IN2014DN07535A - - Google Patents

Info

Publication number
IN2014DN07535A
IN2014DN07535A IN7535DEN2014A IN2014DN07535A IN 2014DN07535 A IN2014DN07535 A IN 2014DN07535A IN 7535DEN2014 A IN7535DEN2014 A IN 7535DEN2014A IN 2014DN07535 A IN2014DN07535 A IN 2014DN07535A
Authority
IN
India
Prior art keywords
sensor
ros
barrier layer
sensing region
analyte
Prior art date
Application number
Other languages
English (en)
Inventor
William Paterson
Nick Barwell
Bruce Culbert
Barry Colin Crane
Original Assignee
Lightship Medical Ltd
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 Lightship Medical Ltd filed Critical Lightship Medical Ltd
Publication of IN2014DN07535A publication Critical patent/IN2014DN07535A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/66Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood sugars, e.g. galactose
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455Measuring 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
    • A61B5/1459Measuring 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 invasive, e.g. introduced into the body by a catheter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1468Measuring 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 chemical or electrochemical methods, e.g. by polarographic means
    • A61B5/1473Measuring 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 chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
    • A61B5/14735Measuring 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 chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter comprising an immobilised reagent
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N21/6428Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/536Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase
    • G01N33/542Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase with steric inhibition or signal modification, e.g. fluorescent quenching
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366Apparatus specially adapted for solid-phase testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/84Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving inorganic compounds or pH
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00Chemistry: analytical and immunological testing
    • Y10T436/14Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
    • Y10T436/142222Hetero-O [e.g., ascorbic acid, etc.]
    • Y10T436/143333Saccharide [e.g., DNA, etc.]
    • Y10T436/144444Glucose
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00Chemistry: analytical and immunological testing
    • Y10T436/20Oxygen containing
    • Y10T436/206664Ozone or peroxide
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00Chemistry: analytical and immunological testing
    • Y10T436/25Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25375Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
    • Y10T436/255Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.] including use of a solid sorbent, semipermeable membrane, or liquid extraction

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Biotechnology (AREA)
  • Cell Biology (AREA)
  • Microbiology (AREA)
  • Emergency Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma & Fusion (AREA)
  • Inorganic Chemistry (AREA)
  • Diabetes (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
IN7535DEN2014 2012-03-15 2013-02-20 IN2014DN07535A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261611239P 2012-03-15 2012-03-15
PCT/GB2013/050407 WO2013136044A2 (fr) 2012-03-15 2013-02-20 Capteur

Publications (1)

Publication Number Publication Date
IN2014DN07535A true IN2014DN07535A (fr) 2015-04-24

Family

ID=47833300

Family Applications (1)

Application Number Title Priority Date Filing Date
IN7535DEN2014 IN2014DN07535A (fr) 2012-03-15 2013-02-20

Country Status (8)

Country Link
US (3) US8940542B2 (fr)
EP (1) EP2825095A2 (fr)
JP (1) JP2015509803A (fr)
CN (1) CN104168827A (fr)
AU (1) AU2013234126A1 (fr)
CA (2) CA3095821C (fr)
IN (1) IN2014DN07535A (fr)
WO (1) WO2013136044A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6084172B2 (ja) 2011-03-15 2017-02-22 センセオニクス,インコーポレーテッド 酸化感受性材料の統合的な触媒による保護
EP2825095A2 (fr) * 2012-03-15 2015-01-21 Lightship Medical Limited Capteur
US9017622B2 (en) * 2012-04-10 2015-04-28 Lightship Medical Limited Calibrator for a sensor
US11109779B2 (en) 2012-12-28 2021-09-07 Senseonics, Incorporated Chemical modification of analyte permeable membrane for enhanced oxidative stability
CN105628756B (zh) * 2015-12-30 2018-09-21 南京工业大学 一种血液同步分离与传感膜的制备方法
EP3902468A4 (fr) 2018-12-28 2022-12-14 Dexcom, Inc. Capteur d'analyte à détermination d'impédance
CN110346341A (zh) * 2019-08-08 2019-10-18 生态环境部华南环境科学研究所 一种活性氧含量自动检测***

