Moving particles suspended in a carrier fluid through a flow cha

Details Moving particles suspended in a carrier fluid through a flow cha Moving particles suspended in a carrier fluid through a flow cha

1976-06-03

1978-09-05

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250303, 250432R, 324 71CP, G01T 120

Patent

active

041123018

ABSTRACT:
Inert gas under pressure forces a suspension of particles in a carrier fluid through a flow channel including tubes of narrow diameter at a pressure high enough to establish laminar flow free from turbulence at a speed determined by a constant displacement rate syringe at the downstream end of the flow channel. At at least two locations along the flow channel measurements are made of particle conditions, such as radioactivity and size, to provide a multiple of particle signals which are correlated to provide a multi-dimensional characterization of the particles, such as the number of cells exceeding a predetermined radioactivity level for each of a number of cell size ranges.

REFERENCES:
patent: 2985830 (1961-05-01), Coulter et al.
patent: 3742226 (1973-06-01), Smallbone
patent: 3857033 (1974-12-01), Cobb
patent: 3912929 (1975-10-01), Cobb et al.

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