WO2016080418A1 - フレーム部材付き転写膜、生体分子分析装置、試薬槽及び振盪装置 - Google Patents
フレーム部材付き転写膜、生体分子分析装置、試薬槽及び振盪装置 Download PDFInfo
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- WO2016080418A1 WO2016080418A1 PCT/JP2015/082345 JP2015082345W WO2016080418A1 WO 2016080418 A1 WO2016080418 A1 WO 2016080418A1 JP 2015082345 W JP2015082345 W JP 2015082345W WO 2016080418 A1 WO2016080418 A1 WO 2016080418A1
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- transfer film
- frame
- frame member
- pair
- fitting
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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
- G01N27/44704—Details; Accessories
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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
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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
- G01N27/44756—Apparatus specially adapted therefor
- G01N27/44773—Multi-stage electrophoresis, e.g. two-dimensional electrophoresis
- G01N27/44778—Multi-stage electrophoresis, e.g. two-dimensional electrophoresis on a common gel carrier, i.e. 2D gel electrophoresis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54366—Apparatus specially adapted for solid-phase testing
-
- 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
Definitions
- the present invention relates to a transfer film with a frame member, a biomolecule analyzer, a reagent tank, and a shaking device.
- 2DE two-dimensional electrophoresis
- Western blotting is an indispensable step when comprehensively examining multiple biological characteristics of proteins such as increase / decrease in protein expression and presence / absence of post-translational modification using separation results by 2DE. I can say that.
- Patent Document 1 a transfer film is fixed to a curved frame in a state where the transfer film is free of wrinkles, and after transferring proteins to the curved film by an electrophoresis apparatus, the transfer film attached to the curved frame is liquidized together with the frame. It is described to be placed in a chamber and processed in liquid.
- the present invention has been made in view of the above problems, and a main purpose thereof is to provide a technique for easily stretching a transfer film without loosening without hindering the processing after transfer.
- a transfer film with a frame member according to aspect 1 of the present invention includes a transfer film to which a specimen separated by electrophoresis is transferred, a first side that is one side of the transfer film, and And a pair of frame members that individually support two sides of the second side, which is one side facing the first side.
- the transfer film can be easily stretched without loosening without hindering the treatment after transfer.
- FIG. 1A is a diagram illustrating an outline of a transfer film with a frame (transfer film with a frame member) 10 according to the first embodiment of the present invention.
- FIG. 1B is a cross-sectional view taken along line A and line B in FIG.
- the framed transfer film 10 includes a pair of one side (first side) and one side (second side) opposite to the one side of the transfer film 1. Individually supported by a frame (frame member) 2.
- the frame-attached transfer film 10 is an opening-like fitting portion that penetrates the frame 2 (as a fitting portion 3 a in the pair of frames 2). More preferably, a through hole is provided.
- Each fitting part 3a can be fitted into a corresponding convex fitting part.
- the transfer film with frame 10 can stretch the transfer film 1 without loosening by fixing the pair of frames 2 in parallel and separating them from each other.
- the transfer film 10 with the frame is attached to the biomolecule analyzer while applying a simple and appropriate tension to the transfer film 1. be able to. For this reason, it is possible to prevent the distortion of the blot when it is fixed to the biomolecule analyzer and the specimen is transferred by discharge transfer.
- the frame 2 can be used as the weight of the transfer film 1. For this reason, it is possible to prevent the transfer film 1 from moving in the reagent in a reagent tank such as a shaker and causing unevenness in the antibody reaction. Furthermore, since the transfer film 10 with a frame has a simple configuration including the transfer film 1 and a pair of frames 2, for example, the transfer film is flattened and fixed by fixing the entire outer periphery with a frame. In addition, it is not bulky as compared with the case where the transfer film is spread and fixed by a curved frame, and for example, the amount of antibody used when performing Western blotting can be reduced.
- the transfer film 1 is a film for adsorbing and holding the biomolecule sample separated by the separation unit of the biomolecule analyzer.
- the transfer film 1 is a biomolecule sample adsorbing / holding body that enables the biomolecule sample (analyte) separated by the separation unit 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 polyvinylidene fluoride (PVDF) film is suitable when the sample is protein.
- the PVDF membrane is preferably hydrophilized in advance using methanol or the like.
- the biomolecule sample (analyte) that can be separated and adsorbed by the biomolecule analyzer can include, but is not limited to, protein, DNA, and RNA.
- a preparation from a biological material for example, an individual organism, a body fluid, a cell line, a tissue culture, or a tissue fragment
- a commercially available reagent can be used.
- a polypeptide or polynucleotide is mentioned.
- Each of the pair of frames 2 is preferably longer than the length of one side of the transfer film 1 to which the length of the frame 2 is fixed.
- the frame 2 is preferably made of an insulating material.
- resins such as polymethyl methacrylate (acrylic), polystyrene, polyethylene, polypropylene, polyethylene terephthalate (PET), polyacetal (POM), polyetheretherketone (PEEK), or glass can be used.
- the surface of the frame 2 is subjected to a hydrophilic treatment.
- a surface coating layer formed of, for example, a hydrophilic material may be provided on the surface of the frame 2 made of the above material.
- the frame 2 may be provided with hydrophilicity by using a hydrophilic material such as glass as the frame 2. Accordingly, it is possible to prevent a specimen such as a protein discharged from the discharge portion of the electrophoresis gel chip 50 from adhering to the surface of the frame 2, and it is possible to prevent the frame 2 from being contaminated.
- the water contact angle on the surface of the frame 2 is preferably 90 ° or less, and more preferably 60 ° or less. By setting the water contact angle on the surface of the frame 2 to 90 ° or less, the frame 2 can be suitably prevented from being contaminated by the specimen.
- the transfer film with a frame according to the present invention is not limited to the first embodiment.
- the transfer film 1 has a convex fitting portion 5a (protruding portion). It is supported by a pair of frames 4 provided.
