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. 2014 Sep 5;4:6266. doi: 10.1038/srep06266

Figure 2.

Figure 2

Calcite crystal morphologies induced by 51 μM peptoids solutions of: (a) Pep-1 [the inserts are a SEM image and a schematic view of the twisted triangle prism calcite crystal], (b) Pep-2, (c) Pep-3 [the insert is a schematic view of the rhombohedral calcite crystal], (d) Pep-4 and (e) Pep-5. (f) Reverse phase HPLC data shows the relative peptoid hydrophobicities, where longer retention time indicates higher hydrophobicity (5–95% CH3CN in H2O at 1 mL/min flow rate; detailed HPLC conditions are provided in the Supporting Information).