WO2018139823A1 - 헤링본 타입 유체유도유닛 및 이를 이용한 유체 농축 장치 - Google Patents
헤링본 타입 유체유도유닛 및 이를 이용한 유체 농축 장치 Download PDFInfo
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- WO2018139823A1 WO2018139823A1 PCT/KR2018/000977 KR2018000977W WO2018139823A1 WO 2018139823 A1 WO2018139823 A1 WO 2018139823A1 KR 2018000977 W KR2018000977 W KR 2018000977W WO 2018139823 A1 WO2018139823 A1 WO 2018139823A1
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- fluid
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- herringbone type
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/16—Microfluidic devices; Capillary tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers 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
- B01L3/50273—Containers 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 or forces applied to move the fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers 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
- B01L3/502761—Containers 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, for physically stretching molecules
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/10—Processes for the isolation, preparation or purification of DNA or RNA
- C12N15/1003—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0647—Handling flowable solids, e.g. microscopic beads, cells, particles
- B01L2200/0652—Sorting or classification of particles or molecules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0848—Specific forms of parts of containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0864—Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/089—Virtual walls for guiding liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/08—Regulating or influencing the flow resistance
- B01L2400/084—Passive control of flow resistance
- B01L2400/086—Passive control of flow resistance using baffles or other fixed flow obstructions
Definitions
- the present invention relates to a herringbone type fluid induction unit and a fluid concentrating device using the same, and to a fluid induction unit and a fluid concentrating device formed in a herringbone shape to guide cells or microparticles contained in the fluid to one side.
- biological analytical processes such as pathogen detection or molecular diagnostics, include separating target cells from a sample, enriching cells, isolating biomolecules, amplifying biomolecules, performing hybridization reactions, and detecting. Consists of steps.
- Korean Patent Publication No. 10-1515394 discloses that a sample injected into a channel of a microfluidic chip formed in a herringbone pattern is concentrated, and photothermal effects of gold nanoparticles inserted into an inner wall of the channel are concentrated.
- a cell lysis microfluidic device for lysing cells in a sample is disclosed.
- the cell lysis microfluidic device has the same angle as the front end of the herringbone pattern and the rear end of the herringbone pattern, so when the flow rate or flow rate of the fluid increases, a pressure drop occurs in the rear end flow of the herringbone pattern, thereby causing the cells contained in the fluid.
- the aggregation rate of is reduced.
- the present invention has been made to solve the above problems, herringbone formed with a rear end angle larger than the angle to form a front end to reduce the pressure drop occurring in the rear fluid flow of the fluid guide unit having a herringbone pattern It is an object of the present invention to provide a type fluid guide unit and a fluid concentrating device using the same.
- herringbone type fluid guide unit in accordance with the present invention for achieving the above object is installed on a flow path through which the fluid flows, in the herringbone type fluid guide unit for inducing cells or microparticles contained in the fluid to one side, the It is installed on the flow path, the front member and the front member is formed to extend the left and right width toward the rear from the front end in the flow direction of the fluid and the rear portion extending from the front member, the inlet portion introduced in a predetermined depth from the rear edge forward And a rear member having a protruding portion formed or protruding rearwardly.
- the inlet portion When the inlet portion is formed in the rear member, the inlet portion is formed such that the left and right width decreases toward the front from the rear edge of the rear member and extends from the first vertex located at the foremost to the rear left and right end portions, respectively.
- the angle between the two virtual lines is greater than the angle between the third and fourth virtual lines respectively extending from the second vertex located at the foremost of the front member to the left and right ends of the rearmost portion of the front member, but is less than 180 degrees.
- the inlet portion is preferably formed in a ' ⁇ ' shape.
- the lead portion may have an angle of 160 ° or more between the first and second virtual lines.
- the protruding portion When the protruding portion is formed in the rear member, the protruding portion extends rearward from the front member, and may be formed such that the left and right widths decrease toward the rear member.
- the protruding portion may be formed in a 'V' shape.
- the front member is formed in a ' ⁇ ' shape.
