WO2005001021A3 - Nanocarpets for trapping particulates, bacteria and spores - Google Patents

Nanocarpets for trapping particulates, bacteria and spores Download PDF

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Publication number
WO2005001021A3
WO2005001021A3 PCT/US2003/017912 US0317912W WO2005001021A3 WO 2005001021 A3 WO2005001021 A3 WO 2005001021A3 US 0317912 W US0317912 W US 0317912W WO 2005001021 A3 WO2005001021 A3 WO 2005001021A3
Authority
WO
WIPO (PCT)
Prior art keywords
nanocarpets
spores
bacteria
trapping particulates
particulate
Prior art date
Application number
PCT/US2003/017912
Other languages
French (fr)
Other versions
WO2005001021A2 (en
Inventor
Flavio Noca
Brian D Hunt
Michael J Bronikowski
Michael E Hoenk
Robert S Kowalczyk
Daniel S Choi
Fei Chen
Original Assignee
California Inst Of Techn
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 California Inst Of Techn filed Critical California Inst Of Techn
Priority to AU2003304252A priority Critical patent/AU2003304252A1/en
Publication of WO2005001021A2 publication Critical patent/WO2005001021A2/en
Publication of WO2005001021A3 publication Critical patent/WO2005001021A3/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/021—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/021—Carbon
    • B01D71/0212—Carbon nanotubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055—Carbonaceous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0072—Inorganic membrane manufacture by deposition from the gaseous phase, e.g. sputtering, CVD, PVD
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B01J20/28007—Sorbent size or size distribution, e.g. particle size with size in the range 1-100 nanometers, e.g. nanosized particles, nanofibers, nanotubes, nanowires or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/20—Shape of filtering material
    • B01D2275/206—Special forms, e.g. adapted to a certain housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/30—Porosity of filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B01D2323/081—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/10—Catalysts being present on the surface of the membrane or in the pores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/38—Hydrophobic membranes
    • 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
    • G01N1/405—Concentrating samples by adsorption or absorption
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/701—Integrated with dissimilar structures on a common substrate
    • Y10S977/72—On an electrically conducting, semi-conducting, or semi-insulating substrate
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/724—Devices having flexible or movable element
    • Y10S977/725—Nanomotor/nanoactuator
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/734—Fullerenes, i.e. graphene-based structures, such as nanohorns, nanococoons, nanoscrolls or fullerene-like structures, e.g. WS2 or MoS2 chalcogenide nanotubes, planar C3N4, etc.
    • Y10S977/742—Carbon nanotubes, CNTs
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/734—Fullerenes, i.e. graphene-based structures, such as nanohorns, nanococoons, nanoscrolls or fullerene-like structures, e.g. WS2 or MoS2 chalcogenide nanotubes, planar C3N4, etc.
    • Y10S977/742—Carbon nanotubes, CNTs
    • Y10S977/745—Carbon nanotubes, CNTs having a modified surface
    • Y10S977/746—Modified with biological, organic, or hydrocarbon material

Abstract

A nanofeature particulate trap comprising a plurality of densely packed nanofeatures, such as nanotubes, and a particulate detector incorporating the nanofeature particulate trap are provided. A method of producing a nanotrap structure alone or integrated with a particulate detector is also provided.
PCT/US2003/017912 2002-06-06 2003-06-06 Nanocarpets for trapping particulates, bacteria and spores WO2005001021A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003304252A AU2003304252A1 (en) 2002-06-06 2003-06-06 Nanocarpets for trapping particulates, bacteria and spores

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38652602P 2002-06-06 2002-06-06
US60/386,526 2002-06-06

Publications (2)

Publication Number Publication Date
WO2005001021A2 WO2005001021A2 (en) 2005-01-06
WO2005001021A3 true WO2005001021A3 (en) 2005-05-12

Family

ID=33551170

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/017912 WO2005001021A2 (en) 2002-06-06 2003-06-06 Nanocarpets for trapping particulates, bacteria and spores

Country Status (3)

Country Link
US (1) US7175762B1 (en)
AU (1) AU2003304252A1 (en)
WO (1) WO2005001021A2 (en)

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US7067328B2 (en) * 2003-09-25 2006-06-27 Nanosys, Inc. Methods, devices and compositions for depositing and orienting nanostructures
EP1566623B1 (en) * 2004-02-06 2013-12-18 C.R.F. Società Consortile per Azioni Device for measuring the quantity of solid particles in a gas medium
US20080293842A1 (en) * 2004-05-13 2008-11-27 Nanodynamics, Inc. Self Assembled Nanotubes and Methods for Preparation Thereof
DE202004015240U1 (en) * 2004-09-27 2004-12-09 Silvertex Gmbh Thread system for installation in drinking water systems
EP1885647A1 (en) * 2005-04-22 2008-02-13 Seldon Technologies, LLC Article comprising carbon nanotubes and method of using the same for purifying fluids
EP1905874B1 (en) * 2005-05-31 2013-03-27 Kyocera Corporation Complex containing array of acicular crystal, method for producing the same, photoelectric conversion element, light emitting element and capacitor
WO2007025104A2 (en) * 2005-08-24 2007-03-01 The Regents Of The University Of California Membranes for nanometer-scale mass fast transport
JP4509981B2 (en) * 2006-08-11 2010-07-21 日東電工株式会社 Cleaning member, conveying member with cleaning function, and cleaning method for substrate processing apparatus
WO2008018251A1 (en) * 2006-08-11 2008-02-14 Nitto Denko Corporation Cleaning member, delivery member with cleaning function, and method of cleaning substrate processing apparatus
WO2008079465A2 (en) * 2006-09-11 2008-07-03 William Marsh Rice University Production of single-walled carbon nanotube grids
US20080169003A1 (en) * 2007-01-17 2008-07-17 Nasa Headquarters Field reactive amplification controlling total adhesion loading
CN101657717A (en) 2007-04-17 2010-02-24 Nxp股份有限公司 A fluid separation structure and a method of manufacturing a fluid separation structure
US8303693B2 (en) * 2007-04-26 2012-11-06 The Hong Kong Polytechnic University Nanofiber filter facemasks and cabin filters
US7810314B2 (en) * 2007-06-12 2010-10-12 Ford Global Technologies, Llc Approach for controlling particulate matter in an engine
WO2009148959A2 (en) 2008-05-29 2009-12-10 Lawrence Livermore National Security, Llc Membranes with functionalized carbon nanotube pores for selective transport
US7935259B2 (en) * 2008-07-03 2011-05-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Filtering apparatus and method of use
US8343403B2 (en) * 2008-07-16 2013-01-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for making a microporous membrane
WO2010148322A1 (en) * 2009-06-19 2010-12-23 Under Armour, Inc. Nanoadhesion structures for sporting gear
NL2003439C2 (en) * 2009-09-04 2011-03-09 Stichting Energie DEVICE AND METHOD FOR FILTERING FINE SUBSTANCE FROM A GAS.
KR101510801B1 (en) 2013-10-11 2015-04-09 국립대학법인 울산과학기술대학교 산학협력단 Fine ciliary structure for electrostatic suction apparatus
US11439708B2 (en) 2014-10-06 2022-09-13 Lawrence Livermore National Security, Llc Nanotube trans-membrane channels mimicking biological porins
CN105268125A (en) * 2015-03-17 2016-01-27 青岛瑞利特新材料科技有限公司 Silver nanowire PM 2.5 prevention mask filter element
GB2546524B (en) * 2016-01-21 2019-10-30 Nuwave Sensor Tech Limited Method and apparatus for remote identification and monitoring of airborne microbial activity
WO2020214696A1 (en) * 2019-04-15 2020-10-22 Northwestern University Method and system for air filtration

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US6027623A (en) * 1998-04-22 2000-02-22 Toyo Technologies, Inc. Device and method for electrophoretic fraction

Also Published As

Publication number Publication date
AU2003304252A1 (en) 2005-01-13
US7175762B1 (en) 2007-02-13
AU2003304252A8 (en) 2005-01-13
WO2005001021A2 (en) 2005-01-06
US20070039858A1 (en) 2007-02-22

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