WO2006065987A3 - Systems and methods of light-scattering based in vivo flow cytometry - Google Patents

Systems and methods of light-scattering based in vivo flow cytometry Download PDF

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Publication number
WO2006065987A3
WO2006065987A3 PCT/US2005/045408 US2005045408W WO2006065987A3 WO 2006065987 A3 WO2006065987 A3 WO 2006065987A3 US 2005045408 W US2005045408 W US 2005045408W WO 2006065987 A3 WO2006065987 A3 WO 2006065987A3
Authority
WO
WIPO (PCT)
Prior art keywords
systems
flow cytometry
methods
light
vivo flow
Prior art date
Application number
PCT/US2005/045408
Other languages
French (fr)
Other versions
WO2006065987A2 (en
Inventor
Irene Georgakoudi
Charles P Lin
Original Assignee
Masschusetts General Hospital
Irene Georgakoudi
Charles P Lin
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 Masschusetts General Hospital, Irene Georgakoudi, Charles P Lin filed Critical Masschusetts General Hospital
Publication of WO2006065987A2 publication Critical patent/WO2006065987A2/en
Publication of WO2006065987A3 publication Critical patent/WO2006065987A3/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N15/1456—Electro-optical investigation, e.g. flow cytometers without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • G01N15/1459—Electro-optical investigation, e.g. flow cytometers without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2503/00—Evaluating a particular growth phase or type of persons or animals
    • A61B2503/40—Animals
    • G01N2015/012—
    • G01N2015/016—
    • G01N2015/018—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N2015/1486—Counting the particles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N2015/1488—Methods for deciding

Abstract

The present invention provides methods and systems for performing in-vivo flow cytometry to obtain desired information regarding one or more cell types of interest flowing through a subject's circulatory system. In one embodiment of the invention, a portion of the subject's circulating blood is illuminated with radiation having multiple wavelength components, and the backscattered radiation generated in response to the excitation radiation is detected at a plurality of scattering angles and analyzed to derive the desired information.
PCT/US2005/045408 2004-12-17 2005-12-14 Systems and methods of light-scattering based in vivo flow cytometry WO2006065987A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/016,545 US7264794B2 (en) 2004-12-17 2004-12-17 Methods of in vivo cytometry
US11/016,545 2004-12-17

Publications (2)

Publication Number Publication Date
WO2006065987A2 WO2006065987A2 (en) 2006-06-22
WO2006065987A3 true WO2006065987A3 (en) 2007-07-12

Family

ID=36588544

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/045408 WO2006065987A2 (en) 2004-12-17 2005-12-14 Systems and methods of light-scattering based in vivo flow cytometry

Country Status (2)

Country Link
US (2) US7264794B2 (en)
WO (1) WO2006065987A2 (en)

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Also Published As

Publication number Publication date
US20070299327A1 (en) 2007-12-27
WO2006065987A2 (en) 2006-06-22
US20060134003A1 (en) 2006-06-22
US7264794B2 (en) 2007-09-04
US8108031B2 (en) 2012-01-31

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