Hydrazino, oxyamino and carbonyl-based monomers and methods for incorporation into oligonucleotides during enzymatic synthesis are provided. Modified oligonucleotides are provided that incorporate the monomers provided herein. Immobilized oligonucleotides and oligonucleotide conjugates that contain covalent...http://www.google.de/patents/US7999098?utm_source=gb-gplus-sharePatent US7999098 - Triphosphate oligonucleotide modification reagents and uses thereof