JPH09503866A - 発光ケンチングセンサ - Google Patents
発光ケンチングセンサInfo
- Publication number
- JPH09503866A JPH09503866A JP7511774A JP51177495A JPH09503866A JP H09503866 A JPH09503866 A JP H09503866A JP 7511774 A JP7511774 A JP 7511774A JP 51177495 A JP51177495 A JP 51177495A JP H09503866 A JPH09503866 A JP H09503866A
- Authority
- JP
- Japan
- Prior art keywords
- concentration
- analyte
- sensor element
- signal
- quencher
- 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.)
- Granted
Links
- 230000000171 quenching effect Effects 0.000 title claims abstract description 33
- 238000010791 quenching Methods 0.000 title claims abstract description 32
- 239000012491 analyte Substances 0.000 claims abstract description 107
- 230000005284 excitation Effects 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 54
- 230000001419 dependent effect Effects 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000004020 luminiscence type Methods 0.000 claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 70
- 239000001301 oxygen Substances 0.000 claims description 70
- 229910052760 oxygen Inorganic materials 0.000 claims description 70
- 230000010363 phase shift Effects 0.000 claims description 55
- 230000005281 excited state Effects 0.000 claims description 35
- 239000000178 monomer Substances 0.000 claims description 35
- 230000006870 function Effects 0.000 claims description 34
- 239000011159 matrix material Substances 0.000 claims description 34
- 238000012545 processing Methods 0.000 claims description 24
- 239000000126 substance Substances 0.000 claims description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000011088 calibration curve Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 31
- 239000000523 sample Substances 0.000 description 30
- 239000000975 dye Substances 0.000 description 27
- 239000013307 optical fiber Substances 0.000 description 14
- 238000005259 measurement Methods 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 8
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 230000006399 behavior Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 6
- 229910052753 mercury Inorganic materials 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000013626 chemical specie Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000008103 glucose Substances 0.000 description 3
- 230000005283 ground state Effects 0.000 description 3
- 238000001727 in vivo Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 3
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- GYFAGKUZYNFMBN-UHFFFAOYSA-N Benzo[ghi]perylene Chemical group C1=CC(C2=C34)=CC=C3C=CC=C4C3=CC=CC4=CC=C1C2=C43 GYFAGKUZYNFMBN-UHFFFAOYSA-N 0.000 description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 108010015776 Glucose oxidase Proteins 0.000 description 2
- 239000004366 Glucose oxidase Substances 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000001506 fluorescence spectroscopy Methods 0.000 description 2
- 239000003269 fluorescent indicator Substances 0.000 description 2
- 229940116332 glucose oxidase Drugs 0.000 description 2
- 235000019420 glucose oxidase Nutrition 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000001782 photodegradation Methods 0.000 description 2
- 230000001443 photoexcitation Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- DCGLONGLPGISNX-UHFFFAOYSA-N trimethyl(prop-1-ynyl)silane Chemical compound CC#C[Si](C)(C)C DCGLONGLPGISNX-UHFFFAOYSA-N 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- LGERRYPEGFPVAJ-UHFFFAOYSA-N 1,12-phenyleneperylene Natural products C1=C2C3=CC=CC=C3C3=CC=C(C=CC=C45)C4=C3C2=C2C5=CC=CC2=C1 LGERRYPEGFPVAJ-UHFFFAOYSA-N 0.000 description 1
- XBOCXMZFVNJHDQ-UHFFFAOYSA-N 1-(2-pyren-1-ylpropan-2-yl)pyrene Chemical compound C1(=CC=C2C=CC3=CC=CC4=CC=C1C2=C34)C(C)(C)C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C34 XBOCXMZFVNJHDQ-UHFFFAOYSA-N 0.000 description 1
- OUEIPKXVZRHNIB-UHFFFAOYSA-N 1-(3-pyren-1-ylpropyl)pyrene Chemical compound C1=C2C(CCCC=3C4=CC=C5C=CC=C6C=CC(C4=C65)=CC=3)=CC=C(C=C3)C2=C2C3=CC=CC2=C1 OUEIPKXVZRHNIB-UHFFFAOYSA-N 0.000 description 1
- IMBZIEUTNYFSHV-UHFFFAOYSA-N 4-methyl-2,5-diphenyl-1,3-oxazole Chemical compound CC=1N=C(C=2C=CC=CC=2)OC=1C1=CC=CC=C1 IMBZIEUTNYFSHV-UHFFFAOYSA-N 0.000 description 1
- 241000257465 Echinoidea Species 0.000 description 1
- LFVLUOAHQIVABZ-UHFFFAOYSA-N Iodofenphos Chemical compound COP(=S)(OC)OC1=CC(Cl)=C(I)C=C1Cl LFVLUOAHQIVABZ-UHFFFAOYSA-N 0.000 description 1
- 241000254158 Lampyridae Species 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- MASVCBBIUQRUKL-UHFFFAOYSA-N POPOP Chemical compound C=1N=C(C=2C=CC(=CC=2)C=2OC(=CN=2)C=2C=CC=CC=2)OC=1C1=CC=CC=C1 MASVCBBIUQRUKL-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 125000005605 benzo group Chemical group 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005595 deprotonation Effects 0.000 description 1
- 238000010537 deprotonation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000001034 iron oxide pigment Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001843 polymethylhydrosiloxane Polymers 0.000 description 1
- -1 polysiloxane Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 230000005258 radioactive decay Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005316 response function Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01N21/62—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
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- 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
- G01N21/62—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
- G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
-
- 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
- G01N21/62—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
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N2021/6432—Quenching
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/20—Oxygen containing
- Y10T436/207497—Molecular oxygen
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/20—Oxygen containing
- Y10T436/207497—Molecular oxygen
- Y10T436/209163—Dissolved or trace oxygen or oxygen content of a sealed environment
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Optics & Photonics (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.媒体内の検体濃度を検出する方法であって、 前記検体、又はこの検体に既知の関係で関連する物質を備えるケンチャーに露 出するように形成され、このケンチャーに対し二分子ケンチング点数kq及び最低 寿命τ0Lより長い一つ以上の蛍光発光寿命τ0を有する発光インジケータからな るセンサ素子を前記媒体に露出させる段階と、 前記センサ素子を発光周波数ωの励起信号に露出させて、検体濃度に依存する 信号、又は検体濃度の関数として変化する濃度依存性パラメータを有する信号を 前記センサ素子から発光させる段階と、 前記発光信号を検出して、検出信号を供給する段階と、 前記検出信号の少なくとも一つを一変量処理して濃度依存性パラメータを導き 、前記媒体中の検体濃度を決定する段階とを備え、 前記センサ素子そして/又は前記励起信号は、[Q]を前記センサ素子のケン チャー濃度とするとき、対象動作範囲内の全ての検体濃度、及び前記τ0Lより大 きい全ての寿命τ0に対して、量{[(kq[Q])2+ω2]τ0 2}が量{1+2kqτ0[Q]}よ り4倍以上に大きくなる動作条件を与えるように構成される媒体内の検体濃度を 検出する方法。 2.媒体内の検体濃度を検出する方法であって、 前記検体、又はこの検体に既知の関係で関連する物質を備えるケンチャーを通 すマトリックス材料と、前記ケンチャーに対し二分子ケンチング定数kq及び最低 寿命τ0Lより長い一つ以上の蛍光発光寿命τ0を有する発光インジケータからな るセンサ素子を前記媒体に露出させる段階と、 前記センサ素子を発光周波数ωの第1励起信号に露出させて、検 体濃度に依存する信号、又は検体濃度の関数として変化する濃度依存性パラメー タを有する信号を前記センサ素子から発光させる段階と、 前記発光信号を検出して、検出信号を与える段階と、 前記検出信号の少なくとも一つを一変量処理して濃度依存性パラメータを導き 、前記媒体中の検体の濃度を決定する段階とを備え、 前記センサ素子そして/又は前記励起信号は、[Q]を前記マトリックス材料 中のケンチャー濃度とするとき、濃度依存性パラメータとケンチャー濃度間の関 係勾配が、対象動作範囲内の全ての検体濃度、及び前記τ0Lより大きい全ての寿 命τ0に対して、τ0の変動に独立であるように、量{[(kq[Q])2+ω2]τ0 2}が量 {1+2kqτ0[Q]}より十分大きくなる動作条件を与えるように構成される媒体内 の検体濃度を検出する方法。 3.対象動作範囲内にある検体の濃度を測定する装置であって、 前記検体、又はこの検体に既知の関係で関連する物質を備えるケンチャーを通 すマトリックス材料と、前記ケンチャーに対して二分子ケンチング定数kq及び最 低寿命τ0Lより長い一つ以上の蛍光発光寿命τ0を有する発光インジケータとを 具備し、ケンチャーの存在下で励起信号に露出されると、検体濃度の関数として 変化する検体濃度依存性の信号を発することが出来るセンサ素子と、 前記センサ素子に連結すると共に、一つ以上の発光周波数ωで励起信号を発す る励起システムと、 前記センサ素子に連結すると共に、検体濃度依存性の信号を検出して、検出信 号を与える検出器と、 検体濃度と第1濃度依存性パラメータ間の関係を特徴付ける校正情報を記憶す るメモリを含み、第1検出信号を一変量処理して第1濃度依存性パラメータを導 くと共に、導かれた濃度依存性パラメー タと記憶されている校正情報の関数として検体濃度を示す出力信号を与えるプロ セッサとを具備し、 前記センサ素子そして/又は前記励起信号は、[Q]を前記マトリックス材料 中のケンチャー濃度とするとき、対象動作範囲内の全ての検体濃度、及び前記τ0L より大きい全ての寿命τ0に対して、量{[(kq[Q])2+ω2]τ0 2}が量{1+2kqτ0 [Q]}より4倍以上に大きくなる動作条件内でセンサ装置が十分に動作できるよ うに構成された検体濃度測定装置。 4.対象動作範囲内にある検体の濃度を測定する装置であって、 前記検体、又はこの検体に既知の関係で関連する物質を備えるケンチャーに露 出するように形成され、このケンチャーに対して二分子ケンチング定数kq及び最 低寿命τ0Lより長い一つ以上の蛍光発光寿命τ0によって特徴付けられる発光イ ンジケータを具備し、ケンチャーの存在下で励起信号に露出されると、検体濃度 の関数として変化する検体濃度依存性の信号を発することが出来るセンサ素子と 、 前記センサ素子に連結すると共に、一つ以上の発光周波数ωで励起信号を発す る励起システムと、 前記センサ素子に連結すると共に、検体濃度依存性の信号を検出して、検出信 号を与える検出器と、 検体濃度と濃度依存性パラメータ間の関係を特徴付ける校正情報を記憶するメ モリを備え、検出信号を一変量処理して濃度依存性パラメータを導くと共に、導 かれた濃度依存性パラメータと記憶されている校正情報の関数として検体濃度を 示す出力信号を与えるプロセッサとを具備し、 前記センサ素子そして/又は前記励起信号は、[Q]を前記センサ素子中のケ ンチャー濃度とするとき、濃度依存性パラメータとケン チャー濃度間の関係勾配が、対象動作範囲内の全ての検体濃度、及び前記τ0Lよ り大きい全ての寿命τ0に対して、τ0の変動に独立であるように、量{[(kq[Q])2 +ω2]τ0 2}が量{1+2kqτ0[Q]}より十分大きくなる動作条件内で装置が十分 に動作できるように構成されている検体濃度測定装置。 5.前記センサ素子そして/又は前記励起信号は、対象動作範囲内の全ての検 体濃度、及び前記τ0Lより大きい全ての寿命τ0に対して、量{[(kq[Q])2+ω2] τ0 2}が量{1+2kqτ0[Q]}より6倍以上に大きくなる動作条件を与えるように 構成されている請求項1乃至4の何れかに記載の方法又は装置。 6.前記センサ素子そして/又は前記励起信号は、対象動作範囲内の全ての検 体濃度、及び前記τ0Lより大きい全ての寿命τ0に対して、量{[(kq[Q])2+ω2] τ0 2}が量{1+2kqτ0[Q]}より10倍以上に大きくなる動作条件を与えるように 構成されている請求項1乃至5の何れかに記載の方法又は装置。 7.前記励起信号の周波数は、対象動作範囲内の全ての検体濃度、及び前記τ0L より大きい全ての寿命τ0に対して、量ωτ0が4以上である動作条件を与え、 前記検体及びケンチャーは酸素である請求項1乃至6の何れかに記載の方法又は 装置。 8.前記励起信号の周波数は、対象動作範囲内の全ての検体濃度、及び前記τ0L より大きい全ての寿命τ0に対して、量ωτ0が6以上である動作条件を与え、 前記センサ素子は前記ケンチャーを通すマトリックスを更に具備する請求項1乃 至7の何れかに記載の方法又は装置。 9.前記励起信号の周波数は、対象動作範囲内の全ての検体濃度、及び前記τ0L より大きい全ての寿命τ0に対して、量ωτ0が10以上である動作条件を与える 請求項1乃至8の何れかに記載の方法 又は装置。 10.前記センサ素子は、対象動作範囲内の全ての検体濃度、及び前記τ0Lより 大きい全ての寿命τ0に対して、量kqτ0[Q]が10以上である動作条件を与える ように構成される請求項1乃至9の何れかに記載の方法又は装置。 11.前記センサ素子は、対象動作範囲内の全ての検体濃度、及び前記τ0Lより 大きい全ての寿命τ0に対して、量kqτ0[Q]が15以上である動作条件を与える ように構成されると共に、このセンサ素子は前記ケンチャーを通すマトリックス を更に具備し、前記検体は酸素、イオン化水素、及び二酸化炭素を含むグループ から選択される請求項1乃至10の何れかに記載の方法又は装置。 12.前記センサ素子は、対象動作範囲内の全ての検体濃度、及び前記τ0Lより 大きい全ての寿命τ0に対して、量kqτ0[Q]が20以上である動作条件を与える ように構成される請求項1乃至11の何れかに記載の方法又は装置。 13.前記励起信号は一定の発光周波数ω1を有し、前記センサ素子は、前記励 起信号に関してΔΘ1だけ位相シフトされ、且つ復調率m1で復調された検体濃度 に依存する信号を発光し、前記プロセッサは前記検出信号を一変量処理して前記 発光信号と前記励起信号かの位相シフトを導き出す請求項1乃至12の何れかに記 載の方法又は装置。 14.前記透過性のマトリックスはポリマーを備え、前記検体及び前記ケンチャ ーは酸素である請求項1乃至13の何れかに記載の方法又は装置。 15.前記励起信号は、発光ダイオード、レーザダイオード、2倍周波数レーザ ダイオード、及び個体光源からなるグループから選択した光源によって発信され る請求項1乃至14の何れかに記載の方法 又は装置。 16.前記発光インジケータは、少なくともその一つが単量体インジケータ成分 である少なくとも二つの単量体成分を備え、前記センサ素子は、前記励起信号に 露出されると非反応第1励起状態からの第1発光信号と、前記センサ素子内で前 記単量体成分から作られる反応第2励起状態複合体とを与え、前記第1そして/ 又は第2発光信号は一変量処理されて前記検体の濃度を決定する請求項1乃至15 の何れかに記載の方法又は装置。 17.前記センサ素子は、動脈カテーテルのa−ライン回路内で動作するように 構成されている請求項1乃至16の何れかに記載の方法又は装置。 18.前記検出信号を、監視されるパラメータと検体濃度との間の関係を示す校 正曲線と比較する段階を更に含む請求項1乃至17の何れかに記載の方法。 