DE3518527C2 - - Google Patents

Info

Publication number
DE3518527C2
DE3518527C2 DE19853518527 DE3518527A DE3518527C2 DE 3518527 C2 DE3518527 C2 DE 3518527C2 DE 19853518527 DE19853518527 DE 19853518527 DE 3518527 A DE3518527 A DE 3518527A DE 3518527 C2 DE3518527 C2 DE 3518527C2
Authority
DE
Germany
Prior art keywords
light
pulses
led
pulse
light source
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
Application number
DE19853518527
Other languages
German (de)
English (en)
Other versions
DE3518527A1 (de
Inventor
Ulrich Dr. 8702 Waldbrunn De Schreiber
Ulrich 8700 Wuerzburg De Schliwa
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Priority to DE19853518527 priority Critical patent/DE3518527A1/de
Publication of DE3518527A1 publication Critical patent/DE3518527A1/de
Application granted granted Critical
Publication of DE3518527C2 publication Critical patent/DE3518527C2/de
Granted 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
    • G01N21/6486—Measuring fluorescence of biological material, e.g. DNA, RNA, cells
    • 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
    • G01N2021/635—Photosynthetic material analysis, e.g. chrorophyll
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N2021/8466—Investigation of vegetal material, e.g. leaves, plants, fruits
    • 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
    • G01N2201/062—LED's
    • G01N2201/0621—Supply
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
DE19853518527 1985-05-23 1985-05-23 Fluorometer auf impulsbasis Granted DE3518527A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853518527 DE3518527A1 (de) 1985-05-23 1985-05-23 Fluorometer auf impulsbasis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853518527 DE3518527A1 (de) 1985-05-23 1985-05-23 Fluorometer auf impulsbasis

Publications (2)

Publication Number Publication Date
DE3518527A1 DE3518527A1 (de) 1986-11-27
DE3518527C2 true DE3518527C2 (zh) 1987-07-16

Family

ID=6271436

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853518527 Granted DE3518527A1 (de) 1985-05-23 1985-05-23 Fluorometer auf impulsbasis

Country Status (1)

Country Link
DE (1) DE3518527A1 (zh)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4332163A1 (de) * 1993-09-22 1995-03-23 Kolibri Umweltanalytik Und On Verfahren und Gerät zur Schadstoffanalyse von Gewässerproben
DE19910436A1 (de) * 1999-03-10 2000-10-12 Ulrich Schreiber Zweikanal-Chlorophyllfluorometer für Toxizität - Biotests
DE10242529A1 (de) * 2002-09-12 2004-03-25 Forschungszentrum Jülich GmbH Meßsystem mit photoempfindlicher Elektrode
DE10242530A1 (de) * 2002-09-12 2004-03-25 Forschungszentrum Jülich GmbH Lichtquelle für ein Meßsystem mit photoempfindlicher Elektrode zum Nachweis eines oder mehrerer Analyten
DE102005061674A1 (de) * 2005-12-21 2007-07-05 Hochschule Mannheim Faseroptisches Fluoreszenzsensorsystem
CN102519880A (zh) * 2011-12-27 2012-06-27 中国计量学院 厚度补偿式叶绿素仪
CN108920857A (zh) * 2018-07-10 2018-11-30 南京大学 一种高计算效率的日光诱导叶绿素荧光的模拟方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0237363A3 (en) * 1986-03-14 1989-10-18 Norrish, Richard John Improvements in measurement of fluorescence
SE8602011D0 (sv) * 1986-04-30 1986-04-30 Roland Wass Anordning for metning av fotosynteseffektivitet hos vexter
FI900134A (fi) * 1990-01-10 1991-07-11 Laennen Tehtaat Oy Foerfarande foer identifiering av plantor.
NL193413C (nl) * 1991-09-27 1999-09-06 Ears Ingenieursbureau Voor Env Meetinrichting voor het bepalen van het quantum-rendement van de fotosynthese van een plant.
DE4140414A1 (de) * 1991-12-07 1993-06-09 Christian 2300 Kiel De Moldaenke Verfahren zur messung der fluoreszenzrueckmeldung von algen
WO2000075642A1 (de) * 1999-06-06 2000-12-14 Planto Gmbh Gerät zur messung von laserinduzierter fluoreszenz von pigmenten und/oder umweltschadstoffen
CA2416113C (en) * 2000-07-14 2011-02-08 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Agriculture And Agri-Food Canada A method and apparatus for monitoring a condition in chlorophyll containing matter
CA2352639A1 (en) 2000-07-14 2002-01-14 John Joseph Cullen A method and apparatus for monitoring a condition in chlorophyll containing matter
FR2830325B1 (fr) 2001-09-28 2003-12-26 Centre Nat Rech Scient Dispositif de mesure des caracteristiques d'absorption lumineuse d'un echantillon de tissu biologique, procede de mesure associe, et applications dans le domaine de l'analyse vegetale et le domaine medical
US7262853B2 (en) 2003-09-23 2007-08-28 X-Rite, Inc. Color measurement instrument
US7301158B1 (en) * 2004-12-15 2007-11-27 Turner Designs, Inc. Method and apparatus for measuring active fluorescence
EP1957962A2 (en) * 2005-11-29 2008-08-20 Koninklijke Philips Electronics N.V. Bio chip device with a sample compartment and a light sensitive element, method for the detection of fluorescent particles within at least one sample compartment of a bio chip device
DE102008018475A1 (de) 2008-04-11 2009-10-15 Carl Zeiss Ag Vorrichtung und Verfahren zur Lumineszenzmessung
CN101865846B (zh) * 2010-06-11 2011-12-21 浙江大学 植物叶绿素荧光在线检测装置
PT107052B (pt) * 2013-07-09 2015-10-05 Univ Aveiro Sistema e método de medição da resposta da fluorescência da clorofila a a variações da intensidade ou qualidade da luz
DE102013108189A1 (de) * 2013-07-31 2015-02-05 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Anordnung zur optischen Messung einer Prozessgröße und Messgerät umfassend eine solche
DE102018122510A1 (de) * 2018-09-14 2020-03-19 Endress+Hauser Conducta Gmbh+Co. Kg Optischer Sensor
US11448630B2 (en) 2019-02-08 2022-09-20 Rensselaer Polytechnic Institute Plant fluorometer for remote detection of growth dynamics

