GB2258728B - A fluorimeter - Google Patents

A fluorimeter

Info

Publication number
GB2258728B
GB2258728B GB9220976A GB9220976A GB2258728B GB 2258728 B GB2258728 B GB 2258728B GB 9220976 A GB9220976 A GB 9220976A GB 9220976 A GB9220976 A GB 9220976A GB 2258728 B GB2258728 B GB 2258728B
Authority
GB
United Kingdom
Prior art keywords
fluorimeter
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.)
Expired - Fee Related
Application number
GB9220976A
Other versions
GB9220976D0 (en
GB2258728A (en
Inventor
James N Miller
Nichola J Seare
Tony E Edmonds
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Loughborough Consultants Ltd
Original Assignee
Loughborough Consultants Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB8828476A external-priority patent/GB2228081B/en
Application filed by Loughborough Consultants Ltd filed Critical Loughborough Consultants Ltd
Priority to GB9220976A priority Critical patent/GB2258728B/en
Publication of GB9220976D0 publication Critical patent/GB9220976D0/en
Publication of GB2258728A publication Critical patent/GB2258728A/en
Application granted granted Critical
Publication of GB2258728B publication Critical patent/GB2258728B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • G01J2001/1636—Arrangements with two photodetectors, the signals of which are compared one detector directly monitoring the source, e.g. also impulse time controlling
    • 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
    • G01N2021/1748—Comparative step being essential in the method
    • 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
    • G01N2021/6417—Spectrofluorimetric devices
    • G01N2021/6421—Measuring at two or more wavelengths
    • 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
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6463—Optics
    • G01N2021/6471—Special filters, filter wheel
    • 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
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6484—Optical fibres
    • 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
    • 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
    • G01N2201/04—Batch operation; multisample devices

Landscapes

  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
GB9220976A 1988-12-06 1992-10-06 A fluorimeter Expired - Fee Related GB2258728B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9220976A GB2258728B (en) 1988-12-06 1992-10-06 A fluorimeter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8828476A GB2228081B (en) 1988-12-06 1988-12-06 A fluorimeter, and a method of carrying out a fluorescent assay of a plurality of analytes
GB9220976A GB2258728B (en) 1988-12-06 1992-10-06 A fluorimeter

Publications (3)

Publication Number Publication Date
GB9220976D0 GB9220976D0 (en) 1992-11-18
GB2258728A GB2258728A (en) 1993-02-17
GB2258728B true GB2258728B (en) 1993-07-07

Family

ID=26294704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9220976A Expired - Fee Related GB2258728B (en) 1988-12-06 1992-10-06 A fluorimeter

Country Status (1)

Country Link
GB (1) GB2258728B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29620732U1 (en) * 1995-09-26 1997-04-24 Storz Karl Gmbh & Co Device for photodynamic diagnosis

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1034435A (en) * 1962-03-26 1966-06-29 Beckman Instruments Inc Double beam discharge lamp
US4320970A (en) * 1975-11-24 1982-03-23 Dowben Robert M Photon counting fluorimeter
WO1983003900A1 (en) * 1982-04-23 1983-11-10 Pharmacontrol Corp. Apparatus for use in spectroscopically analyzing properties of test samples
US4577109A (en) * 1980-10-06 1986-03-18 Regents Of The University Of California Remote multi-position information gathering system and method
GB2196734A (en) * 1986-09-30 1988-05-05 Astromed Ltd Multiple assaying technique
US4822127A (en) * 1986-06-16 1989-04-18 Shiley Incorporated Multi-channel optical transmission system
EP0355738A2 (en) * 1988-08-26 1990-02-28 Hitachi, Ltd. Fluorophotometer for use in automatic equipment of chemical analysis for measuring the intensity of fluorescence in the automatic equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1034435A (en) * 1962-03-26 1966-06-29 Beckman Instruments Inc Double beam discharge lamp
US4320970A (en) * 1975-11-24 1982-03-23 Dowben Robert M Photon counting fluorimeter
US4577109A (en) * 1980-10-06 1986-03-18 Regents Of The University Of California Remote multi-position information gathering system and method
WO1983003900A1 (en) * 1982-04-23 1983-11-10 Pharmacontrol Corp. Apparatus for use in spectroscopically analyzing properties of test samples
US4822127A (en) * 1986-06-16 1989-04-18 Shiley Incorporated Multi-channel optical transmission system
GB2196734A (en) * 1986-09-30 1988-05-05 Astromed Ltd Multiple assaying technique
EP0355738A2 (en) * 1988-08-26 1990-02-28 Hitachi, Ltd. Fluorophotometer for use in automatic equipment of chemical analysis for measuring the intensity of fluorescence in the automatic equipment

Also Published As

Publication number Publication date
GB9220976D0 (en) 1992-11-18
GB2258728A (en) 1993-02-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee