Figure 7

(a–d) Morphology of calcite crystals grown in the presence of peptoid solutions of: (a) 51 μM Pep-23, (b) 146 μM Pep-23, (c, d) Overgrown calcite crystals induced by (c) 51 μM solutions of Pep-23 and (d) 146 μM solutions of Pep-23. Some calcite {104}, (110) and (01l) faces are labeled in white.