Fig. 4From: Dual functional β-peptide polymer-modified resin beads for bacterial killing and endotoxin adsorptionBiocompatibility studies on PA resin beads. a Hemolysis rate of bare beads, linker-modified beads, and polymer-modified beads. TBS and TX-100 were used as negative and positive controls, respectively. b Cytotoxicity of NIH-3T3 fibroblast cells after incubation with the extracts of bare beads and polymer-modified beads using MTT assay. **p < 0.01Back to article page