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U.S. Department of Energy
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Fast repetition rate (FRR) fluorometer and method for measuring fluorescence and photosynthetic parameters

Patent ·
OSTI ID:869940

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

References (1)

Relationship of steady-state photosynthesis to fluorescence in eucaryotic algae journal April 1986