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830222A (en) * 1972-07-07 1974-08-20 Johnson Res Foundation Method and apparatus for observing rates of reaction of oxygen in living tissues
US3811777A (en) * 1973-02-06 1974-05-21 Johnson Res Foundation Medical Time-sharing fluorometer and reflectometer
US4084905A (en) * 1976-03-11 1978-04-18 Canadian Patents & Development Limited Apparatus for detecting and measuring fluorescence emission
US4178512A (en) * 1978-07-21 1979-12-11 Impulsphysik Gmbh Deepwater in-situ fluorometer
JPS5958745A (ja) * 1982-09-28 1984-04-04 Hamamatsu Tv Kk 微弱発光現象の観測装置
DE3303510A1 (de) * 1983-01-31 1983-07-14 Peter Dr.-Ing. Gräber Rechnergesteuertes fluorometer mit auswerteeinheit zur schadstoffdetektion an intakten pflanzen und isolierten chloroplasten

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4332163A1 (de) * 1993-09-22 1995-03-23 Kolibri Umweltanalytik Und On Verfahren und Gerät zur Schadstoffanalyse von Gewässerproben
DE19910436A1 (de) * 1999-03-10 2000-10-12 Ulrich Schreiber Zweikanal-Chlorophyllfluorometer für Toxizität - Biotests
DE10242529A1 (de) * 2002-09-12 2004-03-25 Forschungszentrum Jülich GmbH Meßsystem mit photoempfindlicher Elektrode
DE10242530A1 (de) * 2002-09-12 2004-03-25 Forschungszentrum Jülich GmbH Lichtquelle für ein Meßsystem mit photoempfindlicher Elektrode zum Nachweis eines oder mehrerer Analyten
DE102005061674A1 (de) * 2005-12-21 2007-07-05 Hochschule Mannheim Faseroptisches Fluoreszenzsensorsystem
DE102005061674B4 (de) * 2005-12-21 2008-01-10 Hochschule Mannheim Faseroptisches Fluoreszenzsensorsystem
CN102519880A (zh) * 2011-12-27 2012-06-27 中国计量学院 厚度补偿式叶绿素仪
CN102519880B (zh) * 2011-12-27 2013-05-01 中国计量学院 厚度补偿式叶绿素仪
CN108920857A (zh) * 2018-07-10 2018-11-30 南京大学 一种高计算效率的日光诱导叶绿素荧光的模拟方法

Also Published As

Publication number Publication date
DE3518527A1 (de) 1986-11-27

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee