Patent ID: 7439043

Claim:
A modified galactosyl nucleotide having a formula selected from: wherein X, Y, Z and A are independently selected from O, NR, S and CH 2 ; Q is a member selected from O, NR′, and S, wherein R and R′ are members independently selected from H, an acetyl group, a linear or branched poly(alkylene oxide) moiety, and a linker joined to a linear or branched poly(alkylene oxide) moiety; R 1 , R 2 , R 3 and R 4 are members independently selected from H, an acetyl group, a linear or branched poly alkylene oxide) moiety, and a linker joined to a linear or branched poly(alkylene oxide) moiety; and i + is a member selected from a proton and a cation, with the proviso that at least one of R, R′, R 1 , R 2 , R 3 and R 4 is a member selected from said poly(alkylene oxide) moiety, and a linker to said poly alkylene oxide) moiety.