Controlled Release of Ropivacaine from Single-Armed (1-PCL) and Four-Armed PCL (4-PCL) Microspheres

<div>Cytotoxicity of ropivacaine-loaded PCL microspheres to L929 cells (CCK-8 test).</div>

International Journal of Polymer Science

Figure 7: Controlled Release of Ropivacaine from Single-Armed (1-PCL) and Four-Armed PCL (4-PCL) Microspheres 