WO2020209638A1 - 중합효소 연쇄반응 시스템 - Google Patents
중합효소 연쇄반응 시스템 Download PDFInfo
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- WO2020209638A1 WO2020209638A1 PCT/KR2020/004840 KR2020004840W WO2020209638A1 WO 2020209638 A1 WO2020209638 A1 WO 2020209638A1 KR 2020004840 W KR2020004840 W KR 2020004840W WO 2020209638 A1 WO2020209638 A1 WO 2020209638A1
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- B01L3/502738—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by integrated valves
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
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- C12Q1/6806—Preparing nucleic acids for analysis, e.g. for polymerase chain reaction [PCR] assay
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6844—Nucleic acid amplification reactions
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N2021/6432—Quenching
Definitions
- the present invention relates to a system structure capable of real-time detection of extraction and amplification reactions and amplified products of nucleic acids in a device implementing a polymerase chain reaction.
- Point of care (POC) diagnosis technology that accurately and quickly diagnoses a patient's disease regardless of time and place is drawing attention as a very important technology for evidence-based precision medicine.
- disease symptoms such as cough, diarrhea, high fever, and genital abnormalities
- all infectious pathogens that cause disease symptoms are examined at a time in a short time to identify the causative agent and prescribe the optimal antibiotic and treatment.
- Such on-site diagnosis technology has the advantage of making quick and accurate diagnosis even by non-professionals in the field, such as a pregnancy test kit for confirming pregnancy and a blood glucose meter that can check blood sugar.
- the current molecular diagnosis system takes more than 3 hours to confirm the results and must be used by experienced experts, so for the POC molecular diagnosis required in the field, the complex nucleic acid extraction process and real-time gene amplification test can be fully automated. It is essential to develop a compact device that has been developed, and it must be able to operate easily even if not a professional manpower.
- PCR polymerase chain reaction
- PCR/RT-PCR realtime PCR
- the results can be seen at the end of PCR, simplifying the test process, significantly reducing the test time, and accurately quantifying the number of pathogens. It is used as a standard diagnostic method to monitor the therapeutic effects of HIV, HCV, and HBV viruses. In addition, it is used as the most important technology for diagnosing diseases as it can test gene expression patterns or genetic mutations related to specific diseases.
- nucleic acid extraction step of extracting pure nucleic acid and removing substances that inhibit the PCR reaction from a biological sample.
- the nucleic acid extraction process consists of multiple steps, and requires skilled technology to manipulate biological samples and nucleic acid extraction, and if it is done manually, there is a contamination problem due to the operator's error, so most of the molecular diagnosis is performed using automated nucleic acid extraction equipment. have.
- the DNA double helix is heated to 95 degrees to separate it into a single strand, and then the reaction solution is cooled to an annealing temperature to selectively select primers complementary to both ends of the amplified site in the PCR
- the DNA polymerase repeats a reaction to form a double helix by sequentially connecting four kinds of nucleotide triphosphates complementary to each single strand of A, G, T, and C.
- heating and cooling the PCR reaction solution are repeatedly performed 30 to 45 cycles (n) to amplify a specific DNA double helix exponentially by 2 n .
- the RT-PCR reaction was extended as a method for detecting RNA by synthesizing cDNA through reverse transcription and then amplifying it through PCR.
- PCR For quantitative analysis of DNA amplified using PCR reaction, a substance that generates fluorescence in proportion to the amount of DNA is PCR This is a method of quantitatively measuring the initial concentration of target nucleic acid by finding the cycle in which the critical fluorescence value is detected by measuring fluorescence in each cycle after adding to the reaction solution.
- the temperature of the reaction solution In order to perform the PCR reaction in a short time, the temperature of the reaction solution must be changed rapidly. In addition, in order to amplify only the desired target through an accurate PCR reaction, the primers must be designed to specifically attach to the desired target, and the annealing temperature must be accurately controlled in the PCR temperature cycle reaction.
- PCR equipment that circulates the reactor in the different temperature zones has the advantage of being able to quickly and accurately perform a PCR reaction by immersing the reactor in a constant temperature water bath where the temperature is accurately maintained in advance as a space-moving method.
- the equipment is large and maintenance is laborious, and the PCR equipment adopting the time difference temperature circulation method that changes the temperature over time using a Peltier element in a fixed block is the main type.
- the PCR method using microchannels was also developed as a space-moving temperature circulation method and a time difference temperature circulation method.
- the space moving temperature circulation method can be divided into an open reactor method that continuously flows in a FIFO (First-In-First-Out) method, and a closed type method that repeatedly moves other temperature sections.
- the open method was developed by Nakano et al. in 1994 by winding a capillary tube in a cylindrical block having compartments with different temperatures and continuously flowing a PCR solution there. (Biosci. Biotech. Biochem., 58(2), 349-352, 1994) This is a micro-channel type PCR equipment that repeatedly flows through the high and low temperature sections in 1998. It was confirmed that PCR proceeded by passing through 20 cycles with a cycle of 4.5 seconds. (Science 280 1046-1048, 1998)
- the main object of the present invention is to extract nucleic acids from biological samples, perform PCR reactions, and perform detection of target nucleic acids fully automatically through scanning excitation light and corresponding fluorescence of various wavelengths, and can test multiple targets in one operation. It is to provide a device that can be used, is easy to use, and can obtain accurate results in a particularly fast time.
- Another object of the present invention is to enable rapid and accurate PCR by allowing rapid and repetitive application of the temperature control process required for the PCR process to the temperature required for the thermal denaturation process and the exact temperature required for the bonding process, It is to provide a device that can maximize the reliability of the reaction.
- a nucleic acid extraction cartridge for extracting the nucleic acid from the biological sample through a nucleic acid extraction reagent stored therein (100); At least one reaction in which the nucleic acid extraction cartridge is coupled in a structure in which a flow path is connected, and the nucleic acid solution extracted from the nucleic acid extraction cartridge 100 is applied, and a primer or a primer/probe or a PCR mixture dried product containing a primer probe is accommodated.
- PCR plate 200 accommodated in the well; And a pair of heating blocks 310 and 320 disposed above the PCR plate 200, applying different temperatures adjacent to the reaction well W, and capable of horizontal operation and vertical movement operation. It is possible to provide a polymerase chain reaction system including the temperature control module 300.
- extraction of nucleic acids from biological samples, PCR reactions, excitation light in various wavelengths, and real-time reaction product detection through fluorescence scanning can be automated and performed, and various tests can be performed with one operation. And, it is possible to provide a device that is easy to use and can obtain accurate results in a particularly fast time.
- the temperature control required for the PCR process can be quickly applied to the reaction object at a time in real time and the exact temperature required for combination with the heat denaturation step, thereby enabling accurate PCR. There is an effect that can maximize reliability.
- the temperature cannot be uniformly increased, which is disadvantageous to the PCR reaction, and the reaction solution moves and the temperature increases sequentially.
- the temperature range set in the heating block is maintained at a constant temperature, and the temperature is increased by directly pressurizing the entire reaction solution. The temperature increase required for the reaction can be implemented very efficiently.
- block-shaped heating block structures are arranged side by side and when the PCR plate is pressed, the positions of the heating blocks can be changed individually. Since the heating block having a different temperature is pressed in real time, the problem caused by the required time delay in the temperature change process can be remarkably solved.
- the nucleic acid extraction cartridge is commonly used, and the PCR plate used for various test kits is stored in a small space, and a suitable PCR plate is inserted and used as necessary. I can. It is possible to analyze up to 6 fluorescence values in one reaction well provided in the PCR plate, and if necessary, the reaction well of the PCR plate can be increased to 8, so that it can be included in the patient's biological sample related to symptoms. All potential pathogens can be amplified and detected, allowing symptom-based multi-molecular diagnostic tests to be provided.
- the constant temperature plate is divided into regions having a gradient between the first temperature and the second temperature, and a set temperature corresponding to the temperature of the heating block when the heating block is pressed through a driving module
- a sliding tape can be used to secure the reliability of the product configuration and movement as a configuration in which the driving operation is performed. Since it takes, the advantage of reducing the inspection time by 1/2 is also implemented.
- 1 is a block diagram showing the configuration of the main parts constituting the polymerase chain reaction system according to an embodiment of the present invention.
- 2 to 7 are views for explaining the structure of the temperature control module 300 in the present invention.
- Figure 8 shows an embodiment of the PCR plate 200 applied to the present invention.
- 9 to 12 are conceptual diagrams for explaining the structure and operation of the constant temperature plate and the horizontal moving drive module applied to the present invention.
- FIG. 13 is a perspective view of the nucleic acid extraction cartridge of the present invention, showing a structure in which the above-described PCR plate is inserted and coupled.
- FIG. 14 is an exploded perspective view of FIG. 13.
- FIG. 15 shows the internal structure of the cartridge lid part R1 in the structure of FIG. 14.
- FIG. 16 is a perspective view showing the combined state of the structure of FIG. 14.
- FIG. 21 is an enlarged view of an arrangement of main parts of the present invention in FIG. 20, and FIG. 22 is a conceptual diagram showing a vertical sectional view of the part of FIG.
- FIG. 23 is a side perspective cross-sectional conceptual view of FIG. 22.
- FIG. 1 is a block diagram showing the configuration of the main parts constituting the polymerase chain reaction system (hereinafter referred to as'the present invention') according to an embodiment of the present invention.
- the polymerase chain reaction system is a temperature control process required for the PCR process and the temperature required for the thermal denaturation process and the bonding process.
- Accurate PCR is possible by applying the exact temperature required for (annealing) to the reaction object in real time without time difference, and to maximize the reliability of the reaction, contact the PCR reaction plate to set a specific temperature. It characterized in that it comprises a temperature control module implemented as an applied heating block structure.
- the temperature control module minimizes the time delay required to implement a temperature from a first temperature to a relatively low temperature second temperature or a second temperature to a relatively high temperature first temperature in the reverse process.
- the PCR reaction plate is pressurized in real time, so that the problem due to the required time delay in the temperature change process can be drastically solved.
- it may be implemented to further include a constant temperature plate structure that is disposed under the PCR plate and operates in a horizontally moving structure in a sliding manner.
- a constant temperature plate structure that maintains the temperature of the PCR plate at the first temperature or the second temperature, thereby minimizing the time required for application of the temperature change condition to maximize the reaction speed.
- the nucleic acid extraction cartridge 100 for extracting the nucleic acid of the biological sample through the medium of the nucleic acid extraction reagent stored therein, forming a PCR preliminary mixture or template, and inserted into the nucleic acid extraction cartridge Combined in a connected structure, receiving the PCR preliminary mixture or template extracted from the nucleic acid extraction cartridge 100, and dispersing in at least one reaction well containing a primer/probe or a PCR dry product containing a primer/probe
- a temperature control module including a PCR plate 200, a pair of heating blocks 310 and 320 disposed on the PCR plate 200 and adjacent to the reaction well W and applying different temperatures to each other It may be configured to include 300.
- the present invention provides the convenience of allowing nucleic acid extraction to be performed freely by inserting a desired sample through the nucleic acid extraction cartridge through the above-described configuration, and at the same time, the temperature cycle required for amplification applied to the PCR plate 200
- a heating block structure that can directly apply a target temperature to the reaction solution in the PCR plate through a thin film and compression, fast and precise temperature control can be achieved.
- the polymerase chain reaction (hereinafter referred to as'PCR') implemented as a single system so that the detection of the reactants can be performed by scanning the excitation light of various wavelengths and the corresponding fluorescence under the PCR plate in real time through the scanning module. You can make it possible to provide a device.
- 2 to 7 are views for explaining the structure of the temperature control module 300 in the present invention.
- FIG 2 and 3 are perspective conceptual diagrams of the temperature control module of the present invention.
- the temperature control module 300 extracts a nucleic acid from a biological sample, mixes it with a polymerase, and receives a PCR (polymerase chain reaction) premix or a nucleic acid extract from a nucleic acid extraction cartridge. It performs a function of performing a constant temperature control for the PCR plate 200.
- the temperature control module 300 is implemented with a first pressure surface G1 corresponding to the surface of the reaction well W implemented in the PCR plate 200, and is thermally denatured by the heating unit. It includes a first heating block 310 maintained at a temperature set in the range of the required temperature (hereinafter,'first temperature'). At the same time, the first heating block 310 is disposed to be spaced apart from each other, a second pressing surface G2 corresponding to the reaction well surface is provided, and a temperature required for annealing by a heating unit ( Hereinafter, it is configured with a second heating block 320 maintained at a temperature set in the range of'second temperature'). In particular, the structures of the first heating block 310 and the second heating block 320 may be implemented to enable horizontal and vertical movements.
- the first heating block 310 and the second heating block 320 have a three-dimensional structure, and may be provided with a flat pressure surface on the lower surface, and the first heating block ( 310) and the second heating block 320 may be disposed to be spaced apart from each other, and each may have a temperature in a different temperature range.
- the first heating block 310 and the second heating block 320 are arranged to face each other in a structure facing each other, as shown in FIGS. 2 and 3, and a pressing function of a flat structure on the top surface as a whole. It is implemented as a structure for performing, and the upper portion may be provided in a three-dimensional structure of a rectangular parallelepiped.
