JP6655125B2 - 細胞観察装置及び細胞観察方法 - Google Patents
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- 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
- G01N33/4833—Physical analysis of biological material of solid biological material, e.g. tissue samples, cell cultures
- G01N33/4836—Physical analysis of biological material of solid biological material, e.g. tissue samples, cell cultures using multielectrode arrays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects thereof, e.g. conductivity or capacity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1429—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its signal processing
- G01N15/1431—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its signal processing the electronics being integrated with the analyser, e.g. hand-held devices for on-site investigation
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1434—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its optical arrangement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1434—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its optical arrangement
- G01N15/1436—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its optical arrangement the optical arrangement forming an integrated apparatus with the sample container, e.g. a flow cell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1456—Electro-optical investigation, e.g. flow cytometers without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1484—Electro-optical investigation, e.g. flow cytometers microstructural devices
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- 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
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- G—PHYSICS
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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
- G01N2015/1006—Investigating individual particles for cytology
Description
Claims (8)
- 細胞を含む試料を保持するウェルが複数配列されたマイクロプレートによって保持された前記細胞から放出された光を測定する細胞観察装置であって、
前記マイクロプレートを載置するための載置部と、
陽極と陰極とを含む電極対が複数配列された電気刺激部と、
前記マイクロプレートの前記ウェル内に前記電極対が配置されるように、前記電気刺激部の位置を制御する位置制御部と、
前記マイクロプレートの前記ウェル内の前記試料からの光を検出する光検出部と、
前記光検出部による検出結果に応じて得られた光強度分布を対象に、前記ウェルの境界の位置を特定し、前記ウェルの境界の位置を基に解析領域を設定し、前記解析領域の光強度を解析することによって、前記試料に関する解析情報を取得する情報解析部と、
を備え、
前記情報解析部は、前記光強度分布における前記陽極あるいは前記陰極の先端の像に基づいて前記解析領域をさらに設定する、
細胞観察装置。 - 前記情報解析部は、前記光強度分布における輝度差に基づいて、前記ウェルの境界の位置を特定する、
請求項1記載の細胞観察装置。 - 前記情報解析部は、前記電極対に印加される電位に応じて、前記解析領域の大きさを設定する、請求項1又は2に記載の細胞観察装置。
- 前記位置制御部は、筋細胞を含む前記試料を保持する前記ウェル内に前記電極対が配置されるように制御し、
前記情報解析部は、前記電極対に繰り返しパルス電圧を印加した状態での前記解析領域の光強度を解析する、
請求項1〜3のいずれか1項に記載の細胞観察装置。 - 細胞を含む試料を保持するウェルが複数配列されたマイクロプレートによって保持された前記細胞から放出された光を測定する細胞観察方法であって、
前記マイクロプレートを載置部に載置する載置ステップと、
陽極と陰極とを含む電極対が複数配列された電気刺激部に対して、前記マイクロプレートの前記ウェル内に前記電極対が配置されるように、位置を制御する位置制御ステップと、
前記マイクロプレートの前記ウェル内の前記試料からの光を検出する光検出ステップと、
前記光検出ステップにおける検出結果に応じて得られた光強度分布を対象に、前記ウェルの境界の位置を特定し、前記ウェルの境界の位置を基に解析領域に設定し、前記解析領域の光強度を解析することによって、前記試料に関する解析情報を取得する情報解析ステップと、
を備え、
前記情報解析ステップでは、前記光強度分布における前記陽極あるいは前記陰極の先端の像に基づいて前記解析領域をさらに設定する、
細胞観察方法。 - 前記情報解析ステップでは、前記光強度分布における輝度差に基づいて、前記ウェルの境界の位置を特定する、
請求項5に記載の細胞観察方法。 - 前記情報解析ステップでは、前記電極対に印加される電位に応じて、前記解析領域の大きさを設定する、
請求項5又は6に記載の細胞観察方法。 - 前記位置制御ステップでは、筋細胞を含む前記試料を保持する前記ウェル内に前記電極対が配置されるように制御し、
前記情報解析ステップでは、前記電極対に繰り返しパルス電圧を印加した状態での前記解析領域の光強度を解析する、
請求項5〜7のいずれか1項に記載の細胞観察方法。
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JP6355127B2 (ja) * | 2014-07-25 | 2018-07-11 | 一般財団法人電力中央研究所 | 蛍光観察システム |
KR20220165282A (ko) | 2014-08-08 | 2022-12-14 | 퀀텀-에스아이 인코포레이티드 | 분자들을 프로빙, 검출 및 분석하기 위한 광학계 및 검정 칩 |
US10677709B2 (en) * | 2017-04-28 | 2020-06-09 | Becton, Dickinson And Company | Particle detection cartridges, systems thereof and methods for using the same |
US20210247357A1 (en) * | 2018-03-26 | 2021-08-12 | National Institute For Materials Science | Electrochemical measurement system, electrochemical search method, reactor, and microplate |
GB201806419D0 (en) * | 2018-04-19 | 2018-06-06 | Univ Warwick | Detecting cell vitality |
CN111684075A (zh) * | 2018-06-13 | 2020-09-18 | 松下知识产权经营株式会社 | 药物应答性评价方法和药物应答性评价系统 |
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JPWO2014065329A1 (ja) | 2016-09-08 |
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