WO2020027566A1 - 핵산 추출 장치 및 그 동작 방법 - Google Patents
핵산 추출 장치 및 그 동작 방법 Download PDFInfo
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- WO2020027566A1 WO2020027566A1 PCT/KR2019/009521 KR2019009521W WO2020027566A1 WO 2020027566 A1 WO2020027566 A1 WO 2020027566A1 KR 2019009521 W KR2019009521 W KR 2019009521W WO 2020027566 A1 WO2020027566 A1 WO 2020027566A1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/10—Processes for the isolation, preparation or purification of DNA or RNA
- C12N15/1003—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/025—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations having a carousel or turntable for reaction cells or cuvettes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0631—Purification arrangements, e.g. solid phase extraction [SPE]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0627—Sensor or part of a sensor is integrated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N2035/00178—Special arrangements of analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0439—Rotary sample carriers, i.e. carousels
- G01N2035/0441—Rotary sample carriers, i.e. carousels for samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0439—Rotary sample carriers, i.e. carousels
- G01N2035/0444—Rotary sample carriers, i.e. carousels for cuvettes or reaction vessels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N2035/1025—Fluid level sensing
Definitions
- the present invention relates to a nucleic acid extracting apparatus and a method of operating the same, and more particularly, to a nucleic acid extracting apparatus for extracting a nucleic acid by driving in a rotational manner and a method of operating the same.
- PCR Polymerase chain reaction
- Conventional methods for extracting nucleic acids include separating magnetically adsorbed nucleic acids using magnetic beads, eluting the solution using a column, and then applying the air to the column to push the solution out, and the column itself. Centrifugation to elute the solution.
- the automated nucleic acid extraction equipment using the above-mentioned conventional method has a relatively large size for processing a large number of samples, or the sample processing time is too long.
- the process of processing a large number of samples can be contaminated by each sample, thereby reducing the processing efficiency, the user inconvenience occurs.
- a nucleic acid extraction operation was performed on a plurality of samples during one cycle (one cycle), and since a nucleic acid extraction is performed on a plurality of samples, a large amount of washing solution is performed during one cycle. And eluate. When a sufficient amount of washing solution, eluate, and the like were not provided, the nucleic acid extraction operation was stopped during the cycle, and as a result, the nucleic acid extraction operation was not performed for some samples, resulting in a problem that many samples were wasted.
- An object of the present invention is to provide a nucleic acid extracting apparatus and a method of operating the same, which can be easily and safely extracted from a sample solution by being driven in a rotational manner.
- a nucleic acid extraction apparatus comprising a container in which the cleaning liquid and the eluent are stored respectively; A level sensor for sensing the capacity of the cleaning liquid and the eluate stored in the container; A tube detection sensor for detecting a sample tube disposed in the sample tube receiving portion; And determining whether the cleaning solution and the eluate required for the nucleic acid extraction operation are provided based on the number of sample tubes sensed by the tube detection sensor, the cleaning solution sensed by the water level sensor, and the volumes of the eluate. It may include wealth.
- the first rack spaced apart from the plurality of sample tube receiving portion along the circumference;
- a second rack disposed at a lower end of the first rack and having a plurality of eluting tube receiving parts spaced along a circumference, and having a cleaning liquid receiving part formed between the plurality of eluting tube receiving parts along the circumference;
- a rotation drive unit for rotating each of the first rack and the second rack, wherein the rotation drive unit moves the sample tube of the first rack onto the cleaning liquid container or the elution tube of the second rack. After positioning, the cleaning operation or the dissolution operation may be performed while rotating the first rack and the second rack.
- the tube detection sensor may detect whether the sample tube is disposed in each of the sample tube accommodating parts sequentially while rotating the first rack.
- the nucleic acid extraction operation is performed at least one cycle, and the operation initiation unit may determine whether the cleaning solution and the eluate required for the nucleic acid extraction operation are provided for each cycle.
- the pressurized nozzle for delivering pressurized air to the sample tube;
- An elastic support connected to the pressure nozzle through an elastic member;
- a pressing part including a vertical driving part which vertically moves the elastic support part.
- the tube detection sensor is implemented as an optical sensor disposed adjacent to the pressing unit, and when the vertical driving unit moves the elastic support unit downward, the pressing nozzle is disposed on the optical path of the optical sensor. You can detect if it exists.
