the gold nanoparticle with antibodies conjugated

3d rendering antibiotics antibodies antibody antibody molecule bioengineering bioluminescence bioluminescent biomedicine biosensor biotechnology close conjugate conjugated conjugation covalent delivery drug drugs gold golden isolated ligand ligands link linkers medicine molecular molecular structure molecules monoclonal nanomedicine nanoparticles nanotech nanotechnology particle particles peptide peptides polymer polymeric protein science specific sphere system targeting