<；P>；PROBLEM TO BE SOLVED: To provide a novel glycopeptide-bonded polymer usable for capturing influenza viruses. <；P>；SOLUTION: The glycopeptide-bonded polymer is prepared by covalently bonding an amino group of 11 glycodisialyloligopeptide having a structure of Neu5Ac&alpha；2-6LacNAc to a carboxylic group of a carboxylic group-containing polymer wherein the carboxylic group-containing polymer is at least one selected from the group consisting of alginic acid, hyaluronic acid, heparin, pectic acid, chondroitin, carboxymethyl chitin, polyacrylic acid, polymethacrylic acid, polyaspartic acid, polyglutamic acid, and polyether containing structure units represented by formulas (1) and (2). <；P>；COPYRIGHT: (C)2011,JPO&INPIT
