JP7130242B2 - タンパク質凝集体のホログラフィ特徴付け - Google Patents
タンパク質凝集体のホログラフィ特徴付け Download PDFInfo
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- JP7130242B2 JP7130242B2 JP2018541149A JP2018541149A JP7130242B2 JP 7130242 B2 JP7130242 B2 JP 7130242B2 JP 2018541149 A JP2018541149 A JP 2018541149A JP 2018541149 A JP2018541149 A JP 2018541149A JP 7130242 B2 JP7130242 B2 JP 7130242B2
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- aggregates
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- refractive index
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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
- G01N15/1468—Electro-optical investigation, e.g. flow cytometers with spatial resolution of the texture or inner structure of the particle
- G01N15/147—Electro-optical investigation, e.g. flow cytometers with spatial resolution of the texture or inner structure of the particle the analysis being performed on a sample stream
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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
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
- G01N15/0211—Investigating a scatter or diffraction pattern
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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
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
- G01N15/0227—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging using imaging, e.g. a projected image of suspension; using holography
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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
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16B—BIOINFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR GENETIC OR PROTEIN-RELATED DATA PROCESSING IN COMPUTATIONAL MOLECULAR BIOLOGY
- G16B25/00—ICT specially adapted for hybridisation; ICT specially adapted for gene or protein expression
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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
- G01N2015/0038—Investigating nanoparticles
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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
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0053—Investigating dispersion of solids in liquids, e.g. trouble
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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
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
- G01N15/0211—Investigating a scatter or diffraction pattern
- G01N2015/0222—Investigating a scatter or diffraction pattern from dynamic light scattering, e.g. photon correlation spectroscopy
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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
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
- G01N2015/0233—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging using holography
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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
- G01N2015/1454—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its optical arrangement using phase shift or interference, e.g. for improving contrast
Description
ホログラフィ特徴付け器具の較正
ホログラフィ特徴付けの動作範囲
ホログラフィによる形態測定
実施例
材料の調製
正確さ及び精密性の証明
肉眼で見えないインスリン凝集物の特徴付け
肉眼で見えないBSA凝集体の特徴付け
凝集体形態の役割
マイクロフロー画像化
動的光散乱
タンパク質凝集体からのシリコン球のホログラフィによる差別化
シリコン球のホログラフィによる特徴付け
シリコン球の差別化による検出
実施例の結果の考察
凝集体サイズと屈折率との間の反相関関係
これから
差別化
コンピュータ実施
Claims (9)
- 複数のタンパク質凝集体を特徴付ける方法であって、
ホログラフィビデオ顕微鏡の観察分量を通してサンプルを流す工程と、
前記観察分量内の複数のタンパク質凝集体の第1のセットのタンパク質凝集体のホログラフィビデオ顕微鏡検査に基づいて、第1の時刻において、第1のセットのホログラムを生成する工程と、
前記第1のセットのタンパク質凝集体のそれぞれを球体として特徴付ける工程と、
前記第1の時刻における、前記第1のセットのタンパク質凝集体のそれぞれの前記特徴付けられた球体に対する屈折率及び半径を決定する工程と、
前記第1のセットのタンパク質凝集体を、フラクタクル次元Dのフラクタルクラスタとしてモデル化する工程と、を備え、
であり、式中φはタンパク質の分量分率であり、a0はタンパク質の半径であり、apは前記タンパク質凝集体の半径である
ことを特徴とする方法。 - さらにタンパク質の前記分量分率は反射率がn0であり、残りの分量は、屈折率がnmの流体媒体であり前記タンパク質凝集体の見かけの屈折率npをもたらす、請求項1に記載の方法。
- 前記第1のセットのタンパク質凝集体の形態を、アンサンブル平均のフラクタル次元を推定する工程に基づいて特徴付ける工程をさらに備える、請求項1に記載の方法。
- タンパク質の前記分量分率は反射率がn0であり、残りの分量は、屈折率がnmの流体媒体であり前記タンパク質凝集体の見かけの屈折率npをもたらし、さらに、前記第1のセットのタンパク質凝集体の形態を、アンサンブル平均のフラクタル次元を推定する工程に基づいて特徴付ける工程をさらに備える、請求項1に記載の方法。
- 前記サンプルを流す工程は、100μms-1までの速度であることをさらに備える、請求項1に記載の方法。
- 前記第1のセットのホログラムを生成する前に、塩を添加する工程をさらに備える、請求項1に記載の方法。
- 前記屈折率及び前記半径を決定する工程は、ローレンツ・ミー理論の適用を備える、請求項1に記載の方法。
- 前記複数のタンパク質凝集体の合成が完了したかどうかを判定する工程をさらに備える、請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201662292842P | 2016-02-08 | 2016-02-08 | |
US62/292,842 | 2016-02-08 | ||
PCT/US2017/016857 WO2017139279A2 (en) | 2016-02-08 | 2017-02-07 | Holographic characterization of protein aggregates |
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JP2019513973A JP2019513973A (ja) | 2019-05-30 |
JP7130242B2 true JP7130242B2 (ja) | 2022-09-05 |
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JP2018541149A Active JP7130242B2 (ja) | 2016-02-08 | 2017-02-07 | タンパク質凝集体のホログラフィ特徴付け |
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US (2) | US11385157B2 (ja) |
EP (1) | EP3414517B1 (ja) |
JP (1) | JP7130242B2 (ja) |
DK (1) | DK3414517T3 (ja) |
ES (1) | ES2901608T3 (ja) |
TW (1) | TWI731030B (ja) |
WO (1) | WO2017139279A2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102365543A (zh) | 2009-01-16 | 2012-02-29 | 纽约大学 | 用全息视频显微术的自动实时粒子表征和三维速度计量 |
WO2017139279A2 (en) * | 2016-02-08 | 2017-08-17 | New York University | Holographic characterization of protein aggregates |
JP2022510388A (ja) * | 2018-12-04 | 2022-01-26 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | タンパク質結晶の高コントラストイメージングのための携帯型uvホログラフィック顕微鏡 |
US11543338B2 (en) | 2019-10-25 | 2023-01-03 | New York University | Holographic characterization of irregular particles |
US11948302B2 (en) | 2020-03-09 | 2024-04-02 | New York University | Automated holographic video microscopy assay |
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