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. 2016 Dec 12;6:38973. doi: 10.1038/srep38973

Figure 1.

Figure 1

(a) The chemical structure of paeonol extracted from the Chinese herb Paeonia moutan. The O atom is depicted in red, the C atom is in green and the H atom is in white. (b) The surface modification procedure on the PDMS surface with paeonol. (c) The size of the PDMS disks used in the study. (d) The wettability of the paeonol-coated PDMS surface with a series of paeonol concentrations. (e) The XPS measurement of the paeonol-coated PDMS surface.