- FIG. 2A is a perspective view of the framed transfer film 11 according to the present embodiment
- FIG. 2B is a framed transfer film 11 according to the present embodiment shown in FIG. It is sectional drawing in line A.
- the pair of frames 4 are fixed in parallel and separated from each other, so that the transfer film 1 itself can be easily stretched without loosening. it can.
- the framed transfer film 11 can prevent blot distortion when the specimen is transferred by discharge transfer, and the frame 4 can be used as the weight of the transfer film 1.
- the fitting portion 5a provided on one frame 4 is replaced with a concave fitting portion 5b provided on the front clamp 20′a. Mating. Further, the fitting portion 5a provided on the other frame 4 can be fixed to the fitting portion provided on the rear clamp 21a.
- the fitting part 5b corresponding to the fitting part 5a in the transfer film 11 with a frame according to the present embodiment has a structure that can sandwich and hold the convex part of the fitting part 5a such as a Duracon catch. Is more preferable.
- FIG. 3 is a view for explaining the outline of the framed transfer film 12 according to the embodiment of the present invention.
- the transfer film 1 supports one side and one side opposite to the one side by a frame 6. Has been.
- the frame 6 supports the transfer film 1 by sandwiching two opposing sides of the transfer film 1 on the surfaces where the frames 6a and 6b face each other.
- a guide that matches the shape of the portion where the transfer film is sandwiched may be provided so that the transfer film 1 can be placed at a predetermined position.
- the frame 6a and the frame 6b can be fixed to each other by a fitting portion (not shown). When the frame 6a and the frame 6b are fixed, the shapes of the openings of the fitting portion 7a and the fitting portion 7′a are the same, thereby fitting into the corresponding convex fitting portion. Be able to.
- the pair of frames 6 are fixed in parallel and preferably separated from each other in a state where the transfer film 1 is preferably spread flat.
- the transfer film 1 itself can be easily spread flat.
- the transfer film 1 to which the specimen is transferred by the biomolecule analyzer can be replaced after being evaluated, and the frame member can be reused.
- FIGS. 9A and 9B are diagrams for explaining the outline of a framed transfer film 12 ′ according to an embodiment (Embodiment 4) of the present invention.
- the framed transfer film 12 ′ includes a first surface and a second surface that sandwich the transfer film 1 in pairs.
- the first surface is provided with a flange portion 7d having a curved cross section in the short direction
- the second surface is provided with a groove portion 7'd that fits with the flange portion 7d.
- the flange portion 7d in the frame 6'a and the groove portion 7'd in the frame 6'b can be fitted to each other. Accordingly, as shown in FIG.
- the frame 6 ′ supports the transfer film 1 by sandwiching the transfer film 1 between the flange portion 7d in the frame 6′a and the groove portion 7′d in the frame 6′b.
- the frictional force of the surface of the frame 6 ′ that sandwiches the transfer film 1 can be increased.
- the transfer film 1 is more preferably prevented from being detached from the frame 6 ′. Can do.
- the flange portion 7d provided on the frame 6′a is formed of an elastic member such as rubber or a material having high insulating properties and friction properties such as ceramic, in addition to the resin constituting the frame. .
- the frictional force in the flange portion 7d and the groove portion 7′d can be increased. It is possible to more suitably prevent the transfer film 1 from being detached from the frame 6 ′.
- convex portions 7c are provided at both ends in the length direction of the frame 6'a and the frame 6'b.
- the frame 6 ′ is in a state in which the transfer film 1 is sandwiched by fitting the protrusions 7 c provided on each of the frames 6 ′ to a jig (not shown) having a recess that can be fitted to the protrusions 7 c.
- the frame 6′a and the frame 6′b can be fixed.
- the transfer film with frame 12 ′ can be fixed to the biomolecule analyzer by fitting the fitting portions 9 a to the corresponding fitting portions.
- FIG. 4 is a diagram for explaining the outline of a transfer film frame according to a modification of the present invention.
- a modified region 8 that can be modified in advance with a fluorescent standard sample is provided on the frame 2 ′′. 8 may be modified with a predetermined amount of fluorescent standard sample.
- the intensity of light emitted by the fluorescence scanner can be adjusted with reference to the fluorescence intensity emitted by the fluorescence standard sample modified in the region to be modified 8.
- the to-be-modified region 8 may be provided in both of a pair of frame members, and may be provided only in any one.
- the transfer film with a frame according to the present invention is not limited to the above embodiment.
- an entry region in which information can be entered is provided in a pair of frames (frame members).
- FIG. 6 is a diagram for explaining the outline of the biomolecule analyzer 100 according to the fifth embodiment of the present invention.
- the biomolecule analyzer 100 includes a transport unit including a clamp 20 that fixes the transfer film 10 with a frame, an anode buffer tank 30, a cathode buffer tank 40, an electrophoresis gel chip 50, a motor 62, and the like. It is configured.
- the electrophoresis gel chip 50 separates the specimen by electrophoresis and discharges the separated specimen to the transfer film 1.
- the transport unit moves the transfer film 1 in the transport direction (from one side (first side) where the frame 2 is provided in the frame-equipped transfer film 10 toward the other side (second side) where the frame 2 is provided). Transport. Thereby, the discharged specimen is adsorbed to a position according to the discharge timing in the transfer film 1 (a position facing the electrophoresis gel chip 50 at the discharge timing). As a result, the separated specimen is transferred to the transfer film 1.
- the biomolecule analyzer 100 includes a clamp (holding unit) 20 in which a front clamp 20 a and a rear clamp 21 a are fixed by a clamp frame 22.
- the carrier 23 is provided in the front clamp 20b.
- the clamp 20 is fixed so that the front clamp 20a and the front clamp 20b can be released by a jig, and the front clamp 20a is provided with two fitting portions 3b as shown in FIG. .
- the fitting portion 3b is fitted into fitting portions 3a provided at two locations of the frame 2 shown in FIG. 1A, and then the front clamp 20a and the front clamp 20b Insert and fix one of the two.
- the rear clamp 21a and the rear clamp 21b are fixed so as to be releasable by a jig, and the rear clamp 21a is provided with two fitting portions 3b as shown in FIG. 5B. .
- the remaining one of the frames 2 can be fixed.
- the clamp frame 22 fixes the front clamp 20a and the rear clamp 21a in a state where they are separated by a certain distance. For this reason, when the transfer film 10 with a frame is fixed by the clamp 20, the transfer film 1 is fixed in a stretched state without loosening. In addition, when the transfer film 10 with the frame is fixed by a clamp, the clamp frame 22 is located on the front side of the transfer film 1 in the transport direction (outside of the two sides not supported by the frame 2) and the front clamp 20a and the rear clamp 21a. And fix. Thereby, when the transfer film 10 with the frame is fixed to the biomolecule analyzer 100 via the clamp 20, the clamp frame 22 does not come into contact with the electrophoresis gel chip 50 and the guides 33 and 34 in the transfer path of the transfer film 1. Can be arranged.
- the carrier 23 is provided on the front clamp 20b, and is fixed in a detachable manner to a guide pole 66 disposed outside the anode buffer tank 30 when the clamp 20 is attached to the inside of the anode buffer tank 30. It can be done.
- the anode buffer tank 30 indicated by a dotted line in FIG. 6 is fixed to the anode stage 31 in a detachable state.
- An anode 32 and guides (support members) 33 and 34 are provided at the bottom of the anode buffer tank 30.
- the guides 33 and 34 are support members that respectively support a pair of positions sandwiched from the front and rear in the transport direction from the opposite side of the transfer film 1 from the electrophoresis gel chip 50 in the transfer film 1. is there.
- the anode buffer tank 30 is filled with the anode buffer, and the transfer film 10 with the frame fixed to the clamp 20 can be installed in the anode buffer.
- the anode 32 is an electrode composed of a platinum wire or the like, and is provided along the direction perpendicular to the conveyance path along which the transfer film 10 with the frame is conveyed at the bottom of the anode buffer tank 30. As a result, the anode 32 is arranged so that a voltage can be applied between the back surface of the transfer film 1 facing the electrophoresis gel chip 50 and the cathode 41 when the transfer film with frame 10 is installed. .
- Guides (support members) 33 and 34 are provided at the bottom of the anode buffer tank 30 on a transport path through which the frame-attached transfer film 10 is transported.
- the guides 33 and 34 are parallel to the electrophoresis gel chip 50 and are arranged so as to intersect perpendicularly to the transport direction (X direction) in which the transfer film with frame 10 is transported.
- the guides 33 and 34 support the transfer film 1 in parallel to the electrophoresis gel chip 50 from the back surface of the transfer film 1 on the side facing the electrophoresis gel chip 50.
- anode buffer examples include Tris / glycine buffer solution, acetate buffer solution, sodium carbonate buffer solution, CAPS buffer solution, Tris / boric acid / EDTA buffer solution, Tris / acetic acid / EDTA buffer solution, MOPS, phosphorus Buffers such as acid buffers and Tris / Tricine buffers can be used.
- the cathode buffer tank 40 is fixed to the anode buffer tank 30 in a detachable state.
- the cathode buffer tank 40 is provided with a cathode 41 and a lock 42.
- the cathode buffer tank 40 is filled with a cathode buffer, and the cathode 41 is installed in the cathode buffer so as to be parallel to the anode 32 installed in the anode buffer tank 30. Further, the electrophoresis gel chip 50 can be fixed in parallel to the cathode 41 by a lock 42 provided in the cathode buffer tank 40. Here, the electrophoresis gel chip 50 can be immersed in the cathode buffer filled in the cathode buffer tank 40 at the end opposite to the discharge portion 50a. As the cathode buffer, a buffer solution similar to the anode buffer can be used.
- the cathode 41 is an electrode composed of a platinum wire or the like, and is installed inside the cathode buffer tank 40 so as to be parallel to the anode 32. As a result, a voltage is applied between the anode 32 and the cathode 41 which are parallel to each other.
- a separation gel 52 is formed between an insulating plate 51 and an insulating plate 53.
- the insulating plate 51 and the insulating plate 53 are formed of a plate made of an insulator such as glass and acrylic, for example.
- the separation gel 52 is a gel for separating the introduced biomolecule sample component (analyte) according to the molecular weight.
- Examples of the separation gel 52 include polyacrylamide gels and agarose gels, and it is preferable to use a gel that is suitable for the above-described composition and matched to a buffer solution.
- the separation gel 52 can be formed by filling the electrophoresis gel chip 50 before attaching the electrophoresis gel chip 50 to the cathode buffer tank 40.
- the electrophoretic gel chip 50 faces the discharge part 50a and is supplied with the biomolecule sample component from the end arranged in the cathode buffer tank 40.
- the transport unit includes a motor 62, a ball screw 63, a guide shaft 64, a shaft holder 65, and a guide pole 66.
- the shaft holder 65 can be moved in the X direction along the guide shaft 64 by rotating the ball screw 63 by the motor 62.
- a guide pole 66 is fixed to the shaft holder 65, and the guide pole 66 supports the carrier 23 provided on the clamp 20 from the outside of the anode buffer tank 30.
- the transfer unit rotates the motor 62, thereby transferring the frame-attached transfer film 10 disposed inside the anode buffer tank 30 via the guide pole 66 disposed outside the anode buffer tank 30. Is moved in the X direction.
- FIGS. (A) of FIG. 5 is a figure explaining the state which mounted
- the transfer film with frame 10 has one of the frames 2 attached by fitting the fitting portion 3a of the frame 2 to the fitting portion 3b provided on the front clamp 20a. Secure to the front clamp 20a. Similarly, the fitting portion 3a in the other frame 2 is fixed by being fitted to the rear clamp 21a. Thereafter, as shown in FIG. 6, the transfer film 10 with the frame is fixed by the clamp 20 and disposed inside the anode buffer tank 30 filled with the anode buffer.
