Fast repetition rate (FRR) fluorometer and method for measuring fluorescence and photosynthetic parameters
Patent
·
OSTI ID:869940
- Shoreham, NY
- Stony Brook, NY
A fast repetition rate fluorometer device and method for measuring in vivo fluorescence of phytoplankton or higher plants chlorophyll and photosynthetic parameters of phytoplankton or higher plants by illuminating the phytoplankton or higher plants with a series of fast repetition rate excitation flashes effective to bring about and measure resultant changes in fluorescence yield of their Photosystem II. The series of fast repetition rate excitation flashes has a predetermined energy per flash and a rate greater than 10,000 Hz. Also, disclosed is a flasher circuit for producing the series of fast repetition rate flashes.
- Research Organization:
- ASSOC UNIVERSITIES INC
- DOE Contract Number:
- AC02-76CH00016
- Assignee:
- Associated Universities, Inc. (Washington, DC)
- Patent Number(s):
- US 5426306
- Application Number:
- 08/138,984
- OSTI ID:
- 869940
- Country of Publication:
- United States
- Language:
- English
Relationship of steady-state photosynthesis to fluorescence in eucaryotic algae
|
journal | April 1986 |
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bring
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chlorophyll
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effective
energy
excitation
fast
fast repetition
flash
flasher
flashes
fluorescence
fluorometer
fluorometer device
frr
hz
ii
illuminating
measure
measuring
measuring fluorescence
method
parameters
photosynthetic
photosynthetic parameters
photosystem
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predetermined
predetermined energy
producing
rate
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repetition
repetition rate
resultant
series
vivo
yield