Patent ID: 6340747
Filing Date: 2002-01-22
Classification: C07H,G01N

Abstract:
A fluorescent conjugate of a nucleoside or nucleotide, comprising:a ribo- or deoxyribo-nucleoside or -nucleotide which is native, chemically modified or conjugated with one or more labeling molecules, in which either: (a) at least one carbon atom of the ring or exocyclic nitrogen atom of the purine or pyrimidine ring or of the carbon atom of the pentofuranose unit is able to bond with a fluorescent marker; or (b) at least one carbon atom of the ring or exocyclic nitrogen atom of the purine or pyrimidine ring is able to bond with a fluorescent marker; and at least one fluorescent marker consisting of a rare earth cryptate bonded to said atom(s).