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WO2000033062A8 - Aligned particle based sensor elements - Google Patents

Aligned particle based sensor elements

Info

Publication number
WO2000033062A8
WO2000033062A8 PCT/US1999/028282 US9928282W WO0033062A8 WO 2000033062 A8 WO2000033062 A8 WO 2000033062A8 US 9928282 W US9928282 W US 9928282W WO 0033062 A8 WO0033062 A8 WO 0033062A8
Authority
WO
WIPO (PCT)
Prior art keywords
aligned
sensors
aligned conductive
region
regions
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US1999/028282
Other languages
French (fr)
Other versions
WO2000033062A1 (en
WO2000033062A9 (en
Inventor
Steven A Sunshine
Beth C Munoz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smiths Detection Pasadena Inc
Original Assignee
Smiths Detection Pasadena Inc
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 Smiths Detection Pasadena Inc filed Critical Smiths Detection Pasadena Inc
Priority to AU31059/00A priority Critical patent/AU3105900A/en
Priority to US09/600,346 priority patent/US7113069B1/en
Priority to EP99965062A priority patent/EP1141690A4/en
Publication of WO2000033062A1 publication Critical patent/WO2000033062A1/en
Publication of WO2000033062A8 publication Critical patent/WO2000033062A8/en
Publication of WO2000033062A9 publication Critical patent/WO2000033062A9/en
Anticipated expiration legal-status Critical
Priority to US10/083,984 priority patent/US20020149466A1/en
Priority to US11/525,989 priority patent/US7471185B2/en
Priority to US12/318,426 priority patent/US20090201120A1/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

The present invention relates to a sensor array for detecting an analyte in a fluid, comprising first and second sensors formed by chemically sensitive resitors, wherein the first sensor comprises a region of aligned conductive material; or where each of the sensors comprises alternating regions of nonconductive regions and aligned conductive regions with each resistor providing an electrical path through both the nonconductive region and the aligned conductive region, while each sensor manifests a different electrical resistance during contact with sample fluids having different analyte concentrations via the monitoring arrangement of having the sensors electrically connected to an electrical measuring apparatus. The aligned conductive particle material is aligned by exposure to either of an electric, magnetic, optical, photo-electric, electromagnetic or mechanical field, which serves to improve signal to noise ratio of vapor sensors allowing Lower Detection Limits for vapors being sensed. Such Lower Detection Limits allow for identification of lower concentrations of hazardous material and is advantageous in medical applications, such as detection of disease states in a patient.
PCT/US1999/028282 1998-12-01 1999-11-30 Aligned particle based sensor elements Ceased WO2000033062A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU31059/00A AU3105900A (en) 1998-12-01 1999-11-30 Aligned particle based sensor elements
US09/600,346 US7113069B1 (en) 1999-11-30 1999-11-30 Aligned particle based sensor elements
EP99965062A EP1141690A4 (en) 1998-12-01 1999-11-30 Aligned particle based sensor elements
US10/083,984 US20020149466A1 (en) 1999-11-30 2002-02-27 Aligned particle based sensor elements
US11/525,989 US7471185B2 (en) 1998-12-01 2006-09-25 Aligned particle based sensor elements
US12/318,426 US20090201120A1 (en) 1998-12-01 2008-12-29 Aligned particle based sensor elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20199998A 1998-12-01 1998-12-01
US09/201,999 1998-12-01

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US20199998A Continuation 1998-12-01 1998-12-01

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US09600346 A-371-Of-International 1999-11-30
US11/525,989 Division US7471185B2 (en) 1998-12-01 2006-09-25 Aligned particle based sensor elements

Publications (3)

Publication Number Publication Date
WO2000033062A1 WO2000033062A1 (en) 2000-06-08
WO2000033062A8 true WO2000033062A8 (en) 2000-09-21
WO2000033062A9 WO2000033062A9 (en) 2000-12-07

Family

ID=22748164

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/028282 Ceased WO2000033062A1 (en) 1998-12-01 1999-11-30 Aligned particle based sensor elements

Country Status (3)

