JPH10506190A - 光散乱により特異的結合事象を検出するための光導波路法 - Google Patents
光散乱により特異的結合事象を検出するための光導波路法Info
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- JPH10506190A JPH10506190A JP8511040A JP51104096A JPH10506190A JP H10506190 A JPH10506190 A JP H10506190A JP 8511040 A JP8511040 A JP 8511040A JP 51104096 A JP51104096 A JP 51104096A JP H10506190 A JPH10506190 A JP H10506190A
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- G—PHYSICS
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- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6813—Hybridisation assays
- C12Q1/6816—Hybridisation assays characterised by the detection means
- C12Q1/6825—Nucleic acid detection involving sensors
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6813—Hybridisation assays
- C12Q1/6834—Enzymatic or biochemical coupling of nucleic acids to a solid phase
- C12Q1/6837—Enzymatic or biochemical coupling of nucleic acids to a solid phase using probe arrays or probe chips
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
- G01N21/552—Attenuated total reflection
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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
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00583—Features relative to the processes being carried out
- B01J2219/00603—Making arrays on substantially continuous surfaces
- B01J2219/00646—Making arrays on substantially continuous surfaces the compounds being bound to beads immobilised on the solid supports
- B01J2219/00648—Making arrays on substantially continuous surfaces the compounds being bound to beads immobilised on the solid supports by the use of solid beads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00583—Features relative to the processes being carried out
- B01J2219/00603—Making arrays on substantially continuous surfaces
- B01J2219/00659—Two-dimensional arrays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/0068—Means for controlling the apparatus of the process
- B01J2219/00702—Processes involving means for analysing and characterising the products
- B01J2219/00707—Processes involving means for analysing and characterising the products separated from the reactor apparatus
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.流体試料中の1種以上の特異的結合分析物の存在又は量の検出方法であって 、 (a)(i)流体試料よりも大きい屈折率をもつ透明エレメントと、(ii)受光 縁部と、(iii)エレメントの表面の複数の部位に固定された少なくとも1個の 同系結合対の第1の特異的結合メンバーを含む反応表面(該反応表面の他の非部 位部分には特異的結合メンバーを固定しない)とを備える導波路デバイス(ここ で、前記第1の特異的結合メンバーは、所望により中間同系結合対を介して、少 なくとも1種の分析物と特異的に結合することが可能である)を準備する段階と 、 (b)前記1種以上の分析物を含む疑いのある試料と第2の同系結合対の特異的 結合メンバーに結合した光散乱ラベルとに反応表面を接触させ(ここで、該第2 の同系結合対の特異的結合メンバーは、所望により中間同系結合対を介して、サ ンドイッチアッセイの場合には前記1種以上の分析物と特異的に結合することが 可能であり、競合アッセイの場合には前記第1の同系結合対の固定化した第1の 特異的結合メンバーに結合すること が可能である)、試料中の分析物の量に比例して複数の部位に結合した光散乱ラ ベル複合体を形成する段階と、 (c)導波路の内部で内部全反射を生じるのに有効な光を導波路の受光縁部に照 射し、全反応表面を同時に照射する段階と、 (d)散乱光が存在する場合には前記表面の各部位及び非部位部分から実質的に 同時に散乱光を集光する段階と、 (e)各部位の光散乱度を(i)非部位部分の光散乱度、もしくは(ii)別の部 位の光散乱度、又はその両者と比較し、各部位の光散乱を該部位の固定化特異的 結合メンバーに特異的な分析物の存在又は量と相関させる段階を含む前記方法。 