Figure 2From: Analysis of human alveolar osteoblast behavior on a nano-hydroxyapatite substrate: an in vitro study Scanning microscopy. (A) Electron microscopy image of the polylysine (POL) substrates. (B) Atomic force microscopy of POL/nanohydroxyapatite. (C) Scanning electron microscopy. (D) Atomic force microscopy of POL/nanohydroxyapatite (POL/nHA).Back to article page