Description
PCL(10k)-PEG(2k)-COOH is a bioconjugation amphiphilic polymer containing a hydrophobic polycaprolactone (PCL) block, a hydrophilic PEG block and a carboxylic acid terminal. The carboxylic acid group reacts with amine molecule, such as protein or peptide, in the presence of activating agent (HATU or EDC).