- the implementation of the three-dimensional structure of a rectangular parallelepiped is an example, and any three-dimensional shape provided with a pressing surface of a flat structure for pressing is included in the gist of the present invention.
- first heating block 310 and the second heating block 320 are disposed sideways, and adjacent surfaces are implemented in a structure that is spaced apart from each other, and each may be maintained to have a different set temperature.
- the first temperature of the first heating block 310 is a temperature applied to the heat denaturation step of separating double-stranded DNA (including DNA extracted from a biological sample) and may be set in the range of 94 to 96°C. I can. In a preferred embodiment of the present invention, it can be maintained at 95 °C.
- the second temperature of the second heating block 320 is a temperature required for annealing the primers to bind the separated template DNA, and may be set in the range of 50 to 65°C. In a preferred embodiment of the present invention, it can be maintained at 55 °C.
- the first heating block 310 and the second heating block 320 are implemented in a structure including a metal body having a large heat capacity and good heat transfer efficiency, rather than a method of accommodating water or a heat transfer fluid therein. It can be maintained at the set temperature at all times by the heating unit of. For this purpose, the heating unit must be controlled through temperature control so that a temperature sensor is installed inside to maintain a constant temperature.
- the first heating block 310 moves horizontally and is adjacent to the surface of the PCR plate 200 when the application of the first temperature is required. do. That is, the first pressing surface (G) is a flat plate structure with a flat structure, and it is possible to heat the entire surface of the PCR plate 200 at the same time and at the same pressing force at the same temperature, allowing uniform temperature transfer to the entire sample. Is done.
- the second heating block 320 moves horizontally and is located on the top of the PCR plate, and the entire surface of the PCR plate 200 is simultaneously at the same temperature. Make it possible to heat by pressing force.
- the second heating block may be constantly heated by the first heating block by radiant heat and conduction heat.
- a cooling fan unit 340 capable of implementing a cooling effect may be provided in the spaced space between the two structures.
- the second heating block 320 relatively maintains a second temperature, such as an annealing temperature of 55° C., minimizing the thermal interference of the first heating block 310 and easily cooling the excess heat.
- a diverging type cooling pattern that can be radiated by the unit may be provided at the top.
- the second heating block 320 may further include a temperature control pattern part 321 implemented on the side of the second pressing surface G2.
- the temperature control pattern part 321 has a structure in which a plurality of protruding patterns are implemented on the top, and it is possible to increase the heat dissipation efficiency by increasing the contact surface area with air, thereby advantageously maintaining a constant low temperature.
- the present invention described above has a heating block structure so as to increase the overall and uniform temperature from the top while the reaction sample is fixed. By applying, it is possible to implement accurate transfer of the first temperature and the second temperature.
- the first heating block 310 or the second heating block 320 interlock with the driving module 330 that implements a horizontal operation or a vertical movement operation.
- the driving module 330 includes guide members 311 and 321 penetrating the first heating block 310 and the second heating block 320, and the first heating block 310 and the second heating block 310
- the heating block 320 may vertically move along the guide members 311 and 321.
- the first heating block 310 and the second heating block 320 are disposed to be spaced apart from each other, and according to the operation of the driving module 330, they cross each other to implement vertical movement. Further, by further including an elastic member (S1, S2) disposed under the guide members 311 and 321, when the heating block presses the PCR plate, it is possible to provide a buffering function by giving an appropriate elastic force. It is preferable (see Fig. 5).
- thermocontrol module 350 interlocking with the temperature control module described above.
- thermocontrol module 350 interlocking with the temperature control module described above.
- the constant temperature plate 350 is disposed under the structure of the heating blocks 310 and 320 constituting the temperature control module 300, as shown in FIGS. 2 and 3, and the PCR plate 200 enters After that, when the first heating block 310 or the second heating block 320 of the temperature control module 300 presses the PCR plate by horizontal motion and vertical movement, the first heating block 310 or The second heating block 320 may function to have the same temperature as the temperature of the second heating block 320.
- the constant temperature plate 350 may be configured to further include a horizontal movement driving module 400 that horizontally moves to the lower portion of the PCR plate 200.
- the constant temperature plate 350 may be configured to further include a horizontal movement driving module 400 that horizontally moves to the lower portion of the PCR plate 200.
- the horizontal movement driving module 400 as shown in Figs. 2 and 3, a moving bar 420 and a driving motor unit 410 coupled to one end of the constant temperature plate 350, and the driving motor unit ( It may be configured to include a conversion plate 430 for converting the rotational force of the 410 to the horizontal moving force of the moving bar 420.
- This horizontal movement driving module 400 allows the constant temperature plate 350 to be horizontally moved in the lower direction of the temperature control module 300 described above.
- the constant temperature plate 350 according to an embodiment of the present invention , It may be implemented in a structure divided into a first region heated to a first temperature and a second region heated to a second temperature spaced apart from the first region (see descriptions of FIGS. 21 to 23).
- the temperature control module 300 and the constant temperature plate 350 may be implemented integrally with each other through the guide members S1 and S2.
- the temperature control module 300 including the constant temperature plate 350 and the heating blocks 310 and 320 may be moved together.
- the constant temperature plate 350 includes a first region heated to a first temperature and a second region heated to a second temperature spaced apart from the first region, and the first heating block 310
- the first pressurization surface G1 of is arranged to correspond to the upper portion of the first region, and at the same time, the PCR plate 200 is disposed between the heating plate 350 and the heating blocks 310 and 320 at the same temperature above and below. It can be made to be pressurized.
- the constant temperature plate 350 is divided into a region having a gradient between a first temperature and a second temperature, and when the heating block is pressed through the horizontal moving drive module 400, the heating block is By moving horizontally in a sliding structure so that a region having a set temperature (first temperature or second temperature) corresponding to the temperature corresponds to the upper and lower surfaces of the PCR plate, contact pressure is simultaneously performed, thereby allowing the constant temperature plate method to be maintained at a single temperature. Compared to that, it realizes twice the efficiency.
- FIG. 4 is a cross-sectional view of the temperature control module in FIG. 3 viewed from the rear
- FIG. 5 is a cross-sectional view of the temperature control module viewed from the front.
- the temperature control module 300 of the present invention is provided with a driving module 330 that implements a horizontal operation or an up-down movement operation of the first heating block 310 and the second heating block 320. Allows you to automate the operation of the module.
- the driving module 330 performs an operation of moving the first heating block 310 and the second heating block 320 up and down, and at the same time, the horizontal movement driving module 400 Is a portion in contact with the surface of the reaction well on the PCR plate 200 by horizontally moving the first heating block 310 and the second heating block 320, the first pressing surface G1 or the second pressing Make it possible to change it to face (G2).
- the first heating block 310 and the second heating block 320 are arranged side by side while being spaced apart from each other, and guide grooves 312 and 322 (refer to FIG. 2) are provided in a through structure, respectively, The first heating block 310 and the second heating block 320 are seated on guide members 311 and 321 passing through the guide groove. Through this, the first heating block 310 and the second heating block 320 move up and down along the guide members 311 and 321, and the PCR plate can be pressed from the top.
- a constant temperature plate 350 is disposed below the first heating block 310 and the second heating block 320, and the temperature is the same as the first temperature or the second temperature provided by each heating block.
- the PCR plate can be pressed from the top and bottom.
- the temperature control module 300 in the present invention has the advantage of being able to directly apply the first temperature and the second temperature to the entire PCR plate surface to the entire PCR object in the PCR plate 200. , It is possible to realize excellent effects in terms of application speed and reaction efficiency.
- the structure of the heating block of the temperature control module 300 is located at an upper portion that can be moved horizontally at all times and descends only when it is pressed against the PCR plate.
- a second elastic member 335 for transmitting a pressing force to prevent excessive pressing force is provided (FIG. 5).
- the second elastic member 335 is implemented as a plate spring structure, and when the first and second heating blocks in the downward direction are pressed, they exert a certain buffering force and an excessive pressing force is applied to the surface of the PCR plate. You can control it so that it does not happen.
- the PCR plate 200 has a shape of a plate-shaped structure in which a reaction well is implemented on an upper surface.
- the PCR plate 200 has a constant temperature, such as a second temperature (ex: 55). °C) to maintain the range of the lower portion of the thermostatic plate 350 structure to be further included.
- the PCR plate 200 is disposed under the PCR plate 200, so that the temperature of the PCR plate 200 to be maintained at the second temperature to be configured to further include a constant temperature plate 350 It is desirable to do it.
- the constant temperature plate 350 structure in a manner that is mounted in a fixed type and applies a constant temperature, but as described above, the constant temperature plate 350 itself is divided to provide the first temperature and It is more preferable that the second temperature is divided into a region to which the temperature is applied, and the constant temperature plate can be horizontally moved.
- FIG. 6 is a view showing a state in which the constant temperature plate 350 is horizontally moved to the lower part of the temperature control module through the horizontal moving driving module 400 in the structure of FIG. 2, and
- FIG. 7 is a constant temperature plate in the operation of FIG. It shows the appearance of changing the temperature range by horizontally moving 350 outward.
- the first heating block 310 when the first heating block 310 is arranged to apply the first temperature, the first region of the constant temperature plate 350 moves horizontally to the bottom of the PCR plate together with the first heating block. And the first heating block 310 corresponds to the upper surface of the PCR plate, and then, as shown in FIG. 7, the second region is horizontally moved to the bottom of the PCR plate together with the second heating block. In this case, the second heating block is moved horizontally and is operated so as to face the upper surface of the PCR plate.
- the horizontal movement operation of the constant temperature plate 350 may be implemented in a sliding manner, and may be implemented to move in contact with a sliding tape that contacts a side portion of the constant temperature plate 350.
- the constant temperature plate 350 includes the PCR plate 200 and the scanning module below ( Not shown:
- the light of the scanning module 500 is arranged between the reference numerals 500 of FIG. 1 and is transmitted to the PCR plate 200 by irradiating the excitation light irradiated from the scanning module and detects fluorescence.
- a plurality of guided light transmitting portions h may be provided in a through structure.
- the nucleic acid extraction, PCR process, and detection process can be implemented in one system with an integrated system equipped with the above-described scanner, and a separate PCR plate structure can be implemented to be applicable to various disease diagnosis. .
- Figure 8 shows an embodiment of the PCR plate 200 applied to the present invention.
- the PCR plate 200 includes at least one reaction well (W1.. ..Wn) is implemented and the body portion 210, extending from one end of the body portion 210, is coupled to the structure interpolated to the nucleic acid extraction cartridge 100.
- the PCR plate 200 may be implemented in a structure in which an insertion part 220 having an injection hole h1 into which the PCR preliminary mixture is injected so as to be introduced from the nucleic acid extraction cartridge 100 is implemented.
- the PCR plate 200 has a structure in which a connection part 230 having a flow path part 231 provided on the surface of the body part to be connected to the injection hole h1 and connected to the plurality of reaction wells is provided. Let it be implemented.
- the PCR plate 200 includes a body portion 210 in which a plurality of reaction wells W1....Wn are implemented.
- a reaction well in the case of the reaction well, in the illustrated structure, it is implemented as a structure including eight reaction wells, but is not limited thereto, and of course, it can be implemented as a structure having at least one or more.
- the structure may also be implemented in a concave pattern structure by processing the surface of the body part 210.
- the partition wall pattern 215 for partitioning a constant region of the reaction well is provided in a protruding structure in the surface region of the body 210.
- the primer provided in a dried state in the inside and a polymerase chain reaction (PCR) preliminary mixture injected from the nucleic acid extraction cartridge are dispersed and mixed in the reaction well.
- PCR polymerase chain reaction
- the PCR plate 200 includes a cover member (not shown) that seals the upper portions of the plurality of reaction wells, and the cover member may be made of a transparent film material having light transmission properties. .
- the cover member When the cover member is in close contact with the surface of the reaction well and the inside of the reaction well is realized as a cavity, the PCR (polymerase chain reaction) preliminary mixture injected from the nucleic acid extraction cartridge later pushes the air layer present in the upper cavity and inside the reaction well. Will be injected.
- PCR polymerase chain reaction
- a flow path part 231 connected to the reaction well in the body part 210 may be provided.
- the flow path part is implemented to extend to the distal end 232 of the body part via the body part 210 at a time 231 connected to the injection hole h1, and opposite to the insertion part at the distal part 232 It can be implemented to be connected to each of the end of the plurality of reaction holes in the direction to be.
- the flow path is implemented in a direction x1 crossing the body at the time point 231 of the flow path, It can be implemented to be branched left and right at the distal point of the body and connected to the inlet to each reaction well.
- the reason for forming the flow path is that a small amount of air layer exists inside the reaction well area sealed by the cover member, so that the injected polymerase chain reaction (PCR) premix is formed at the center line of the body as shown in the structure of FIG. Based on ), it is filled from the lower region Cb, and the air layer is pushed up to the upper region Ca of the body.
- PCR polymerase chain reaction
- a mixture to be subjected to a PCR reaction is relatively arranged in the lower region (Cb) of the reaction well, which is the region where the heating block of the present invention performs pressurization and the region where the scanner module detects Likewise, since it is performed in the lower region Cb, it is possible to increase both the accuracy of detection, efficiency of PCR reaction, and efficiency of temperature control.
- the PCR plate 200 is preferably made of a synthetic resin material having high light transmittance. This is to improve detection efficiency by using a material having high light transmittance according to the function of the scanner module described above.
- Transparent PP Various synthetic resin materials such as PE, PPA, PMMA, and PC can be applied, but are not necessarily limited thereto, and any material that can secure a certain light transmittance can be applied.
- the PCR plate 200 can maintain a constant temperature by a heat source applied from the lower constant temperature plate, and a PCR (polymerase chain reaction) premix or nucleic acid solution and dried primer/probe or
- the thickness of the body 210 may be implemented in the range of 1.0mm to 3.0mm. If the thickness is less than 1.0mm, the high-temperature heat that sets the first temperature is easily transferred to the lower part of the body, resulting in thermal interference with the constant temperature plate, making it difficult to control the temperature. It is easy to control the temperature of the material to be formed, but it is difficult to control the temperature of the lower constant temperature plate, and thus it is difficult to maintain a constant temperature.
- the first pressing surface contacting the surface of the reaction well by horizontally moving the first heating block 310 and the second heating block 320 (G1) or the second pressing surface (G2) is pressed in a structure in contact with the upper surface of the partition wall pattern 215 and the cover member covering the partition wall pattern to set the set temperature as a first temperature or a second temperature.
- the temperature of the reactants is controlled.
- the first heating block moves horizontally to face the upper surface of the PCR plate in order to raise it to the first temperature.
- the lower surface of the PCR plate is subjected to contact pressure after the first area of the constant temperature plate moves horizontally with the first heating block, and then the first heating block moves downward and pressurizes the contact.
- the upper surface moves horizontally to face the second heating block, and on the lower surface of the PCR plate 200, the second area of the constant temperature plate moves horizontally together with the second heating block, and then the second heating block moves downward.
- the contact pressure is applied, and the PCR plate 200 is driven to simultaneously heat and cool the upper and lower surfaces of the PCR plate 200.
- the constant temperature plate 350 and the first and second heating blocks 310 and 320 are integrally moved horizontally, the upper and lower portions of the PCR plate 200 are simultaneously pressed at the same temperature. Of course it can be.
- 9 to 12 are views for explaining in detail the structure and operation method of the constant temperature plate and the horizontal moving driving module.
- FIG. 9 shows a structure in which the constant temperature plate 350 is seated in FIGS. 2 and 3, and FIG. 10 shows a structure in which only the constant temperature plate structure is separated.
- the constant temperature plate 350 according to an embodiment of the present invention is disposed under the heating block structure constituting the temperature control module shown in FIGS. 2 and 3, and the PCR plate 200 After is placed, when the first heating block 310 or the second heating block 320 of the temperature control module 300 presses the PCR plate by horizontal motion and vertical movement, the first heating block It is possible to function to have the same temperature as the temperature of (310) or the second heating block (320).
- the constant temperature plate 350 may include a spacer (SS) that divides the first region (a1) maintaining a first temperature and the second region (a2) maintaining a second temperature. ) Is provided, and the first region (a1) and the second region (a2) are connected to each other with respect to both side ends (a3 and a4) of the spacer (Ss).
- SS spacer
- Connector structures (Ca, Cb) are mounted at one end of the constant temperature plate 350 to enable power supply or control signals to be transmitted.
- the horizontal movement of the constant temperature plate 350 is implemented in a sliding manner, and is implemented to move in contact with a sliding tape in contact with the side surface of the constant temperature plate 350 to achieve simplification of the structure as well as mobility. Make it possible to improve.
- a transmission hole H may be provided in the second region a2 to transmit the detection light of the scanning module 500 that scans the concentration of the amplified reactant.
- Temperature sensors Sa and Sb may be provided in the first region a1 and the second region a2 to measure and control the temperature of the corresponding region.
- FIG. 11 shows the lower surface of FIG. 10, in which connection connectors (Cc, Cd) for applying control signals and power are provided, and temperature sensors (Sa, Sb) are provided to maintain a constant temperature of the first temperature and the second temperature. Make it possible to implement maintenance.
- a method of mounting various means such as various heating means, heating wires or heating resistors inside the plate may be used, but in a preferred embodiment of the present invention, epoxy printing Implement an electrode and a temperature sensor circuit on the circuit, apply heat-generating paint between the electrodes, and then bond the metal plates corresponding to the first and second areas to each temperature sensor and the heat-generating paint to achieve this effect.
- FIGS. 6 and 7 are top plan views illustrating the operation method described above in FIGS. 6 and 7 in more detail.
- the constant temperature plate 350 to the lower portion of the PCR plate 200 may be configured to further include a horizontal movement driving module 400 for horizontal movement.
- the horizontal movement driving module 400 as shown in Figs. 2 and 3, a moving bar 420 and a driving motor unit 410 coupled to one end of the constant temperature plate 350, and the driving motor unit ( It has been described above that it may be configured to include a conversion plate 430 that converts the rotational force of the 410 to the horizontal moving force of the moving bar 420.
- the nucleic acid extraction cartridge is inserted into the nucleic acid extraction cartridge and coupled to the flow path, and the nucleic acid solution extracted from the nucleic acid extraction cartridge 100 is injected into the injection hole h1, and the injected extracted nucleic acid
- the solution is then transferred to the PCR plate 200, which is injected into at least one reaction well in which a primer or a primer/probe or a PCR mixture containing a primer probe is dried is received.
- the first heating block 310 or the second heating block 320 of the temperature control module 300 of the present invention for forming a first temperature or a second temperature in the reaction well portion of the PCR plate 200 It will descend.
- the horizontal movement driving module 400 horizontally moves the constant temperature plate 350 and the temperature control module 300 together, and the PCR plate is inserted between the constant temperature plate 350 and the temperature control module 300. It will be arranged in a structure that can be used.
- the heating block horizontally moved through the horizontal movement driving module 400 presses the PCR plate, the first region of the constant temperature plate having a set temperature (first temperature or second temperature) corresponding to the temperature of the heating block, or The second area is arranged to correspond naturally.
- the first heating block (Figs. 2 and 310) is moved horizontally at the same time, and the It corresponds to face the upper surface of the PCR plate, and then the heating block descends to contact the upper surface of the PCR plate.
- the second heating blocks (eh 2, 320) are simultaneously moved horizontally to correspond to the upper surface of the PCR plate. Then, the heating block descends and comes into contact with the upper surface of the PCR plate.
- the first heating block moves horizontally to face the upper surface of the PCR plate, and the lower surface of the PCR plate is horizontally moved to the first temperature. After moving, the first heating block moves downward to drive the contact pressure.
- the upper surface of the PCR plate 200 moves horizontally to face the second heating block, and the lower surface of the PCR plate 200 moves the second region of the constant temperature plate horizontally.
- the second heating block is moved downward and contact is pressurized, so that the upper and lower surfaces of the PCR plate 200 are simultaneously heated and cooled.
- nucleic acid extraction cartridge 100 that implements a PCR (polymerase chain reaction) preliminary mixture including a nucleic acid extract on the PCR plate according to the present invention will be described with reference to FIGS. 13 to 19.
- FIG. 13 is a perspective view of the nucleic acid extraction cartridge of the present invention, showing a structure in which the above-described PCR plate is inserted and coupled.
- FIG. 10 is an exploded perspective view of FIG. 9 and
- FIG. 11 is a diagram illustrating the internal structure of the cartridge lid part R1 in the structure of FIG. 10. (In this example, the structure of the gene amplification plate having two reaction wells will be described.)
- a nucleic acid extraction cartridge 100 includes a cartridge having a plurality of partition wall structure receiving portions 22, 23, 24, 25, 26 containing a solution required for DNA extraction. Includes a cartridge body portion (R2) coupled to the cover portion (R1) and the cover portion (R1) in an insertion structure, and provided with a reaction receiving portion (11) for reacting or washing a solution introduced from the receiving portions with a sample It can be configured.
- a piston part 18 for injecting the PCR premix purified by the reaction receiving part 11 into the injection hole h1 of the PCR plate 200, which is combined in a structure that is interpolated into the cartridge body part R2. ) Is provided.
- FIG. 16 is a transparent perspective view of FIG. 13 showing the internal structure after being combined.
- the nucleic acid extraction cartridge of the present invention is equipped with a rotary valve 19 having a flow path 19-1 formed therein on the bottom surface of the body portion R2, and when the rotary valve is rotated, each of the cartridge body R2 is accommodated.
- the space of the parts 11, 12, 13, 14, 15, 16, 17 and the flow path of the rotary valve 19 may be connected. It is designed to connect a flow path to a specific receiving unit and then operate the piston 18 to take the solution contained in the receiving unit and transfer the material to another receiving unit or PCR plate 200.
- the cartridge lid portion R1 contains accommodating portions 22, 23, 24, 25, 26 containing solutions required for DNA extraction, and the accommodating portion
- the bottom surface is sealed with a film or the like, so it is designed to be easily pierced by a penetrating needle (composition 10-1 in FIG. 12).
- a penetrating needle composition 10-1 in FIG. 12
- five holes 21-1, 21-2, 27, 28, and 29 are formed.
- the first receiving part 22 of the cartridge cover part R1 has a Binding buffer
- the second receiving part 23 has a 1st Washing buffer
- the third receiving part 24 has a 2nd Washing buffer
- the fourth receiving part 25 In the 3rd washing buffer
- the fifth receiving portion 26 contains the elution buffer.
- the PCR plate 200 is covered with a film made of a transparent plastic material [polyethylene, polypropylene, PET, etc.], and a structure containing a dried PCR primer/probe or a PCR mixture including them is contained in the reaction well, which is shown in FIG. Same as the structure described above.
- nucleic acid extraction cartridge of the present invention may proceed in the following order.
- the cartridge body portion (R2), the cartridge cover portion (R1) and the PCR plate 200 are mounted in an automated equipment to be described later in a combined state, and a biological sample (blood) is placed in the first hole 21-1 shown in FIG. ) Is injected.
- the binding buffer of the first receiving unit 22 is formed by the rotation of the rotary valve 19 disposed under the cartridge body R2 and the action of the piston 18. 11) and mixed with biological samples and beads of magnetic tablet (MT) (magnetic beads coated with silica).
- MT magnetic tablet
- the magnetic tablet (MT) used in the present invention is a magnetic tablet (MT) mounted at the end of the through-pipe extending into the reaction receiving part 11 of the cartridge body part (R2), and the cells contained in the biological sample
- the nucleic acid extracted from the magnetic tablet is dissolved and the surface of the dispersed magnetic bead and the nucleic acid bind to each other.
- the magnetic beads may be suspended in a binding buffer and used.
- the ultrasonic wave is transmitted through the plastic and the biological sample, the tablet, and the binding buffer are mixed and reacted.
- the liquid is homogenized, and at this time, the biological tissues contained in the biological sample are also crushed to leak the nucleic acid, and the leaked nucleic acid binds to the surface of the beads.
- the 1st Washing buffer of the second receiving unit 23 is introduced into the reaction receiving unit 11 through the rotation of the rotary valve of the cartridge body unit R2 and the action of the piston shown in FIG. 16 to mix the nucleic acid-bound beads. .
- the magnetic bar is inserted into the third hole 27 so that the bead is fixed to the wall of the reaction receiving unit, and the primary washing liquid is transferred to the second receiving unit 23 through the rotation of the rotary valve and the action of the piston.
- the 2nd washing buffer of the third receiving unit 24 is introduced into the reaction receiving unit 11 through the rotation of the rotary valve of the cartridge body unit R2 and the action of the piston shown in FIG. 16 to mix the nucleic acid-bound beads. .
- the magnetic bar is inserted into the third hole 27 so that the bead is fixed to the wall of the reaction receiving unit, and the secondary washing liquid is transferred to the third receiving unit 24 through the rotation of the rotary valve and the action of the piston.
- the 3rd washing buffer of the fourth receiving unit 25 is introduced into the reaction receiving unit 11 through the rotation of the rotary valve of the cartridge body R2 and the action of the piston shown in FIG. 16 to mix the nucleic acid-bound beads. .
- the magnetic bar is inserted into the third hole 27 so that the bead is fixed to the wall of the reaction receiving unit, and the third washing liquid is transferred to the fourth receiving unit 25 through the rotation of the rotary valve and the action of the piston.
- the elution buffer of the fifth receiving unit 26 is introduced into the reaction receiving unit 11 through the rotation of the rotary valve of the cartridge body R2 and the action of the piston shown in FIG. 16 to mix with the bead to which the nucleic acid is bound.
- a magnetic bar is inserted into the third hole 27 so that the bead is fixed to the wall of the reaction receiving unit, and the elution buffer in which the nucleic acid is dissolved is introduced into the sixth receiving unit 17 by rotating the rotary valve and selecting a small piston.
- the PCR material a mixture of polymerase, dNTP, etc.
- The'PCR premix' used in the present invention is defined and used as embodied by the above materials. The above process is omitted when the PCR reaction product including the primer/probe is dried in each well of the PCR plate, and the nucleic acid eluate is directly injected into the PCR plate as follows.
- the PCR premix generated in the sixth receiving part through the rotation of the rotary valve of the cartridge body part R2 shown in FIG. 16 and the action of the piston is put into the PCR plate 200, and the primer contained in the PCR plate 200 /Mixed with the probe.
- the injection process moves through the flow path Y of the rotary valve by pressing the piston 18 and is injected into the injection hole h1.
- a heating rod is inserted into the fourth hole 29 so that the cover film at the entrance of the PCR reaction plate is heated under pressure, thereby sealing the PCR reaction plate.
- the PCR plate 200 contains nucleic acids extracted from biological samples, polymerases, dNTPs, primers/probes, and other buffers.
- the PCR reaction is performed through the application of pressurized heat to the PCR plate 200 through the temperature control module of the present invention.
- the above-described PCR plate 200 is seated on the side.
- the portion where the reaction well corresponding to the body portion of the PCR plate 200 is present is exposed to the outside, and the above-described temperature control module 300 is disposed thereon.
- FIG. 21 is an enlarged view of an arrangement of main parts of the present invention in FIG. 20, and FIG. 22 is a conceptual diagram showing a vertical sectional view of the part of FIG. 21 to show the arrangement of the main parts.
- 23 is a side perspective cross-sectional conceptual view of FIG. 22.
- the PCR preliminary mixture containing the nucleic acid extracted from the inside of the nucleic acid extraction cartridge 100 according to the present invention is injected into the PCR plate 200 in which the reaction well is implemented.
- a first pressing surface G1 corresponding to the reaction well surface is implemented on the upper part of the PCR plate 200, and a first heating block 310 maintained at a temperature required for thermal denaturation by a heating unit is provided.
- the second heating block 320 which is disposed in a horizontal manner, and can be implemented in a structure in which a region to be pressed is changed is disposed adjacently. Accordingly, the PCR preliminary mixture injected into the reaction well is directly heated by the heating block in accordance with the first temperature (95°C) required for thermal denaturation or the second temperature (55°C) required for annealing.
- a constant temperature plate 350 is disposed under the PCR plate 200 to maintain the temperature of the PCR plate 200 at a constant temperature level.
- a scanning module 500 is disposed under the constant temperature plate 350 so that the light L irradiated by the light irradiation unit E1 passes through the light transmitting portion H of the constant temperature plate 350, and the PCR plate ( 200) is reached and fluorescence detection is performed.
- the temperature control module when the temperature is increased by closely contacting the first heating block of the first temperature (ex: 95°C) by the temperature control module, or the second temperature (ex: 55°C) When the second heating block of) is in close contact, if the PCR plate 200 is maintained in a certain temperature range, temperature control of the internal amplification reaction becomes much easier, so that the temperature of the above-described constant temperature plate is kept constant at the second temperature. Maintaining this is a very important factor to increase the reliability of the reaction.
- the temperature of the PCR plate is raised to 95°C, the temperature of the PCR plate is increased by increasing the heat transfer rate by bringing the first temperature block and the first constant temperature zone into close contact. It can quickly reach 95°C in 2-3 seconds.
- PCR premix or PCR plate containing the RT-PCR reaction dry matter.
- the low-temperature block may be adjusted to an RT reaction temperature, adhered to the PCR reaction plate, and maintained for an RT reaction time, and then the PCR reaction may be performed after performing a reverse transcription reaction.
- the presence or absence of the amplified nucleic acid or the concentration of the amplified nucleic acid can be determined through the PCR reaction, and this information can be used for diagnosis. At this time, the presence or concentration of the amplified nucleic acid can be achieved using a conventional nucleic acid detection method. have.
- a method of using SYBR green, a DNA minor grove-inserted fluorescent dye, which is a DNA intercalation dye, a method of scanning excitation light in various wavelength bands and corresponding fluorescence using a probe with various fluorescence and quencher attached, etc. May be used, but is not limited thereto.
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Abstract
Description
Claims (20)
- 내부에 저장된 핵산추출시약을 매개로 상기 생체시료의 핵산을 추출하는, 핵산 추출 카트리지(100);상기 핵산 추출 카트리지에 유로가 연결되는 구조로 결합하며, 상기 핵산 추출 카트리지(100)에서 추출된 핵산용액을 인가받아, 프라이머 또는 프라이머/프로브 또는 프라이머프로브가 포함된 PCR혼합물 건조물이 수용된 적어도 1 이상의 반응웰에 수용하는 PCR플레이트(200); 및상기 PCR플레이트(200)의 상부에 배치되며, 상기 반응웰(W)에 인접하여 서로 다른 온도를 인가하며, 수평동작 및 상하 이동동작이 가능한 한 쌍의 히팅블럭(310, 320)을 포함하는 온도제어모듈(300)을 포함하는 중합효소 연쇄반응 시스템.
- 청구항 1에 있어서,상기 온도제어모듈(300)은,상기 반응웰 표면에 대응하는 제1가압면(G1)이 구현되며, 열변성(denaturation)에 필요한 온도(이하, '제1온도')로 유지되는 제1히팅블럭(310);상기 제1히팅블럭(310)과 대응되는 위치에 이격되어 배치되며, 상기 반응웰 표면에 대응하는 제2가압면(G2)이 마련되며, 결합(annealing)에 필요한 온도(이하, '제2온도')로 유지되는 제2히팅블럭(320); 및상기 제1히팅블럭(310)과 상기 제2히팅블럭(320)의 수평동작 또는 상하 이동 동작을 구현하는 구동모듈(330); 을 포함하는,중합효소 연쇄반응 시스템.
- 청구항 2에 있어서,상기 제1히팅블럭(310)과 상기 제2히팅블럭(320) 사이의 열복사 전도를 제어하는 냉각팬유닛(340);을 더 포함하는,중합효소 연쇄반응 시스템.
- 청구항 3에 있어서,상기 제1히팅블럭(310)과 상기 제2히팅블럭(320)은 상호 이격되어 배치되며,상기 구동모듈(330)의 동작에 따라 상호 교차하여 상하 이동을 구현하도록 하는,중합효소 연쇄반응 시스템.
- 청구항 3에 있어서,상기 제1히팅블럭(310) 또는 상기 제2히팅블럭(320)은,일측면의 표면에 구현되는 냉각 패턴부(311, 321)를 더 포함하는,중합효소 연쇄반응 시스템.
- 청구항 3에 있어서,상기 제1히팅블럭(310)과 상기 제2히팅블럭(320)은,온도센서와 가열유닛을 통해 상기 제1온도 또는 제2온도로 설정온도를 유지하는,중합효소 연쇄반응 시스템.
- 청구항 3에 있어서,상기 구동모듈(330)은,상기 제1히팅블럭(310)과 상기 제2히팅블럭(320)을 관통하는 가이드부재(311, 321)를 포함하며,상기 제1히팅블럭(310)과 상기 제2히팅블럭(320)은 상기 가이드부재(311, 321)를 따라 상하 이동을 수행하는,중합효소 연쇄반응 시스템.
- 청구항 6에 있어서,상기 가이드부재(311, 321)의 하부에 배치되는 탄성부재(S1, S2)를 더 포함하는,중합효소 연쇄반응 시스템.
- 핵산용액을 인가받아, 프라이머 또는 프라이머/프로브 또는 프라이머/프로브가 포함된 PCR혼합물 건조물이 수용된 PCR플레이트(200)의 상부에 서로 다른 제1온도 및 제2온도를 인가하도록, 수평동작 및 상하 이동동작이 가능한 한 쌍의 히팅블럭(310, 320)을 포함하는 온도제어모듈(300); 및상기 PCR플레이트(200)의 하부에 배치되어, 상기 PCR플레이트(200)의 온도를 상기 제1온도 또는 상기 제2온도로 유지하는 항온플레이트(350);를 더 포함하는,중합효소 연쇄반응 시스템.
- 청구항 9에 있어서,상기 항온플레이트(350)는,제1온도로 가온되는 제1영역과, 상기 제1영역과 이격되는 제2온도로 가온되는 제2영역을 포함하며,상기 제1히팅블럭(310)의 제1가압면(G1)은 상기 제1영역의 상부에 대응되도록 배치되며,상기 제2히팅블럭(320)의 제2가압면(G2)는 상기 제2영역의 상부와 대응되도록 배치되는,중합효소 연쇄반응시스템.
- 청구항 10에 있어서,상기 온도제어모듈(300)과 상기 항온플레이트(350)은 상기 가이드부재(S1, S2)를 매개로 상호 일체형으로 구현되는,중합효소 연쇄반응시스템.
- 청구항 11에 있어서,상기 항온플레이트(350) 및 상기 온도제어모듈(300)을 상기 PCR플레이트(200)의 하부로 수평이동하는 수평이동 구동모듈(400)을 더 포함하는,중합효소 연쇄반응시스템.
- 청구항 10에 있어서,상기 항온플레이트(350)는,상기 제1영역과 상기 제2영역을 구획하는 이격부(SS)가 마련되며,상기 이격부(SS) 양측단을 기준으로 상기 제1영역과 상기 제2영역이 연결되는 구조인,중합효소 연쇄반응시스템.
- 청구항 10에 있어서,상기 항온플레이트(350)는,PCB 기판에 온도센서와 발열소자회로를 형성하고 발열소자와 온도센서가 밀착되게 제1영역과 제2영역에 해당하는 각각의 금속판을 접착하는 것을 특징으로 하는,중합효소 연쇄반응시스템.
- 청구항 10에 있어서,상기 항온플레이트(350)의 수평 이동 동작은 슬라이딩 방식으로 구현되되,상기 항온플레이트(350)의 측면부와 접촉하는 슬라이딩 테이프와 접촉하여 이동되는,중합효소 연쇄반응시스템.
- 청구항 10에 있어서,상기 제1영역이 PCR플레이트의 하부로 수평이동 하여 배치되는 경우, 상기 제1히팅블럭이 상부에서 하부로 이동하며 상기 PCR플레이트의 상부면과 마주하여 가압되며,상기 제2영역이 PCR플레이트의 하부로 수평이동 하여 배치되는 경우, 상기 제2히팅블럭이 상부에서 하부로 이동하여 상기 PCR플레이트의 상부면과 마주하여 가압하도록 작동되는,중합효소 연쇄반응시스템.
- 청구항 14에 있어서,상기 PCR플레이트(200)에 대해 온도순환을 시키는 경우,제1온도로 올리기 위해서는 제1히팅블럭이 PCR플레이트 상부면과 마주 보게 수평이동하고 PCR플레이트 하부면은 상기 항온플레이트의 제1영역이 수평이동한 후 제1히팅블록이 아래로 이동하여 접촉 가압되며,제2온도로 내리기 위해서는 상기 PCR플레이트(200)의 상부면이 상기 제2히팅블럭과 마주보게 수평이동하고 PCR플레이트(200)의 하부면에서는, 상기 항온플레이트의 제2영역이 수평이동한 후 제2히팅블록이 아래로 이동하여 접촉가압되어,상기 PCR플레이트(200)의 상하면에 동시 가온과 냉각이 이루어지도록 구동되는,중합효소 연쇄반응시스템.
- 청구항 10에 있어서,상기 항온플레이트(350)는,적어도 하나 이상의 개소에서 상기 항온플레이트의 온도를 센싱하는 온도센서(T1, T2)와 설정온도의 변화를 제어하는 제어모듈(Cp)을 포함하는 온도센서부(351);를 더 포함하는,중합효소 연쇄반응 시스템.
- 청구항 10에 있어서,상기 PCR플레이트(200)의 하부에 배치되어, 상기 반응웰에(W)서 증폭된 반응물의 농도를 다양한 파장대의 여기광과 해당형광을 스캐닝하는 스캐닝모듈(500)을 포함하는,중합효소연쇄반응시스템.
- 청구항 19에 있어서,상기 항온플레이트(350)에 상기 스캐닝모듈(500)의 검출광이 유도되는 광투과부(H)가 관통구조로 다수 마련되는,중합효소 연쇄반응 시스템.
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- 2020-04-09 US US17/602,665 patent/US20220176373A1/en active Pending
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CN113373043A (zh) * | 2021-06-09 | 2021-09-10 | 北京卓诚惠生生物科技股份有限公司 | 一种热裂解温度控制装置 |
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US20220176373A1 (en) | 2022-06-09 |
JP7497371B2 (ja) | 2024-06-10 |
BR112021020263A2 (pt) | 2021-12-07 |
EP3954458A4 (en) | 2022-06-15 |
JP2022528444A (ja) | 2022-06-10 |
KR20200120068A (ko) | 2020-10-21 |
CN113966388A (zh) | 2022-01-21 |
EP3954458A1 (en) | 2022-02-16 |
KR102256757B1 (ko) | 2021-05-27 |
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