WO2016080476A1 - 生体分子分析装置 - Google Patents
生体分子分析装置 Download PDFInfo
- Publication number
- WO2016080476A1 WO2016080476A1 PCT/JP2015/082490 JP2015082490W WO2016080476A1 WO 2016080476 A1 WO2016080476 A1 WO 2016080476A1 JP 2015082490 W JP2015082490 W JP 2015082490W WO 2016080476 A1 WO2016080476 A1 WO 2016080476A1
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- WO
- WIPO (PCT)
- Prior art keywords
- transfer film
- separation
- biomolecule analyzer
- buffer tank
- buffer solution
- Prior art date
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44704—Details; Accessories
- G01N27/44717—Arrangements for investigating the separated zones, e.g. localising zones
- G01N27/44739—Collecting the separated zones, e.g. blotting to a membrane or punching of gel spots
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44704—Details; Accessories
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44704—Details; Accessories
- G01N27/44747—Composition of gel or of carrier mixture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44704—Details; Accessories
- G01N27/44717—Arrangements for investigating the separated zones, e.g. localising zones
- G01N27/44721—Arrangements for investigating the separated zones, e.g. localising zones by optical means
- G01N27/44726—Arrangements for investigating the separated zones, e.g. localising zones by optical means using specific dyes, markers or binding molecules
Definitions
- the present invention relates to an apparatus for analyzing biomolecules, and more particularly to an apparatus for transferring biomolecules separated by electrophoresis to a transfer membrane.
- Patent Documents 1 and 2 a device for electrophoresis of biomolecules such as DNA and protein in a gel and transferring it directly from the gel end surface to a transfer film (hereinafter referred to as “discharge transfer electrophoresis”). Sometimes referred to as “transfer device”).
- the devices described in Patent Documents 1 and 2 are a gel arranged in a horizontal direction, a gel frame for storing the gel, a cathode buffer tank and an anode buffer tank respectively connected to both ends of the gel, and opposed to one end of the gel. And a rectangular transfer film frame that fixes the transfer film, and a vertical transport mechanism that transports the transfer film frame in the vertical direction.
- the horizontal apparatus transfers DNA or the like separated in the gel to the transfer film by performing the electrophoresis in the gel and pulling up the transfer film by the vertical transport mechanism.
- the gel frame is provided in the horizontal direction, and the transfer film is pulled up in the vertical direction (this configuration is also referred to as “horizontal type” in this specification).
- the upper surface of the gel frame is in contact with the outside air, and the lower surface of the gel frame is in contact with the structure of the apparatus. Therefore, the gel frame is not sufficiently cooled, and the gel may generate heat during electrophoresis. If the gel generates heat, the electrophoretic pattern may be distorted, the resolution may be reduced, and the separated DNA may not be transferred to the transfer film.
- the transfer film is generally a thin plastic film and has elasticity. Therefore, the film fixed to the rectangular transfer film frame is in a state where the center is more easily extended than the peripheral part, and the tension is increased as it approaches the edge. For this reason, the transfer pattern may be distorted near the center.
- a separation unit that stores a separation medium such as a gel stands up in a substantially vertical direction (this configuration is also referred to as a “vertical type” in the present specification).
- the upper part of the separation part is in contact with the cathode buffer and the lower part of the separation part is in contact with the anode buffer, so that the separation part can be sufficiently cooled by water cooling.
- the transfer film can be transported without being fixed to the rectangular transfer film frame.
- the present invention has been made in view of the above problems, and has as its main object to provide a vertical discharge transfer type electrophoresis-transfer apparatus equipped with a suitable transfer film transport mechanism.
- a biomolecule analyzer stores a first buffer tank, a second buffer tank disposed above the first buffer tank, and a separation medium.
- the separation unit is configured to stand substantially vertically, so that the separation unit is immersed in the buffer solution in the first or second buffer solution tank, and the separation medium can be cooled with water.
- the biomolecule analyzer is configured in this way, it is necessary to move the transfer film in the first buffer tank.
- a drive part is provided under a 1st buffer solution tank, and the shape of an arm part passes along the outer side of the side wall of a 1st buffer solution tank, and wraps around the upper end of the said side wall.
- the transfer film can be successfully moved in the first buffer solution tank while avoiding deterioration of the durability of the drive unit due to the buffer solution and obstruction of various operations by the drive unit. Can be made. Accordingly, it is possible to provide a vertical discharge transfer type electrophoresis-transfer apparatus having a suitable transfer film transport mechanism.
- the transfer film has a first end portion in the moving direction forward by driving the arm portion and a second end portion in the moving direction rear, and the arm portion is A first fixing portion that fixes the first end portion, a second fixing portion that fixes the second end portion, and an elastic body that biases the first fixing portion and the second fixing portion in a direction facing each other. It may be.
- the elastic body biases the first and second fixing portions that fix both ends in the moving direction of the transfer film in the directions opposite to each other, so that a constant tension is applied to the transfer film. Can be granted. Thereby, the transfer film can be stretched and a good transfer result can be obtained.
- a support member that supports the transfer film from the side opposite to the separation part in the transfer film is provided at the bottom of the first buffer tank.
- the transfer film may be bent by the separation portion so that the opposite side to the separation portion is convex.
- the transfer film is supported by the support member, and the separating portion is pressed down and bent so as to protrude downward (opposite to the separating portion).
- tension is applied to the transfer film, and the transfer film can be brought into close contact with the first opening.
- the transfer film since the transfer film is maintained in a tensioned state by the elastic body, the transfer film can be suitably pressed against the first opening. Thereby, the transfer from the separation medium to the transfer film can be more suitably performed.
- the support member may be formed at a position sandwiching a pair of positions facing the first opening at the bottom.
- the transfer film is supported by the support members disposed on both sides of the separation unit, and the separation unit holds the transfer film and bends it downward so as to be convex (opposite to the separation unit). .
- a uniform tension is applied to the transfer film, and the transfer film can be uniformly adhered to the first opening.
- the transfer from the separation medium to the transfer film can be more suitably performed.
- the transfer film has a first end portion in the moving direction forward by driving the arm portion and a second end portion in the moving direction rear, and the arm portion is A first fixing portion that fixes the first end portion, a second fixing portion that fixes the second end portion, and a connecting portion that connects the first fixing portion and the second fixing portion with a predetermined distance therebetween. Good.
- the first and second end portions of the transfer film are fixed by the first and second fixing portions connected to each other with a predetermined distance therebetween.
- the transfer film can be stretched without loosening along its moving direction. Thereby, it can suppress that a transcription
- the connecting portion may be disposed at a position sandwiching the transfer film from the side in the movement direction.
- connection portion it is possible to avoid the connection portion from overlapping the front surface (surface facing the first opening) and the back surface (surface opposite to the first opening) of the transfer film. Accordingly, it is possible to prevent the transfer from the separation medium to the transfer film and the contact of other members with the back surface of the transfer film from being hindered by the connecting portion.
- a support member that supports the transfer film from the side opposite to the separation part in the transfer film is provided at the bottom of the first buffer tank.
- the transfer film may be bent by the separation portion so that the opposite side to the separation portion is convex.
- the transfer film is supported by the support member, and the separating portion is pressed down and bent so as to protrude downward (opposite to the separating portion).
- tension is applied to the transfer film, and the transfer film can be brought into close contact with the first opening.
- the transfer from the separation medium to the transfer film can be more suitably performed.
- the support member may be formed at a position sandwiching a pair of positions facing the first opening at the bottom.
- the transfer film is supported by the support members disposed on both sides of the separation unit, and the separation unit holds the transfer film and bends it downward so as to be convex (opposite to the separation unit). .
- a uniform tension is applied to the transfer film, and the transfer film can be uniformly adhered to the first opening.
- the transfer from the separation medium to the transfer film can be more suitably performed.
- the inclination angle from the position in contact with the support member to the position in contact with the first opening in the transfer film is 1 ° or more and 60 ° or less downward with respect to the horizontal plane. There may be.
- the portion of the arm portion that goes around the upper end of the side wall is detachable from the drive unit, and the first buffer solution tank is detachable from the biomolecule analyzer. It may be possible.
- the first buffer solution tank can be removed, the first buffer solution tank can be easily cleaned without adhering the cleaning solution or the like to the drive unit. Further, when removing the first buffer solution tank, it is possible to separate the portion connected to the inner side of the side wall of the arm part from the upper end of the side wall of the first buffer solution tank from the drive unit. One buffer tank can be easily removed.
- the arm unit is connected to the drive unit, and a first portion extending outside the side wall to a position aligned with an upper end of the side wall; You may have the 2nd site
- the second part can be easily attached to and detached from the drive unit.
- the first part is disposed outside the side wall of the first buffer tank, and does not obstruct various operations such as removal of the first buffer tank and setting of the electrodes. Therefore, various operations can be successfully performed by appropriately removing the second part.
- the first buffer solution tank, the second buffer solution tank, and the separation unit may be transparent.
- the state of the separation medium and the transfer film can be observed during the operation of the apparatus.
- the movement of the visible marker can be confirmed with the naked eye.
- the first electrode is disposed in the first buffer solution tank
- the second electrode is disposed in the second buffer solution tank
- the transfer film has the first opening and You may arrange
- a voltage can be applied to the separation medium between the first opening opened in the first buffer solution tank and the second opening opened in the second buffer solution tank. Molecular electrophoresis can be performed successfully.
- the transfer film is inserted between the first opening and the first electrode, it is possible to successfully transfer the separated biomolecule from the first opening to the transfer film.
- the separation unit is detachably attached to the second buffer solution tank, and the second buffer solution tank is attached to and detached from the first buffer solution tank. It may be attached as possible.
- the separation unit and the second buffer solution tank can be removed, the separation unit and the second buffer solution tank can be easily washed without adhering a cleaning solution or the like to the drive unit.
- FIG. 1 is a perspective view showing a schematic configuration of a biomolecule analyzer according to an embodiment of the present invention. It is sectional drawing which shows schematic structure of the biomolecule analyzer which concerns on one Embodiment of this invention. It is a perspective view which shows schematic structure of the adjuster in one Embodiment of this invention. It is sectional drawing for demonstrating the electrophoresis and transcription
- FIG. 1 is a perspective view showing a schematic configuration of a biomolecule analyzer according to an embodiment of the present invention. It is sectional drawing which shows schematic structure of the adjuster in one Embodiment of this invention.
- FIG. 1 is a perspective view schematically showing the configuration of the biomolecule analyzer 100.
- FIG. 2 is a side sectional view schematically showing the configuration of the biomolecule analyzer 100.
- the biomolecule analyzer 100 is a vertical discharge transfer type electrophoretic transfer device, which includes a clamp (arm portion, first fixing portion) 20, a clamp (arm portion, first fixing portion). Two fixed parts) 21, a clamp frame (arm part, connecting part) 22, a carrier (arm part, a part that goes around the upper end of the side wall, a second part) 23, an anode buffer tank (first buffer liquid tank) 30, a table 31, Cathode buffer tank (second buffer solution tank) 40, separation part 50, motor (drive part) 62, ball screw (drive part) 63, guide shaft (drive part) 64, shaft holder (drive part) 65, guide pole (arm) Part, first part) 66, and control unit 68. Further, although not shown for the sake of explanation, for the sake of safety, a lid that covers the whole during operation is further provided.
- the separation unit 50 accommodates a separation gel (separation medium) 52, and has a first opening 50 a that opens into the anode buffer tank 30 and a second opening 50 b that opens into the cathode buffer tank 40. Yes. Further, the transfer film 1 is disposed in the anode buffer tank 30 so as to face the first opening 50a. An anode (first electrode) 32 is disposed in the anode buffer tank 30, and a cathode (second electrode) 41 is disposed in the cathode buffer tank 40.
- the cathode buffer tank 40 and the anode buffer tank 30 are filled with a buffer solution, so that the cathode 41 in the cathode buffer tank 40 and the anode 32 in the anode buffer tank 30 are two tanks.
- the biomolecule analyzer 100 applies a voltage between the cathode 41 and the anode 32 to separate the sample introduced from the second opening 50b by the separation gel 52, and separates each separated component into the first.
- This is an apparatus for discharging from the opening 50a and adsorbing it to the transfer film 1.
- the anode 32 is disposed in the anode buffer tank 30, and the cathode 41 is disposed in the cathode buffer tank 40.
- the anode 32 and the cathode 41 are formed from a conductive material such as metal.
- a material for forming the anode 32 and the cathode 41 for example, platinum is preferable from the viewpoint of suppressing ionization of the electrode.
- the anode 32 is arranged in the anode buffer tank 30 and the cathode 41 is not particularly limited as long as it is arranged in the cathode buffer tank 40.
- the cathode 41, the first opening 50a and the anode 32 may be arranged on a substantially straight line. If the transfer film 1 is arranged in such an arrangement as shown in FIG. 1, the lines of electric force passing through the first opening 50a are substantially perpendicular to the transfer film 1, thereby improving the accuracy of sample adsorption. obtain.
- the anode 32 is preferably arranged away from the transfer film 1. Thereby, it is possible to suppress the bubbles generated from the anode 32 from adversely affecting the adsorption of the separation component to the transfer film 1.
- the anode 32 and the cathode 41 may be used by being connected to the control unit 68 or may be used by being connected to an external power supply (DC power supply device), for example.
- an external power supply DC power supply device
- the biomolecule analyzer 100 is started by operating the control unit 68 simultaneously with the start of the operation of the power supply. Just do it.
- the anode buffer tank 30 and the cathode buffer tank 40 are insulating containers for retaining a buffer solution (buffer).
- the cathode buffer tank 40 is provided above the anode buffer tank 30.
- the anode buffer tank 30 is fixed on the table 31, and the cathode buffer tank 40 is fixed to the anode buffer tank 30, but the present invention is not limited to this configuration.
- the buffer solution to be put into the anode buffer tank 30 and the cathode buffer tank 40 can be any conductive buffer solution.
- a buffer solution having a weakly acidic to weakly basic buffer region can be suitably used.
- buffers include Tris / glycine buffer, acetate buffer, sodium carbonate buffer, CAPS buffer, Tris / boric acid / EDTA buffer, Tris / acetic acid / EDTA buffer, MOPS, Buffers such as phosphate buffer and Tris / Tricine buffer can be used.
- the transfer film 1 is supported on the bottom of the anode buffer tank 30 from the back surface (the surface opposite to the separation portion 50) of the transfer film 1 in the movement path of the transfer film 1.
- Guides (support members) 33 and 34 are provided.
- the separation unit 50 houses a separation gel (separation medium) 52 therein.
- the separation unit 50 stands up in a substantially vertical direction, the lower part thereof is arranged in the anode buffer tank 30, and the upper part thereof is arranged so that one side thereof is in contact with the cathode buffer tank 40.
- the separation gel 52 is water-cooled by at least one of the buffer solution in the anode buffer tank 30 and the buffer solution in the cathode buffer tank 40 and can be sufficiently cooled.
- the separation unit 50 has a first opening 50 a that opens into the anode buffer tank 30 and a second opening 50 b that opens into the cathode buffer tank 40.
- the separation gel 52 faces the anode buffer tank 30 through the first opening 50a, and faces the cathode buffer tank 40 through the second opening 50b.
- the separation unit 50 is fixed to the cathode buffer tank 40 by a lock 42 provided in the cathode buffer tank 40, but the present invention is not limited to this configuration.
- the separation unit 50 can be composed of two insulating plates 51 and 53 formed of an insulator such as glass or acrylic.
- the separation part 50 exposes the separation gel 52 by lacking a part of the insulating plate 53 in the second opening 50 b, thereby easily introducing the sample into the separation gel 52. be able to.
- the separation gel 52 is a gel for separating the sample components introduced from the second opening 50b according to the molecular weight.
- the separation gel 52 can be filled in the separation unit 50 before or after the separation unit 50 is attached to the biomolecule analyzer 100.
- a commercially available page chip filled with the separation gel 52 may be used as the separation unit 50.
- Examples of the separation gel 52 include acrylamide gel and agarose gel.
- the lateral width of the separation gel 52 can be set to a length capable of separating a sample of 10 to 12 lanes, for example.
- a configuration in which the separation gel 52 is filled in the separation unit 50 is employed.
- a configuration in which a number of ultrafine columns called nanopillars are provided between the insulating plate 51 and the insulating plate 53 is also possible. Can be adopted.
- the first opening 50a of the separation part 50 is formed of a conductive porous material (for example, a hydrophilic PVDF (Polyvinylidene difluoride) film, a hydrophilic PTFE (Polytetrafluoroethylene) film, etc.) including the periphery thereof. It may be covered with a covering portion. Accordingly, when the transfer film 1 is in contact with or pressed against the first opening 50a (when no distance is provided between the first opening 50a and the transfer film 1), the transfer film 1 is transferred when the transfer film 1 is conveyed. The frictional resistance and damage received from the separation part 50 and the separation gel 52 can be reduced.
- a conductive porous material for example, a hydrophilic PVDF (Polyvinylidene difluoride) film, a hydrophilic PTFE (Polytetrafluoroethylene) film, etc.
- the separation part 50 stands in a substantially vertical direction, the amount of sample introduction can be increased as compared with a configuration in which the separation part 50 is installed in a substantially horizontal direction. This is because it is difficult to change the depth of the well provided in the separation gel in the horizontal electrophoresis apparatus, but the depth of the well can be easily changed in the vertical electrophoresis apparatus. This is because the amount can be easily increased.
