JPH05503367A - ルミネッセンス減衰時間に基づくpH値の測定方法 - Google Patents
ルミネッセンス減衰時間に基づくpH値の測定方法Info
- Publication number
- JPH05503367A JPH05503367A JP4501100A JP50110092A JPH05503367A JP H05503367 A JPH05503367 A JP H05503367A JP 4501100 A JP4501100 A JP 4501100A JP 50110092 A JP50110092 A JP 50110092A JP H05503367 A JPH05503367 A JP H05503367A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- indicator
- base
- indicator substance
- rate
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
- G01N31/221—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating pH value
-
- 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"
-
- 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
- G01N21/6445—Measuring fluorescence polarisation
Abstract
Description
Claims (9)
- 1.対象とする測定領域(M)の中で試料のpH値を可逆的に連続測定するため の、その試料が、酸又は塩基として存在する指示薬物質と少なくとも間接的に接 触し、そしてその指示薬物質のルミネッセンス減衰時間τが試料のpH値に依存 するようなルミネッセンス光学的測定装置のための指示薬物質において、その指 示薬物質のpKs値がその電子的基底状態(So)においてその対象とする測定 領域内にあること、その塩基のプロトン化速度kP又はその酸の脱プロトン化速 度k■Pがその指示薬物質の励起状態(Si,X)においてその励起状態の減衰 速度kAよりも小さいこと、及びその指示薬物質の酸型(AH*,BH+*)及 び塩基型(A−*,B*)のルミネッセンス減衰時間τa及びτsが異なってい ることを特徴とする、上記指示薬物質。
- 2.指示薬物質の中性型(塩基B*又は酸AH*)の少なくとも2つの励起状態 (Si,X)が指示薬物質のイオン型の対応する励起状態(共役酸BH+*又は 共役塩基A−*)に比して互いに反対の配置で存在すること及びその中性型の上 記少なくとも2つの励起状態の間の無輻射転換速度が中性型の励起状態の減衰速 度kPよりも大きいことを特徴とする、請求の範囲1の指示薬物質。
- 3.指示薬物質の中性型の励起状態(塩基B*又は酸A*)と指示薬物質のイオ ン型の励起状態(共役酸BH+*又は共役塩基A−*)との輻射減衰速度kRが 異なっていることを特徴とする、請求の範囲1又は2の指示薬物質。
- 4.指示薬物質の中性型の励起状態(塩基B*又は酸A*)と指示薬物質のイオ ン型の励起状態(共役酸BH+*又は共役塩基A−*)との無輻射減励起速度k Cが異なっていることを特徴とする、請求の範囲1又は2の指示薬物質。
- 5.対象とする測定領域(M)の中で試料のpH値を可逆的に連続測定するため の、その試料が、酸又は塩基として存在する指示薬物質と少なくとも間接的に接 触し、そしてその指示薬物質のルミネッセンス減衰時間τが試料のpH値に依存 するようなルミネッセンス光学的測定装置のための指示薬物質において、その指 示薬物質のpKs*値がその電子的励起状態(Si,X)においてその対象とす る測定領域内にあること、その塩基のプロトン化速度kp又はその酸の脱プロト ン化速度k■pがその指示薬物質の励起状態(Si,X)においてその励起状態 の減衰速度kAよりも大きいこと、及びその指示薬物質の酸型(AH*,BH+ *)及び塩基型(A−*,B*)のルミネッセンス減衰時間τ■及びτ■が異な っていることを特徴とする、上記指示薬物質。
- 6.指示薬物質の中性型(塩基B*又は酸AH*)の少なくとも2つの励起状態 (S1,X)が指示薬物質のイオン型の対応する励起状態(共役酸BH+*又は 共役塩基A−*)に比して互いに反対の配置で存在すること及びその中性型の上 記少なくとも2つの励起状態の間の無輻射転換速度が中性型の励起状態の減衰速 度kPよりも大きいことを特徴とする、請求の範囲5の指示薬物質。
- 7.指示薬物質の中性型の励起状態(塩基B*又は酸A*)と指示薬物質のイオ ン型の励起状態(共役酸BH+*又は共役塩基A−*)との輻射減衰速度kRが 異なっていることを特徴とする、請求の範囲5又は6の指示薬物質。
- 8.指示薬物質の中性型の励起状態(塩基B*又は酸A*)と指示薬物質のイオ ン型の励起状態(共役酸BH+*又は共役塩基A−*)との輻射減励起速度kC が異なっていることを特徴とする、請求の範囲5又は6の指示薬物質。
- 9.化学的又は物理的に固定された請求の範囲1ないし8のいずれか1つに従う 指示薬物質を含む、試料のpH値を可逆的に連続測定するためのルミネッセンス 光学的センサ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT2512/90 | 1990-12-12 | ||
AT251290 | 1990-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05503367A true JPH05503367A (ja) | 1993-06-03 |
JP2524460B2 JP2524460B2 (ja) | 1996-08-14 |
Family
ID=3535619
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4501100A Expired - Lifetime JP2524460B2 (ja) | 1990-12-12 | 1991-12-12 | ルミネッセンス減衰時間に基づくpH値の測定方法 |
JP4501594A Pending JPH05503368A (ja) | 1990-12-12 | 1991-12-12 | 或る化学種の濃度を連続的に可逆測定する方法と装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4501594A Pending JPH05503368A (ja) | 1990-12-12 | 1991-12-12 | 或る化学種の濃度を連続的に可逆測定する方法と装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5308581A (ja) |
EP (2) | EP0515625B1 (ja) |
JP (2) | JP2524460B2 (ja) |
AT (1) | ATE123572T1 (ja) |
DE (1) | DE59105671D1 (ja) |
WO (2) | WO1992010740A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0694164A1 (en) * | 1991-05-03 | 1996-01-31 | Joseph R. Lakowicz | Method for optically measuring chemical analytes |
AT399595B (de) * | 1993-06-09 | 1995-06-26 | Avl Verbrennungskraft Messtech | Lumineszenzoptischer indikator zur bestimmung der aktivität von alkalimetallionen in einer probenlösung |
US5462879A (en) * | 1993-10-14 | 1995-10-31 | Minnesota Mining And Manufacturing Company | Method of sensing with emission quenching sensors |
EP0758450B1 (en) * | 1994-03-25 | 1998-08-05 | Novartis AG | Optical sensor for the determination of ions |
US5577137A (en) * | 1995-02-22 | 1996-11-19 | American Research Corporation Of Virginia | Optical chemical sensor and method using same employing a multiplicity of fluorophores contained in the free volume of a polymeric optical waveguide or in pores of a ceramic waveguide |
US5567624A (en) * | 1995-04-27 | 1996-10-22 | Utah Medical Products, Inc. | Carbazine dyes and derivatives for pH measurement |
US7253557B2 (en) * | 1996-02-08 | 2007-08-07 | Bright Solutions, Inc. | Light source provided with a housing enclosing voltage regulator means and method of manufacturing thereof |
US6590220B1 (en) * | 1996-02-08 | 2003-07-08 | Bright Solutions, Inc. | Leak detection lamp |
US6815211B1 (en) | 1998-08-04 | 2004-11-09 | Ntc Technology | Oxygen monitoring methods and apparatus (I) |
US6325978B1 (en) | 1998-08-04 | 2001-12-04 | Ntc Technology Inc. | Oxygen monitoring and apparatus |
US20070225612A1 (en) * | 1996-07-15 | 2007-09-27 | Mace Leslie E | Metabolic measurements system including a multiple function airway adapter |
AU5079698A (en) * | 1996-10-08 | 1998-05-05 | Photonics Biosystems | Microbiological assessment method and device utilizing oxygen gradient sensing |
US20050101032A1 (en) * | 1997-02-10 | 2005-05-12 | Metrika, Inc. | Assay device, composition, and method of optimizing assay sensitivity |
AU1060099A (en) * | 1997-06-10 | 1999-01-25 | American Research Corporation Of Virginia | Detection of chemical agent materials using a sorbent polymer and fluores cent probe |
US20060019404A1 (en) * | 1998-05-06 | 2006-01-26 | Blatt Joel M | Quantitative assay with extended dynamic range |
US6300638B1 (en) | 1998-11-12 | 2001-10-09 | Calspan Srl Corporation | Modular probe for total internal reflection fluorescence spectroscopy |
DE19919091C2 (de) * | 1999-04-27 | 2002-01-17 | Zeiss Carl Jena Gmbh | Anordnung zur Einstellung der Laserleistung und/oder der Pulslänge eines Kurzpulslasers in einem Mikroskop |
US20030211011A1 (en) * | 2001-06-08 | 2003-11-13 | Phillips Terry E. | Ph sensor system and method for using same |
