WO1988007670A3 - Time-resolved fluorescence apparatus and immunoassay - Google Patents
Time-resolved fluorescence apparatus and immunoassay Download PDFInfo
- Publication number
- WO1988007670A3 WO1988007670A3 PCT/US1988/001019 US8801019W WO8807670A3 WO 1988007670 A3 WO1988007670 A3 WO 1988007670A3 US 8801019 W US8801019 W US 8801019W WO 8807670 A3 WO8807670 A3 WO 8807670A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluorescence
- time
- immunoassay
- optical image
- current
- Prior art date
Links
Classifications
-
- 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
- G01N33/5302—Apparatus specially adapted for immunological test procedures
-
- 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
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/069—Supply of sources
- G01N2201/0696—Pulsed
- G01N2201/0697—Pulsed lasers
Abstract
A method and apparatus for time-resolved fluorescence spectroscopy is described in which laser light from a single pulse is used to excite fluorescent photons in a sample (24), which fluorescence is detected by a PMT (14) optimized for linearity and response time to produce photoelectrons which generate a current at the PMT anode. This current is discharged through an R/C network to produce a voltage amplitude waveform which is converted to an optical image (26), intensified (28), stored (36) and digitized (34). The digitized version of the optical image is processed in a data processor (38) to calculate the true fluorescence impulse response. Fluorescence immunoassay for determining single or multiple analytes based upon a single measurement of fluorescence are described.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US031,408 | 1987-03-27 | ||
US031,288 | 1987-03-27 | ||
US07/031,408 US4923819A (en) | 1987-03-27 | 1987-03-27 | Time-resolved fluorescence immunoassay |
US07/031,288 US4855930A (en) | 1987-03-27 | 1987-03-27 | Method and appartatus for improved time-resolved fluorescence spectroscopy |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1988007670A2 WO1988007670A2 (en) | 1988-10-06 |
WO1988007670A3 true WO1988007670A3 (en) | 1989-01-26 |
Family
ID=26707047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1988/001019 WO1988007670A2 (en) | 1987-03-27 | 1988-03-24 | Time-resolved fluorescence apparatus and immunoassay |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES2006611A6 (en) |
WO (1) | WO1988007670A2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2224352B (en) * | 1988-10-05 | 1992-09-16 | Hamamatsu Photonics Kk | Light waveform measuring apparatus |
FI82144C (en) * | 1989-03-22 | 1991-01-10 | Wallac Oy | FOERFARANDE FOER SAMTIDIG BESTAEMNING AV FLERA LIGANDER. |
US4977325A (en) * | 1989-07-12 | 1990-12-11 | P B Diagnostic Systems, Inc. | Optical read system and immunoassay method |
CA2026257C (en) * | 1989-09-26 | 2001-07-24 | Keiji Sasaki | Device for analyzing a transient waveform |
DE19718016A1 (en) * | 1997-04-29 | 1998-11-05 | Drexhage Karl Heinz | Method for the optical detection of analyte molecules in a natural biological medium |
GB0001089D0 (en) | 2000-01-18 | 2000-03-08 | Council Cent Lab Res Councils | Lipoprotein assay |
DE10308814A1 (en) * | 2003-02-27 | 2004-09-09 | Chromeon Gmbh | Bioanalytical method based on the measurement of the decay time of phosphorescence |
CA2806306A1 (en) * | 2010-07-23 | 2012-01-26 | Luminex Corporation | Co-coupling to control reactivity of reagents in immunoassays |
US9062342B2 (en) | 2012-03-16 | 2015-06-23 | Stat-Diagnostica & Innovation, S.L. | Test cartridge with integrated transfer module |
CN103558433B (en) * | 2013-10-24 | 2016-03-30 | 北京无线电计量测试研究所 | A kind of device and method measured for photodetector impulse response |
CN103728446B (en) * | 2013-12-11 | 2016-02-24 | 天津大学 | Photon counting-type hyperchannel time resolved fluoro-immunoassay system and method for counting |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4368047A (en) * | 1981-04-27 | 1983-01-11 | University Of Utah Research Foundation | Process for conducting fluorescence immunoassays without added labels and employing attenuated internal reflection |
US4385126A (en) * | 1980-11-19 | 1983-05-24 | International Diagnostic Technology, Inc. | Double tagged immunoassay |
GB2129548A (en) * | 1982-11-01 | 1984-05-16 | Hamamatsu Corp | Compact temporal spectral photometer |
WO1986002734A1 (en) * | 1984-10-31 | 1986-05-09 | Hyperion Catalysis International, Inc. | Luminescent metal chelate labels and means for detection |
JPH06128844A (en) * | 1992-10-20 | 1994-05-10 | Tsudakoma Corp | Separator for defective weft yarn in multicolor rapier loom |
-
1988
- 1988-03-24 WO PCT/US1988/001019 patent/WO1988007670A2/en not_active Application Discontinuation
- 1988-03-25 ES ES8800926A patent/ES2006611A6/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4385126A (en) * | 1980-11-19 | 1983-05-24 | International Diagnostic Technology, Inc. | Double tagged immunoassay |
US4368047A (en) * | 1981-04-27 | 1983-01-11 | University Of Utah Research Foundation | Process for conducting fluorescence immunoassays without added labels and employing attenuated internal reflection |
GB2129548A (en) * | 1982-11-01 | 1984-05-16 | Hamamatsu Corp | Compact temporal spectral photometer |
WO1986002734A1 (en) * | 1984-10-31 | 1986-05-09 | Hyperion Catalysis International, Inc. | Luminescent metal chelate labels and means for detection |
JPH06128844A (en) * | 1992-10-20 | 1994-05-10 | Tsudakoma Corp | Separator for defective weft yarn in multicolor rapier loom |
Non-Patent Citations (6)
Title |
---|
1969 Wescon Technical Papers, Part 4 Instruments and Systems, Western Electronic Show and Convention, 19-22 August, 1969 (US) G.T. Longerbeam et al.: "High speed single transient oscilloscopes, the state of the art, and current potential for mating to on-line computers", pages 13/4: 1-10 * |
Japanese Journal of Applied Physics, vol. 15, no. 5, 1976 (Tokyo, JP)H. Saito et al.: "A high sensitivity television camera system for pico-second spectroscopy", pages 947,948 * |
Modern Fluorescence Spectroscopy, vol. 4, 1981, Plenum Press (New York, US) J.H. Richardson: "Applications of lasers in analytical molecular fluorescence spectroscopy", page 15 * |
Patent Abstracts of Japan, vol. 10, no. 180 (P-471)(2236) 24 June 1986; & JP-A-6128844 (HAMAMATSU PHOTONICS K.K.) 8 February 1986 * |
R.I. Sha'afi et al.: "Fast methods in physical biochemistry and cell biology", published 1983 by Elsevier (Amsterdam, NL) S.M. Fernandez: "Time-resolved fluorescence spectroscopy", pages 221-279 * |
Review of Scientific Instruments, vol. 52, no. 11, November 1981 (New York, US) F. Docchio et al.: "Subnanosecond fluorescence waveforms measurements with a dual time-scale microprocessor-controlled averager", pages 1671-1675 * |
Also Published As
Publication number | Publication date |
---|---|
WO1988007670A2 (en) | 1988-10-06 |
ES2006611A6 (en) | 1989-05-01 |
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