CA3247869A1 - METHODS AND DEVICES FOR DETERMINING THE CONCENTRATION OF AT LEAST ONE ANALYTE IN A BODY FLUID - Google Patents

METHODS AND DEVICES FOR DETERMINING THE CONCENTRATION OF AT LEAST ONE ANALYTE IN A BODY FLUID

Info

Publication number
CA3247869A1
CA3247869A1 CA3247869A CA3247869A CA3247869A1 CA 3247869 A1 CA3247869 A1 CA 3247869A1 CA 3247869 A CA3247869 A CA 3247869A CA 3247869 A CA3247869 A CA 3247869A CA 3247869 A1 CA3247869 A1 CA 3247869A1
Authority
CA
Canada
Prior art keywords
color
optical test
training set
color formation
corrupted
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.)
Pending
Application number
CA3247869A
Other languages
English (en)
French (fr)
Inventor
Max Berg
Fredrik Hailer
Bernhard Limburg
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of CA3247869A1 publication Critical patent/CA3247869A1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/8483—Investigating reagent band
    • 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
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/66—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood sugars, e.g. galactose
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/251—Colorimeters; Construction thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/272—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration for following a reaction, e.g. for determining photometrically a reaction rate (photometric cinetic analysis)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems 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
    • G01N21/78—Systems 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 producing a change of colour
    • 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
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Cell Biology (AREA)
  • Microbiology (AREA)
  • Diabetes (AREA)
  • Biophysics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Biotechnology (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
CA3247869A 2022-02-11 2023-02-10 METHODS AND DEVICES FOR DETERMINING THE CONCENTRATION OF AT LEAST ONE ANALYTE IN A BODY FLUID Pending CA3247869A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP22156307.5 2022-02-11
EP22156307 2022-02-11
PCT/EP2023/053265 WO2023152266A1 (en) 2022-02-11 2023-02-10 Methods and devices for determining the concentration of at least one analyte in a bodily fluid

Publications (1)

Publication Number Publication Date
CA3247869A1 true CA3247869A1 (en) 2023-08-17

Family

ID=80682739

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3247869A Pending CA3247869A1 (en) 2022-02-11 2023-02-10 METHODS AND DEVICES FOR DETERMINING THE CONCENTRATION OF AT LEAST ONE ANALYTE IN A BODY FLUID

Country Status (8)

Country Link
US (1) US20240418728A1 (cg-RX-API-DMAC7.html)
EP (1) EP4476532B1 (cg-RX-API-DMAC7.html)
JP (1) JP2025507363A (cg-RX-API-DMAC7.html)
KR (1) KR20240144932A (cg-RX-API-DMAC7.html)
CN (1) CN118696227A (cg-RX-API-DMAC7.html)
CA (1) CA3247869A1 (cg-RX-API-DMAC7.html)
TW (1) TW202346839A (cg-RX-API-DMAC7.html)
WO (1) WO2023152266A1 (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025162741A1 (en) * 2024-01-30 2025-08-07 Roche Diabetes Care Gmbh Method of detecting an analyte in a sample of bodily fluid

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009145250A1 (ja) 2008-05-29 2009-12-03 アークレイ株式会社 免疫分析装置および免疫分析方法
KR101669739B1 (ko) 2011-11-14 2016-10-27 에프. 호프만-라 로슈 아게 샘플에서 적어도 하나의 분석물을 검출하기 위한 분석 장치
US9311520B2 (en) 2012-08-08 2016-04-12 Scanadu Incorporated Method and apparatus for performing and quantifying color changes induced by specific concentrations of biological analytes in an automatically calibrated environment
US20150247874A1 (en) 2014-02-28 2015-09-03 Government Of The United States As Represented By The Secretary Of The Air Force Metal nanoparticle-aptamer conjugates for detection of small molecules and in-the-field use thereof
EP2916117A1 (en) 2014-03-05 2015-09-09 Scanadu Incorporated Quantifying color changes of chemical test pads induced by specific concentrations of biological analytes under different lighting conditions
TWI810247B (zh) 2018-02-26 2023-08-01 瑞士商赫孚孟拉羅股份公司 用於校準和使用攝影機來偵測樣品中的分析物之方法及系統
US11243160B2 (en) * 2018-03-28 2022-02-08 Detekt Biomedical, Llc Custom optical reference calibrator fabrication system
US11112406B2 (en) 2018-06-15 2021-09-07 Reliant Immune Diagnostics, Inc. System and method for digital remote primary, secondary, and tertiary color calibration via smart device in analysis of medical test results
EP3983805B1 (en) * 2019-06-14 2024-06-26 DeLaval Holding AB System for determining validity of a lateral flow test result

Also Published As

Publication number Publication date
TW202346839A (zh) 2023-12-01
EP4476532A1 (en) 2024-12-18
WO2023152266A1 (en) 2023-08-17
CN118696227A (zh) 2024-09-24
JP2025507363A (ja) 2025-03-18
EP4476532B1 (en) 2026-01-28
KR20240144932A (ko) 2024-10-04
EP4476532C0 (en) 2026-01-28
US20240418728A1 (en) 2024-12-19

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