WO2004034036A3 - Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition - Google Patents

Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition Download PDF

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Publication number
WO2004034036A3
WO2004034036A3 PCT/CA2003/001559 CA0301559W WO2004034036A3 WO 2004034036 A3 WO2004034036 A3 WO 2004034036A3 CA 0301559 W CA0301559 W CA 0301559W WO 2004034036 A3 WO2004034036 A3 WO 2004034036A3
Authority
WO
WIPO (PCT)
Prior art keywords
capture
filter
desired amount
methods
filter apparatus
Prior art date
Application number
PCT/CA2003/001559
Other languages
French (fr)
Other versions
WO2004034036A2 (en
Inventor
Gary W Ferguson
Original Assignee
G6 Science Corp
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 G6 Science Corp filed Critical G6 Science Corp
Priority to CA002501660A priority Critical patent/CA2501660A1/en
Priority to AU2003278007A priority patent/AU2003278007A1/en
Priority to EP03769088A priority patent/EP1556677A2/en
Publication of WO2004034036A2 publication Critical patent/WO2004034036A2/en
Publication of WO2004034036A3 publication Critical patent/WO2004034036A3/en

Links

Classifications

    • 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
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/22—Controlling or regulating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/2813—Producing thin layers of samples on a substrate, e.g. smearing, spinning-on
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

The present invention is a filter apparatus (205) with methods to capture a desired amount of material suspended in a liquid or gas for monolayer deposition, analysis or other uses. Novel filter devices are employed to capture material which may be used for the purification or enrichment of various sample constituents or captured material may be observed or analyzed. Alternatively, particulate material may be used as a transport mechanism for proteins or chemicals which in turn may be assessed or used. The filter device employs means to sense pressure (250) and adjust, halt or otherwise control sample flow. The pressure sensor (250) essentially monitors the flow rate of sample suspension through a filter (215), typically responding at a predetermined pressure associated with capture of a desired amount of material on the filter. A separate valve or valve integrated with pressure sensing provides a means to adjust sample flow.
PCT/CA2003/001559 2002-10-11 2003-10-10 Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition WO2004034036A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002501660A CA2501660A1 (en) 2002-10-11 2003-10-10 Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition
AU2003278007A AU2003278007A1 (en) 2002-10-11 2003-10-10 Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition
EP03769088A EP1556677A2 (en) 2002-10-11 2003-10-10 Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition, analysis or other uses

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/269,220 2002-10-11
US10/269,220 US6905594B2 (en) 2002-10-11 2002-10-11 Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition, analysis or other uses

Publications (2)

Publication Number Publication Date
WO2004034036A2 WO2004034036A2 (en) 2004-04-22
WO2004034036A3 true WO2004034036A3 (en) 2004-11-18

Family

ID=32068726

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2003/001559 WO2004034036A2 (en) 2002-10-11 2003-10-10 Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition

Country Status (6)

Country Link
US (2) US6905594B2 (en)
EP (1) EP1556677A2 (en)
CN (1) CN1720441A (en)
AU (1) AU2003278007A1 (en)
CA (1) CA2501660A1 (en)
WO (1) WO2004034036A2 (en)

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Also Published As

Publication number Publication date
EP1556677A2 (en) 2005-07-27
US6905594B2 (en) 2005-06-14
US20040069714A1 (en) 2004-04-15
CN1720441A (en) 2006-01-11
US7341669B2 (en) 2008-03-11
AU2003278007A1 (en) 2004-05-04
WO2004034036A2 (en) 2004-04-22
CA2501660A1 (en) 2004-04-22
US20050150841A1 (en) 2005-07-14
AU2003278007A8 (en) 2004-05-04

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