PCR compatible nucleic acid sieving medium
First Claim
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1. A microfluidic device for performing PCR and nucleic acid separations, the device comprising at least one microscale channel and a sieving medium, which sieving medium is disposed within the at least one microscale channel and comprises a polymer solution, which polymer solution comprises less than about 0.5% polymer.
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Abstract
Sieving mediums comprising less than about 0.5% polymer, less than about 0.4% polymer, and 0.35% polymer or less are used to perform nucleic acid separations and PCR. The low polymer concentration does not inhibit PCR reactions and is sufficient for performing nucleic acids separations. Microfluidic devices are used to perform nucleic acids separations and PCR reactions in the sieving mediums described.
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35 Claims
- 1. A microfluidic device for performing PCR and nucleic acid separations, the device comprising at least one microscale channel and a sieving medium, which sieving medium is disposed within the at least one microscale channel and comprises a polymer solution, which polymer solution comprises less than about 0.5% polymer.
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9. A method of separating polynucleotides, the method comprising:
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(i) providing two or more polynucleotides;
(ii) providing a sieving medium, which sieving medium comprises a polymer solution, which polymer solution comprises less than about 0.5% polymer;
(iii) allowing the two or more polynucleotides to migrate through the sieving medium, thereby separating the two or more polynucleotides. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of performing PCR and separating one or more PCR products, the method comprising:
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(i) mixing one or more PCR reaction components with a sieving medium to provide a PCR sieving medium, wherein the sieving medium comprises a polymer solution, which polymer solution comprises less than about 0.5% polymer; and
(ii) thermocycling the PCR sieving medium to produce one or more PCR products; and
,(iii) separating the one or more PCR products by flowing the one or more PCR products through the sieving medium. - View Dependent Claims (19, 20, 21, 22, 24, 25, 26, 27)
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- 28. A nucleic acid sieving medium, which medium comprises one or more polynucleotides, one or more PCR reagents, and a polymer solution, which polymer solution comprises less than about 0.5% polymer.
Specification