- the transfer film 1 is preferably a sample adsorbing / holding body that allows the sample separated by the separation gel 52 to be stably stored for a long period of time and further facilitates subsequent analysis.
- the material of the transfer film 1 is preferably a material having high strength and high sample binding ability (weight that can be adsorbed per unit area).
- a PVDF film or the like is suitable when the sample is a protein.
- the PVDF membrane is preferably hydrophilized in advance using methanol or the like.
- membranes conventionally used for protein, DNA and nucleic acid adsorption such as nitrocellulose membrane or nylon membrane can also be used.
- the sample that can be separated and adsorbed in the biomolecule analyzer 100 is not limited to these, but is a preparation from a biological material (for example, a living organism, body fluid, cell line, tissue culture, or tissue fragment), or And commercially available reagents.
- a biological material for example, a living organism, body fluid, cell line, tissue culture, or tissue fragment
- commercially available reagents for example, a polypeptide or polynucleotide is mentioned.
- the transfer film 1 is used in a state immersed in a buffer solution in the anode buffer tank 30.
- the transfer film 1 has a length that is used for one electrophoresis / transfer, in other words, a distance that moves in the anode buffer tank 30 in one electrophoresis / transfer. If you do.
- the transfer film 1 By configuring the transfer film 1 in this way, an operation of cutting the transfer film 1 is not required for each electrophoresis / transfer, and the usability of the biomolecule analyzer 100 can be improved.
- the lateral width of the transfer film 1 may be a length corresponding to the lateral width of the separation gel 52.
- the transfer film 1 is used in a state of being held by the arm portion for the movement and the maintenance of the relative position with the first opening 50a.
- the arm portion includes clamps 20 and 21, a clamp frame 22, a carrier 23, and a guide pole 66 that are a series of connected members.
- the structure composed of the clamps 20 and 21 and the clamp frame 22 may be referred to as an adjuster.
- the adjuster is disposed inside the side wall of the anode buffer tank 30.
- FIG. 3 is a perspective view showing a schematic structure of the adjuster. As shown in FIG. 3, the clamp 20 includes a lower portion 20a and an upper portion 20b, and the clamp 21 includes a lower portion 21a and an upper portion 21b.
- the space between the lower portion 20a and the upper portion 20b and the space between the lower portion 21a and the upper portion 21b are opened.
- an end (first end) in the moving direction of the transfer film 1 is sandwiched between the lower portion 20a and the upper portion 20b, and an end in the moving direction of the transfer film 1 is interposed between the lower portion 21a and the upper portion 21b.
- the clamp is performed by closing between the lower part 20a and the upper part 20b and between the lower part 21a and the upper part 21b.
- the end of the transfer film 1 in the moving direction can be fixed by 20, and the end of the transfer film 1 in the moving direction can be fixed by the clamp 21.
- the arm portion can hold the transfer film 1.
- the clamps 20 and 21 may be provided with a lock for fixing in the closed state.
- the clamp frame 22 is a shaft member that connects the clamps 20 and 21, and connects the clamps 20 and 21 with a predetermined distance therebetween. Thereby, when both ends of the transfer film 1 are fixed by the clamps 20 and 21, the transfer film 1 can be stretched without loosening along the moving direction. Thereby, it can suppress that a transcription
- the clamp frame 22 is disposed at a position sandwiching the transfer film 1 from the side in the movement direction, and thereby, the front surface (surface facing the first opening 50a) and the back surface (opposite to the first opening 50a) of the transfer film 1. It can be avoided that the clamp frame 22 overlaps the side surface. Accordingly, it is possible to prevent the clamp frame 22 from inhibiting the transfer from the separation gel 52 to the transfer film 1 and the contact of other members with the back surface of the transfer film 1 (details will be described later).
- the guide pole 66 is a shaft member that is connected to a drive unit (shaft holder 65), which will be described later, and is disposed so as to pass outside the side wall of the anode buffer tank 30.
- the carrier 23 is a member that is connected to the guide pole 66, goes around the upper end of the side wall of the anode buffer tank 30, and is connected to the clamp 20.
- the arm portion is connected to the inside of the side wall through the outside of the side wall of the anode buffer tank 30 from the position where it is connected to the driving unit, and around the upper end of the side wall.
- the guide pole 66 extends outside the side wall of the anode buffer tank 30 to a position aligned with the upper end of the side wall.
- the carrier 23 is fitted to the guide pole 66 and extends inside the side wall across the upper end of the side wall of the anode buffer tank 30.
- the guide pole 66 is disposed outside the side wall of the anode buffer tank 30, and various operations such as removal of the anode buffer tank 30 (details will be described in Embodiment 2) and electrode setting are performed as necessary. Will not get in the way. Therefore, various operations can be successfully performed by appropriately removing the carrier 23.
- the drive unit drives the arm unit in a substantially horizontal direction, and in the present embodiment, is constituted by a motor 62, a ball screw 63, a guide shaft 64, and a shaft holder 65.
- the motor 62 rotates the ball screw 63.
- a motor whose speed can be changed may be used, or a motor having a fixed speed may be used in combination with a gear.
- the ball screw 63 penetrates the shaft holder 65 and is screwed into the shaft holder 65.
- the guide shaft 64 passes through the shaft holder 65, and the shaft holder 65 is configured to be movable along the guide shaft 64. Then, when the motor 62 rotates the ball screw 63, the shaft holder 65 is driven in the X direction (substantially horizontal direction) in the figure.
- the shaft holder 65 is connected to the arm portion (guide pole 66), and thus, the drive portion can drive the arm portion in the X direction (substantially horizontal direction) in the drawing. Since the arm portion holds the transfer film 1, the transfer film 1 moves in the X direction (substantially horizontal direction) in the figure.
