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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0417108 (2012-03-09) |
| 등록번호 | US-9259734 (2016-02-16) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 19 인용 특허 : 641 |
The technology described herein generally relates to systems for extracting polynucleotides from multiple samples, particularly from biological samples, and additionally to systems that subsequently amplify and detect the extracted polynucleotides. The technology more particularly relates to microfl
The technology described herein generally relates to systems for extracting polynucleotides from multiple samples, particularly from biological samples, and additionally to systems that subsequently amplify and detect the extracted polynucleotides. The technology more particularly relates to microfluidic systems that carry out PCR on multiple samples of nucleotides of interest within microfluidic channels, and detect those nucleotides.
1. An apparatus configured to extract and amplify nucleic acid from a plurality of nucleic-acid containing samples, comprising: a rack comprising a plurality of lanes, each lane of the plurality of lanes comprising a first location configured to receive one of the plurality of samples, anda second l
1. An apparatus configured to extract and amplify nucleic acid from a plurality of nucleic-acid containing samples, comprising: a rack comprising a plurality of lanes, each lane of the plurality of lanes comprising a first location configured to receive one of the plurality of samples, anda second location configured to receive a reagent holder;an integrated separator and heater comprising a magnetic separator configured to move adjacent to one or more of the second locations of the rack; anda heater assembly comprising a plurality of independently controllable heater units, each heater unit shaped and sized to accept a single process chamber of a reagent holder, each heater unit configured to apply heat independently of any other heater unit in the heater assembly;a liquid dispenser movable from a first position above one of the first locations to a second position above one of the second locations; anda bay comprising at least one heat source and configured to receive a microfluidic cartridge comprising a plurality of lanes, the bay configured to interact with the cartridge to separately amplify nucleic acid extracted from the plurality of samples by applying heat to each lane individually. 2. The apparatus of claim 1, further comprising a reagent holder comprising a process chamber and one or more reagent receptacles received in each of the second locations. 3. The apparatus of claim 2, wherein the magnetic separator is configured to apply a magnetic force to contents of the process chamber of each holder. 4. The apparatus of claim 2, further comprising a processor configured to control heating functions of the heater assembly in conjunction with operation of the magnetic separator. 5. The apparatus of claim 1, wherein the liquid dispenser is movable from the second position above one of the second locations to a third position above the bay. 6. The apparatus of claim 1, further comprising a detection system comprising a light source configured to emit light in an absorption band of a fluorescent dye and a light detector configured to detect light in an emission band of the fluorescent dye. 7. The apparatus of claim 1, wherein the at least one heat source is configured to be thermally coupled to the microfluidic cartridge and configured to apply heat to one or more selected regions of the microfluidic cartridge at one or more selected times, in order to apply thermocycling operations sufficient to amplify the extracted nucleic acid. 8. The apparatus of claim 7, further comprising a processor configured to control applying heat to the one or more selected regions of the microfluidic cartridge at one or more selected times. 9. The apparatus of claim 1, wherein the at least one heat source comprises at least two contact heat sources, wherein the at least two contact heat sources are each configured to be independently thermally coupled to a different selected region of the microfluidic cartridge, whereby the different selected regions are independently heated. 10. The apparatus of claim 1, further comprising the microfluidic cartridge, wherein the microfluidic cartridge is configured to amplify nucleic acid by a method selected from the group consisting of: PCR; TMA; SDA; NASBA; LCR; and Rolling-Cycle Amplifications. 11. The apparatus of claim 1, wherein the apparatus is integrated into a single housing. 12. The apparatus of claim 1, wherein the plurality of samples are each independently selected from the group consisting of: saliva, urine, blood, semen, mucus, and spinal fluid. 13. The apparatus of claim 1, wherein the second location is configured to receive a removable reagent holder, each second location allowing removal of a reagent holder independent of any other second location. 14. A diagnostic apparatus, comprising: one or more racks, each configured to receive a number of samples and a corresponding number of holders, each holder configured to receive a process chamber and one or more receptacles configured to store reagents;an integrated separator and heater comprising a magnetic separator configured to move adjacent to the process chambers of a plurality of holders; anda heater assembly comprising a number of independently controllable heater units, each heater unit shaped and sized to accept one process chamber, each heater unit configured to apply heat independently of any other heater unit in the heater assembly;a liquid dispenser movable from a first position above a first holder to a second position above a second holder, and movable from the first position above the first holder to a different position above the first holder; andone or more bays, each bay having a shape complementary to a shape of a microfluidic cartridge having a plurality of channels, wherein each bay is configured to cooperate with the microfluidic cartridge to separately process a material extracted from the number of samples by applying heat to each channel individually. 15. The apparatus of claim 14, further comprising instructions for controlling heating functions of the heater assembly in conjunction with operation of the magnetic separator. 16. The apparatus of claim 14, wherein the material is nucleic acid, and wherein the apparatus further comprises the microfluidic cartridge received in one or more of the bays, the microfluidic cartridge comprising a number of inlets each of which is in fluid communication with one of the channels, wherein the microfluidic cartridge is configured to amplify the nucleic acid extracted from one of the number of samples. 17. The apparatus of claim 16, wherein the microfluidic cartridge further comprises one or more windows that permit detection of amplified nucleic acid, wherein the apparatus further comprising one or more detection systems positioned in proximity to the one or more windows. 18. The apparatus of claim 16, wherein the liquid dispenser is movable from a position above one of the holders to a position above one of the number of inlets. 19. The apparatus of claim 14, wherein the liquid dispenser is movable from a position above a holder to a position above the one or more bays. 20. The apparatus of claim 14, wherein the one or more bays comprise at least one heat source configured to be thermally coupled to the microfluidic cartridge and configured to apply heat to one or more selected regions of the microfluidic cartridge at one or more selected times, in order to apply a predetermined thermal program to the material. 21. The apparatus of claim 20, wherein the at least one heat source comprises at least two contact heat sources, wherein the at least two contact heat sources are each configured to be independently thermally coupled to a different selected region of the microfluidic cartridge, whereby the different selected regions are independently heated. 22. The apparatus of claim 14, wherein the one or more racks are each configured to receive a number of samples and a corresponding number of removable holders, the one or more racks allowing removal of each holder independent of any other holder.
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