- a rack cap disposed on the second rack, a plurality of through portions are formed, wherein the plurality of through portions are spaced apart from each other along a circumference, each of the elution tube receiving portion and the The cleaning liquid container may be covered.
- the elution tube may be further included in the elution tube receiving portion of the second rack, the elution tube having a handle portion protruding outward.
- a method of operating a nucleic acid extracting apparatus comprises the steps of sensing the volumes of cleaning liquid and eluate stored in a container; Sensing a sample tube disposed in the sample tube receptacle; Determining whether the cleaning solution and the eluate required for the nucleic acid extraction operation are provided based on the number of the sample tubes and the capacity of the cleaning solution and the eluent; And initiating the nucleic acid extraction operation when the washing solution and the eluate are provided.
- initiating the nucleic acid extraction operation comprises: aligning the first rack and the second rack such that the sample tube housed in the first rack is located on the wash liquor receiving portion of the second rack; A sample solution containing a nucleic acid and impurities is contained in the sample tube, and the nucleic acid is absorbed by a filter member in the sample tube; Performing a cleaning operation while synchronously rotating the first rack and the second rack; Rotationally aligning the first rack and the second rack such that the sample tube received in the first rack is located on an elution tube of the second rack; And performing a dissolution operation while synchronously rotating the first rack and the second rack.
- the detecting of the sample tube may detect whether the sample tube is disposed in each of the sample tube receivers sequentially while rotating the first rack.
- the nucleic acid extraction operation may be performed every at least one cycle, and sensing the volumes of the washing liquid and the eluate, and initiating the nucleic acid extraction operation may be performed every cycle.
- the present invention it is possible to determine whether the nucleic acid extraction operation is possible during the rotation of the rack based on the number of sample tubes, the capacity of the washing liquid, and the eluent, thereby preventing unnecessary waste of resources such as samples.
- the nucleic acid extract is accommodated in the elution tube, thereby eliminating the inconvenience of having to perform a separate pipetting for nucleic acid storage.
- FIG. 1A and 1B show a nucleic acid extraction apparatus according to an embodiment of the present invention.
- FIGS. 2A and 2B illustrate a pressing unit and a tube detecting sensor according to an embodiment of the present invention.
- FIG 3 shows a first rack of a nucleic acid extracting apparatus according to an embodiment of the present invention.
- Figure 4 shows a second rack of the nucleic acid extraction apparatus according to an embodiment of the present invention.
- FIG. 5 shows a sample tube according to one embodiment of the invention.
- Figure 6 shows an example of the operation of the nucleic acid extracting apparatus according to an embodiment of the present invention.
- Figure 7 shows an example of the operation of the nucleic acid extracting apparatus according to an embodiment of the present invention.
- FIG. 8 illustrates a method of operating a nucleic acid extracting apparatus according to an embodiment of the present invention.
- FIG 9 illustrates a method of operating a nucleic acid extracting apparatus according to an embodiment of the present invention.
- FIG. 1A and 1B illustrate a nucleic acid extracting apparatus according to an embodiment of the present invention
- FIGS. 2A and 2B illustrate a pressing unit and a tube detecting sensor according to an embodiment of the present invention
- FIG. 3 illustrates the present invention
- FIG. 4 illustrates a first rack of a nucleic acid extracting apparatus according to an embodiment of FIG. 4, and
- FIG. 4 illustrates a second rack of a nucleic acid extracting apparatus according to an embodiment of the present invention.
- 5 shows a sample tube according to one embodiment of the invention.
- the nucleic acid extracting apparatus 100 includes a first rack 110, a second rack 120, a main body 130, a rotation driving unit 140, a container 150, a divider 160, and a pressing unit. 170, a tube detection sensor 180, and an operation initiation unit 190 may be provided.
- the first rack 110 is for accommodating and fixing the sample tube 200.
- a plurality of sample tube accommodating parts 112 for accommodating the sample tube 200 may be formed.
- the plurality of sample tube accommodating parts 112 may be spaced apart from each other, and may be formed in a circular shape along the outer edge of the first rack 110, and each sample tube accommodating part 112 may be formed to accommodate the sample tube 200.
- an opening may be formed in the lower portion so that the extract liquid from the sample tube 200 may be transferred downward.
- the spacing between the sample tube receivers 112 not only eliminates contamination or interference between the sample tubes 200, but also as described in more detail below, the sample tube receivers 112 are formed in a circular shape, Only rotation by the rotation driver 140 may perform an operation such as alignment for extracting nucleic acids.
- the sample tube 200 is for accommodating a sample solution including nucleic acid and impurities, and both ends of the sample tube 200 may be opened, and in particular, the lower end may have a narrower opening than the upper end. Through this, the extract of the sample tube 200 can be stably transferred to the elution tube 300 or the cleaning solution receiving portion 124 of the second rack 120.
- the sample tube 200 may include a filter support 210.
- the filter supporter 210 protrudes inwardly in one region of the sample tube 200, in particular, a transition region of which the cross-sectional area is narrow, and the filter member 220 may be disposed on the protruding filter supporter 210.
- the filter member 220 is for adsorbing nucleic acid, and may include, for example, a porous membrane.
- the filter fixing part 212 may be additionally disposed on the filter member 220.
- the filter fixing part 212 may fix the position and arrangement of the filter member 220 on the filter member 220. As such, the filter supporter 210 and the filter fixing unit 212 simultaneously support and fix the filter member 220 at the top and the bottom of the filter member 220, thereby preventing a decrease in filter performance due to the flow of the filter. have.
- the second rack 120 is for accommodating and fixing the elution tube 300 and at the same time to accommodate the cleaning liquid, for this purpose may include an elution tube receiving portion 122 and the cleaning liquid containing portion 124.
- the eluting tube receiving part 122 is for accommodating and fixing the eluting tube 300, and the plurality of eluting tube receiving parts 122 may be spaced apart from each other, and may be formed in a circular shape along the outer side of the second rack 120. have.
- the elution tube receiving portion 122 may perform an operation such as alignment for extracting nucleic acids only by the rotation by the rotation driving unit 140.
- the elution tube 300 accommodated and fixed in the elution tube receiver 122 is for accommodating the nucleic acid extracted from the first rack 110, thereby separately extracting the nucleic acid extracted from each sample tube 200. By accepting and storing, it is possible to eliminate the inconvenience of transferring the extracted nucleic acid through a separate pipetting or the like.
- the eluting tube 300 has a handle portion 310 protruding to the outside, thereby facilitating the receiving and discharging to the eluting tube receiving portion 122.
- the eluting tube accommodation part 122 may have a predetermined groove formed at a position corresponding to the handle part 310 in order to stably mount the handle part 310.
- the cleaning liquid accommodating part 124 is for accommodating the cleaning liquid, and is formed in the center of the second rack 120, and at least a portion of the cleaning liquid accommodating part 124 protrudes outward to extend the plurality of elution tube accommodating parts 122. It can be formed to alternate with). As described above, the extension part alternates with the plurality of eluting tube accommodating parts 122, and thus, an operation such as alignment for accommodating the cleaning liquid may be performed only by simple rotation by the rotation driving part 140.
- the cleaning solution collector 126 is located at the bottom of the second rack 120, and the cleaning solution collector 126 collects the cleaning solution contained in the cleaning solution receiver 124 of the second rack 120. 2 may be connected in fluid communication with one end of the cleaning liquid receiving portion 124 of the 120. In more detail, an opening may be formed in one region of the cleaning solution accommodating part 124 of the second rack 120.
- the cleaning solution collecting unit 126 may be located at the lower end of the second rack 120, and may collect the cleaning solution flowing out through the opening of the cleaning solution accommodating unit 124.
- the cleaning solution collection unit 126 and the second rack 120 are implemented to be detachably coupled to each other, management of the nucleic acid extraction apparatus 100 including collection and discharge of the cleaning solution and the like through attachment and detachment of the cleaning solution collection unit 126. Can be facilitated.
- the rack cap 128 is to cover the upper end of the second rack 120, and a plurality of through parts 129 spaced apart from each other may be formed along the circumference. Each through portion 129 may simultaneously cover the elution tube receiving portion 122 and the cleaning liquid receiving portion 124.