- the present invention is not limited to this, and the driving unit may be configured by another driving mechanism (for example, a belt, a gear, or the like) as long as the arm unit can be driven in a substantially horizontal direction. Good.
- another driving mechanism for example, a belt, a gear, or the like
- the drive unit is provided under the anode buffer tank 30. Accordingly, it is possible to prevent the buffer solution scattered from the anode buffer tank 86 from deteriorating the durability of the driving unit and the driving unit from interfering with various operations on the biomolecule analyzer 100.
- the control unit 68 is a control panel that performs various controls of the biomolecule analyzer 100 (control of the position of the arm unit, control of current and voltage applied to the anode 32 and the cathode 41, etc.).
- the control unit 68 may include a button and a switch for receiving an input from the user, a lamp for notifying the user of an operation state, a display unit, and the like.
- FIG. 4 is a cross-sectional view for explaining electrophoresis and transfer of a sample in the present embodiment.
- the anode buffer tank 30, the cathode buffer tank 40, etc. are omitted for convenience of explanation.
- the transfer film 1 is held by the clamps 20 and 21 (adjusters, arm portions) in a state of being arranged at a position facing the first opening 50a. .
- the transfer film 1 is supported from the back surface of the transfer film 1 (the side opposite to the separation unit 50) by guides 33 and 34 provided at the bottom of the anode buffer tank 30.
- the guides 33 and 34 are provided at the bottom of the anode buffer tank 30 so as to support the transfer film in the moving path along which the transfer film 1 moves.
- the longitudinal directions of the guides 33 and 34 are orthogonal to the moving direction (X direction) of the transfer film 1 and are parallel to the longitudinal direction of the first opening 50a.
- the separation film 50 is bent so that the side opposite to the separation part 50 is convex when the separation part 50 (on the first opening 50a side) abuts on the surface of the transfer film 1 (separation part 50 side). It has been.
- the transfer film 1 is supported by the guides 33 and 34, and the separation unit 50 presses it and is bent so as to protrude downward (to the side opposite to the separation unit 50).
- tension is applied to the transfer film 1, and the transfer film 1 can be brought into close contact with the first opening 50a. Thereby, the transfer from the separation gel 52 to the transfer film 1 can be more suitably performed.
- the guides 33 and 34 are formed at positions sandwiching the position facing the first opening 50 a at the bottom of the anode buffer tank 30, so that the guides 33 arranged on both sides of the separation unit 50 are formed.
- the transfer film 1 is supported by 34, and the separation part 50 is pressed down and bent so as to protrude downward (opposite to the separation part).
- a uniform tension is applied to the transfer film 1, and the transfer film 1 can be evenly adhered to the first opening 50a.
- the transfer from the separation gel 52 to the transfer film 1 can be more suitably performed.
- the tension of the transfer film 1 when transferring a sample from the separation gel 52 to the transfer film 1 is preferably, for example, a tension within a range of 1N or more and 12N or less, and is about 6N. Most preferred. If the tension applied to the transfer film is in the above range, it is possible to transfer the sample from the separation gel 52 to the transfer film 1 with high sensitivity and to prevent the transfer film 1 from being damaged by excessive tension. it can.
- the inclination angle ⁇ from the position in contact with the guides 33 and 34 to the position in contact with the first opening 50a in the transfer film 1 is preferably downward with respect to the horizontal plane. It can be suitably realized by setting the angle to 1 ° or more and 60 ° or less, more preferably about 10 °. Since the tension of the transfer film 1 is defined by the tilt angle, the tension of the transfer film 1 can be set to the above-described range by setting the tilt angle within the above-described range.
- the clamp frame 22 is disposed at a position sandwiching the transfer film 1 from the side in the movement direction, so that the guides 33 and 34 do not prevent the transfer film 1 from being supported from the back surface.
- the sample is introduced into the separation gel 52 from the second opening 50 b of the separation unit 50.
- a visible molecular weight marker for confirming the progress of electrophoresis to the sample.
- the control unit 68 controls the motor 62 to set the position of the transfer film 1 as a start position, and allows current to flow between the anode 32 and the cathode 41 to start electrophoresis.
- the value of the current that flows between the anode 32 and the cathode 41 is not particularly limited, but is preferably 50 mA or less, and more preferably 20 mA or more and 30 mA or less.
- the current value may be controlled to be constant, the voltage may be controlled to be constant, or the current / voltage may be controlled in other manners.
- the transfer film 1 is gradually moved in the X direction (substantially horizontal direction) by driving the arm unit (adjuster) by the driving unit in accordance with the progress of electrophoresis in the separation unit 50.
- the X direction is a direction orthogonal to the longitudinal direction of the first opening 50a.
- the moving speed of the transfer film 1 is not particularly limited, but can be a pace that moves 5 to 10 cm in 60 to 120 minutes, for example.
- the position of the sample discharged from the first opening 50a by electrophoresis (separated in the separation gel 52) according to the discharge timing in the transfer film 1 (the first opening 50a at the discharge timing). Adsorbed at the position facing the As a result, the separated sample is transferred to the transfer film 1.
- the transfer membrane 1 can be collected and used for staining or immune reaction (blocking and antigen-antibody reaction in Western blotting). Thereafter, a separation pattern of components transferred to the transfer film 1 is detected by a fluorescence detector or the like.
- a fluorescence detector may be incorporated in the biomolecule analysis apparatus 100, and thereby, all the steps of electrophoresis, transcription, and detection can be automated.
- the separation unit 50 is immersed in at least one buffer solution of the anode buffer tank 30 and the cathode buffer tank 40, and the separation gel 52 is cooled with water. Can do.
- the biomolecule analyzer 100 When the biomolecule analyzer 100 is configured in this way, it is necessary to (i) move the transfer film 1 in the anode buffer tank 30, and (ii) transfer the drive unit as in the prior art. If it is intended to be arranged upstream of the membrane 1, the buffer solution scattered from the anode buffer tank 30 may reduce the durability of the drive unit, and the drive unit may hinder various operations on the biomolecule analyzer 100.
