Patent ID: 7754893
Filing Date: 2010-07-13
Classification: C07D,C09B,G01N,Y10T

Abstract:
1. A conjugate of a biological substance prepared from dye I and its biological salts, wherein C is a non-conjugated chain of 10-50 linear atoms selected from the group consisting of carbon and nitrogen that are further substituted by a hydrogen, an alkyl having 1-20 carbons, a hydroxyl, and a carbonyl; X is CR n is 0 or 3; R R RGM is a carboxylic acid, an activated ester of a carboxylic acid, an acyl azide, an acyl nitrile, an imido ester, an isocyanate, an isothiocyanate, or a maleimide; and wherein the biological substance is selected from a group consisting of a peptide, protein, nucleotide, nucleic acid, carbohydrate, lipid, membrane or cell.