Method and apparatus for concentrated airborne particle...

Measuring and testing – Sampler – sample handling – etc. – With constituent separation

Reexamination Certificate

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C073S863410, C073S863710, C073S864000, C073S864910

Reexamination Certificate

active

07062982

ABSTRACT:
An apparatus for collecting biological aerosols from an air sample is provided comprising an air intake assembly adapted to draw the air sample into the apparatus, a separation section coupled to the intake assembly and adapted to separate aerosol particles from the air sample, a capture section coupled to the separation section and adapted to transport the aerosol particles in a stream of liquid, and a hydrophobic membrane disposed between the separation section and the capture section and adapted to establish a controllable air/fluid boundary therebetween. Further embodiments of the apparatus comprise an air intake assembly adapted to draw the air sample into the apparatus, a separation section coupled to the intake assembly and adapted to separate aerosol particles from the air sample, a capture section coupled to the separation section and adapted to transport the aerosol particles in a stream of liquid, and a corona charging section disposed between the separation section and the capture section and adapted to focus the aerosol particles into the stream of liquid.

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“Final Research Report—SBIR A002-0576 Phase I”, Rocky Mountain Research Labs, Inc., Sep. 28, 2001.
Copy of International Search Report dated Nov. 5, 2003 for corresponding PCT application, PCT/US03/20004.

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