Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Reexamination Certificate
2006-10-24
2006-10-24
Le, Long V. (Department: 1641)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
C422S083000, C422S082050, C422S082080, C435S007100, C435S283100, C435S288700, C436S035000, C436S036000, C436S149000, C436S153000, C436S172000, C436S181000, C356S036000, C356S037000, C356S300000, C356S318000, C356S335000, C250S281000, C250S282000, C250S283000, C250S288000, C250S299000
Reexamination Certificate
active
07125518
ABSTRACT:
Aerosol particle analyzer (APA) for measuring the amount of analyte in airborne particle is described. The APA uses an analysis liquid. When this analysis liquid is mixed with the particles, an optical property of the analysis liquid (CDAL) varies according to the amount of the analyte in the particles. A charged droplet of the analysis liquid is levitated. Airborne particles are drawn into the instrument and given a charge that is opposite that of the CDAL, and made to flow near the CDAL so that electrostatic forces greatly increase the probability that the CDAL and charged particles will combine. Then the CDAL is ejected into a horizontally oriented linear quadrupole that is in an airtight container, except for a small orifice to let the CDAL enter. The CDAL is levitated in a high humidity environment so that it evaporates slowly, so that there is time for the reaction between the analyte, if any, and the CDAL can take place, and so that the optical property, typically fluorescence, can be measured. The amount of the analyte in the particle is determined from the measured fluorescence or other optical property.
REFERENCES:
patent: 5532140 (1996-07-01), Arnold et al.
patent: 2005/0214168 (2005-09-01), Lin et al.
U.S. Appl. No. 11/126,515, filed May 2005, Hill et al.
Lamb, Dennis; Moyle, Alfred M.; and Brune, William H. “The Environmental Control of Individual Aqueous Particles in a Cubic Electrodynamic Levitation System.” Aerosol Science and Technology. vol. 24: 263-278 (1996).
Bloor Stephen M.
DiRamio Jacqueline A
Le Long V.
Miller Guy M.
Spevack A. David
LandOfFree
Aerosol particle analyzer for measuring the amount of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Aerosol particle analyzer for measuring the amount of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Aerosol particle analyzer for measuring the amount of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3637455