- the drive unit is provided under the anode buffer tank 30 and the shape of the arm portion passes through the outside of the side wall of the anode buffer tank 30 and the upper end of the side wall is By forming a shape that wraps around and is connected to the inside of the side wall, the transfer film 1 is made positive while avoiding a decrease in durability of the drive unit due to the buffer solution and obstruction of various operations by the drive unit. It can be moved successfully in the buffer tank 30. Accordingly, it is possible to provide a vertical discharge transfer type electrophoresis-transfer apparatus having a suitable transfer film transport mechanism.
- the anode buffer tank 30, the cathode buffer tank 40, and the separation unit 50 may be detachable from the biomolecule analyzer 100. Thereby, since the anode buffer tank 30, the cathode buffer tank 40, and the separation part 50 can be removed and cleaned, the first buffer tank can be easily cleaned without attaching a cleaning solution or the like to the drive unit. .
- FIG. 5 is a perspective view showing a state where the separation unit 50 is removed from the biomolecule analyzer 100. Since the separation unit 50 is fixed to the cathode buffer tank 40 by a lock 42, it can be easily removed by releasing the lock 42. The separation unit 50 only needs to be detachably attached to the cathode buffer tank 40, and the method is not limited to the method using the lock 42.
- FIG. 6 is a perspective view showing a state where the cathode buffer tank 40 is further removed from the biomolecule analyzer 100.
- the cathode buffer tank 40 is not particularly limited, but may be detachably fixed to the anode buffer tank 30 with, for example, a screw, a lock, or the like.
- FIG. 7 is a perspective view showing a state where the carrier 23 is further removed from the biomolecule analyzer 100. Since the carrier 23 is coupled to the guide pole 66 and the clamp 20 by fitting to the guide pole 66 and the clamp 20, respectively, the carrier 23 can be easily removed. Note that the carrier 23 only needs to be removable from at least the drive unit. For example, the guide pole 66 may be separable from the shaft holder 65.
- FIG. 8 is a perspective view showing a state where the anode buffer tank 30 is further removed from the biomolecule analyzer 100.
- the anode buffer tank 30 since the carrier 23 that is a portion that goes around the upper end of the side wall of the anode buffer tank 30 in the arm portion can be separated from the drive unit, the anode buffer tank 30 can be easily removed. it can.
- the anode buffer tank 30 is not specifically limited, For example, what is necessary is just to be detachably fixed to the table 31 by fitting.
- FIG. 9 is a perspective view showing a schematic configuration of the biomolecule analyzer 100 according to the present embodiment.
- the anode buffer tank 30, the cathode buffer tank 40, and the separation unit 50 are configured so that the whole or a part thereof is transparent using, for example, transparent resin, glass, or the like.
- the lid that covers the whole during the above-described operation is also configured to be transparent.
- the arm portions clamps 20 and 21, clamp frame 22, carrier 23 and guide pole 66
- the arm portions may also be configured so that the whole or part thereof is transparent.
- the state of the separation gel 52 and the transfer film 1 can be observed during the operation of the apparatus.
- the movement of the visible marker can be confirmed with the naked eye.
- FIG. 10A is a cross-sectional view showing the configuration of the adjuster in the first embodiment
- FIG. 10B is a cross-sectional view showing the configuration of the adjuster in the present embodiment.
- Both adjusters fix a clamp (first fixing portion) 20 that fixes the front end (first end) of the transfer film 1 in the moving direction, and a rear end (second end) of the transfer film 1 in the moving direction.
- a clamp (second fixing portion) 21, and a clamp frame (connecting portion) 22 that connects the clamp 20 and the clamp 21.
- the insertion portion 22 a having a small diameter, is inserted into the clamp 21. It is inserted.
- the clamp 21 is configured to be slidable along the clamp frame 22.
- an elastic body 22b is provided at a position sandwiched between the clamp frame 22 and the clamp 21, and the clamp 20 connected to the clamp frame 22 and the clamp 21 face each other by the elastic force of the elastic body 22b. It is energized in the direction to do.
- both ends of the transfer film 1 are fixed to the clamps 20 and 21, respectively, and the clamp 20 and the clamp 21 are close to each other. If released from the above, both ends of the transfer film 1 are pulled in directions opposite to each other, and a constant tension can be applied to the transfer film 1 so that the transfer film 1 is stretched. If the transfer film 1 is in a relaxed state, when the transfer film 1 is moved, the gap between the transfer film 1 and the first opening 50a may become large and the transfer result may be blurred. In this case, since the transfer film 1 can be stretched, a good transfer result can be obtained.
- the transfer film 1 is supported by the guides 33 and 34, and the separation part 50 is pressed down and bent so as to protrude downward (opposite to the separation part 50). Since the transfer film 1 is maintained in the tensioned state by the elastic body 22b, the transfer film 1 is pressed against the first opening 50a in an attempt to return to the unfolded state. Thereby, the transfer film 1 can be pressed against the first opening 50a so that a good transfer result can be obtained.
- the material and arrangement of the elastic body 22b are not particularly limited as long as the elastic body 22b urges the clamps 20 and 21 in the direction facing away from each other by its elastic force, but is made of a material that does not cause electrolysis. Or coated with a material that does not cause electrolysis.
- the elastic body 22b may be a spring made of a resin that does not cause electrolysis or a metal coated with a resin.
- the elastic body 22b may also be an elastic body such as sponge or rubber.
- the present invention can be used in the field of manufacturing analytical instruments such as biomolecules and the field of analysis of biomolecules.
