501146 A JPH08501146 A JP H08501146A JP 6501261 A JP6501261 A JP 6501261A JP 50126194 A JP50126194 A JP 50126194A JP H08501146 A JPH08501146 A JP H08501146A
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54366—Apparatus specially adapted for solid-phase testing
- G01N33/54373—Apparatus specially adapted for solid-phase testing involving physiochemical end-point determination, e.g. wave-guides, FETS, gratings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Landscapes
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- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.試料内の配位子の光学的バイオセンサ分析における測定精度の向上方法であ って、 i)表面(「測定面」)に接触する試料を恒温保持する工程であって;該表面 は使用する分析技術に適した直接的或いは間接的に不動化した試薬(「測定試薬 」)を担持すると共に、試料中に存在する配位子の量から独立して検出可能な信 号を測定面で発生させる量の直接的或いは間接的に不動化された種(「基準試薬 」)を担持し、試料の前記恒温保持の前或いは恒温保持中或いは恒温保持後に、 使用する分析技術に適した方法により前記基準信号を測定してなる工程と; ii)上記工程i)の試料の恒温保持と同時或いはその後に、使用する分析技 術に適した1つまたは複数の補助試薬を導入し、試料内に配位子が存在すれば、 前記測定試薬及び前記配位子及び/或いは前記補助試薬を含む複合体が形成され 、これにより試料内の配位子の量(存在した場合)の第1の関数と成る検出可能 な信号を発生させる工程と; iii)次いで、使用する分析技術に適した方法によって測定面から発生する 前記信号(「分析信号」)を監視し、前記基準信号を分析信号と比較し、それに より試料内に分析対象の配位子が存在するか否か、及び/或いはどの程度存在す るかを適切なアルゴリズムを用いて測定する工程と; よりなる、光学的バイオセンサ分析における測定精度の向上方法。 2.iv)前記工程i)の恒温保持と同時に或いはその後に、使用する分析技術 に適した試薬(「較正試薬」)が不動化された1つ或いは複数の別の表面(較正 面)で試料を(望むのであれば1つ或いは複数の補助試薬と共に)恒温保持する 工程と;前記較正試薬はゼロ或いはゼロでない信号を発生させるか、或いは前記 配位子及び/或いは補助試薬を含む複合体を形成するものであり、これにより前 記複合体はゼロでない信号を発生させ(かかる複合体が存在しない場合には配位 子が存在すればかかる信号を発生させ)、前記信号は前記試料 に存在する配位子(存在すれば)の量の第2の関数、或いはその量から独立した 信号であり; v)前記較正面から発生した信号(「較正信号」)を監視する工程と; vi)次いで、前記較正信号を、前記分析信号及び基準信号の両方と比較し、 前記分析信号及び基準信号により得られた分析対象の配位子が試料内に存在する 程度の測定値をアルゴリズムを用いて較正する工程と;を更に有してなる、請求 の範囲第1項記載の方法。 3.前記分析は競合分析であって、 前記工程i)及びii)において、 a)補助試薬として標識化された配位子アナログが存在すると共に、前記測定 試薬(或いはオプションとして、該測定試薬と予め複合されているか或いは該測 定試薬を含む複合体を形成可能な補助試薬)が分析対象の配位子の特異の結合パ ートナであるか、或いは、 b)分析対象の配位子に特異の標識化された結合パートナが補助試薬として存 在すると共に前記測定試薬(或いはオプションとして、該測定試薬と予め複合さ れているか或いは該測定試薬を含む複合体を形成可能な補助試薬)が配位子アナ ログであるか、の何れかであり、 前記工程iv)において(該当する場合には)、 a)標識化した配位子アナログが補助試薬として存在すると共に、前記較正試 薬(或いはオプションとして該較正試薬と予め複合されているか或いは該較正試 薬を含む複合体を形成可能な補助試薬)が分析対象の配位子に特異の結合パート ナであるか、或いは、 b)分析対象の配位子に特異の標識化された結合パートナが補助試薬として存 在すると共に、較正試薬(或いはオプションとして、該較正試薬と予め複合され ているか或いは該較正試薬を含む複合体を形成可能な補助試薬)が配位子アナロ グであるか、或いは c)分析対象の配位子とは別の標識化された配位子が補助試薬として存在す ると共に、較正試薬(或いはオプションとして、該較正試薬と予め複合されてい るか或いは該較正試薬を含む複合体を形成可能な補助試薬)が分析対象の配位子 とは別の、配位子に特異の結合パートナであるか、或いは d)前記較正試薬が存在する何れの補助試薬にも非特異の結合パートナである か、或いは e)前記較正試薬が補助試薬の存在を必要とせずに希望のゼロ或いはゼロでな い信号を発生させるか、の何れかであることを特徴とする、請求の範囲第1或い は2項記載の方法。 4.前記分析はサンドイッチ分析であって、 前記工程i)及びii)において、分析対象の配位子に特異の標識化された結 合パートナが補助試薬として存在すると共に、前記測定試薬(或いはオプション として、該測定試薬と予め複合されているか或いは該測定試薬を含む複合体を形 成可能な補助試薬)が分析対象の前記配位子に特異の別の結合パートナであり、 その別の結合パートナは前記オプションとして標識化された特異の結合パートナ の向けられたエピトープとは異なる分析対象の配位子のエピトープに向けられ、 前記工程iv)において(該当する場合には)、 a)前記較正試薬(或いはオプションとして、該較正試薬と予め複合されてい るか或いは該較正試薬を含む複合体を形成可能な補助試薬)が分析対象の配位子 に特異の結合パートナであり、分析対象の前記配位子の標識化された特異の結合 パートナが補助試薬として存在すると共に、標識化された特異の結合パートナと 予め複合した分析対象の既知量の配位子が更に別の補助試薬として存在するか、或いは b)分析対象の配位子に特異の標識化された結合パートナが補助試薬として存 在すると共に、較正試薬(或いはオプションとして、該較正試薬と予め複合され ているか或いは該較正試薬を含む複合体を形成可能な補助試薬)が不動化された 特異の結合パートナに予め複合した既知量の分析対象の配位子であるか、或いは c)分析対象の配位子とは別の配位子が補助試薬として存在すると共に、較正 試薬(或いはオプションとして、該較正試薬と予め複合されているか或いは該較 正試薬を含む複合体を形成可能な補助試薬)が分析対象の配位子とは別の配位子 に特異の標識化された結合パートナであるか、或いは d)前記較正試薬が存在するいずれの補助試薬にも非特異の標識化された結合 パートナであるか、或いは e)前記較正試薬が補助試薬の存在を必要とせずに希望のゼロ或いはゼロでな い信号を発生させるか、の何れかであることを特徴とする、請求の範囲第1項或 いは2項記載の方法。 5.前記基準信号及び分析信号を遅延測定することを特徴とする、請求の範囲第 1項乃至4項の何れか―らに記載の方法。 6.前記基準信号、分析信号及び較正信号は存在する場合には、蛍光、燐光或い は発光信号であることを特徴とする、請求の範囲第1項乃至5項の何れか一つに 記載の方法。 7.前記基準試薬に使用する標識は、補助試薬に担持されるものと同じであるこ とを特徴とする、請求の範囲第1項乃至第6項の何れか一つに記載の方法。 8.請求の範囲第1項に記載の方法への使用に適したバイオセンサ装置であって 、該装置は請求の範囲第1項で限定した測定試薬を担持する測定面よりなるバイ オセンサ装置。 9.請求の範囲第2項に記載の方法への使用に適した請求の範囲第8項に記載の バイオセンサ装置であって、該装置は、測定面から離れた1つ或いは複数の較正 面を有し、前記各較正面は請求の範囲第2項に記載の適当な較正試薬を坦持して なる、バイオセンサ装置。 10.前記装置は1つ或いは複数のキャビティーを有する、特有な反応を示す試 料の取集及び試験装置であり、前記各キャビティーの1つの面はゾーンIを有し 、該ゾーンは所望の分析に適した離脱可能な補助試薬からなる層を坦持し、 前記面は透明な材料で形成された第1固体プレートの面であり、該第1固体プレ ートに対向する前記キャビティの壁部は透明な材料より形成されて透光性の導波 管として関数する第2プレートからなり、該第2プレートの前記キャビティに隣 接する面は前記ゾーンIに対応して配向させられたゾーンIIを有し、ゾーンI Iは、所望の分析に適し、共に請求の範囲第1項に記載される、ランダムに分配 された、不動化測定試薬及び不動化基準試薬を坦時することを特徴とする、請求 の範囲第8項記載の装置。 11.前記第1プレート上に、所望の分析に適した補助試薬を溶解及び離脱自在 な形態で有する層を坦持した1つ或いは複数の更に別のゾーンを坦持し、前記第 2プレート上にも、1つ或いは複数の更に別のゾーンを坦持し、これら後者の各 ゾーンは、前記第1プレート上の前記更に別のゾーンの1つに対応して配向させ られると共に、請求の範囲第2項記載の不動化された較正試薬よりなる層を坦持 してなる、請求の範囲第2項に記載の方法への使用に適した請求の範囲第10項 記載の装置。 12.前記第1プレートは前記該キャビティーから離れた面に光吸取材料或いは 不透明材料の層を坦持してなる、請求の範囲第10或いは第11項記載の装置。 13.(a)多数の前記装置の一部を提供するシート材の表面に、請求の範囲第 10項記載のゾーンIにより坦持される適切な試薬のパッチを形成する工程と; (b)別の構造体の表面に、請求の範囲第1項に記載の測定試薬及び基準試薬の 不動化を含めて、請求の範囲第10項に記載のゾーンIIに坦持される適切な試 薬のパッチを形成し、前記別の構造体は、適切な試薬の前記層と接触させて或る 容積の試料液体を取集・保持すべく、前記シート材と共に、前記多数の装置のそ れぞれに好ましくは毛管作用をなす寸法のキャビティを提供する工程と; (c)前記シート材を、それぞれが1つ或いは複数の前記試料取集及び試験装 置を提供する複数の部分に分離する工程と;よりなり、 必要であれば、更に、前記シート材の表面上の前記更に別のゾーンに適切な試 薬のパッチを形成する工程と、前記別の構造体の前記表面上の前記更に別のゾー ンに、請求の範囲第2項記載の較正試薬を不動化する工程と、を有してなる、請 求の範囲第10或いは11項に記載の特有の反応を示す試料の取集及び試験装置 の製造方法。 14.請求の範囲第1項乃至7項の何れか一つに記載の分析方法での使用に適し た装置であって、請求の範囲第8項乃至第12項の何れか一つに記載の装置と; 使用時に放射線が前記装置に進入して、装置内の光学的に標識化された種を励起 するよう配置可能な放射線源と;放出される放射線を監視する手段と、を含む装 置。 15.請求の範囲第8乃至12項の何れか一つに記載の装置と、適切な補助試薬 とよりなり、請求の範囲第1乃至7項の何れか一つに記載の分析方法を実行する ためのキット。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB929212302A GB9212302D0 (en) | 1992-06-10 | 1992-06-10 | Method for improving measurement precision in evanescent wave optical biosensor assays |
| GB9212302.5 | 1992-06-10 | ||
| PCT/GB1993/001217 WO1993025908A1 (en) | 1992-06-10 | 1993-06-09 | Method for improving measurement precision in evanescent wave optical biosensor assays |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08501146A true JPH08501146A (ja) | 1996-02-06 |
| JP3535158B2 JP3535158B2 (ja) | 2004-06-07 |
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|---|---|---|---|
| JP50126194A Expired - Fee Related JP3535158B2 (ja) | 1992-06-10 | 1993-06-09 | 消失性波光学的バイオセンサ分析における測定精度の向上方法 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5631170A (ja) |
| EP (1) | EP0649535B1 (ja) |
| JP (1) | JP3535158B2 (ja) |
| AT (1) | ATE137023T1 (ja) |
| AU (1) | AU667728B2 (ja) |
| CA (1) | CA2137654C (ja) |
| DE (1) | DE69302273T2 (ja) |
| DK (1) | DK0649535T3 (ja) |
| ES (1) | ES2086230T3 (ja) |
| GB (1) | GB9212302D0 (ja) |
| GR (1) | GR3019992T3 (ja) |
| WO (1) | WO1993025908A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL68506A (en) * | 1982-05-04 | 1988-06-30 | Syva Co | Simultaneous calibration heterogeneous immunoassay method and device and kit for use therein |
| US4447546A (en) * | 1982-08-23 | 1984-05-08 | Myron J. Block | Fluorescent immunoassay employing optical fiber in capillary tube |
| US4791056A (en) * | 1984-03-27 | 1988-12-13 | Syntex (U.S.A.) Inc. | Calibration device for heterogeneous immunoassay |
| DE3588124T2 (de) * | 1984-06-13 | 1997-02-20 | Applied Research Systems | Vorrichtung, mit Verwendung in chemischen Prüfverfahren |