Country Link
EP (1) EP1141690A4 (en)
AU (1) AU3105900A (en)
WO (1) WO2000033062A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7113069B1 (en) 1999-11-30 2006-09-26 Smiths Detection Inc. Aligned particle based sensor elements
CN1185492C (en) 1999-03-15 2005-01-19 清华大学 Micro-electromagnetic unit array chip capable of single-point gating, electromagnetic biological chip and application
TW496775B (en) * 1999-03-15 2002-08-01 Aviva Bioscience Corp Individually addressable micro-electromagnetic unit array chips
US7122152B2 (en) 1999-05-10 2006-10-17 University Of Florida Spatiotemporal and geometric optimization of sensor arrays for detecting analytes fluids
US6631333B1 (en) 1999-05-10 2003-10-07 California Institute Of Technology Methods for remote characterization of an odor
WO2000068675A1 (en) 1999-05-10 2000-11-16 California Institute Of Technology Use of spatiotemporal response behavior in sensor arrays to detect analytes in fluids
US6890715B1 (en) 1999-08-18 2005-05-10 The California Institute Of Technology Sensors of conducting and insulating composites
EP1244906A1 (en) * 1999-12-30 2002-10-02 Cabot Corporation Sensors with improved properties
FR2820824B1 (en) * 2001-02-12 2004-06-04 Total Raffinage Distribution DEVICE FOR MEASURING THE EFFICIENCY OF A LUBRICATING OIL AND ITS APPLICATIONS
EP1278061B1 (en) 2001-07-19 2011-02-09 Sony Deutschland GmbH Chemical sensors from nanoparticle/dendrimer composite materials
WO2008088867A1 (en) 2007-01-19 2008-07-24 Cantimer Incorporated Piezoresistive microcantilever sensor and composition
US9803236B2 (en) 2010-08-06 2017-10-31 Tsinghua University Microarray-based assay integrated with particles for analyzing molecular interactions
CN103760355B (en) 2013-12-05 2015-09-16 博奥生物集团有限公司 Micro-array chip detects the particle marker method of nucleotide sequence

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198851A (en) * 1978-05-22 1980-04-22 University Of Utah Method and structure for detecting the concentration of oxygen in a substance
CA1108234A (en) * 1978-08-02 1981-09-01 George A. Volgyesi Measurement of anaesthetic gas concentration
DE3322481A1 (en) * 1983-06-22 1985-01-03 Siemens AG, 1000 Berlin und 8000 München THICK-LAYER GAS SENSOR FOR DETECTING AND MEASURING GASEOUS CARBON HYDROGEN IMPURITIES WITH DOUBLE AND TRIPLE BINDINGS, ESPECIALLY ACETYLENE, IN AIR AND A METHOD FOR THE PRODUCTION THEREOF
US4644101A (en) * 1985-12-11 1987-02-17 At&T Bell Laboratories Pressure-responsive position sensor
US4737112A (en) * 1986-09-05 1988-04-12 American Telephone And Telegraph Company, At&T Bell Laboratories Anisotropically conductive composite medium
US4923739A (en) * 1987-07-30 1990-05-08 American Telephone And Telegraph Company Composite electrical interconnection medium comprising a conductive network, and article, assembly, and method
JPS6459149A (en) * 1987-08-31 1989-03-06 Junkosha Co Ltd Oil leak sensor
US5238729A (en) * 1991-04-05 1993-08-24 Minnesota Mining And Manufacturing Company Sensors based on nanosstructured composite films
US5512882A (en) * 1991-08-07 1996-04-30 Transducer Research, Inc. Chemical sensing apparatus and methods
US5571401A (en) * 1995-03-27 1996-11-05 California Institute Of Technology Sensor arrays for detecting analytes in fluids
US5742223A (en) * 1995-12-07 1998-04-21 Raychem Corporation Laminar non-linear device with magnetically aligned particles
GB9526393D0 (en) * 1995-12-22 1996-02-21 Capteur Sensors & Analysers Gas sensing
DE19718584C1 (en) * 1997-05-05 1998-11-19 Fraunhofer Ges Forschung Gas sensor with parallel-connected metal oxide detector strips
US5942674A (en) * 1997-08-04 1999-08-24 Ford Global Technologies, Inc. Method for detecting oxygen partial pressure using a phase-transformation sensor

Also Published As

Publication number Publication date
AU3105900A (en) 2000-06-19
WO2000033062A1 (en) 2000-06-08
WO2000033062A9 (en) 2000-12-07
EP1141690A4 (en) 2002-08-07
EP1141690A1 (en) 2001-10-10

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