POSITIVELY CHARGED AMPHIPHILIC BLOCK COPOLYMER AS DRUG CARRIER AND COMPLEX THEREOF WITH NEGATIVELY CHARGED DRUG

摘要

The present invention provides a cationic group-containing amphiphilic blockcopolymer that is biocompatible andbiodegradable, and when used as a drug carrier for an anionic drug, providesseveral advantages such as increased blood concentrationand improved stability of the drug.