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Methods for separating oligonucleotides

  • US 20030153741A1
  • Filed: 02/08/2002
  • Published: 08/14/2003
  • Est. Priority Date: 02/08/2002
  • Status: Abandoned Application
First Claim
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1. A method for separating oligonucleotides, said method comprising:

  • a) providing a plurality of oligonucleotides, said plurality of oligonucleotides comprising at least one bifunctional oligonucleotide and at least one non-bifunctional oligonucleotide, wherein each said at least one bifunctional oligonucleotide comprises a first separation tag attached to a first end of said at least one bifunctional oligonucleotide and a second separation tag attached to a second end of said at least one bifunctional oligonucleotide, and wherein cleavage of said first or said second separation tags yields an oligonucleotide having a 3′

    hydroxyl moiety;

    b) contacting said plurality of oligonucleotides with a separation medium under conditions effective for adhering said at least one bifunctional oligonucleotide to said separation medium; and

    c) selectively eluting at least one non-bifunctional oligonucleotide.

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