- the rack cap 128 extends the height (or depth) of the elution tube accommodating portion 122 and the cleaning liquid accommodating portion 124 of the second rack 120 by having each of the through portions 129 have a predetermined height. It can have an effect. Through this, for example, it is possible to prevent the by-products of the fluid flowing into the cleaning liquid container 124 to flow into another adjacent elution tube (300).
- the main body 130 is a frame of the nucleic acid extracting apparatus 100, and the main body 130 includes a first rack 110, a second rack 120, a rotation driving unit 140, a divider 160, and a pressing unit 170. ) May be disposed.
- the first rack 110 may be located above the second rack 120. Through this, an extract (nucleic acid, etc.) extracted from the sample tube 200 of the first rack 110 may be directly collected into the second rack 120.
- Each of the first rack 110 and the second rack 120 may be horizontally movable with respect to the body 130.
- the horizontally movable relative to the main body 130 may include not only the horizontal horizontal movement directly to the main body 130, but also the indirect horizontal movement.
- the sample tube 200, the elution tube 300, the first rack 110, the second rack 120, etc. may be easily accommodated and removed.
- At least one of the first rack 110 and the second rack 120 may be detachably coupled to the main body 130. That is, as described above, by implementing at least one of the first rack 110 and the second rack 120 to be removed to the body 130, the use and management of the rack, such as mounting or removing various tubes, discharge of the cleaning liquid Can be facilitated.
- the rotation driver 140 may be connected to the first rack 110 and the second rack 120, respectively, to rotate the first rack 110 and the second rack 120 simultaneously or separately. Rotation by the rotation drive unit 140, the single rotation of one of the first rack 110 and second rack 120, the alignment rotation of the first rack 110 and the second rack 120, synchronous rotation and the like It may include. Rotation alone is, for example, rotating the first rack 110 or the second rack 120 individually, as will be described later, upon detection of the sample tube 200 housed in the sample tube receptacle 112. Can be performed. Alignment rotation rotates the first rack 110 and the second rack 120 such that the sample tube 200 received in the first rack 110 is positioned on the cleaning liquid receiving portion 124 of the second rack 120.
- Synchronous rotation means synchronizing the rotation of the first rack 110 and the second rack 120 aligned by the alignment rotation. According to the synchronous rotation, since the first rack 110 and the second rack 120 is rotated at the same time, the relative between the sample tube 200 and the cleaning liquid container 124 or the sample tube 200 and the elution tube 300 The position remains the same. Simultaneously with the synchronous rotation, the cleaning liquid or the eluent may be injected into the sample tube 200 of the first rack 110.
- the plurality of containers 150 may include at least one cleaning liquid container in which the cleaning liquid is stored and at least one eluent container in which the eluent is stored.
- Each container 150 is connected to a dispenser 160, and the dispenser 160 may dispense a solution stored in each container 150 into the sample tube 200.
- a level sensor (not shown) for detecting the level of the fluid stored in the container 150 may be disposed inside each container 150.
- the volumes of the washing solution and the eluate detected by each level sensor may be delivered to the operation initiation unit 190 and used to determine whether to start the nucleic acid extraction operation.
- the dispenser 160 may inject a predetermined fluid into the sample tube 200 through the dispense nozzle. Such fluids are required for nucleic acid extraction, and may include washing liquids, eluents, and the like. In one embodiment, the dispenser 160 may include separate dispense nozzles for each fluid to prevent contamination between different fluids. In one embodiment, the divider 160 may include a plurality of dispense nozzles that may operate simultaneously on the plurality of sample tubes 200 to improve the nucleic acid extraction rate.
- the divider 160 may move vertically for alignment with the sample tube 200. Specifically, by rotating by the rotation drive unit 140 to narrow the distance to the sample tube 200 located below the divider 160, it can be moved up and down in close contact with the sample tube 200.
- the divider 160 may move horizontally. Specifically, to move to the sample tube 200 for dispensing, or to move horizontally away from the sample tube 200, in the latter case to move to another sample tube 200, or for pressurizing the pressing unit 170 And may deviate from the sample tube 200.
- each divider 160 may be synchronized to move horizontally and / or vertically, or to separately move horizontally and / or vertically.
- the pressing unit 170 may pressurize the inside of the sample tube 200, and the pressing unit 170 may include a pressing nozzle 172, an elastic support 174, and a vertical driving unit 176.
- the pressurized nozzle 172 may inject pressurized air into the sample tube 200 while contacting the sample tube 200. Pressurized air is injected into the sample tube 200 by the pressurized nozzle 172, so that the inside of the sample tube 200 is pressurized, so that at least a part of the fluid in the sample tube 200 passes through the filter member in the sample tube 200. Pass through the second rack 120 may be extracted.
- the elastic support part 174 connects the lower pressure nozzle 172 and the upper vertical drive part 176 to transmit the driving force of the vertical drive part 176 to the pressure nozzle 172.
- the elastic support 174 is implemented by an elastic member such as a spring, thereby generating an elastic force toward the pressure nozzle 172, it is possible to make the pressure nozzle 172 more in close contact with the sample tube 200. Through such tight adhesion, when pressurized air is injected into the sample tube 200, it is possible to prevent the sample solution, the cleaning solution, the eluate, and the like from flowing out of the sample tube 200 by pressurization.
- the vertical driver 176 may be connected to the elastic support 174 to vertically move the elastic support 174.
- the pressure nozzle 172 may be moved in the vertical direction through the movement of the elastic support 174.
- the pressurizing unit 170 may include a plurality of pressurizing nozzles 172 that may operate simultaneously on the plurality of sample tubes 200 to improve the nucleic acid extraction rate.
- the pressing unit 170 may horizontally move. Specifically, to move to the sample tube 200 for pressurization, or to move horizontally away from the sample tube furnace 200, in the latter case to move to another sample tube 200, or dispensing the dispenser 160 And may deviate from the sample tube 200 for this purpose.
- each pressing unit 170 may be synchronized with each other to perform horizontal and / or vertical movement, or individually to perform horizontal and / or vertical movement.
- the tube sensor 180 may detect the number of sample tubes 200 disposed in the first rack 110 by sensing the sample tubes 200 disposed in the sample tube accommodating part 112.
- the tube detection sensor 180 may be implemented as, for example, an optical sensor, and disposed adjacent to the elastic support 174, the pressurizing nozzle 172, and the like, and move in cooperation with the vertical driver 176.
- the tube sensor 180 may detect whether the pressure nozzle 172 is present on the optical path.
- the vertical driver 176 moves the elastic support 174 downward, the sample tube 200 is disposed at the bottom thereof. If not present, the pressure nozzle 172 does not exist on the optical path (see FIG. 2A), and if the sample tube 200 is present at the bottom, the downward movement of the pressure nozzle 172 by the sample tube 200. Because of this, the pressure nozzle 172 is present on the optical path (see FIG. 2B).
- the tube detection sensor 180 may detect whether the sample tube 200 exists in the lower side in connection with the vertical movement of the vertical driver 176 and the movement of the pressure nozzle 172.
- the rotation driving unit 140 may perform the sensing operation as described above while rotating the first rack 110.
- the operation initiation unit 190 may determine whether to start the nucleic acid extraction operation. When the start is determined by the operation initiation unit 190, a full-scale nucleic acid extraction operation may be performed.
- the operation initiation unit 190 may include a cleaning liquid required for the nucleic acid extraction operation based on the number of sample tubes 200 detected by the tube detection sensor 180 and the capacities of the cleaning liquid and the eluate detected by the water level sensor. It can be determined whether the eluate is provided. Nucleic acid extraction can be initiated if a sufficient amount of rinse and eluate have been provided.
- the nucleic acid extraction operation may be performed every at least one cycle.
- the operation initiation unit 190 may determine whether the cleaning liquid and the eluate required for the nucleic acid extraction operation are provided for each cycle, and thus, the rotation of the first rack 110 by the rotation driving unit 140, respectively, is accompanied by rotation.
- the vertical movement of the pressing unit 170 relative to the sample tube 200 and the detection of the tube detection sensor 180 may be performed for each cycle.
- Figure 6 shows an example of the operation of the nucleic acid extracting apparatus according to an embodiment of the present invention.
