Fluorimeter and detection method

Details Fluorimeter and detection method Fluorimeter and detection method

1998-05-11

1999-04-13

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

356417, 2504581, G01N 2164

Patent

active

058943471

ABSTRACT:
A method and fluorimeter for flashing a target at several different levels for detection of fluorescence by a PMT without blinding the PMT at the highest level. Two lamps are provided each of which is powered to flash at two different levels that are staged in energy from the lowest of four to the highest of four levels, and a shutter is provided to close off the PMT from exposure when an acceptable, detectable level of fluorescence is detected by the PMT.

REFERENCES:
patent: 4076420 (1978-02-01), De Maeyer et al.
patent: 4942303 (1990-07-01), Kolber et al.
patent: 5491343 (1996-02-01), Brooker

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