Charge tags and the separation of nucleic acid molecules
First Claim
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1. A method of separating oligonucleotides, comprising the steps of:
- a) treating a plurality of charge-balanced oligonucleotides, each containing a different charge tag, under conditions such that two or more charge-unbalanced oligonucleotides containing different charge tags are produced, wherein said charge-unbalanced oligonucleotides are contained in a reaction mixture; and
b) separating said charge-unbalanced oligonucleotides from said reaction mixture.
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Abstract
The present invention relates to novel phosphoramidites, including positive and neutrally charged compounds. The present invention also provides charge tags for attachment to materials including solid supports and nucleic acids, wherein the charge tags increase or decrease the net charge of the material. The present invention further provides methods for separating and characterizing molecules based on the charge differentials between modified and unmodified materials.
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Citations
14 Claims
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1. A method of separating oligonucleotides, comprising the steps of:
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a) treating a plurality of charge-balanced oligonucleotides, each containing a different charge tag, under conditions such that two or more charge-unbalanced oligonucleotides containing different charge tags are produced, wherein said charge-unbalanced oligonucleotides are contained in a reaction mixture; and b) separating said charge-unbalanced oligonucleotides from said reaction mixture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification