ES2626848T3 - Dispositivos y métodos para la separación de partículas basada en la forma - Google Patents

Dispositivos y métodos para la separación de partículas basada en la forma Download PDF

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ES2626848T3
ES2626848T3 ES12856833.4T ES12856833T ES2626848T3 ES 2626848 T3 ES2626848 T3 ES 2626848T3 ES 12856833 T ES12856833 T ES 12856833T ES 2626848 T3 ES2626848 T3 ES 2626848T3
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microchannel
outputs
shape
methods
devices
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Dino Di Carlo
Mahdokht MASAELI
Elodie Sollier
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University of California Berkeley
University of California San Diego UCSD
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University of California San Diego UCSD
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/48Washing granular, powdered or lumpy materials; Wet separating by mechanical classifiers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • B01L3/502746Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means for controlling flow resistance, e.g. flow controllers, baffles or throttle valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • B01L3/502761Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip specially adapted for handling suspended solids or molecules independently from the bulk fluid flow, e.g. for trapping or sorting beads or physically stretching molecules
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40Concentrating samples
    • G01N1/4077Concentrating samples by other techniques involving separation of suspended solids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02Investigating particle size or size distribution
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/08Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a stream of discrete samples flowing along a tube system, e.g. flow injection analysis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/06Fluid handling related problems
    • B01L2200/0636Focussing flows, e.g. to laminate flows
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/06Fluid handling related problems
    • B01L2200/0647Handling flowable solids, e.g. microscopic beads, cells, particles
    • B01L2200/0652Sorting or classification of particles or molecules
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00Additional constructional details
    • B01L2300/08Geometry, shape and general structure
    • B01L2300/0809Geometry, shape and general structure rectangular shaped
    • B01L2300/0816Cards, e.g. flat sample carriers usually with flow in two horizontal directions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00Additional constructional details
    • B01L2300/08Geometry, shape and general structure
    • B01L2300/0861Configuration of multiple channels and/or chambers in a single devices
    • B01L2300/0864Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00Additional constructional details
    • B01L2300/08Geometry, shape and general structure
    • B01L2300/0861Configuration of multiple channels and/or chambers in a single devices
    • B01L2300/088Channel loops
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00Moving or stopping fluids
    • B01L2400/04Moving fluids with specific forces or mechanical means
    • B01L2400/0475Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
    • B01L2400/0487Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure fluid pressure, pneumatics
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/01Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials specially adapted for biological cells, e.g. blood cells
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02Investigating particle size or size distribution
    • G01N2015/0288Sorting the particles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02Investigating particle size or size distribution
    • G01N2015/0294Particle shape

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Clinical Laboratory Science (AREA)
  • Hematology (AREA)
  • Fluid Mechanics (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

Un sistema de clasificación de partículas, que comprende: una entrada; un microcanal (14) de concentración inercial dispuesto en un sustrato y que tiene una región (18) que se expande aguas abajo en un extremo distal, en donde la entrada (12) se conecta a un extremo aguas arriba del microcanal; una fuente (30) de partículas con formas diferentes conectada a la entrada, en la que la fuente de partículas con formas diferentes se configuran para su introducción continua en la entrada; una pluralidad de salidas (20) conectada al microcanal en la región que se expande aguas abajo; caracterizado porque el sistema comprende además un controlador de presión conectado a la pluralidad de salidas por las líneas de fluidos, en donde el controlador de presión (23) ejerce presiones variables para ajustar la resistencia respectiva del fluido en la pluralidad de salidas.

Description

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etapas de crecimiento celular, en las que por ejemplo, las bacterias con forma de vara pueden tener hasta el doble de su longitud.
La separación basada en la forma usando efectos inerciales también puede usarse para la clasificación de células
5 de levadura y la sincronización del ciclo celular. La comprensión del ciclo celular es el sujeto de la investigación actual, que a menudo explora el uso de células de levadura (S. Cerevisiae) debido a la genética bien conocida y a los cambios de forma característicos); las células de levadura germinativas se alargan a partir de una esfera a un gemelo biesférico o a un agregado mayor. Usando el sistema de clasificación de partículas de la FIG. 7C (RAc = 0,64, siete salidas con α1:2 = 3/4, α1:3 = 1/2, α1:4 = 1/4), la clasificación de levaduras se llevó a cabo a un caudal de 60
10 μl/min. La levadura se cultivó en caldo de soja tríptico (CST) en un agitador incubado (37 ºC) durante un día antes del experimento de separación. La suspensión se cultivó se diluyó en TFS a una concentración no limitante de 1,5x106 células/ml y luego, de manera similar a las perlas, se inyectó a diversos caudales usando una bomba de jeringa Harvard Apparatus y una jeringa de vidrio Hamilton. El comportamiento de separación se capturó a través de la formación de imágenes a alta velocidad, siendo el contenido de cada salida analizado mediante el recuento
15 inmediato con un hemocitómetro (Quick-Read). Se observaron las morfologías de las células de levadura y se categorizaron, en función de su estado de ciclo, en (i) individuales pequeñas que no se dividen, (II) individuales grandes, (iii) levadura germinativa, (IV) como dobletes, y (v) agregados que se componen de tres o más células.
La FIG. 9A ilustra una imagen microscópica de las células en la entrada del dispositivo. Las células se categorizan
20 en cinco grupos: individuales pequeñas (recuadro superior), individuales grandes (segundo a partir del recuadro superior), germinativas (tercero a partir del recuadro superior), como dobletes (cuarto a partir del recuadro superior) y agregados (último recuadro). La FIG. 9B ilustra imágenes respectivas de la salida 2 y la salida 3. Las individuales tenían un alto rendimiento de extracción en la salida 2, mientras que en la salida 3, la pureza de las células germinativas aumentó.
25 Se descubrió que las individuales que no se dividen tenían un alto rendimiento de extracción en las salidas 2 y 6 (90 % de las individuales pequeñas y 91 % de las individuales grandes se recuperan en estas salidas como se aprecia en la FIG. 9C), con una pureza de hasta el 94 % (FIG. 9D), mientras que las células de levadura germinativas se recogieron principalmente en las salidas 3 y 5 (54 % de levadura germinativa, con una pureza de
30 hasta el 31 %, en comparación con una pureza del 6,6 % en la entrada). La mayor producción del sistema de clasificación de partículas (60 µl/min, es decir, 1.500 células/s en comparación con 100 células/s) se podría aumentar aún más por la paralelización de los canales de concentración, mientras que la pureza y enriquecimiento especialmente necesarios para esta aplicación de sincronización mejora con la conexión en cascada de varios dispositivos en serie.
35 En los experimentos se descubrió que un sistema de clasificación de partículas con RAc = 0,53 (An = 25 μm, Al = 47 μm) en Q = 40 µl/min que tiene cinco (5) salidas con resistencias iguales es el mejor dispositivo para separar varas largas (1:5) de 6 µm a partir de esferas y varas cortas (1:3), mientras que la separación de esferas de 6 µm de los dos tipos de varas se realiza mejor usando RAc = 0,64 (An = 30 µm, Al = 47 μm) en Q = 80 µl/min con cinco (5)
40 salidas con α1:2 = 3/4 y α1:3 = 1/2. El mejor dispositivo para la separación de los tres tipos de partículas de 6 µm era RAc = 0,64 (An = 30 µm, Al = 47 μm), en Q = 70 µl/min con siete (7) salidas con α1:2 = 3/4, α1:3 = 1/2, α1:4 = 1/4. Para esferas de partículas de 3 μm podría separarse mejor de los dos tipos de varas con RAc = 0,53 (An = 25 μm, Al = 47 μm) del dispositivo en Q = 80 µl/min con cinco (5) salidas con α1:2 = % y α1:3 = 1/2. El enriquecimiento de la levadura germinativa de la población total de células fue exitoso usando un dispositivo con RAc = 0,64 (An = 30 µm, Al = 47
45 μm) con siete (7) salidas con α1:2 = 3/4, α1 3 = 1/2, α1:4 = ¼. Las condiciones pueden ser optimizadas para otros modos de separación deseados, tales como el enriquecimiento de individuales, etc.
11

Claims (1)

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ES12856833.4T 2011-09-30 2012-09-27 Dispositivos y métodos para la separación de partículas basada en la forma Active ES2626848T3 (es)

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US201161541934P 2011-09-30 2011-09-30
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US201261606287P 2012-03-02 2012-03-02
US201261606287P 2012-03-02
PCT/US2012/057631 WO2013089883A2 (en) 2011-09-30 2012-09-27 Devices and methods for shape-based particle separation

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EP2761303A2 (en) 2014-08-06
WO2013089883A3 (en) 2013-08-29
AU2012352879A1 (en) 2014-04-10
EP2761303A4 (en) 2015-06-03
JP6031109B2 (ja) 2016-11-24
WO2013089883A2 (en) 2013-06-20
CN103959069B (zh) 2016-02-24
CA2850335A1 (en) 2013-06-20
KR20140084075A (ko) 2014-07-04
CN103959069A (zh) 2014-07-30
JP2015501136A (ja) 2015-01-15
US9333510B2 (en) 2016-05-10
US20140224710A1 (en) 2014-08-14
AU2012352879B2 (en) 2017-01-05
EP2761303B1 (en) 2017-03-01

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