2.前記エレメントが種々の濃度の同一の固定化した第1の特異的結合メンバー を各々含む多重部位を含み、ある部位の光散乱度を別の部位の光散乱度と比較す ることを更に含む請求項1に記載の方法。 3.チャネル内に反応表面が形成されるような二次元毛管チャネルを形成するよ うに前記第1のエレメントに結合された第2の透明エレメントを更に含む請求項 1に記載の方法。 4.固定化した第1の特異的結合メンバーから分析物の解離を開始するように導 波路デバイスの反応表面の条件を変更する 追加の段階を段階(e)の後に含み、上記変更条件下で段階(c)、(d)及び (e)を繰り返す請求項1に記載の方法。 5.流体試料中の少なくとも1種の特異的結合分析物の存在又は近似量を視覚的 に検出するための方法であって、 (a)(i)流体試料よりも大きい屈折率をもつ透明エレメントと、(ii)受光 縁部と、(iii)エレメントの表面の少なくとも1個の試験部位に固定された少 なくとも1個の同系結合対の第1の特異的結合メンバーを含む反応表面(該反応 表面の他の非部位部分には特異的結合メンバーを固定しない)とを備える導波路 デバイス(ここで、前記第1の特異的結合メンバーは、所望により中間同系結合 対を介して、前記分析物と特異的に結合することが可能である)を準備する段階 と、 (b)前記分析物を含む疑いのある試料と第2の同系結合対の第1の特異的結合 メンバーに結合した光散乱ラベルとに反応表面を接触させ(ここで、該第2の同 系結合対の第1の特異的結合メンバーは、所望により中間同系結合対を介して、 サンドイッチアッセイの場合には前記分析物と特異的に結合することが可能であ り、競合アッセイの場合には前記固定化した第1の特異的結合メンバーに結合す ることが可能である)、試料中の分 析物の量に比例して部位に結合した光散乱ラベル複合体を形成する段階と、 (c)導波路の内部で内部全反射を生じるのに有効な光を導波路の受光縁部に照 射する段階と、 (d)反応表面の光散乱を視覚的に検査し、試験部位の光散乱度を(i)非部位 部分の光散乱度、もしくは(ii)別の部位の光散乱度、又はその両者と比較し、 上記部位の散乱を前記分析物の存在又は量と相関させる段階を含む前記方法。 6.前記エレメントが複数の試験部位を含み、前記複数の試験部位が異なる濃度 の同一の固定化した第1の特異的結合メンバーを各々含むか、又は前記複数の試 験部位が別個の固定化した第1の特異的結合メンバーを各々含む請求項5に記載 の方法。 7.チャネル内に反応表面が形成されるような二次元毛管チャネルを形成するよ うに前記第1のエレメントに結合された第2の透明エレメントを更に含む請求項 5に記載の方法。 8.固定化した第1の特異的結合メンバーから分析物の解離を開始するように導 波路デバイスの反応表面の条件を変更する追加の段階を段階(d)の後に含み、 上記変更条件下で段階(c)及び(d)を繰り返す請求項5に記載の方法。 9.流体試料中の少なくとも1種の特異的結合分析物の存在又は量を検出するた めの方法であって、 (a)(i)流体試料よりも大きい屈折率をもつ透明エレメントと、(ii)受光 縁部と、(iii)エレメントの表面の1部位に固定された少なくとも1個の同系 結合対の第1の特異的結合メンバーを含む反応表面(該反応表面の他の非部位部 分には特異的結合メンバーを固定しない)とを備える導波路デバイス(ここで、 前記第1の特異的結合メンバーは、所望により中間同系結合対を介して、前記分 析物と特異的に結合することが可能である)を準備する段階と、 (b)前記分析物を含む疑いのある試料と第2の同系結合対の第1の特異的結合 メンバーに結合した光散乱ラベルとに反応表面を接触させ(ここで、該第2の同 系結合対の第1の特異的結合メンバーは、所望により中間同系結合対を介して、 サンドイッチアッセイの場合には前記分析物と特異的に結合することが可能であ り、競合アッセイの場合には前記固定化した第1の特異的結合メンバーに結合す ることが可能である)、試料中の分析物の量に比例して前記部位に結合した光散 乱ラベル複合体を形成する段階と、 (c)導波路の内部で内部全反射を生じるのに有効な光を導波路の受光縁部に照 射し、全反応表面を同時に照射する段階と、 (d)散乱光が存在する場合には光検出装置を使用して第1の時刻t1で前記表 面の前記部位及び非部位部分から実質的に同時に散乱光を集光する段階と、 (e)段階(c)及び(d)を少なくとも1回繰り返し、散乱光が存在する場合 には第2の時刻t2で前記部位及び非部位部分から散乱光を集光する段階と、 (f)時刻t1における前記部位の光散乱度を時刻t2における前記部位の光散乱 度と比較し、該部位の光散乱を特異的分析物の存在又は量と相関させ、光散乱の 経時的差により、前記部位に存在する分析物の量を表す動的情報を提供する段階 を含む前記方法。 10.前記エレメントが複数の試験部位を含み、各部位が別の部位の固定化特異 的結合メンバーと同一又は異なる固定化特異的結合メンバーを含む請求項9に記 載の方法。 11.チャネル内に反応表面が形成されるような二次元毛管チャネルを形成する ように前記第1のエレメントに結合された第2の透明エレメントを更に含む請求 項9に記載の方法。 12.固定化した第1の特異的結合メンバーから分析物の解離を開始するように 導波路デバイスの反応表面の条件を変更する追加の段階を段階(f)の後に含み 、上記変更条件下で段階(c)、(d)及び(f)を繰り返す請求項9に記載の 方法。 13.未知核酸のセグメントのヌクレオチド配列を決定するか、又は2種の密接 に関連するヌクレオチド配列を区別するための方法であって、 (a)(i)流体試料よりも大きい屈折率をもっ透明エレメントと、(ii)受光 縁部と、(iii)オリゴヌクレオチドを固定した複数の部位を含む反応表面(前 記部位は未知核酸とハイブリダイズするための種々の配列をもつオリゴヌクレオ チドのアレーを構成するようにし、前記エレメントの表面の他の非部位部分には オリゴヌクレオチドを固定しない)とを備える導波路デバイスを準備する段階と 、 (b)ハイブリダイゼーション条件下で反応表面を前記未知核酸(前記未知核酸 は、所望により直接又は中間同系結合対を介して、光散乱ラベルで標識されてい る)と接触させ、未知核酸の配列に相補的な反応表面の部位に結合する光散乱ラ ベル複合体を形成する段階と、 (c)導波路の内部で内部全反射を生じるのに有効な光を導波路の受光縁部に照 射し、全反応表面を同時に照射する段階と、 (d)散乱光が存在する場合には前記表面の各部位及び非部位部分から実質的に 同時に散乱光を集光する段階と、 (e)各部位の光散乱度を(i)非部位部分の光散乱度又は(ii)別の部位の光 散乱度と比較する段階とを含み、 (f)更に、導波路デバイスの反応表面でストリンジェンシー条件を増分的に増 加し、該部位からの結合核酸の解離を開始させ、各増分毎に段階(d)及び(e )を繰り返す段階を含み、それによって、解離特性の差により、オリゴヌクレオ チドと未知の核酸との間の1塩基対の差を完全な一致から区別できるようにする 前記方法。 14.チャネル内に反応表面が形成されるような二次元毛管チャネルを形成する ように前記第1のエレメントに結合された第2の透明エレメントを更に含む請求 項13に記載の方法。 15.流体試料中の特異的結合分析物の存在又は量の検出方法であって、 (a)(i)流体試料よりも大きい屈折率をもつ透明TIRエレメントと、(ii )受光縁部と、(iii)エレメントの表面の少 なくとも1個の部位に固定された少なくとも1個の同系結合対の第1の特異的結 合メンバーを含む反応表面(該反応表面の他の非部位部分には特異的結合メンバ ーを固定しない)とを備える導波路デバイス(ここで、前記第1の特異的結合メ ンバーは、所望により中間同系結合対を介して、前記分析物と特異的に結合する ことが可能である)を準備する段階と、 (b)(i)前記分析物を含む疑いのある試料及び(ii)第2の同系結合対の第 1の特異的結合メンバーに結合した光散乱ラベル(ここで、該第2の同系結合対 の第1の特異的結合メンバーは、所望により中間同系結合対を介して、サンドイ ッチアッセイの場合には前記分析物と特異的に結合することが可能であり、競合 アッセイの場合には前記固定化した第1の特異的結合メンバーに結合することが 可能である)と反応表面を接触させて、試料中の分析物の量に比例して前記部位 に結合した光散乱ラベル複合体を形成し、並びに(iii)少なくとも15の有効 O.D.を与えるに十分な吸光メンバーの溶液と反応表面を接触させる段階と、 (c)エレメントの内部で内部全反射を生じるのに有効な光をTIRエレメント の受光縁部に照射する段階と、 (d)散乱光を検出し、部位の光散乱度を非部位部分の光散乱度と比較し、吸光 材料に吸収させることによりバックグラウンド散乱を最小限にする段階を含む前 記方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US08/311,462 US5599668A (en) | 1994-09-22 | 1994-09-22 | Light scattering optical waveguide method for detecting specific binding events |
US08/311,462 | 1994-09-22 | ||
PCT/US1995/011922 WO1996009532A1 (en) | 1994-09-22 | 1995-09-20 | Optical waveguide method for detecting specific binding events by light scattering |
Publications (2)
Publication Number | Publication Date |
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JPH10506190A true JPH10506190A (ja) | 1998-06-16 |
JP3608665B2 JP3608665B2 (ja) | 2005-01-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP51104096A Expired - Fee Related JP3608665B2 (ja) | 1994-09-22 | 1995-09-20 | 光散乱により特異的結合事象を検出するための光導波路法 |
Country Status (9)
Country | Link |
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US (2) | US5599668A (ja) |
EP (2) | EP1441217B1 (ja) |
JP (1) | JP3608665B2 (ja) |
AT (2) | ATE498123T1 (ja) |
AU (1) | AU3636295A (ja) |
CA (1) | CA2197321C (ja) |
DE (2) | DE69532855T2 (ja) |
ES (2) | ES2221930T3 (ja) |
WO (1) | WO1996009532A1 (ja) |
Cited By (8)
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CA2197321A1 (en) | 1996-03-28 |
CA2197321C (en) | 2009-01-27 |
US5599668A (en) | 1997-02-04 |
EP0783683B1 (en) | 2004-04-07 |
ATE498123T1 (de) | 2011-02-15 |
DE69532855T2 (de) | 2005-03-24 |
DE69532855D1 (de) | 2004-05-13 |
AU3636295A (en) | 1996-04-09 |
WO1996009532A1 (en) | 1996-03-28 |
ATE263967T1 (de) | 2004-04-15 |
EP1441217B1 (en) | 2011-02-09 |
ES2358508T3 (es) | 2011-05-11 |
DE69536137D1 (de) | 2011-03-24 |
EP1441217A3 (en) | 2007-07-04 |
ES2221930T3 (es) | 2005-01-16 |
US5843651A (en) | 1998-12-01 |
JP3608665B2 (ja) | 2005-01-12 |
EP0783683A1 (en) | 1997-07-16 |
EP1441217A2 (en) | 2004-07-28 |
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