FIG 1. Scanning electron-microscopic appearances of surface of a standard coil (A) and a protein-coated ion-implanted coil (B) (original magnification, x1500). Note crater-like appearance of ion-beam bombardment on protein-coated coil surface.
FIG 1. Scanning electron-microscopic appearances of surface of a standard coil (A) and a protein-coated ion-implanted coil (B) (original magnification, x1500). Note crater-like appearance of ion-beam bombardment on protein-coated coil surface.