WO2008108791A3 - An integrated airborne substance collection and detection system - Google Patents

An integrated airborne substance collection and detection system Download PDF

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Publication number
WO2008108791A3
WO2008108791A3 PCT/US2007/013925 US2007013925W WO2008108791A3 WO 2008108791 A3 WO2008108791 A3 WO 2008108791A3 US 2007013925 W US2007013925 W US 2007013925W WO 2008108791 A3 WO2008108791 A3 WO 2008108791A3
Authority
WO
WIPO (PCT)
Prior art keywords
particles
detection system
airflow
detect
substance collection
Prior art date
Application number
PCT/US2007/013925
Other languages
French (fr)
Other versions
WO2008108791A2 (en
Inventor
Allen Northrup
Farzad Pourahmadi
Bob Yuan
Amy J Devitt
Original Assignee
Microfluidic Systems Inc
Allen Northrup
Farzad Pourahmadi
Bob Yuan
Amy J Devitt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microfluidic Systems Inc, Allen Northrup, Farzad Pourahmadi, Bob Yuan, Amy J Devitt filed Critical Microfluidic Systems Inc
Publication of WO2008108791A2 publication Critical patent/WO2008108791A2/en
Publication of WO2008108791A3 publication Critical patent/WO2008108791A3/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2273—Atmospheric sampling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
    • G01N2001/2217—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption using a liquid

Abstract

A collection and detection system is configured as a detect to warn system in which the presence of specific types of particles are detected, and may or may not be identified. An air collection module intakes ambient air, detect the presence of one or more different types of airborne particles within the ambient air, and collect the airborne particles, such as within a fluid. A triggering mechanism is positioned to continuously monitor the airflow, to determine one or more characteristics of the airborne particles. If those measured characteristics match specific known characteristics, a trigger signal is generated. In response, a confirmation device performs a detection method on a fluid solution including the airflow particles to determine the presence of one or more different types of specific biological particles.
PCT/US2007/013925 2006-08-24 2007-06-13 An integrated airborne substance collection and detection system WO2008108791A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/509,872 2006-08-24
US11/509,872 US7633606B2 (en) 2006-08-24 2006-08-24 Integrated airborne substance collection and detection system

Publications (2)

Publication Number Publication Date
WO2008108791A2 WO2008108791A2 (en) 2008-09-12
WO2008108791A3 true WO2008108791A3 (en) 2008-10-30

Family

ID=39112862

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/013925 WO2008108791A2 (en) 2006-08-24 2007-06-13 An integrated airborne substance collection and detection system

Country Status (2)

Country Link
US (1) US7633606B2 (en)
WO (1) WO2008108791A2 (en)

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Also Published As

Publication number Publication date
WO2008108791A2 (en) 2008-09-12
US7633606B2 (en) 2009-12-15
US20080048874A1 (en) 2008-02-28

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