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. 2019 Mar 15;12(6):866. doi: 10.3390/ma12060866

Figure 2.

Figure 2

Surface characterization by scanning electron microscopy: (a) bioactive macroporous TiOB® (TiOB® control); (b) TiOB® functionalized with gentamicin-tannic acid (TiOB® gta); (c) TiOB® functionalized with silver nanoparticles (TiOB® SiOx Ag); (d) TiOB® functionalized with ionic zinc (TiOB® Zn).