- the rotation drive unit 140 moves the first rack 110 and the second rack 120 so that the sample tube 200 of the first rack 110 is positioned on the cleaning liquid container 124 of the second rack 120. You can arrange the rotation. Subsequently, the rotation driving unit 140 rotates the first rack 110 and the second rack 120 synchronously, such that the cleaning solution accommodating part of the sample tube 200 and the second rack 120 of the first rack 110. The relative position between the 124 can be kept the same. Simultaneously with this synchronous rotation, the dispenser 160 may inject a cleaning solution into the sample tube 200 and the pressurizing unit 170 may pressurize the inside of the sample tube 200. Through this, cleaning operations may be sequentially performed on each sample tube 200 disposed in the first rack 110.
- the injection and pressurization of the cleaning liquid for the plurality of samples can be continuously performed through synchronous rotation.
- Figure 7 shows an example of the operation of the nucleic acid extracting apparatus according to an embodiment of the present invention.
- the rotary drive 140 rotates the first rack 110 and the second rack 120 so that the sample tube 200 of the first rack 110 is located on the elution tube 300 of the second rack 120. You can sort. Subsequently, the rotation driving unit 140 rotates the first rack 110 and the second rack 120 synchronously, so that the elution tube (the sample tube 200 of the first rack 110 and the second rack 120 ( The relative position between the 300) can be kept the same. Simultaneously with the synchronous rotation, the dispenser 160 may inject the eluent into the sample tube 200 and the pressurizing unit 170 may pressurize the inside of the sample tube 200. Through this, the dissolution operation may be sequentially performed on each sample tube 200 disposed in the first rack 110.
- the injection and pressurization of the eluate for the plurality of samples can be continuously performed through synchronous rotation.
- FIG. 8 illustrates a method of operating a nucleic acid extracting apparatus according to an embodiment of the present invention.
- the method 700 is a pre-operation prior to the start of the nucleic acid extraction operation, to determine whether sufficient resources (cleaning solution, eluate, etc.) are provided to perform the nucleic acid extraction operation.
- Step S710 the capacity of the washing liquid and the eluate stored in the container 150 can be detected.
- Step S710 may be performed by the water level sensor disposed in each container 150, but is not limited thereto, and may be any value input by a user.
- Step S720 the sample tube 200 disposed on the sample tube accommodating part 112 may be sensed.
- Step S720 is to determine the number of sample tubes 200 disposed in the first rack 110, the tube detection sensor 180 implemented as an optical sensor is disposed adjacent to the elastic support 174, the vertical drive unit 176 ) May be performed by detecting whether the pressing nozzle 172 is present on the optical path of the optical sensor when the elastic support 174 moves downward.
- step S720 may be performed on each sample tube 200 while the rotation driving unit 140 rotates the first rack 110.
- step S730 it may be determined whether the cleaning solution and the eluate required for the nucleic acid extraction operation is provided. Operation S730 may be performed by the operation initiation unit 190, and may be performed based on the volume of the cleaning solution / eluate detected in operation S710 and the number of sample tubes 200 detected in operation S720.
- the nucleic acid extraction operation can be started in step S740.
- the nucleic acid extraction operation is performed every at least one cycle, and thus, as a whole process of the nucleic acid extraction operation, the method 700 may also be performed every one cycle.
- FIG 9 illustrates a method of operating a nucleic acid extracting apparatus according to an embodiment of the present invention.
- step S810 the first rack 110 and the second rack 120 may be rotationally aligned.
- Step S810 is to align the positions of the first rack 110 and the second rack 120 to perform the cleaning operation on the sample solution, specifically, the sample tube 200 accommodated in the first rack 110 is
- the rotation driving unit 140 may be performed by rotating at least one of the first rack 110 and the second rack 120 so as to be positioned on the cleaning liquid receiver 124 of the second rack 120 (see FIG. 6). ).
- step S820 the synchronous rotation of the first rack 110 and the second rack 120 may be performed.
- step S820 while the rotation drive unit 140 rotates the first rack 110 and the second rack 120 synchronously, the dispenser 160 injects the cleaning solution into the sample tube 200, and the pressurizing unit 170 This may be done by pressurizing the sample tube 200.
- the nucleic acid absorbed into the filter member through step S820 is not released to the cleaning liquid, and impurities may be released from the filter member to the cleaning liquid, whereby impurities may be removed into the sample.
- Step S830 is to align the position of the first rack 110 and the second rack 120 to perform the dissolution operation, specifically, the sample tube 200 accommodated in the first rack 110 is a second rack ( The rotation driver 140 may be performed by rotating at least one of the first rack 110 and the second rack 120 to be positioned on the elution tube 300 of the 120 (see FIG. 7).
- Step S840 the dissolution operation may be performed.
- Step S840 is performed by injecting eluents into the plurality of sample tubes 200 while synchronously rotating the first rack 110 and the second rack 120, and the pressing unit 170 pressurizes the inside of the sample tube 200. Can be.
- the eluate may release the nucleic acid absorbed by the filter member into the elution tube 300, through which the extracted nucleic acid may be accommodated in the elution tube 300.
- steps S820 and S840 may be performed a plurality of times, and different washing or different eluents may be used in each step.
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Abstract
Description
Claims (12)
- 핵산 추출 장치로서,세정액 및 용출액이 각각 저장되는 컨테이너;상기 컨테이너에 저장된 상기 세정액 및 상기 용출액의 용량을 감지하는 수위 센서;샘플 튜브 수용부에 배치된 샘플 튜브를 감지하는 튜브 감지 센서; 및상기 튜브 감지 센서에 의해 감지된 샘플 튜브의 개수와 상기 수위 센서에 의해 감지된 상기 세정액 및 상기 용출액의 상기 용량에 기초하여 핵산 추출 동작에 필요한 상기 세정액 및 상기 용출액이 구비되어 있는지 판단하는 동작 개시부를 포함하는, 핵산 추출 장치.
- 제 1 항에 있어서,둘레를 따라 복수의 상기 샘플 튜브 수용부가 이격 형성되는 제 1 랙(rack);상기 제 1 랙의 하단에 배치되고, 복수의 용출 튜브 수용부가 둘레를 따라 이격 형성되고, 상기 둘레를 따라 상기 복수의 용출 튜브 수용부 사이에 세정액 수용부가 형성되는 제 2 랙; 및상기 제 1 랙 및 상기 제 2 랙 각각을 회전시키기 위한 회전 구동부를 더 포함하고, 상기 회전 구동부가 상기 제 1 랙의 상기 샘플 튜브를 상기 제 2 랙의 상기 세정액 수용부 또는 상기 용출 튜브 상에 위치시킨 후, 상기 제 1 랙 및 상기 제 2 랙을 회전시키면서 상기 세정 동작 또는 상기 용출 동작을 수행하는, 핵산 추출 장치.
- 제 2 항에 있어서,상기 튜브 감지 센서는 상기 제 1 랙을 회전시키면서 순차적으로 상기 샘플 튜브 수용부 각각에 상기 샘플 튜브가 배치되는지를 감지하는, 핵산 추출 장치.
- 제 1 항에 있어서,상기 핵산 추출 동작은 적어도 하나의 사이클마다 수행되고,상기 동작 개시부는 각 사이클마다 상기 핵산 추출 동작에 필요한 상기 세정액 및 상기 용출액이 구비되어 있는지 판단하는, 핵산 추출 장치.
- 제 1 항에 있어서,상기 샘플 튜브에 가압 공기를 전달하는 가압 노즐; 상기 가압 노즐과 탄성 부재를 통해 연결되는 탄성 지지부; 및 상기 탄성 지지부를 수직 이동시키는 수직 구동부를 포함하는 가압부를 더 포함하는, 핵산 추출 장치.
- 제 5 항에 있어서,상기 튜브 감지 센서는 상기 가압부에 인접 배치되는 광 센서로 구현되고, 상기 수직 구동부가 상기 탄성 지지부를 하측으로 이동시킬 때, 상기 광 센서의 광경로 상에 상기 가압 노즐이 존재하는지를 감지하는, 핵산 추출 장치.
- 제 2 항에 있어서,상기 제 2 랙 상에 배치되고, 복수의 관통부가 형성되는 랙 캡을 더 포함하고,상기 복수의 관통부는 둘레를 따라 서로 이격 배치되고, 각각은 상기 용출 튜브 수용부 및 상기 세정액 수용부를 커버하는, 핵산 추출 장치.
- 제 2 항에 있어서,상기 제 2 랙의 상기 용출 튜브 수용부에 수용되고, 외측으로 돌출되는 손잡이부를 구비한 복수의 용출 튜브(elution tube)를 더 포함하는, 핵산 추출 장치.
