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Energy transfer dyes with enhanced fluorescence

  • US 20050069912A1
  • Filed: 02/26/2004
  • Published: 03/31/2005
  • Est. Priority Date: 05/03/1996
  • Status: Active Grant
First Claim
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1. An energy transfer dye comprising:

  • a xanthene donor dye capable of absorbing light at a first wavelength and emitting excitation energy in response thereto;

    a 4,7-dichlororhodamine acceptor dye capable of absorbing the excitation energy emitted by the donor dye and fluorescing at a second wavelength in response thereto; and

    a non-nucleosidic linker linking the 5- or 6-ring position of the donor dye to the 5- or 6-ring position of the acceptor dye.

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