Skip to main content
. 2021 Jan 18;22(2):903. doi: 10.3390/ijms22020903

Figure 2.

Figure 2

Peptides and aptamers are targeting moieties used to deliver drugs to bones through carriers that transit or infiltrate the blood stream and come out after targeting. The delivered drugs are metabolized owing to a pH media variation or via matrix metalloproteinases (MMP) and enzymes [48].