- the transfer film 1 of the frame-attached transfer film 10 is fixed while being supported by the guide 33 and the guide 34.
- the transfer film 1 of the transfer film with frame 10 is supported from below by a guide 33 and a guide 34.
- the cathode buffer tank 40 to which the electrophoresis gel chip 50 is fixed by the lock 42 is fixed to the upper part of the anode buffer tank 30.
- the electrophoresis gel chip 50 is installed in a state where it is pressed from above. That is, the transfer film 1 is fixed in a bent state so as to protrude toward the opposite side of the electrophoresis gel chip 50 (in a valley shape) by contacting the guide 33, the guide 34, and the electrophoresis gel chip 50. .
- the transfer film 1 of the frame-attached transfer film 10 is electrically transferred while transferring the specimen discharged by the electrophoresis gel chip 50 in the anode buffer.
- the gel With the discharge portion of the electrophoresis gel chip 50 being pressed, the gel is transported in the X direction shown in FIG. For this reason, the tension generated when the transfer film 1 is conveyed concentrates on the discharge portion provided at the end of the electrophoresis gel chip 50. That is, the transfer film 1 is conveyed in the X direction while being pressed against the discharge portion of the electrophoresis gel chip 50 by a certain force.
- the transfer film 10 with the frame it is possible to prevent a gap from being generated between the transfer film 1 and the specimen discharge portion of the electrophoresis gel chip 50 when the transfer film 1 is conveyed. Therefore, it is possible to suppress the specimen discharged from the discharge portion of the electrophoresis gel chip 50 from diffusing into the anode buffer before being transferred to the transfer film 1. Thereby, the fluctuation of the band of the specimen transferred to the transfer film 1 can be reduced, and the sensitivity of the biomolecule analyzer can be improved.
- the front clamp 20a and the rear clamp 21a move in the X direction in conjunction with each other so as to take a certain distance by the clamp frame 22. Thereby, the tension applied to the transfer film 1 conveyed along with the movement of the clamp 20 can be made constant. Accordingly, the specimen can be more suitably transferred to the transfer film 1 without unevenness.
- the tension applied to the transfer film when the transfer film with frame is conveyed is preferably, for example, a tension within a range of 0.1 N or more and 20 N or less, and most preferably about 6 N. If the tension applied to the transfer film is within the above range, the specimen discharged from the discharge part of the separation part can be transferred to the transfer film with high sensitivity, and the transfer film is damaged by excessive tension. Can be prevented.
- FIGS. 10A and 10B are diagrams for explaining the outline of a clamp (holding portion) 25 for fixing the framed transfer film 10 ′ according to the embodiment of the present invention.
- FIG. It is a figure explaining the outline of the biomolecule analyzer 101 which concerns on Embodiment 6.
- FIG. 10A and 10B are diagrams for explaining the outline of a clamp (holding portion) 25 for fixing the framed transfer film 10 ′ according to the embodiment of the present invention.
- FIG. It is a figure explaining the outline of the biomolecule analyzer 101 which concerns on Embodiment 6.
- the biomolecule analyzer 101 includes a clamp 25 that fixes a framed transfer film 10 ′, an anode buffer tank 30, a cathode buffer tank 40, an electrophoresis gel chip 50, and It is comprised by the conveyance part which consists of motors 62 etc.
- the biomolecule analyzer 101 has a clamp (holding) in which the front clamp 27 and the rear clamp 26 are fixed by a clamp frame (fixed portion) 22 ′. Part) 25.
- the clamp frame 22 ′ includes a clamp frame 22a, a clamp frame 22b, and a spring (biasing portion) 22c.
- the clamp frame 22 ′ includes a clamp frame 22a having a hollow inside, and the clamp frame 22a.
- a clamp frame 22b inserted through the frame 22a is urged by a spring 22c in a direction facing away from each other.
- the length of the portion of the clamp frame 22b that is inserted into the clamp frame 22a is more preferably long so that the clamp frame 22a is not displaced due to the weight of the transfer film or its own weight.
- the clamp 25 is provided with a fixed frame 28 at three positions on each of the front clamp 27 and the rear clamp 26, and an end portion of the fixed frame 28. Is fitted to the fitting portions provided at three positions of the frame 2 ′ of the frame transfer film 10 ′, thereby fixing the frame transfer film 10 ′ to the clamp 25.
- the transfer film 1 in the frame-attached transfer film 10 ′ is biased in a direction in which the pair of frames 2 ′ face each other by the spring 22 c provided on the clamp frame 22 ′ while being held by the clamp 25.
- tension is applied so as to be stretched without loosening ((a) of FIG. 10).
- the clamp frame 22 'fixes the front clamp 27 and the rear clamp 26 in a state where they are separated by a certain distance.
- the clamp 25 is connected to the front clamp 27 from the side of the transfer film 1 in the transport direction (outside of the two sides not supported by the frame 2 ′).
- the rear clamp 26 is fixed.
- the clamp frame 22 ′ contacts the electrophoresis gel chip 50 and the guides 33 and 34 in the transfer path of the transfer film 1. Can be arranged to not.
- the clamp 25 is installed in the biomolecule analyzer 101 by fixing the front clamp 27 to the guide pole 66.
- FIG. 11 is a diagram for explaining the outline of the biomolecule analyzer 101.
- the state in which the transfer membrane 10 ′ with the frame is installed in the biomolecule analyzer 101 while the transfer membrane 10 ′ with the frame is held by the clamp 25 is shown. It is a figure explaining.
- the transfer film 10 ′ with the frame is configured to fit the fitting portion of the frame 2 ′ to the end portion of the fixed frame 28 provided on the front clamp 27. To fix one of the frames 2 ′ to the front clamp 27. Similarly, the fitting portion of the other frame 2 ′ is fixed by being fitted to the end portion of the fixed frame 28 provided in the rear clamp 26. As a result, the framed transfer film 10 ′ is fixed by the clamp 25 as shown in FIG.
- the transfer film 10 ′ with the frame fixed to the clamp 25 via the fixed frame 28 is replaced with the anode buffer filled with the anode buffer.
- the frame-attached transfer film 10 ′ can be disposed inside the anode buffer tank 30 so that the clamp frame 22 ′ in the clamp 25 is not immersed in the anode buffer tank 30.
- the transfer film 1 of the transfer film with frame 10 ′ is supported from below by a guide 33 and a guide 34 inside the anode buffer tank 30.
- the cathode buffer tank 40 to which the electrophoresis gel chip 50 is fixed by the lock 42 is fixed to the upper part of the anode buffer tank 30.
- the transfer film 1 of the frame-attached transfer film 10 ′ is bent so as to protrude toward the opposite side of the electrophoresis gel chip 50 (in a valley fold shape) by contacting the guide 33, guide 34 and electrophoresis gel chip 50. Fixed in a bent state.
- the transfer film 1 of the framed transfer film 10 ′ is transferred while the specimen discharged by the electrophoresis gel chip 50 is transferred.
- the electrophoretic gel chip 50 is conveyed in the X direction shown in FIG.
- tension is applied by the spring 22c provided to the clamp frame 22 'of the clamp 25 so that the transfer film 1 is stretched without looseness. For this reason, while concentrating the tension applied to the transfer film 1 on the discharge part 50a provided at the end of the electrophoresis gel chip 50, the transfer film 1 on the downstream side in the X direction from the part against which the discharge part 50a is pressed, Tension can be applied by the urging force of a spring 22c provided on the clamp frame 22 ′. For this reason, it is possible to prevent the transfer film 1 from being loosened downstream of the portion where the discharge portion 50a where the tension is concentrated in the transfer film 1 is pressed.
- the transfer film 1 when the transfer film 1 is transported in the X direction, the transfer film 1 loosens on the downstream side of the portion where the discharge part 50a of the electrophoresis gel chip 50 is pressed, so that the transfer film 1 and the discharge part 50a It is possible to prevent a gap from being formed between the two. Accordingly, it is possible to more suitably suppress the specimen discharged from the discharge portion of the electrophoresis gel chip 50 from being diffused into the anode buffer before being transferred to the transfer film 1. In addition, the fluctuation of the band of the sample transferred to the transfer film 1 can be reduced more suitably, and the sensitivity of the biomolecule analyzer can be improved.
- FIG. 7A is a view for explaining the outline of the shaker according to the present embodiment
- FIG. 7B is a schematic view of the cross section of the shaker along the line A.
- the shaker 70 includes a reagent tank 71, a drive unit 72, and a shaker body 73, and the reagent tank 71 is horizontally moved by the drive unit 72. Shake in the direction.
- a fitting portion 3b that can be fitted into the fitting portion 3a of the transfer film with frame 10 is provided inside the reagent tank 71. As shown in FIG. Thereby, the fitting part 3a in the transfer film 10 with the frame can be fitted into the fitting part 3b, and the transfer film 1 can be fixed inside the reagent tank 71 ((c) and (d) in FIG. 7). .
- the transfer film 10 with the frame attached to the inside of the reagent tank 71 is fixed in a state where the transfer film 1 is flattened. For this reason, it is possible to prevent the transfer film 1 from moving in the reagent tank 71 when performing an antibody reaction on the specimen transferred to the transfer film 1. For this reason, the antibody reaction can be performed more uniformly on a specimen such as a protein transferred to the transfer film 1.
- the shaker 70 shields the light from the inside of the reagent tank 71. It is more preferable to have.
- the light shielding lid 78 is provided with a window 79 that can irradiate light onto the modified region 8 of the frame 2 ′ disposed inside.
- the transfer film 1 fixed in the reagent tank 71 can be kept in a light-shielded state.
- the modified region 8 provided on the frame 2 ′ can be irradiated with light. For this reason, the progress of the antibody reaction can be confirmed by confirming the fluorescence intensity of the modified region 8.
- the shaker body 73 includes a display unit 74 that displays the time of the transfer film, the number of rotations of the driving unit 72, and an adjustment unit that adjusts the shaking time and the rotation speed. 75 and 76 are preferably provided.
- the transfer film with a frame member according to the first aspect of the present invention includes the transfer film to which the specimen separated by electrophoresis is transferred, the first side which is one side of the transfer film, and the first And a pair of frame members that individually support two sides of the second side, which is one side facing the side.
- the transfer film can be easily held via the pair of frame members. Further, since the pair of frame members individually support two opposite sides of the transfer film, the transfer film can be stretched without loosening by holding the frame members apart. Further, since no frame member is provided on the transfer film other than the first side and the second side, the post-transfer process is not hindered unlike the curved frame of Patent Document 1. Thus, according to the above-mentioned type transfer film with a frame member, the transfer film can be easily stretched without loosening without hindering the processing after transfer.
- the pair of frame members may be formed with fitting portions for fitting with external members.
- the transfer film can be more easily held via the frame member by fitting the fitting portion of the frame member with the external member.
- the fitting portion for fitting with the external member may be a through hole, a depression (concave portion), or a protruding portion.
- the fitting portion of the frame member can be easily fitted with an external member.
- the frame member includes a modified region that is modified with a fluorescent standard sample.
- the fluorescence detection process of the specimen transferred to the transfer film can be performed on the basis of the fluorescence intensity emitted from the fluorescence standard sample modified in the region to be modified.
- one frame member sandwiches the first side, and the other frame member sandwiches the second side.
- the two sides of the transfer film are individually supported.
- the frame member can favorably support the transfer film.
- each of the pair of frame members includes a first surface and a second surface that sandwich the transfer film in pairs, and the first surface includes
- a flange portion having a curved outline in a short-side direction is provided, and a groove portion that is fitted to the flange portion is provided on the second surface.
- the frictional force when the transfer film is sandwiched between the first surface and the second surface of the frame member can be increased.
- the biomolecule analyzer it is possible to suitably prevent the transfer film from being detached from the frame of the transfer film with the frame when the transfer film with the frame is being transported.
- the frame member has an entry area in which information can be entered.
- various types of information such as the type of specimen, evaluation conditions, date of transfer, and the like can be recorded for each transfer film with a framed member.
- the pair of frame members are subjected to hydrophilic treatment on the surface.
- the pair of frame members are more preferably made of an insulating material.
- the biomolecule analyzer includes a transfer film with a frame member according to one aspect of the present invention, a holding unit that holds the transfer film with a frame member, and the first holding unit.
- the specimen is separated by electrophoresis, separated from the specimen, and installed in such a manner that the specimen is transported along a transportation direction parallel to the direction from the side toward the second side and the transfer film.
- a separation portion that discharges the toner to the transfer film, and the holding portion includes a pair of fixing portions to which the pair of frame members are respectively fixed.
- the holding portion can easily stretch the transfer film without loosening by fixing the pair of frame members to different fixing portions. Thereby, the specimen discharged from the separation unit can be transferred to the transfer film with high sensitivity.
- the pair of fixing portions each include an urging portion that urges the pair of frame members in a direction facing away from each other.
- the frame member and the fixing portion include a fitting portion for fitting with each other, and the frame member is fixed to the fixing portion by the fitting. .
- the transfer film with the frame member and the holding portion can be more suitably fixed via the frame member.
- a pair of positions sandwiching the position where the separation part of the transfer film abuts from the front and rear in the transport direction is from the side opposite to the separation part of the transfer film.
- the transfer film further includes a support member to be supported, and the transfer film is bent so as to protrude toward the opposite side of the separation portion by contacting the separation portion while being supported by the support member.
- the separation portion can be installed in a state where it is pressed from above with respect to the transfer film in the transfer film with the frame member.
- the transfer film is bent so as to protrude toward the opposite side of the separation portion (in a valley fold shape) by contacting the support member and the separation portion provided at two places.
- tension is applied to the transfer film, and the transfer film can be brought into close contact with the separation portion.
- the transfer from the separation medium to the transfer film can be more suitably performed.
- the transfer film is held via the frame member according to the above configuration, it is possible to easily apply tension to the transfer film.
- the reagent tank according to the fourteenth aspect of the present invention is a reagent tank for immersing the transfer film with the frame member according to the second or third aspect in a reagent for antibody reaction, and the frame member is disposed inside the reagent tank.
- a fitting portion for fitting with the fitting portion is provided.
- the transfer film can be prevented from being overturned or overlapped, so that the antibody reaction can be uniformly performed on the transfer film (the sample transferred to).
- the reagent tank further includes a light shielding lid that shields the inside of the reagent tank, and the light shielding lid is provided with a window disposed on the frame member. Yes.
- the frame member can be confirmed from the window at the time of light shielding by the light shielding lid.
- the progress of the antibody reaction can be confirmed without inhibiting the reaction on the transfer membrane. .
- the shaking device includes the reagent tank according to the fourteenth or fifteenth aspect and a drive unit that shakes the reagent tank.
- the antibody reaction can be uniformly performed on the specimen transferred to the transfer film.
- the present invention can be suitably used for a two-dimensional electrophoresis apparatus.
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Abstract
Description
〔実施形態1〕
本発明の一実施形態(実施形態1)について、図1を用いて詳細に説明する。図1の(a)は、本発明の実施形態1に係るフレーム付き転写膜(フレーム部材付き転写膜)10の概略を説明する図である。図1の(b)は、図1の(a)における線A及び線Bにおける断面図である。
転写膜1は、生体分子分析装置の分離部によって分離された生体分子サンプルを吸着し、保持するための膜である。ここで、転写膜1は、分離部によって分離された生体分子サンプル(検体)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生体分子サンプルの吸着・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、且つサンプル結合能(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ポリフッ化ビニリデン(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またはナイロン膜など、従来からタンパク質、DNAおよび核酸の吸着に利用されている膜も使用可能である。
一対のフレーム2のそれぞれは、フレーム2の長さが固定される転写膜1の一辺の長さより長いものであるとよい。また、フレーム2は、絶縁性の材料からなることが好ましい。絶縁性材料としては、ポリメタクリル酸メチル(アクリル)、ポリスチレン、ポリエチレン、ポリプロピレン、ポリエチレンテレフタレート(PET)、ポリアセタール(POM)、ポリエーテルエーテルケトン(PEEK)等の樹脂、またはガラスを用いることができる。
本発明に係るフレーム付き転写膜は、上記実施形態1に限定されない。図2の(a)及び(b)に示すように、例えば、一実施形態(実施形態2)に係るフレーム付き転写膜11では、転写膜1は凸型の嵌合部5a(突出部)を備えた一対のフレーム4によって支持されている。図2の(a)は、本実施形態に係るフレーム付き転写膜11の斜視図であり、図2の(b)は、図2の(a)に示す本実施形態に係るフレーム付き転写膜11の線Aにおける断面図である。
本発明に係るフレーム付き転写膜は、上記実施形態1に限定されない。図3は、本発明の一実施形態に係るフレーム付き転写膜12の概略を説明する図である。図3に示すように、例えば、一実施形態(実施形態3)に係るフレーム付き転写膜12では、転写膜1は、その一辺と当該一辺に対向する側の一辺とを、それぞれフレーム6によって支持されている。
本発明に係るフレーム付き転写膜は、上記実施形態1に限定されない。図9の(a)及び(b)は、本発明の一実施形態(実施形態4)に係るフレーム付き転写膜12’の概略を説明する図である。
本発明に係るフレーム付き転写膜は、上記実施形態に限定されない。図4は、本発明の一変形例に係る転写膜のフレームの概略を説明する図である。図4に示すように、一変形例に係るフレーム付き転写膜では、例えば、フレーム2”に予め蛍光標準試料によって修飾することができる被修飾領域8が設けられている。ここで、被修飾領域8は、所定量の蛍光標準試料によって修飾するとよい。
本発明に係るフレーム付き転写膜は、上記実施形態に限定されない。例えば、別の変形例に係るフレーム付き転写膜では、一対のフレーム(フレーム部材)に情報の記入が可能な記入領域が設けられている。
図6を用いて、本発明の一実施形態(実施形態5)に係る生体分子分析装置をより詳細に説明する。図6は、本発明の実施形態5に係る生体分子分析装置100の概略を説明する図である。
図6に示すように、本実施形態に係る生体分子分析装置100は、前部クランプ20aと後部クランプ21aとをクランプフレーム22によって固定したクランプ(保持部)20を有している。ここで、前部クランプ20bには、キャリア23が設けられている。
図6において点線にて示されている陽極バッファー槽30は、陽極ステージ31に着脱可能な状態で固定されている。また、陽極バッファー槽30の底部には、陽極32、ガイド(支持部材)33及び34が設けられている。ガイド33及び34は、転写膜1において電気泳動ゲルチップ50が当接する位置を、搬送方向の前後から挟む一対の位置を、転写膜1の電気泳動ゲルチップ50とは反対側から夫々支持する支持部材である。
陰極バッファー槽40は、陽極バッファー槽30に着脱可能な状態で固定されている。また、陰極バッファー槽40には、陰極41及びロック42が設けられている。
電気泳動ゲルチップ(分離部)50は、絶縁板51と絶縁板53との間に分離ゲル52が形成されている。絶縁板51及び絶縁板53は、例えば、ガラス及びアクリルなどの絶縁体にからなる板によって形成されている。分離ゲル52は、導入された生体分子サンプル成分(検体)を分子量にしたがって分離するためのゲルである。分離ゲル52の例としては、ポリアクリルアミドゲルおよびアガロースゲルなどが挙げられ、上述した好適な組成に緩衝液に合せたゲルを用いることが好ましい。分離ゲル52は、電気泳動ゲルチップ50を陰極バッファー槽40に対して取り付ける前に電気泳動ゲルチップ50内に充填されて形成することができる。電気泳動ゲルチップ50は、排出部50aに対向し、陰極バッファー槽40中に配置される端部から生体分子サンプル成分を供給される。
搬送部は、モータ62、ボールネジ63、ガイドシャフト64、シャフトホルダ65、ガイドポール66を備えている。
図5の(a)及び(b)を用いて、フレーム付き転写膜10を生体分子分析装置に装着した状態の概略を説明する。図5の(a)は、フレーム付き転写膜10を生体分子分析装置における搬送部に装着した状態を説明する図である。図5の(b)に示すように、フレーム付き転写膜10は、フレーム2の嵌合部3aを前部クランプ20aに設けられた嵌合部3bに嵌合させることによって、フレーム2の一方を前部クランプ20aに固定する。また、同様にして、他方のフレーム2における嵌合部3aを後部クランプ21aに嵌合させることによって固定する。その後、図6に示すように、フレーム付き転写膜10をクランプ20によって固定し、陽極バッファーを満たした陽極バッファー槽30の内側に配置する。ここで、フレーム付き転写膜10の転写膜1は、ガイド33およびガイド34に支持された状態で固定される。
図10及び図11を用いて、本発明の一実施形態(実施形態6)に係る生体分子分析装置101をより詳細に説明する。図10の(a)及び(b)は、本発明の一実施形態に係るフレーム付き転写膜10’を固定するクランプ(保持部)25の概略を説明する図であり、図11は、本発明の実施形態6に係る生体分子分析装置101の概略を説明する図である。
