The invention provides systems, devices, methods, and kits for performing an integrated analysis. The integrated analysis can include sample processing, library construction, amplification, and sequencing. The integrated analysis can be performed within one or more modules that are fluidically conne
The invention provides systems, devices, methods, and kits for performing an integrated analysis. The integrated analysis can include sample processing, library construction, amplification, and sequencing. The integrated analysis can be performed within one or more modules that are fluidically connected to each other. The one or more modules can be controlled and/or automated by a computer. The integrated analysis can be performed on a tissue sample, a clinical sample, or an environmental sample. The integrated analysis system can have a compact format and return results within a designated period of time.
대표청구항▼
1. A method, comprising: (a) providing a microfluidic apparatus comprising: (i) a valve array comprising a series of N valves connected through unbranched fluidic connections, the series comprising, in order, a first terminal valve, at least three intermediate valves and a second terminal valve;(ii)
1. A method, comprising: (a) providing a microfluidic apparatus comprising: (i) a valve array comprising a series of N valves connected through unbranched fluidic connections, the series comprising, in order, a first terminal valve, at least three intermediate valves and a second terminal valve;(ii) at least one first port, each first port fluidically connected through a separate control valve to the first terminal valve; and(iii) at least one second port, each second port fluidically connected through a separate control valve to the second terminal valve;and wherein the terminal valves and intermediate valves are diaphragm valves each comprising a valve chamber; and(b) performing a biochemical reaction by: introducing a target sample from one of the ports into a valve chamber of a first diaphragm valve in the series;introducing a first reagent from one of the ports into a valve chamber of a second diaphragm valve in the series adjacent to the first diaphragm valve in the series; andmixing said target sample and said first reagent within said microfluidic apparatus to form a mixed reaction, wherein said mixing comprises moving both said first reagent and said target sample from said valve chambers of the first and second diaphragm valves in the series to a chamber of at least a third diaphragm valve of the series and flowing at least one of said first reagent and said target sample in the valve series in a forward and in a reverse direction; andallowing a biochemical reaction to occur to form a product solution. 2. The method of claim 1, further comprising: (c) separating a component of said product solution from the rest of said product solution by: introducing a solid substrate into a valve chamber of a diaphragm valve in the series, wherein said solid substrate binds said component;mixing said product solution with said solid substrate such that the component binds to said solid substrate;immobilizing the solid substrate in a valve chamber of a diaphragm valve in the series; andmoving said product solution from said valve chamber such that said solid substrate remains in said valve chamber, and wherein said component remains bound to said solid substrate. 3. The method of claim 2, further comprising: (d) separating bound component from said solid substrate by: contacting said bound component in a valve chamber of a diaphragm valve in the series with an elution solution to elute said component from said solid substrate to produce an eluted reaction product; andmoving the eluted reaction product into a valve chamber of a diaphragm valve in the series that is different from that holding the immobilized solid substrate. 4. The method of claim 3, further comprising removing the eluted component from the array through one of the ports. 5. The method of claim 3, further comprising: (e) performing a second biochemical reaction by: introducing a second reagent from one of the ports into a valve chamber of a diaphragm valve in the series adjacent to the valve chamber holding the reaction product; andmixing said reaction product and said second reagent within said microfluidic apparatus to form a mixed reaction, wherein said mixing comprises moving both said reaction product and said second reagent from their respective valve chambers to a valve chamber of at least a third diaphragm valve in the series and flowing at least one of said reaction product and said second reagent in the valve series in a forward and in a reverse direction; andallowing a biochemical reaction to occur to form a second product solution;(f) separating a second component of said second product solution from the rest of said second product solution by: introducing a solid substrate into a valve chamber of a diaphragm valve in the series, wherein said solid substrate binds said second component;mixing said second product solution with said solid substrate such that the component binds to said solid substrate;immobilizing the solid substrate in a valve chamber of a diaphragm valve in the series; andmoving said second product solution from said valve chamber such that said solid substrate remains in said valve chamber, and wherein said second component remains bound to said solid substrate; and(g) separating bound second component from said solid substrate by: contacting said bound second component in a valve chamber of a diaphragm valve in the series with an elution solution to elute said second component from said solid substrate to produce an eluted second reaction product; andmoving the second reaction product into a valve chamber of a diaphragm valve in the series that is different from that holding the immobilized solid substrate. 6. The method of claim 5, further comprising: (h) repeating steps (e), (f) and (g) at least once using a different reagent each time. 7. The method of claim 5 wherein the target sample comprises a polynucleotide and the biochemical reactions comprise end repair, A-tailing, and adapter ligation. 8. The method of claim 2, wherein said solid substrate is a magnetic particle. 9. The method of claim 2, wherein said component comprises a polynucleotide or a polypeptide. 10. The method of claim 2, wherein said component binds said solid substrate through an affinity interaction, a charge interaction or a hydrophobic interaction. 11. The method of claim 1, wherein the biochemical reaction is selected from the group consisting of cell lysis, cDNA synthesis, end repair, addition of a vector, A-tailing, ligation, exonuclease digestion, endonuclease digestion, chemical modification, chemical fragmentation, heat inactivation, PCR, RCA, real-time PCR, real-time RCA and immunocapture. 12. The method of claim 1, wherein the target sample is introduced into the first valve chamber of the first diaphragm valve in the series from one of said first ports and the first reagent is introduced into the valve chamber of the second diaphragm valve in the series from one of said second ports. 13. The method of claim 1, further comprising introducing a second reagent from one of the ports into a valve chamber adjacent the valve chamber holding the mixed reaction, and mixing said third second reagent with said mixed reaction to form a second mixed reaction. 14. The method of claim 1, further comprising removing the product solution from the array through one of the ports. 15. The method of claim 1, wherein said at least one first port and said at least one second port comprise at least N+1 first and second ports. 16. The method of claim 15 comprising loading N reagents the N+1 first and second ports, wherein one of the N reagents comprises the target sample. 17. The method of claim 1 wherein each terminal valve in the series is connected to a rail, each rail fed by a plurality of ports.
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