Single detector multicolor particle analyzer and method

Details Single detector multicolor particle analyzer and method Single detector multicolor particle analyzer and method

2004-04-08

2009-02-03

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S458100, C422S081000, C204S602000

Reexamination Certificate

active

07485888

ABSTRACT:
A multicolor particle analyzer and method is described. The particles each of which either naturally fluoresce or are tagged to fluoresce at distinctive wavelengths are caused to flow through an analyzing volume where fluorescence is excited by an impinging light beam. A tunable optical filter repetitively and sequentially passes emitted light at each of the characteristic wavelengths as each particle travels through the analyzing volume and the light transmitted through the optical filter is received by single detector which provides output signals representative of each distinct wavelength of light emitted by the particle.

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patent: 6210973 (2001-04-01), Pettit
patent: 2003/0017076 (2003-01-01), Kochy et al.
patent: 2004/0096977 (2004-05-01), Rakestraw et al.

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