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Abstract
Description
本発明の一実施形態について、図面に基づいて説明すれば以下のとおりである。
陽極32は陽極バッファー槽30内に配置されており、陰極41は陰極バッファー槽40内に配置されている。陽極32及び陰極41は、金属などの導電性を有する材料から形成される。陽極32及び陰極41を形成する材料としては、例えば電極のイオン化を抑制する観点から白金が好ましい。
陽極バッファー槽30及び陰極バッファー槽40は、緩衝液(バッファー)を滞留させる絶縁性の容器である。陰極バッファー槽40は、陽極バッファー槽30に対して上方に設けられている。なお、本実施形態では、陽極バッファー槽30はテーブル31上に固定されており、陰極バッファー槽40は陽極バッファー槽30に固定されているが、本発明はこの構成には限定されない。
分離部50は、その内部に分離ゲル(分離媒体)52を収納している。本実施形態において、分離部50は、略垂直方向に起立しており、その下部は陽極バッファー槽30内に配置され、その上部は片面が陰極バッファー槽40に接するように配置されている。これにより、分離ゲル52は、陽極バッファー槽30内の緩衝液および陰極バッファー槽40内の緩衝液の少なくとも一方によって水冷され、十分に冷却することができる。
転写膜1は、分離ゲル52によって分離されたサンプルを長期間にわたって安定に保存可能にし、さらに、その後の分析を容易にするサンプルの吸着・保持体であることが好ましい。転写膜1の材質としては、高い強度を有し、かつサンプル結合能(単位面積当たりに吸着可能な重量)が高いものが好ましい。転写膜1としては、サンプルがタンパク質である場合にはPVDF膜などが適している。なお、PVDF膜は予めメタノールなどを用いて親水化処理を行っておくことが好ましい。これ以外には、ニトロセルロース膜又はナイロン膜など、従来からタンパク質、DNA及び核酸の吸着に利用されている膜も使用可能である。
本実施形態において、転写膜1は、その移動、及び、第一開口50aとの相対位置の維持のために、アーム部によって保持された状態で使用される。本実施形態において、アーム部は、連結された一連の部材であるクランプ20・21、クランプフレーム22、キャリア23及びガイドポール66から構成される。このうち、クランプ20・21及びクランプフレーム22から構成される構造体をアジャスターと称することもある。アジャスターは、陽極バッファー槽30の側壁の内側に配置されている。また、
図3は、アジャスターの概略構造を示す斜視図である。図3に示すように、クランプ20は、下部20a及び上部20bから構成されており、クランプ21は、下部21a及び上部21bから構成されている。
駆動部は、アーム部を略水平方向に駆動するものであり、本実施形態では、モータ62、ボールネジ63、ガイドシャフト64及びシャフトホルダ65によって構成されている。
制御部68は、生体分子分析装置100の各種制御(アーム部の位置の制御、陽極32及び陰極41に印加する電流・電圧の制御等)を行う制御盤である。制御部68は、ユーザからの入力を受けるためのボタン、スイッチや、動作状態をユーザに通知するためのランプ、表示部等を備えていてもよい。
次に、生体分子分析装置100におけるサンプルの電気泳動及び転写の流れについて、図4を参照して説明する。図4は、本実施形態におけるサンプルの電気泳動及び転写を説明するための断面図である。なお、図4では、説明の便のため、陽極バッファー槽30、陰極バッファー槽40等は省略している。
本発明の他の実施形態について、図5~8に基づいて説明すれば、以下のとおりである。なお、説明の便宜上、前記実施形態にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。
本発明の他の実施形態について、図9に基づいて説明すれば、以下のとおりである。なお、説明の便宜上、前記実施形態にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。
本発明の他の実施形態について、図10に基づいて説明すれば、以下のとおりである。なお、説明の便宜上、前記実施形態にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。本実施形態は、実施形態1とアジャスターの構成が異なっており、その他の構成について、実施形態1と同様である。以下、アジャスターの構成の違いについて説明する。
20 クランプ(アーム部、第一固定部)
21 クランプ(アーム部、第二固定部)
22 クランプフレーム(アーム部、連結部)
22b 弾性体
23 キャリア(アーム部、側壁の上端を回り込む部位、第二部位)
30 陽極バッファー槽(第一緩衝液槽)
31 テーブル
32 陽極(第1電極)
34・35 ガイド(支持部材)
40 陰極バッファー槽(第二緩衝液槽)
41 陰極(第2電極)
42 ロック
50 分離部
50a 第一開口
50b 第二開口
51・53 絶縁板
52 分離ゲル(分離媒体)
62 モータ(駆動部)
63 ボールネジ(駆動部)
64 ガイドシャフト(駆動部)
65 シャフトホルダ(駆動部)
66 ガイドポール(アーム部、第一部位)
68 制御部
100 生体分子分析装置
Claims (14)
- 第一緩衝液槽、
第一緩衝液槽の上方に配置された第二緩衝液槽、
分離媒体が収納され、第一緩衝液槽内に開口する第一開口及び第二緩衝液槽内に開口する第二開口を有し、略垂直方向に起立している分離部、
第一開口に対向する位置に配置された転写膜を保持するアーム部、並びに
第一緩衝液槽下に設けられ、該アーム部を略水平方向に駆動する駆動部を備え、
該アーム部は、第一緩衝液槽の側壁の外側を通り、該側壁の上端を回り込んで、該側壁の内側につながっていることを特徴とする生体分子分析装置。 - 上記転写膜は、上記アーム部の駆動による移動方向前方の第一端部及び該移動方向後方の第二端部を有し、
上記アーム部は、第一端部を固定する第一固定部、第二端部を固定する第二固定部、及び第一固定部と第二固定部とを互いに背向する方向に付勢する弾性体を備えていることを特徴とする請求項1に記載の生体分子分析装置。 - 第一緩衝液槽の底部には、上記転写膜を、当該転写膜における上記分離部とは反対側から支持する支持部材が設けられており、
上記転写膜は、上記分離部によって、上記分離部とは反対側が凸になるように折り曲げられていることを特徴とする請求項2に記載の生体分子分析装置。 - 上記支持部材は、上記底部において第一開口に対向する位置を対になって挟む位置に夫々形成されていることを特徴とする請求項3に記載の生体分子分析装置。
- 上記転写膜は、上記アーム部の駆動による移動方向前方の第一端部及び該移動方向後方の第二端部を有し、
上記アーム部は、第一端部を固定する第一固定部、第二端部を固定する第二固定部及び第一固定部と第二固定部とを所定距離離間して連結する連結部を備えていることを特徴とする請求項1に記載の生体分子分析装置。 - 上記連結部は、上記転写膜を上記移動方向側方から挟む位置に配置されていることを特徴とする請求項5に記載の生体分子分析装置。
- 第一緩衝液槽の底部には、上記転写膜を、当該転写膜における上記分離部とは反対側から支持する支持部材が設けられており、
上記転写膜は、上記分離部によって、上記分離部とは反対側が凸になるように折り曲げられていることを特徴とする請求項1、5および6の何れか一項に記載の生体分子分析装置。 - 上記支持部材は、上記底部において第一開口に対向する位置を対になって挟む位置に夫々形成されていることを特徴とする請求項7に記載の生体分子分析装置。
- 上記転写膜における上記支持部材に接する位置から第一開口に接する位置までの傾斜角が、水平面に対して下方向に1°以上60°以下であることを特徴とする請求項8に記載の生体分子分析装置。
