| abstract |
Provided is a peptide capable of adsorbing IgG-type antibodies with high adsorption capacity and high selectivity. A peptide having a specific amino acid sequence having a helix, loop, and helix structure, an IgG type antibody adsorbent immobilized on a water-insoluble carrier using the peptide as a ligand for binding an IgG type antibody, and the adsorbent A filled IgG type antibody adsorber and a body fluid purification device including the adsorber. [Selection] Figure 1 |