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. 2017 Nov 2;12(11):e0186877. doi: 10.1371/journal.pone.0186877

Fig 1. Spherical shape and surface morphology of the PDMS and PDA-PDMS microspheres.

Fig 1

Optical microscopy (A, B) and SEM images (C, D) of PDMS (A, C) and PDA-PDMS microspheres(B, D). The insets are magnified SEM images of the surface of the PDMS and PDA-PDMS microspheres.