Fig. 1From: Dual functional β-peptide polymer-modified resin beads for bacterial killing and endotoxin adsorptionSynthesis of β-peptide polymer-modified PA beads. a The 20-mer 50:50 DM-CH was attached to the amino layer surface of the beads through the link with MalOSu. b XPS spectra of β-peptide polymer-modified PA beads. c Preparation process of β-peptide polymer-modified PA beads using the apparatus of solid-phase synthesisBack to article page