JP2016206199A - 微粒子サンプルの特徴付けと定量化のためのイメージサイトメータ - Google Patents
微粒子サンプルの特徴付けと定量化のためのイメージサイトメータ Download PDFInfo
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- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
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- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- G01N15/10—Investigating individual particles
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- G01N15/1468—Optical investigation techniques, e.g. flow cytometry with spatial resolution of the texture or inner structure of the particle
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- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- 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
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
開口に入射する光の平面波[A(x)]は像平面上にA(x)のフーリエ変換結果を生成する。特に、長方形ではなく円形の回折開口を考え、開口の半径をwとする。したがって、qが開口の平面内の半径座標であるとすると、tA(q)=circ(q/w)となる。問題の円形対称により、フーリエ変換をフーリエ−ベッセル変換として書き換えることが示唆される。フラウンホーファ回折パターン内の振幅分布は、
Claims (14)
- 微粒子サンプルの特徴付けと定量化を行うためのイメージサイトメータにおいて、
サンプルに向けられる入射ビームを生成し、ビームがサンプルを通過した後に実空間内の光信号が生成されるようにする光源と、
サンプルの後方に位置付けられ、空間周波数領域における光信号のフーリエ変換結果を生成する光変換システムと、
光変換システムの複数の焦点、すなわちサンプル上のある地点から発せられた光線が収束する点に配置された空間選択的フィルタと、
焦点に位置付けられ、結像されたフーリエ変換結果を検出する光センサアレイと、
を含むことを特徴とするイメージサイトメータ。 - 請求項1に記載のサイトメータにおいて、
光変換システムは光学レンズ、曲面鏡、又はピンホールであることを特徴とするサイトメータ。 - 請求項1又は2に記載のサイトメータにおいて、
空間選択的フィルタはマイクロレンズアレイであることを特徴とするサイトメータ。 - 請求項3に記載のサイトメータにおいて、
マイクロレンズは、直径が1ミリメートル未満、好ましくは10マイクロメータであり、支持基板上で2次元アレイを形成する小型レンズであることを特徴とするサイトメータ。 - 請求項1又は2に記載のサイトメータにおいて、
空間選択的フィルタは吸光ポリママスクであることを特徴とするサイトメータ。 - 吸光ポリママスクは、深さ1ミリメートル未満、好ましくは10マイクロメートルのピッチを有し、開口がピッチより1%〜30%小さいウェルを有することを特徴とするサイトメータ。
- 請求項5又は6に記載のサイトメータにおいて、
マスクの高さは1mm〜10mmの間であることを特徴とするサイトメータ。 - 請求項1〜7のいずれか1項に記載のサイトメータにおいて、
光センサアレイは、光信号をデジタル化する2次元フォトダイオードと、サンプルを表す情報を回収する処理手段と、を含むことを特徴とするサイトメータ。 - 請求項1〜8のいずれか1項に記載のサイトメータにおいて、
サンプルの後に、光信号をセンサアレイに合焦させるための補助光学レンズを含むことを特徴とするサイトメータ。 - 請求項1〜9のいずれか1項に記載のサイトメータにおいて、
サンプルと光変換システムとの間に設置された蛍光バンドパスフィルタをさらに含むことを特徴とするサイトメータ。 - 請求項10に記載のサイトメータにおいて、
蛍光フィルタは多帯域蛍光バンドパスフィルタであることを特徴とするサイトメータ。 - 請求項1〜11に記載のサイトメータにおいて、
光センサは、携帯電話、スマートフォン、スマートタブレット、又はウェブカム等の携帯機器のイメージセンサからなることを特徴とするサイトメータ。 - 請求項1〜12のいずれか1項に記載のサイトメータにおいて、
サンプル容器は光透過性チャンバ、キュベット、又はマイクロ流体装置であることを特徴とするサイトメータ。 - 請求項1〜13のいずれか1項に記載のサイトメータにおいて、
サンプルボリュームは、微粒子フィルタと濃縮器を使って調整されることを特徴とするサイトメータ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15164853.2 | 2015-04-23 | ||
EP15164853.2A EP3086155A1 (en) | 2015-04-23 | 2015-04-23 | Image cytometer for characterization and quantification of particulate samples |
Publications (2)
Publication Number | Publication Date |
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JP2016206199A true JP2016206199A (ja) | 2016-12-08 |
JP6749782B2 JP6749782B2 (ja) | 2020-09-02 |
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JP2016086717A Expired - Fee Related JP6749782B2 (ja) | 2015-04-23 | 2016-04-25 | 微粒子サンプルの特徴付けと定量化のためのイメージサイトメータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10346972B2 (ja) |
EP (1) | EP3086155A1 (ja) |
JP (1) | JP6749782B2 (ja) |
CN (1) | CN106066315B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110579435B (zh) | 2012-10-15 | 2023-09-26 | 纳诺赛莱克特生物医药股份有限公司 | 颗粒分选的系统、设备和方法 |
CN110178014B (zh) * | 2016-11-14 | 2023-05-02 | 美国西门子医学诊断股份有限公司 | 用于使用图案照明表征样本的方法和设备 |
DE102017105103A1 (de) | 2017-03-10 | 2018-09-13 | Carl Zeiss Microscopy Gmbh | 3D-Mikroskopie |
WO2019052690A1 (de) * | 2017-09-13 | 2019-03-21 | Funke-Dr. N. Gerber Labortechnik Gmbh | Butyrometer sowie verfahren zur volumetrischen fettbestimmung unter verwendung eines butyrometers |
EP3502660A1 (en) * | 2017-12-22 | 2019-06-26 | IMEC vzw | Fast and robust fourier domain-based cell differentiation |
WO2020076872A1 (en) * | 2018-10-08 | 2020-04-16 | Bioelectronica Corporation | Systems and methods for optically processing samples |
CN110231276B (zh) * | 2019-05-28 | 2022-01-07 | 西安理工大学 | 无透镜成像系统的细胞尺寸测量装置及其测量方法 |
US11125675B2 (en) | 2019-10-18 | 2021-09-21 | Roger Lawrence Deran | Fluid suspended particle classifier |
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2015
- 2015-04-23 EP EP15164853.2A patent/EP3086155A1/en not_active Withdrawn
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2016
- 2016-04-22 US US15/136,303 patent/US10346972B2/en not_active Expired - Fee Related
- 2016-04-25 JP JP2016086717A patent/JP6749782B2/ja not_active Expired - Fee Related
- 2016-04-25 CN CN201610261912.3A patent/CN106066315B/zh not_active Expired - Fee Related
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EP3086155A1 (en) | 2016-10-26 |
CN106066315A (zh) | 2016-11-02 |
CN106066315B (zh) | 2019-11-26 |
US10346972B2 (en) | 2019-07-09 |
JP6749782B2 (ja) | 2020-09-02 |
US20160313231A1 (en) | 2016-10-27 |
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