CA3140557A1 - System and method for performing a photoluminescence analysis on a medium - Google Patents

System and method for performing a photoluminescence analysis on a medium Download PDF

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Publication number
CA3140557A1
CA3140557A1 CA3140557A CA3140557A CA3140557A1 CA 3140557 A1 CA3140557 A1 CA 3140557A1 CA 3140557 A CA3140557 A CA 3140557A CA 3140557 A CA3140557 A CA 3140557A CA 3140557 A1 CA3140557 A1 CA 3140557A1
Authority
CA
Canada
Prior art keywords
analysis
spectral
light
excitation
illumination
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
CA3140557A
Other languages
English (en)
French (fr)
Inventor
Nicolas LAPOINTE
Damon DEPAOLI
Dominic Sauvageau
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.)
Zilia Inc
Original Assignee
Zilia 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 Zilia Inc filed Critical Zilia Inc
Publication of CA3140557A1 publication Critical patent/CA3140557A1/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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N21/6456—Spatial resolved fluorescence measurements; Imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/14—Arrangements specially adapted for eye photography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0071—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by measuring fluorescence emission
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6486—Measuring fluorescence of biological material, e.g. DNA, RNA, cells
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N2021/6417—Spectrofluorimetric devices
    • G01N2021/6421—Measuring at two or more wavelengths
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • G01N2021/653—Coherent methods [CARS]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Immunology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Eye Examination Apparatus (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
CA3140557A 2019-06-05 2020-06-05 System and method for performing a photoluminescence analysis on a medium Pending CA3140557A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962857345P 2019-06-05 2019-06-05
US62/857,345 2019-06-05
PCT/CA2020/050778 WO2020243842A1 (en) 2019-06-05 2020-06-05 System and method for performing a photoluminescence analysis on a medium

Publications (1)

Publication Number Publication Date
CA3140557A1 true CA3140557A1 (en) 2020-12-10

Family

ID=73652374

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3140557A Pending CA3140557A1 (en) 2019-06-05 2020-06-05 System and method for performing a photoluminescence analysis on a medium

Country Status (6)

Country Link
US (1) US12259327B2 (enExample)
EP (1) EP3979914A4 (enExample)
JP (1) JP7510441B2 (enExample)
CN (1) CN114173664B (enExample)
CA (1) CA3140557A1 (enExample)
WO (1) WO2020243842A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025537297A (ja) * 2022-11-15 2025-11-14 ジリア，インコーポレイテッド スペクトル及びｏｃｔ取得のためのマルチモーダルデバイス
EP4646996A1 (de) * 2024-05-07 2025-11-12 Oertli-Instrumente AG Ophthalmische beleuchtungsvorrichtung zur beleuchtung eines ophthalmischen lichtinstruments
WO2025249102A1 (ja) * 2024-05-29 2025-12-04 パナソニックＩｐマネジメント株式会社 撮像方法および撮像システム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3660193B2 (ja) * 2000-03-22 2005-06-15 株式会社ニデック 眼底カメラ
US6822741B2 (en) * 2001-09-07 2004-11-23 Wallac Oy Optical instrument and process for measurement of samples
FI20051329A0 (fi) 2005-12-27 2005-12-27 Wallac Oy Laitteisto ja menetelmä näytteiden optista mittausta varten
EP2219511A4 (en) 2007-11-13 2012-07-11 Univ Michigan METHOD AND DEVICE FOR DETECTING DISEASES OF THE EYE
US8485664B2 (en) * 2010-10-13 2013-07-16 Ocular Prognostics, LLC Handheld reflectometer for measuring macular pigment
CN103163111B (zh) * 2013-02-25 2015-11-04 天津大学 一种荧光介观成像和oct联合的早期宫颈癌检测系统
JP6417807B2 (ja) 2014-09-12 2018-11-07 株式会社ニデック 眼科用画像処理装置
WO2016041062A1 (en) * 2014-09-19 2016-03-24 Optina Diagnostics, Inc. Apparatus and method for producing a spectrally resolved image of a fundus of a subject
US10598914B2 (en) * 2015-07-14 2020-03-24 Massachusetts Institute Of Technology Enhancement of video-rate fluorescence imagery collected in the second near-infrared optical window
US10082466B2 (en) * 2016-04-26 2018-09-25 Molecular Devices, Llc Methods and systems for optical-based measurement with selectable excitation light paths

Also Published As

Publication number Publication date
JP2022535434A (ja) 2022-08-08
US20220307983A1 (en) 2022-09-29
EP3979914A1 (en) 2022-04-13
CN114173664A (zh) 2022-03-11
JP7510441B2 (ja) 2024-07-03
CN114173664B (zh) 2025-07-11
US12259327B2 (en) 2025-03-25
EP3979914A4 (en) 2023-02-15
WO2020243842A1 (en) 2020-12-10

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