Research / 2020 / Article / Fig 6

Research Article

Hierarchical Capillary Coating to Biofunctionlize Drug-Eluting Stent for Improving Endothelium Regeneration

Figure 6

Construction of hierarchical coating onto the stents: SEM micrographs of BSs (a), RESs (b), and VRSs (c). (d) Digital photo of BSs (left) and VRSs (right). Fluorescence micrographs (e) and confocal scanning (f) of VRSs after loading of PLL-FITC.