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JPS63291596A (ja) * 1987-05-22 1988-11-29 Meidensha Electric Mfg Co Ltd 生体試料中のグルコ−スの測定方法
US6387672B1 (en) 2000-12-04 2002-05-14 Beckman Coulter, Inc. Photo-induced electron transfer fluorescent sensor molecules
SE0200269D0 (sv) * 2002-01-31 2002-01-31 Ellem Bioteknik Ab Material for implantation
WO2004007756A1 (fr) 2002-07-12 2004-01-22 Novo Nordisk A/S Procede servant a ameliorer l'efficacite de detecteurs de glucose in vivo
US7761130B2 (en) * 2003-07-25 2010-07-20 Dexcom, Inc. Dual electrode system for a continuous analyte sensor
US7699964B2 (en) 2004-02-09 2010-04-20 Abbott Diabetes Care Inc. Membrane suitable for use in an analyte sensor, analyte sensor, and associated method
US8165651B2 (en) * 2004-02-09 2012-04-24 Abbott Diabetes Care Inc. Analyte sensor, and associated system and method employing a catalytic agent
JP2005315871A (ja) * 2004-03-31 2005-11-10 Terumo Corp 体内物質測定用構成物、体内物質測定用構成物の製造方法、および埋込型物質センサー
US7450980B2 (en) 2004-03-31 2008-11-11 Terumo Kabushiki Kaisha Intracorporeal substance measuring assembly
US8541146B2 (en) * 2005-01-12 2013-09-24 Toyota Motor Engineering & Manufacturing North America, Inc. Photocatalytic methods for preparation of electrocatalyst materials
ITFI20050002A1 (it) * 2005-01-11 2006-07-12 Acta Spa Assemblati mambrana-elettrodi per celle a combustibile, loro fabbricazione ed uso e celle a combustibile che le contegono
US20070014726A1 (en) 2005-07-18 2007-01-18 Sensors For Medicine And Science Oxidation-resistant indicator macromolecule
US20070154466A1 (en) 2005-12-30 2007-07-05 Jan Weber Internal medical devices containing peroxide-converting catalysts
TWI431100B (zh) 2006-11-30 2014-03-21 Senseonics Inc 抗氧化指示劑分子
AU2008213677A1 (en) 2007-02-06 2008-08-14 Glumetrics, Inc. Optical systems and methods for rationmetric measurement of blood glucose concentration
EP2162057A1 (fr) 2007-05-10 2010-03-17 Glumetrics, Inc. Capteur de fluorescence d'équilibre de non consommation permettant de mesurer le taux de glucose intravasculaire en temps réel
GB0715590D0 (en) 2007-08-09 2007-09-19 Glysure Ltd Sensing apparatus
WO2009067626A1 (fr) 2007-11-21 2009-05-28 Glumetrics, Inc. Utilisation d'un capteur intravasculaire à l'équilibre pour parvenir à une maîtrise précise de la glycémie
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US20120034550A1 (en) * 2009-04-21 2012-02-09 Washington University In St. Louis Palladium-Platinum Nanostructures And Methods For Their Preparation
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WO2011101626A1 (fr) * 2010-02-16 2011-08-25 Glysure Ltd Couche barrière pour capteur de glucose
EP2537033A1 (fr) 2010-02-19 2012-12-26 Lightship Medical Limited Système indicateur pour capteur à fibre optique
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EP2825095A2 (fr) 2012-03-15 2015-01-21 Lightship Medical Limited Capteur

Also Published As

Publication number Publication date
CA2867092C (fr) 2022-12-13
AU2013234126A1 (en) 2014-09-25
WO2013136044A2 (fr) 2013-09-19
CN104168827A (zh) 2014-11-26
US8940542B2 (en) 2015-01-27
CA3095821C (fr) 2023-03-14
CA3095821A1 (fr) 2013-09-19
US20140234982A1 (en) 2014-08-21
US9797909B2 (en) 2017-10-24
US9476886B2 (en) 2016-10-25
US20150219663A1 (en) 2015-08-06
US20170010274A1 (en) 2017-01-12
WO2013136044A3 (fr) 2013-12-27
JP2015509803A (ja) 2015-04-02
CA2867092A1 (fr) 2013-09-19
EP2825095A2 (fr) 2015-01-21

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