- the fluid concentrating device is provided with a main body is provided with a flow path for the fluid containing the cells or particles to be classified therein, and the flow of the sorted cells or microparticles by interfering with the flow of the fluid It is installed on the flow path so as to guide toward the inner side of the, a plurality of herringbone type fluid induction unit arranged to be spaced apart from each other along the front and rear direction with respect to the flow direction of the fluid from the herringbone type fluid induction unit It is installed in the main body of the rear spaced apart position, and the discharge unit for collecting and discharging the sorted cells or microparticles induced to the inner side of the flow path.
- the herringbone type fluid guide unit is installed on the flow path and extends rearward from the front member and the front member formed to extend the left and right widths from the front end to the rear with respect to the flow direction of the fluid, and is forward from the rear edge. It is provided with a rear member is formed with a retracted portion or a protruding portion protruding to the rear portion is drawn into a predetermined depth.
- the inlet portion When the inlet portion is formed in the rear member, the inlet portion is formed such that the left and right width decreases toward the front from the rear edge of the rear member and extends from the first vertex located at the foremost to the rear left and right end portions, respectively.
- the angle between the two virtual lines is greater than the angle between the third and fourth virtual lines respectively extending from the second vertex located at the foremost of the front member to the left and right ends of the rearmost portion of the front member, but is less than 180 degrees.
- the inlet portion is formed in a ' ⁇ ' shape.
- the lead portion may have an angle of 160 ° or more between the first and second virtual lines.
- the protruding portion When the protruding portion is formed in the rear member, the protruding portion extends rearward from the front member, and is preferably formed such that the left and right widths decrease toward the rear member.
- the rear member may be formed in a 'V' shape.
- the front member is formed in a ' ⁇ ' shape.
- the discharge part may include a first discharge path and a plurality of second discharge paths communicating with the flow path of the main body, wherein the sorted cells or microparticles guided to the inner side of the flow path by the second discharge paths.
- the second discharge paths are disposed on the left and right sides of the first discharge path so as to be introduced.
- the herringbone type fluid guide unit and the fluid concentrator using the same according to the present invention have a larger angle at the rear end than the angle at which the fluid guide unit interfering with the fluid forms the front end is generated in the fluid flow behind the fluid guide unit.
- FIG. 1 is a perspective view of a herringbone type fluid guide unit according to a first embodiment of the present invention
- FIG. 1 is a plan view of the herringbone type fluid guide unit of Figure 1
- FIG. 3 is a plan view of a herringbone type fluid guide unit according to a second embodiment of the present invention.
- Figure 4 is a simulation result showing the magnitude of the velocity vector of the fluid for the conventional herringbone type fluid guide unit through the numerical analysis
- FIG. 6 shows pressure values in the first section and the third section of FIG. 4 with respect to the conventional fluid guide unit.
- FIG. 7 shows pressure values in the first and third sections of FIG. 5 for the herringbone type fluid guide unit of the present invention
- Figure 8 shows the pressure gradient according to the width for the first section and the third section of the conventional fluid guide unit and the herringbone type fluid guide unit of the present invention
- Figure 9 shows the pressure gradient value according to the left and right width in the first section according to the change of the angle between the first and second virtual line of the herringbone type fluid guide unit of the present invention
- FIG 10 shows pressure gradient values along the left and right widths in the third section according to the change of the angle between the first and second virtual lines of the herringbone type fluid guide unit of the present invention.
- FIG. 11 is a cross-sectional view of a fluid concentrating device using a herringbone type fluid guide unit according to the present invention.
- FIG. 12 is a microscope image showing the fluid flow of the fluid concentrating device to which the conventional herringbone type fluid guide unit is applied in the first position and the second position of FIG.
- FIG. 13 is a microscope image showing the fluid flow of the fluid concentrating device to which the herringbone type unit of the present invention is applied in the first position and the second position of FIG.
- FIG. 14 is a graph showing the recovery efficiency of the conventional herringbone type fluid guide unit and the fluid concentrating device to which the herringbone type unit of the present invention is applied according to the size of fine particles.
- the herringbone type fluid guide unit according to the present invention is installed on a flow path through which a fluid flows, and is provided on the flow path in a herringbone type fluid guide unit for guiding cells or microparticles contained in the fluid to one side.
- the front member is formed so that the left and right widths are extended from the front end to the rear in the flow direction of the fluid and extends rearward from the front member, and an inlet portion drawn in a predetermined depth forward from the rear edge is formed or protrudes rearward.
- a rear member having a protruding portion when the inlet portion is formed in the rear member, the inlet portion is formed such that the left and right widths decrease toward the front from the rear edge of the rear member, and the rearmost portion of the frontmost first vertex is provided.
- the angle between the first and second virtual lines respectively extending to the left and right ends is the front Keudoe than between each member at a second vertex located at the forefront of each of the left and right end extends to the last number of the front member 3 and the fourth virtual line, 180 may be formed below.
- first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
- the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
- FIG. 1 and 2 show a herringbone type fluid guide unit 10 according to the first embodiment of the present invention.
- the herringbone type fluid guide unit 10 is installed on the flow path 111 through which the fluid flows, and induces cells or microparticles contained in the fluid to one side by interfering with the flow of the fluid.
- the front member 20 protrudes from the inner side of the flow path 111 toward the center of the flow path 111. At this time, the front member 20 is formed to have a vertical width smaller than the vertical width of the flow path (111). In addition, the front member 20 is preferably formed in a ' ⁇ ' shape that increases in the left and right width from the front end to the rear.
- the rear member 30 is formed to have a width corresponding to the left and right widths of the rear end portion of the front member 20, and the lead portion 31 is formed at the rear end portion.
- the inlet portion 31 is formed in a ' ⁇ ' shape that decreases the left and right width toward the front from the rear edge of the rear member (30).
- the inlet portion 31 has an angle b between the first and second virtual lines 32 and 33 extending from the first vertex located at the foremost to the left and right ends of the rearmost, respectively, at the forefront of the front member 20. It is preferably formed larger than the angle (a) between the third and fourth virtual lines 21 and 22 extending from the second vertex located at the rear left and right ends of the front member 20, respectively, to 180 degrees or less. . In addition, the inlet portion 31 preferably has an angle b between the first and second virtual lines 32 and 33 of 160 ° or more.
- Figure 3 shows a rear member 30 according to a second embodiment of the present invention.
- the rear member 30 extends rearward from the front member 20, and a protruding portion protruding rearward is formed. At this time, the protruding portion is formed to decrease the left and right width toward the rear. At this time, the protruding portion of the rear member 30 is preferably formed in a 'V' shape.
- the rear member 30 according to the third embodiment of the present invention is formed between the angle (b) of the first and second virtual lines (31, 32) 180 degrees. That is, the rear member 30 is formed to extend so that the rear edge is perpendicular to the longitudinal center line of the flow path (111).
- the conventional fluid induction unit and the herringbone type fluid induction unit 10 according to the third embodiment of the present invention have a focusing flow in the first section, that is, the front end. , The values are similar.
- a deviation flow occurs in the third section and the fourth section, that is, the rear part.
- the herringbone type fluid guide unit 10 according to the third embodiment of the present invention exhibits a lower deflection flow size than the conventional fluid guide unit. That is, when the angle b between the first and second virtual lines 32 and 33 is greater than the angle a between the third and fourth virtual lines 21 and 22, the fluid induction unit 10 It can be seen that the rearward deflection flow value is smaller.
- Figure 6 shows a pressure value in the first section and the third section of Figure 4 with respect to the conventional fluid guide unit
- Figure 7 shows a herringbone type fluid guide unit 10 according to a third embodiment of the present invention 5 shows pressure values in a first section and a third section of FIG. 5
- FIG. 8 shows a first section of a herringbone type fluid guide unit 10 according to a third embodiment of the present invention.
- a pressure gradient according to the width for the third section the red graph of Figure 8 shows the pressure gradient value for the herringbone type fluid guide unit 10 according to the third embodiment of the present invention
- the black graph of Figure 8 is a pressure gradient for the conventional fluid guide unit The value is shown.
- both the conventional fluid induction unit and the herringbone type fluid induction unit 10 according to the third embodiment of the present invention have the same pressure drop value of the concentrated flow in the first section, but the third The pressure drop value in the deflection flow in the section can be seen that the herringbone type fluid guide unit 10 according to the third embodiment of the present invention is smaller than the conventional fluid guide unit.
- FIG. 9 illustrates pressure gradient values corresponding to left and right widths in a first section according to a change in the angle b between the first and second virtual lines 32 and 33.
- the pressure gradient values according to the left and right widths in the third section according to the change of the angle b between the two virtual lines 32 and 33 are shown.
- Angle: 110 is the fluid induction unit 10 having an angle b between the first and second virtual lines 32 and 33 is 110 degrees
- Angle: 120 is the first and second virtual lines 32
- 33 is a fluid induction unit having a 120 degree angle b, which is a conventional herringbone-shaped fluid induction unit 10
- Angle: 140 represents an angle between the first and second virtual lines 32 and 33 ( b) is the fluid guide unit 10 is 140 degrees
- Angle: 160 is the fluid guide unit 10
- the angle (b) between the first and second virtual lines (32, 33) is 160 degrees
- Angle: 180, the angle b between the first and second virtual lines 32 and 33 is 180 degrees
- the herringbone type fluid guide unit 10 according to the second embodiment of the present invention wherein the angle b between the first and second virtual lines 32 and 33 is 160 degrees, and Angle: -140 is the first and second virtual lines.
- Herringbone type fluid guide unit 10 according to the second embodiment of the present invention the angle (b) between the lines 32, 33 is 140 degrees, Angle: -120 is the first and second virtual
- Herringbone type fluid guide unit 10 according to the second embodiment of the present invention the angle between the b) is 110 degrees.
- the pressure drop values of the concentrated flow of the conventional fluid induction unit and the herringbone type fluid induction unit 10 of the present invention are similar, but in the third section, the pressure drop values are similar. It can be seen that as the angle b between the imaginary lines 32 and 33 increases, the pressure drop value in the deflection flow decreases. At this time, the herringbone type fluid guide unit 10 of the first embodiment and the herringbone type fluid guide unit 10 of the first and second virtual lines 32 and 33 are 160 degrees or more. In case of 10), it can be seen that the pressure gradient according to the width does not show a big difference. Therefore, in the herringbone type fluid guide unit 10 of the first embodiment, the angle b between the first and second virtual lines 32 and 33 is preferably 160 degrees or more.
- FIG 11 shows a fluid concentrating device 100 using the herringbone type fluid guide unit 10 according to the present invention.
- the fluid concentrating device 100 has a main body 110 provided with a flow path 111 through which a fluid containing a cell to be classified or microparticles flows, and the classification by interfering with the flow of the fluid. It is installed on the flow path 111 to guide the target cells or microparticles to the inner side of the flow path 111, a plurality of spaced apart from each other along the front and rear direction based on the flow direction of the fluid Herringbone type fluid induction unit of the, and the main body 110 in a position spaced rearward from the herringbone type fluid induction unit, the sorted cells or microparticles induced to the inner side of the flow path 111 It is provided with a discharge unit 120 for collecting and discharging.
- the main body 110 is provided with the flow path 111 extending in the front and rear direction therein, and a fluid supply unit (not shown) for supplying a fluid is connected to the front end of the flow path 111.
- the fluid containing the sorted cells or the microparticles supplied from the fluid supply part flows to the discharge part 120 along the flow path 111.
- each herringbone type fluid guide unit is a herringbone type fluid guide unit according to the first to third embodiments according to the present invention described above, a detailed description thereof will be omitted.
- Each herringbone type fluid guide unit has a concentrated flow in the front portion and a deflected flow occurs in the rear portion, so that the fluid passing through the flow path 111 has a number of herringbone type fluid guide units in which cells or microparticles are contained. As it passes, it is guided to the left and right inner surfaces of the flow lock.
- the discharge part 120 includes a first discharge path 121 and a plurality of second discharge paths 122 and 123 communicating with the flow path 111 of the main body 110.
- the discharge unit 120 is a second discharge path (122,123) to the first discharge passage 121 so that the sorting cells or microparticles induced to the inner surface side of the flow path 111 can be introduced into.
- the second discharge paths 122 and 123 are disposed on the left and right sides, respectively.
- a first collection container for receiving a fluid in which cells or microparticles are separated is connected to the rear end of the first discharge passage 121, and the rear ends of the second discharge passages 122 and 123, respectively.
- a second collection vessel is connected to accommodate a fluid having a high concentration of cells or microparticles.
- Figures 12 and 13 in the first position and the second position of Figure 11, respectively, the fluid to which the conventional herringbone type fluid guide unit 10 and the herringbone type fluid guide unit according to the third embodiment of the present invention are applied.
- a microscope image showing the flow of fluid in the concentrating device 100 is shown.
- the fluid flowing in the flow path 111 contains particles of 4.8 ⁇ m therein, and flows at a flow rate of 100ml / h.
- the fluid induction unit 10 of the conventional herringbone structure has a relatively large amount of fine particles because the deflection flow occurring at the rear is larger than that of the herringbone type unit according to the third embodiment of the present invention. It can be seen that the first discharge path 121 is introduced.
- Figure 14 is a graph showing the recovery efficiency of the conventional herringbone type fluid induction unit according to the size of the fine particles (Bead size) and the fluid concentrating device 100 to which the herringbone type unit according to the third embodiment of the present invention is applied Is posted.
- the red graph shows the recovery efficiency of the fluid concentrating device 100 to which the conventional herringbone type fluid induction unit 10 is applied
- the black graph shows the fluid to which the herringbone type unit according to the third embodiment of the present invention is applied.
- It is a graph which shows the recovery efficiency of the concentrator 100.
- the recovery efficiency is a value obtained by dividing the number of fine particles introduced into the second discharge passages 122 and 123 by the number of fine particles introduced into the first to second discharge passages 121, 122 and 123.
- the recovery efficiency of the fluid concentrating device 100 to which the herringbone type unit is applied according to the third embodiment of the present invention is the recovery of the fluid concentrating device 100 to which the conventional herringbone type fluid guide unit 10 is applied. It can be seen that higher than the efficiency.
- the fluid concentrating device 100 to which the herringbone type unit is applied according to the third embodiment of the present invention exhibits similar recovery efficiency according to the size of the fine particles, but the fluid to which the conventional herringbone type fluid induction unit 10 is applied. In the case of the concentrating device 100, the smaller the size of the fine particles can be seen that the recovery efficiency is reduced.
- the herringbone type fluid induction unit 10 and the fluid concentrating device 100 using the same according to the present invention configured as described above have a rear end angle more than the angle at which the fluid induction unit 10 interfering with the fluid forms a front end portion. Since it is formed large, there is an advantage that can reduce the pressure drop generated in the fluid flow of the rear of the fluid guide unit 10 to improve the recovery efficiency of the cells to the fluid.
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Claims (14)
- 유체가 유동하는 유동로 상에 설치되며, 상기 유체에 포함된 세포 또는 미세입자들을 일측으로 유도하는 헤링본 타입 유체 유도유닛에 있어서,상기 유동로 상에 설치되며, 상기 유체의 유동방향을 기준으로 전단부에서 후방으로 갈수록 좌우폭이 확장되게 형성된 전방부재; 및상기 전방부재로부터 후방으로 연장되되, 후방 가장자리로부터 전방으로 소정깊이 인입된 인입부분이 형성되거나 후방으로 돌출된 돌출부분이 형성된 후방부재;를 구비하고,상기 후방부재에 상기 인입부분이 형성시 상기 인입부분은 상기 후방부재의 후방 가장자리로부터 전방으로 갈수록 좌우폭이 감소되게 형성되고, 최전방에 위치한 제1꼭지점에서 최후방의 좌우측 단부로 각각 연장된 제1 및 제2가상선의 사이각이 상기 전방부재의 최전방에 위치한 제2꼭지점에서 상기 전방부재의 최후방의 좌우측 단부로 각각 연장된 제3 및 제4가상선의 사이각보다 크되, 180도 이하로 형성된,헤링본 타입 유체유도유닛.
- 제1항에 있어서,상기 인입부분은 '∧'자 형으로 형성된,헤링본 타입 유체유도유닛.
- 제1항에 있어서,상기 인입부분은 상기 제1 및 제2가상선의 사이각이 160˚이상인,헤링본 타입 유체유도유닛.
- 제1항에 있어서,상기 후방부재에 상기 돌출부분이 형성시, 상기 돌출부분은 상기 전방부재로부터 후방으로 연장되되, 후방으로 갈수록 좌우폭이 감소되게 형성된,헤링본 타입 유체유도유닛.
- 제4항에 있어서,상기 돌출부분은 'V'자 형으로 형성된,헤링본 타입 유체유도유닛.
- 제1항에 있어서,상기 전방부재는 '∧'자 형으로 형성된,헤링본 타입 유체유도유닛.
- 내부에 분류대상 세포 또는 미세입자가 포함된 유체가 유동하는 유동로가 마련된 본체;상기 유체의 흐름을 간섭하여 상기 분류대상 세포 또는 미세입자들을 상기 유동로의 내측면 측으로 유도할 수 있도록 상기 유동로 상에 설치되는 것으로서, 상기 유체의 유동방향을 기준으로 전후방향을 따라 상호 이격되게 배열된 다수의 헤링본 타입 유체 유도유닛; 및상기 헤링본 타입 유체 유도유닛으로부터 후방으로 이격된 위치의 상기 본체에 설치되며, 상기 유동로의 내측면 측으로 유도된 상기 분류대상 세포 또는 미세입자들을 수집하여 배출하는 배출부;를 구비하는,유체 농축 장치.
- 제7항에 있어서,상기 헤링본 타입 유체 유도유닛은상기 유동로 상에 설치되며, 상기 유체의 유동방향을 기준으로 전단부에서 후방으로 갈수록 좌우폭이 확장되게 형성된 전방부재; 및상기 전방부재로부터 후방으로 연장되되, 후방 가장자리로부터 전방으로 소정깊이 인입된 인입부분이 형성되거나 후방으로 돌출된 돌출부분이 형성된 후방부재;를 구비하고,상기 후방부재에 상기 인입부분이 형성시 상기 인입부분은 상기 후방부재의 후방 가장자리로부터 전방으로 갈수록 좌우폭이 감소되게 형성되고, 최전방에 위치한 제1꼭지점에서 최후방의 좌우측 단부로 각각 연장된 제1 및 제2가상선의 사이각이 상기 전방부재의 최전방에 위치한 제2꼭지점에서 상기 전방부재의 최후방의 좌우측 단부로 각각 연장된 제3 및 제4가상선의 사이각보다 크되, 180도 이하로 형성된,유체 농축 장치.
- 제8항에 있어서,상기 인입부분은 '∧'자 형으로 형성된,유체 농축 장치.
- 제9항에 있어서,상기 인입부분은 상기 제1 및 제2가상선의 사이각이 160˚이상인,유체 농축 장치.
- 제8항에 있어서,상기 후방부재에 상기 돌출부분이 형성시, 상기 돌출부분은 상기 전방부재로부터 후방으로 연장되되, 후방으로 갈수록 좌우폭이 감소되게 형성된,유체 농축 장치.
- 제11항에 있어서,상기 후방부재는 'V'자 형으로 형성된,유체 농축 장치.
- 제8항에 있어서,상기 전방부재는 '∧'자 형으로 형성된,유체 농축 장치.
