Figure 2.

Scanning electron microscopic images of PLA-Dtx (a), PLGA-Dtx (b), PLA-PCL-Dtx (c), and PLGA-PCL-Dtx-loaded NPs (d).

Sanna et al. Nanoscale Research Letters 2011 6:260   doi:10.1186/1556-276X-6-260
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