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Dibenzorhodamine dyes

  • US 6,221,606 B1
  • Filed: 04/20/2000
  • Issued: 04/24/2001
  • Est. Priority Date: 11/25/1997
  • Status: Expired due to Term
First Claim
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1. An energy transfer dye comprising:

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

    an acceptor dye capable of absorbing the excitation energy emitted by the donor dye and fluorescing at a second wavelength in response; and

    a linker for linking the donor dye and the acceptor dye, the linker serving to facilitate the efficient transfer of energy between the donor dye and the acceptor dye;

    wherein at least one of the donor dye and acceptor dye is a dibenzorhodamine compound having the structure including nitrogen- and aryl-substituted forms thereof.

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