| US4775637A (en) * | 1984-12-10 | 1988-10-04 | Purtec Limited | An immunoassay apparatus having at least two waveguides and method for its use |
| GB8911462D0 (en) * | 1989-05-18 | 1989-07-05 | Ares Serono Res & Dev Ltd | Devices for use in chemical test procedures |
| JPH0372262A (ja) * | 1989-08-11 | 1991-03-27 | Daikin Ind Ltd | 光学的測定装置 |
| GB9025471D0 (en) * | 1990-11-22 | 1991-01-09 | Ares Serono Res & Dev Ltd | Method of assay |
| US5340715A (en) * | 1991-06-07 | 1994-08-23 | Ciba Corning Diagnostics Corp. | Multiple surface evanescent wave sensor with a reference |
-
1992
- 1992-06-10 GB GB929212302A patent/GB9212302D0/en active Pending
-
1993
- 1993-06-09 DK DK93913322.9T patent/DK0649535T3/da active
- 1993-06-09 WO PCT/GB1993/001217 patent/WO1993025908A1/en not_active Ceased
- 1993-06-09 CA CA002137654A patent/CA2137654C/en not_active Expired - Fee Related
- 1993-06-09 EP EP93913322A patent/EP0649535B1/en not_active Expired - Lifetime
- 1993-06-09 AT AT93913322T patent/ATE137023T1/de not_active IP Right Cessation
- 1993-06-09 DE DE69302273T patent/DE69302273T2/de not_active Expired - Fee Related
- 1993-06-09 JP JP50126194A patent/JP3535158B2/ja not_active Expired - Fee Related
- 1993-06-09 ES ES93913322T patent/ES2086230T3/es not_active Expired - Lifetime
- 1993-06-09 AU AU43435/93A patent/AU667728B2/en not_active Ceased
- 1993-06-09 US US08/351,338 patent/US5631170A/en not_active Expired - Lifetime
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1996
- 1996-05-20 GR GR960401367T patent/GR3019992T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU4343593A (en) | 1994-01-04 |
| DE69302273D1 (de) | 1996-05-23 |
| GB9212302D0 (en) | 1992-07-22 |
| EP0649535B1 (en) | 1996-04-17 |
| ES2086230T3 (es) | 1996-06-16 |
| GR3019992T3 (en) | 1996-08-31 |
| DE69302273T2 (de) | 1996-09-19 |
| ATE137023T1 (de) | 1996-05-15 |
| JP3535158B2 (ja) | 2004-06-07 |
| DK0649535T3 (da) | 1996-08-12 |
| EP0649535A1 (en) | 1995-04-26 |
| AU667728B2 (en) | 1996-04-04 |
| US5631170A (en) | 1997-05-20 |
| CA2137654A1 (en) | 1993-12-23 |
| CA2137654C (en) | 2005-09-27 |
| WO1993025908A1 (en) | 1993-12-23 |
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