Figure 3
From: Intradermal delivery of STAT3 siRNA to treat melanoma via dissolving microneedles
Micrograph of the residual PEI/FAM-siRNA loaded dissolving microneedles observed with confocal laser scanning microscope. The microneedles were pierced into the rat skin for maintaining 1 min, 3 min, or 5 min, and then removed.