19.前記濃度依存性パラメータは、一定位相シフト又は復調率を与えるのに必 要な変調周波数である請求項1乃至18の何れかに記載の方法又は装置。 20.前記検体は、酸素、イオン化水素、及び二酸化炭素からなるグループから 選択される請求項1乃至19の何れかに記載の方法又は装置。 21.前記プロセッサは、検体濃度と、前記検体濃度依存性信号の一つと前記励 起信号間の位相シフトとの関係を特徴付ける記憶情報を具備し、前記検出信号を 一変量処理して前記位相シフトを導き、前記記憶情報と前記導かれた位相シフト の関数として検体濃度を示す出力信号を与える請求項1乃至20の何れかに記載の 装置。 22.前記プロセッサは、検体濃度と、前記第1検体濃度依存性信号と第2検体 濃度依存性信号間の位相シフト差との関係を特徴付け る記憶情報を具備し、前記検出信号を一変量処理して前記位相シフト差を導き、 前記記憶情報と前記導かれた位相シフト差の関数として検体濃度を示す出力信号 を与える請求項1乃至21の何れかに記載の装置。
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PCT/US1994/009379 WO1995010766A1 (en) | 1993-10-14 | 1994-08-18 | Emission quenching sensors |
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AT (1) | ATE164944T1 (ja) |
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-
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- 1994-08-18 DE DE69409549T patent/DE69409549T2/de not_active Expired - Fee Related
- 1994-08-18 AT AT94927929T patent/ATE164944T1/de not_active IP Right Cessation
- 1994-08-18 CN CN94193731A patent/CN1133088A/zh active Pending
- 1994-08-18 CA CA002171189A patent/CA2171189A1/en not_active Abandoned
- 1994-08-18 JP JP51177495A patent/JP3634368B2/ja not_active Expired - Fee Related
- 1994-08-18 WO PCT/US1994/009379 patent/WO1995010766A1/en active IP Right Grant
- 1994-08-18 EP EP94927929A patent/EP0760093B1/en not_active Expired - Lifetime
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JP2016506499A (ja) * | 2012-12-04 | 2016-03-03 | ザ ユニバーシティー オブ クイーンズランド | ルミネッセンス消光による分析物の検出方法 |
US10151700B2 (en) | 2012-12-04 | 2018-12-11 | The University Of Queensland | Method for the detection of analytes via luminescence quenching |
JP2019078757A (ja) * | 2012-12-04 | 2019-05-23 | ザ ユニバーシティー オブ クイーンズランド | ルミネッセンス消光による分析物の検出方法 |
JP2019517006A (ja) * | 2016-04-01 | 2019-06-20 | ブラック ライト サージカル, インコーポレイテッド | 時間分解蛍光分光法のためのシステム、デバイス、および方法 |
WO2022202723A1 (ja) * | 2021-03-26 | 2022-09-29 | 株式会社汀線科学研究所 | 蛍光測定装置 |
JP2022151092A (ja) * | 2021-03-26 | 2022-10-07 | 株式会社汀線科学研究所 | 蛍光測定装置 |
WO2024176657A1 (ja) * | 2023-02-22 | 2024-08-29 | テルモ株式会社 | 成分測定装置及び成分測定方法 |
Also Published As
Publication number | Publication date |
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ATE164944T1 (de) | 1998-04-15 |
DE69409549D1 (de) | 1998-05-14 |
US5462879A (en) | 1995-10-31 |
JP3634368B2 (ja) | 2005-03-30 |
WO1995010766A1 (en) | 1995-04-20 |
EP0760093B1 (en) | 1998-04-08 |
EP0760093A1 (en) | 1997-03-05 |
DE69409549T2 (de) | 1998-11-19 |
CN1133088A (zh) | 1996-10-09 |
CA2171189A1 (en) | 1995-04-20 |
US5518694A (en) | 1996-05-21 |
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