Aerosol Collection into Small Liquid Volumes for Biological Assays

Award Information
Agency:
Department of Homeland Security
Branch
n/a
Amount:
$99,996.00
Award Year:
2006
Program:
SBIR
Phase:
Phase I
Contract:
NBCH060106
Award Id:
80880
Agency Tracking Number:
611211
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Aerosol Dynamics Inc. (Currently AEROSOL DYNAMICS, INC.)
935 Grayson St., Berkeley, CA, 94710
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Susanne Hering
President
(510) 649-9360
susanne@aerosol.us
Business Contact:
Susanne Hering
President
(510) 649-9360
susanne@aerosol.us
Research Institution:
n/a
Abstract
Detection systems for aeropathogens require the concentration of airborne particles from large volumes of air into small volumes of liquid. This proposal addresses this need through droplet encapsulation of airborne particles, with subsequent capture into a microliter-sized collection reservoir. Droplet encapsulation is accomplished through our company¿s proven, patented growth tube technology. The encapsulation occurs rapidly, within 5 milisecs, by condensational growth in region of water vapor supersaturation. The supersaturation is created in a thermally-diffusive laminar flow. No steam or temperature extremes are required. The final droplet size can be controlled, and for small particles is independent of the initial particle size. In Phase 1 this approach will be explored for the collection of 0.5 µm to 10 µm particles from an air flow of 10 L/min into liquid volumes of 30 µL or less. Results will be used to assess the power, size and performance to be expected for a Phase 2 system that will be scaled to air flow rates of 100 L/min.

* information listed above is at the time of submission.

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