- 핵산 추출 장치의 동작 방법으로서,컨테이너에 저장된 세정액 및 용출액의 용량을 감지하는 단계;샘플 튜브 수용부에 배치된 샘플 튜브를 감지하는 단계;상기 샘플 튜브의 개수와 상기 세정액 및 상기 용출액의 상기 용량에 기초하여 핵산 추출 동작에 필요한 상기 세정액 및 상기 용출액이 구비되어 있는지 판단하는 단계; 및상기 세정액 및 상기 용출액이 구비되면 상기 핵산 추출 동작을 개시하는 단계를 포함하는, 핵산 추출 장치의 동작 방법.
- 제 9 항에 있어서, 상기 핵산 추출 동작을 개시하는 단계는,제 1 랙에 수용된 상기 샘플 튜브가 제 2 랙의 세정액 수용부 상에 위치하도록 상기 제 1 랙과 상기 제 2 랙을 회전 정렬하는 단계 ― 상기 샘플 튜브에는 핵산과 불순물을 포함하는 샘플 용액이 수용되며, 샘플 튜브 내의 필터 부재에 상기핵산이 흡수됨 ― ; 상기 제 1 랙 및 상기 제 2 랙을 동기 회전시키면서, 세정 동작을 수행하는 단계; 상기 제 1 랙에 수용된 상기 샘플 튜브가 상기 제 2 랙의 용출 튜브 상에 위치하도록 상기 제 1 랙과 상기 제 2 랙을 회전 정렬하는 단계; 및 상기 제 1 랙 및 상기 제 2 랙을 동기 회전시키면서, 용출 동작을 수행하는 단계를 포함하는, 핵산 추출 장치의 동작 방법.
- 제 9 항에 있어서,상기 샘플 튜브를 감지하는 단계는 상기 제 1 랙을 회전시키면서 순차적으로 상기 샘플 튜브 수용부 각각에 상기 샘플 튜브가 배치되는지를 감지하는, 핵산 추출 장치의 동작 방법.
- 제 9 항에 있어서,상기 핵산 추출 동작은 적어도 하나의 사이클마다 수행되고,상기 세정액 및 용출액의 용량을 감지하는 단계 내지 상기 핵산 추출 동작을 개시하는 단계는 각 사이클마다 수행되는, 핵산 추출 장치의 동작 방법.
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BR112021001772-0A BR112021001772A2 (pt) | 2018-08-01 | 2019-07-31 | dispositivo de extração de ácido nucleico e método de operação para o mesmo |
EP19845321.9A EP3832314A4 (en) | 2018-08-01 | 2019-07-31 | Nucleic acid extraction device and operating method therefor |
US17/264,711 US11643645B2 (en) | 2018-08-01 | 2019-07-31 | Nucleic acid extraction device and operating method therefor |
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CN113308363A (zh) * | 2021-06-02 | 2021-08-27 | 嘉兴科瑞迪医疗器械有限公司 | 一种基于核酸提取仪用分液与吸液同步进行的采样结构 |
CN114015557A (zh) * | 2021-11-29 | 2022-02-08 | 南通市第一老年病医院(上海大学附属南通医院、南通市第六人民医院、南通市肺科医院) | 一种新冠核酸样本半自动提取装置 |
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WO2023121352A1 (ko) * | 2021-12-22 | 2023-06-29 | 주식회사 씨젠 | 씰링 검사 장치 및 컨테이너 검사 방법 |
CN115245849B (zh) * | 2021-12-22 | 2023-12-01 | 辽东学院 | 一种食品科学与工程的试剂定量抽取设备 |
CN114717098B (zh) * | 2022-03-07 | 2022-11-25 | 烟台星齐医学检验有限公司 | 一种用于快速提取dna的血液样品制备贮存装置 |
CN116254179B (zh) * | 2023-04-24 | 2023-08-18 | 芜湖耄智生物科技有限公司 | 一种磁珠法核酸提取仪 |
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KR102162253B1 (ko) | 2020-10-06 |
BR112021001772A2 (pt) | 2021-05-04 |
KR20200014641A (ko) | 2020-02-11 |
EP3832314A1 (en) | 2021-06-09 |
US11643645B2 (en) | 2023-05-09 |
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