US7198756B2 (en) * | 2002-07-11 | 2007-04-03 | Optical Sensors Incorporated | Non-invasive measurement of pH |
US7150995B2 (en) * | 2004-01-16 | 2006-12-19 | Metrika, Inc. | Methods and systems for point of care bodily fluid analysis |
US20050227370A1 (en) * | 2004-03-08 | 2005-10-13 | Ramel Urs A | Body fluid analyte meter & cartridge system for performing combined general chemical and specific binding assays |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419583A (en) * | 1980-05-31 | 1983-12-06 | Noeller Hans Guenter | Polarization fluoroimmunoassay with pulsed light source |
DE3329461A1 (de) * | 1983-08-12 | 1985-02-21 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Festmembran fuer einen indikatorraum |
US4767718A (en) * | 1984-06-18 | 1988-08-30 | Southern Illinois University Foundation | Fluorescent opioid reagents and methods of use thereof in the detection of opioid receptors |
EP0272291B1 (en) * | 1986-05-27 | 1992-04-01 | CERCEK, Boris | Method for measuring polarized fluorescence emissions |
JPH0672845B2 (ja) * | 1986-09-01 | 1994-09-14 | 富士写真フイルム株式会社 | 分析方法 |
US4775237A (en) * | 1987-03-16 | 1988-10-04 | Innovative Medical Systems Corp. | Electro-optical detection system |
AT389590B (de) * | 1987-05-27 | 1989-12-27 | Avl Verbrennungskraft Messtech | Verfahren zur kontinuierlichen, quantitativen bestimmung von schwefeldioxid und anordnung zur durchfuehrung des verfahrens |
US4925268A (en) * | 1988-07-25 | 1990-05-15 | Abbott Laboratories | Fiber-optic physiological probes |
AT390517B (de) * | 1988-08-04 | 1990-05-25 | Avl Verbrennungskraft Messtech | Optischer sensor und verfahren zu dessen herstellung |
AT393035B (de) * | 1989-04-25 | 1991-07-25 | Avl Verbrennungskraft Messtech | Verfahren zur quantitativen bestimmung zumindest eines chemischen parameters eines probenmediums |
-
1991
- 1991-12-12 WO PCT/AT1991/000129 patent/WO1992010740A1/de not_active Application Discontinuation
- 1991-12-12 JP JP4501100A patent/JP2524460B2/ja not_active Expired - Lifetime
- 1991-12-12 EP EP92901022A patent/EP0515625B1/de not_active Expired - Lifetime
- 1991-12-12 EP EP92900934A patent/EP0515623A1/de not_active Withdrawn
- 1991-12-12 AT AT92901022T patent/ATE123572T1/de not_active IP Right Cessation
- 1991-12-12 WO PCT/AT1991/000128 patent/WO1992010739A1/de active IP Right Grant
- 1991-12-12 JP JP4501594A patent/JPH05503368A/ja active Pending
- 1991-12-12 US US07/916,154 patent/US5308581A/en not_active Expired - Lifetime
- 1991-12-12 DE DE59105671T patent/DE59105671D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE123572T1 (de) | 1995-06-15 |
JPH05503368A (ja) | 1993-06-03 |
EP0515625A1 (de) | 1992-12-02 |
EP0515623A1 (de) | 1992-12-02 |
EP0515625B1 (de) | 1995-06-07 |
JP2524460B2 (ja) | 1996-08-14 |
WO1992010740A1 (de) | 1992-06-25 |
US5308581A (en) | 1994-05-03 |
DE59105671D1 (de) | 1995-07-13 |
WO1992010739A1 (de) | 1992-06-25 |
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