Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Reexamination Certificate
2007-04-10
2007-04-10
Le, Long V. (Department: 1641)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
C422S082050, C422S082080, C422S083000, C435S007100, C435S283100, C435S288700, C436S035000, C436S036000, C436S149000, C436S153000, C436S172000, C436S181000, C356S036000, C356S037000, C356S300000, C356S318000, C356S335000, C250S281000, C250S282000, C250S283000, C250S288000, C250S299000
Reexamination Certificate
active
10816579
ABSTRACT:
Aerosol particle analyzer (APA) for measuring an analyte in airborne particle is described. Airborne particles are first given an electrical charge and then drawn in air past an oppositely charged volume of an analysis liquid that exposed to the air at a small hole in a container, such as a capillary, that holds that analysis liquid. Electrostatic forces enhance the rate that the airborne particles collide with the small exposed volume of the analysis liquid in the hole. If the particles that collide with the analysis liquid contain the analyte, an optical property of the analysis liquid, such as the fluorescence, varies according to the amount of the analyte in the particles. This optical property is measured and the amount of analyte in the particles is determined from the measured optical property.
REFERENCES:
patent: 2005/0179893 (2005-08-01), Hill
Hill Steven Clyde
Lin Horn-Bond
Bloor Stephen
DiRamio Jacqueline A.
Le Long V.
Spevack A. David
The United States of America as Represented by the Secretary of
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