- 上記アーム部における上記側壁の上端を回り込む部位は、上記駆動部から着脱可能になっており、
第一緩衝液槽が上記生体分子分析装置から着脱可能になっていることを特徴とする請求項1~9の何れか一項に記載の生体分子分析装置。 - 上記アーム部は、上記駆動部につながっており、上記側壁の外側を、当該側壁の上端に並ぶ位置まで延伸している第一部位と、第一部位に嵌合し、上記側壁の上端を跨いで当該側壁の内側に延伸している第二部位とを有していることを特徴とする請求項10に記載の生体分子分析装置。
- 第一緩衝液槽、第二緩衝液槽及び分離部が透明であることを特徴とする請求項1~11の何れか一項に記載の生体分子分析装置。
- 第一緩衝液槽には第一電極が配置され、
第二緩衝液槽には第二電極が配置され、
上記転写膜は、第一開口及び第一電極に挿まれるように配置されることを特徴とする請求項1~12の何れか一項に記載の生体分子分析装置。 - 上記分離部は、第二緩衝液槽に対して着脱可能に取り付けられており、
第二緩衝液槽は、第一緩衝液槽に対して着脱可能に取り付けられていることを特徴とする請求項1~13の何れか一項に記載の生体分子分析装置。
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KR1020167029148A KR101855031B1 (ko) | 2014-11-20 | 2015-11-19 | 생체 분자 분석 장치 |
SG11201700412YA SG11201700412YA (en) | 2014-11-20 | 2015-11-19 | Biomolecule analyzer |
CN201580020582.2A CN106233130B (zh) | 2014-11-20 | 2015-11-19 | 生物体分子分析装置 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4631120A (en) * | 1980-06-16 | 1986-12-23 | Fritz Pohl | Method in which elemental particles electrophoretically migrate through a gel onto a collecting surface of a moving belt |
JPS6491049A (en) * | 1987-08-28 | 1989-04-10 | Baiosu Corp | Transmission film for use in treatment of biological component, manufacture thereof and processing of biological component |
JPH01112147A (ja) * | 1987-10-26 | 1989-04-28 | Shimadzu Corp | 核酸の塩基配列決定方法 |
JP2007292616A (ja) * | 2006-04-25 | 2007-11-08 | Sharp Corp | サンプル分離吸着器具 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5234559A (en) | 1991-12-31 | 1993-08-10 | E. I. Du Pont De Nemours And Company | Apparatus for direct blotting and automated electrophoresis, transfer and detection and processes utilizing the apparatus thereof |
US5445723A (en) * | 1994-05-31 | 1995-08-29 | Hoefer Scientific Instruments | Blotting apparatus |
US5916429A (en) | 1997-08-01 | 1999-06-29 | Qualicon Inc. | Direct blot electrophoresis apparatus and method |
CN2658746Y (zh) * | 2003-11-06 | 2004-11-24 | 维德生物科技股份有限公司 | 直立式载片电泳槽的电泳模组 |
JP4431838B2 (ja) * | 2008-06-30 | 2010-03-17 | シャープ株式会社 | サンプル分離吸着器具 |
US8192601B2 (en) * | 2009-02-23 | 2012-06-05 | Bio-Rad Laboratories, Inc. | Electroblotting cassette with manually releasable electrodes of adjustable spacing |
WO2011106693A2 (en) | 2010-02-26 | 2011-09-01 | The Regents Of The University Of Michigan | Microscale western blot |
US9103781B2 (en) | 2011-09-12 | 2015-08-11 | Sharp Kabushiki Kaisha | Sample separation and adsorption appliance |
-
2014
- 2014-11-20 JP JP2014235992A patent/JP5952379B2/ja active Active
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2015
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4631120A (en) * | 1980-06-16 | 1986-12-23 | Fritz Pohl | Method in which elemental particles electrophoretically migrate through a gel onto a collecting surface of a moving belt |
JPS6491049A (en) * | 1987-08-28 | 1989-04-10 | Baiosu Corp | Transmission film for use in treatment of biological component, manufacture thereof and processing of biological component |
JPH01112147A (ja) * | 1987-10-26 | 1989-04-28 | Shimadzu Corp | 核酸の塩基配列決定方法 |
JP2007292616A (ja) * | 2006-04-25 | 2007-11-08 | Sharp Corp | サンプル分離吸着器具 |
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US10067087B2 (en) | 2018-09-04 |
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SG11201700412YA (en) | 2017-03-30 |
ES2775020T3 (es) | 2020-07-23 |
JP2016099210A (ja) | 2016-05-30 |
EP3225980B1 (en) | 2020-01-08 |
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