Measurement of fluorescence

Details Measurement of fluorescence Measurement of fluorescence

1987-03-13

1989-02-14

Howell, Janice A.

Radiant energy

Luminophor irradiation

Methods

356317, 356417, F21V 916

Patent

active

048048500

ABSTRACT:
A fluorometer probe head and a method of operating a probe to overcome problems of reflectance.
A preferred embodiment for determination of chlorophyll in plant leaves uses a red LED and a green LED consecutively directed to a particular target spot and a photodiode records fluoresced and reflected signals to provide an accurate result.

REFERENCES:
patent: 3598994 (1971-08-01), Markle
patent: 4084905 (1978-04-01), Schreiber et al.
patent: 4500641 (1985-02-01), Vanden Engh et al.
patent: 4699510 (1987-10-01), Alguard

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