Patent ID: 6967250

Claim:
A compound of the formula: wherein n1, n2, and n3 are chains of linked atoms wherein the atoms are selected from the group consisting of carbon, oxygen, phosphorus, nitrogen and sulfur; T is a biological molecule selected from the group consisting of antigens, drugs, peptides, polypeptides, proteins, nucleic acid molecules, nucleotides, dideoxynucleotides, ribonucleic acids, deoxyribonucleic acids, carbohydrates, lipids, antibodies, peptide nucleic acids, and locked nucleic acids, DYE #1 is a first dye moiety suitable as an acceptor or donor in an energy transfer arrangement, DYE #2 is a second dye moiety suitable as a donor or acceptor in an energy transfer arrangement with DYE #1, and DYE #1 and DYE #2 are in an energy transfer arrangement.