Method and device for isolating and purifying double-stranded nucleic acids
First Claim
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1. A chromatographic device for isolating and/or purifying double-stranded nucleic acids, comprising:
- (1) a base body,(2) at least one cavity within the base body, which cavity is provided with an inlet and an outlet, and(3) a stationary phase situated in the cavity, wherein the stationary phase comprises;
(a) a size-exclusion chromatography medium for isolating and/or purifying double-stranded nucleic acids, wherein the size-exclusion chromatography medium comprises at least one porous chromatography resin having pores sufficiently small to disallow a double-stranded nucleic acid of more than 100 bp to enter, and(b) immobilized metal ions, and(4) a porous filter, a porous frit or a membrane that is arranged between the outlet of the cavity and the stationary phase and retains the stationary phase in the cavity.
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Abstract
The invention relates to a chromatographic device for isolating and/or purifying double-stranded nucleic acids, preferably double-stranded DNA, from a mixture of such nucleic acids with single-stranded nucleic acids, oligonucleotides, mononucleotides, salts and/or other such impurities. The invention also relates to a method for chromatographically isolating and/or purifying same, and to a kit for this purpose.
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36 Claims
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1. A chromatographic device for isolating and/or purifying double-stranded nucleic acids, comprising:
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(1) a base body, (2) at least one cavity within the base body, which cavity is provided with an inlet and an outlet, and (3) a stationary phase situated in the cavity, wherein the stationary phase comprises; (a) a size-exclusion chromatography medium for isolating and/or purifying double-stranded nucleic acids, wherein the size-exclusion chromatography medium comprises at least one porous chromatography resin having pores sufficiently small to disallow a double-stranded nucleic acid of more than 100 bp to enter, and (b) immobilized metal ions, and (4) a porous filter, a porous frit or a membrane that is arranged between the outlet of the cavity and the stationary phase and retains the stationary phase in the cavity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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Specification