図10の(a)及び(b)に示すように、本実施形態に係る生体分子分析装置101は、前部クランプ27及び後部クランプ26をクランプフレーム(固定部)22’によって固定したクランプ(保持部)25を有している。ここで、クランプフレーム22’は、クランプフレーム22a、クランプフレーム22b及びバネ(付勢部)22cによって構成されており、クランプフレーム22’は、フレームの内側が中空状のクランプフレーム22aと、当該クランプフレーム22aに挿通されたクランプフレーム22bとが、バネ22cによって、互いに背向する方向に付勢されている。なお、クランプフレーム22aが転写膜の重さや自重などによって位置ずれしないように、クランプフレーム22bにおけるクランプフレーム22aに挿通される部位の長さは、長めにすることがより好ましい。
図10及び11を用いて、フレーム付き転写膜10’を生体分子分析装置101に装着した状態の概略を説明する。図11は、生体分子分析装置101の概略を説明する図であり、クランプ25によってフレーム付き転写膜10’を保持した状態で、生体分子分析装置101にフレーム付き転写膜10’を設置した状態を説明する図である。図10の(a)及び(b)に示すように、フレーム付き転写膜10’は、フレーム2’の嵌合部を前部クランプ27に設けられた固定フレーム28の端部に嵌合させることによって、フレーム2’の一方を前部クランプ27に固定する。また、同様にして、他方のフレーム2’における嵌合部を後部クランプ26に設けられた固定フレーム28の端部に嵌合させることによって固定する。これにより、図10の(b)に示すように、フレーム付き転写膜10’はクランプ25によって固定される。
図7及び図8を用いて本発明の一実施形態に係るシェイカー(振盪装置)70について詳細に説明する。図7の(a)は、本実施形態に係るシェイカーの概略を説明する図であり、図7の(b)は、線Aにおけるシェイカーの断面の概略図である。
2、2’、4、6、6’ フレーム(フレーム部材)
3a 嵌合部
3b 嵌合部
5a、5b 嵌合部
7a、7’a、 嵌合部
8 被修飾領域
9a 嵌合部
10、11、12、12’ フレーム付き転写膜
20、25 クランプ(保持部)
22、22’ クランプフレーム(固定部)
33 ガイド(支持部材)
34 ガイド(支持部材)
50 電気泳動ゲルチップ(分離部)
62 モータ(搬送部)
63 ボールネジ(搬送部)
64 ガイドシャフト(搬送部)
65 シャフトホルダ(搬送部)
66 ガイドポール(搬送部)
70 シェイカー(振盪装置)
72 駆動部
78 遮光蓋
79 窓
100 生体分子分析装置
101 生体分子分析装置
Claims (16)
- 電気泳動によって分離された検体が転写される転写膜と、
上記転写膜の一辺である第一辺、および、上記第一辺に対向する側の一辺である第二辺の2辺を個別に支持する一対のフレーム部材とを備えていることを特徴とするフレーム部材付き転写膜。 - 上記一対のフレーム部材には、夫々、外部の部材と嵌合するための嵌合部が形成されていることを特徴とする請求項1に記載のフレーム部材付き転写膜。
- 上記外部の部材と嵌合するための嵌合部は、貫通孔、凹部、又は突出部であることを特徴とする請求項2に記載のフレーム部材付き転写膜。
- 上記フレーム部材は、蛍光標準試料によって修飾された被修飾領域を備えていることを特徴とする請求項1~3の何れか一項に記載のフレーム部材付き転写膜。
- 上記一対のフレーム部材のうち、一方のフレーム部材は、上記第一辺を挟み込み、他方のフレーム部材は、上記第二辺を挟み込むことによって、上記転写膜の上記2辺を個別に支持していることを特徴とする請求項1~4の何れか一項に記載のフレーム部材付き転写膜。
- 上記一対のフレーム部材の各々は、上記転写膜を対になって挟み込む第一面および第二面をそれぞれ備えており、
第一面には、短手方向における断面が曲線状の輪郭を有する畝部が設けられており、
第二面には、上記畝部と嵌合する溝部が設けられていることを特徴とする請求項5に記載のフレーム部材付き転写膜。 - 上記フレーム部材は、情報の記入が可能な記入領域を備えていることを特徴とする請求項1~6の何れか一項に記載のフレーム部材付き転写膜。
- 上記一対のフレーム部材は、表面に親水性処理が施されていることを特徴とする請求項1~7の何れか一項に記載のフレーム部材付き転写膜。
- 上記一対のフレーム部材は、絶縁性の材料からなることを特徴とする請求項1~8の何れか一項に記載のフレーム部材付き転写膜。
- 請求項1~9の何れか一項に記載のフレーム部材付き転写膜と、
上記フレーム部材付き転写膜を保持している保持部と、
上記保持部を、上記第一辺から上記第二辺に向かう方向に平行な搬送方向に沿って搬送する搬送部と、
上記転写膜に対して垂直に当接するように設置され、電気泳動によって検体を分離し、分離した上記検体を上記転写膜に排出する分離部とを備え、
上記保持部は、上記一対のフレーム部材が夫々固定される一対の固定部を備えていることを特徴とする生体分子分析装置。 - 上記一対の固定部は、上記一対のフレーム部材を互いに背向する方向に付勢する付勢部を夫々に備え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。
- 上記フレーム部材及び上記固定部は、互いに嵌合するための嵌合部を備え、当該嵌合によって、上記フレーム部材が上記固定部に固定されることを特徴とする請求項10又は11に記載の生体分子分析装置。
- 上記転写膜の上記分離部が当接する位置を、上記搬送方向の前後から挟む一対の位置を、上記転写膜の上記分離部とは反対側から支持する支持部材をさらに備え、
上記転写膜は、上記支持部材によって支持された状態で、上記分離部に当接することによって、上記分離部とは反対側に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10~12の何れか1項に記載の生体分子分析装置。 - 請求項2又は3に記載のフレーム部材付き転写膜を、抗体反応のための試薬に浸漬するための試薬槽であって、
上記試薬槽の内側に、上記フレーム部材の嵌合部と嵌合するための嵌合部が設けられていることを特徴とする試薬槽。 - 上記試薬槽は、当該試薬槽内を遮光する遮光蓋を更に備えており、
上記遮光蓋には、上記フレーム部材上に配置される窓が設けられていることを特徴とする請求項14に記載の試薬槽。 - 請求項14又は15に記載の試薬槽と、上記試薬槽を振盪させる駆動部とを備えていることを特徴とする振盪装置。
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US15/303,553 US20170038335A1 (en) | 2014-11-20 | 2015-11-18 | Frame member-equipped transfer film, biomolecule analysis device, reagent tank, and shaking device |
SG11201700407QA SG11201700407QA (en) | 2014-11-20 | 2015-11-18 | Frame member-equipped transfer film, biomolecule analysis device, reagent tank, and shaking device |
KR1020167029132A KR20160135780A (ko) | 2014-11-20 | 2015-11-18 | 프레임 부재가 부착된 전사막, 생체 분자 분석 장치, 시약조 및 진탕 장치 |
CN201580020755.0A CN106233133A (zh) | 2014-11-20 | 2015-11-18 | 带框部件转印膜、生物体分子分析装置、试剂槽以及振荡装置 |
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CN112354572A (zh) * | 2019-07-11 | 2021-02-12 | 北京理工大学 | 一种多维微流控电泳芯片及检测装置,检测方法 |
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JP7130200B2 (ja) * | 2017-10-25 | 2022-09-05 | 日本光電工業株式会社 | 心筋細胞を含むシート状組織の張力測定デバイス、システム及びキット |
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JP6067655B2 (ja) | 2017-01-25 |
KR20160135780A (ko) | 2016-11-28 |
CN106233133A (zh) | 2016-12-14 |
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