- 제8항에 있어서,상기 배출부는 상기 본체의 유동로에 연통되는 제1배출로 및 복수의 제2배출로가 형성되되, 상기 제2배출로들로 상기 유동로의 내측면 측으로 유도된 상기 분류대상 세포 또는 미세입자들이 유입될 수 있도록 상기 제1배출로를 기준으로 좌우측에 각각 상기 제2배출로들이 배치된,유체 농축 장치.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040144651A1 (en) * | 2002-10-23 | 2004-07-29 | Huang Lotien Richard | Method for continuous particle separation using obstacle arrays asymmetrically aligned to fields |
KR100850235B1 (ko) * | 2007-02-16 | 2008-08-04 | 한국과학기술원 | 유체영동기반 입자정렬이송용 미세유체칩 및 확장미세유체칩 |
JP2011067785A (ja) * | 2009-09-28 | 2011-04-07 | Fuji Xerox Co Ltd | 送液装置、分級装置及び分級方法 |
KR20130010499A (ko) * | 2013-01-08 | 2013-01-28 | 경희대학교 산학협력단 | 미분화 배아줄기세포 분리장치 및 이를 이용한 미분화 배아줄기세포의 분리방법 |
KR20160069427A (ko) * | 2014-12-08 | 2016-06-16 | 삼성전자주식회사 | 미세입자 분리 장치 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6905882B2 (en) * | 1992-05-21 | 2005-06-14 | Biosite, Inc. | Diagnostic devices and apparatus for the controlled movement of reagents without membranes |
US6319719B1 (en) * | 1999-10-28 | 2001-11-20 | Roche Diagnostics Corporation | Capillary hematocrit separation structure and method |
CN104525072A (zh) * | 2005-03-23 | 2015-04-22 | 维罗西股份有限公司 | 微型工艺技术中的表面特征 |
WO2010036912A2 (en) * | 2008-09-26 | 2010-04-01 | The General Hospital Corporation | Capturing particles |
KR101152791B1 (ko) * | 2010-05-10 | 2012-06-12 | 광주과학기술원 | 쯔바이파흐-풍 효과를 이용한 세포 발열량 측정 센서 및 이의 제조방법 |
CA2832494C (en) | 2011-04-06 | 2019-11-26 | Ortho-Clinical Diagnostics, Inc. | Assay device having rhombus-shaped projections |
WO2013049860A1 (en) | 2011-09-30 | 2013-04-04 | Massachusetts Institute Of Technology | Cell sorting by 3d flow and adhesive rolling |
US9846157B2 (en) * | 2012-10-26 | 2017-12-19 | The Trustees Of The University Of Pennsylvania | Compositions, methods and microfluidics device for telomerase based in vitro diagnostic assays for detecting circulating tumor cells (CTC) |
US20160279637A1 (en) | 2013-11-22 | 2016-09-29 | The General Hospital Corporation | Microfluidic methods and systems for isolating particle clusters |
JP6266658B2 (ja) | 2014-01-31 | 2018-01-24 | アルプス電気株式会社 | 流路プレート |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040144651A1 (en) * | 2002-10-23 | 2004-07-29 | Huang Lotien Richard | Method for continuous particle separation using obstacle arrays asymmetrically aligned to fields |
KR100850235B1 (ko) * | 2007-02-16 | 2008-08-04 | 한국과학기술원 | 유체영동기반 입자정렬이송용 미세유체칩 및 확장미세유체칩 |
JP2011067785A (ja) * | 2009-09-28 | 2011-04-07 | Fuji Xerox Co Ltd | 送液装置、分級装置及び分級方法 |
KR20130010499A (ko) * | 2013-01-08 | 2013-01-28 | 경희대학교 산학협력단 | 미분화 배아줄기세포 분리장치 및 이를 이용한 미분화 배아줄기세포의 분리방법 |
KR20160069427A (ko) * | 2014-12-08 | 2016-06-16 | 삼성전자주식회사 | 미세입자 분리 장치 |
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