Fig. 2From: Preparation of HCPT-Loaded Nanoneedles with Pointed Ends for Highly Efficient Cancer ChemotherapyThe SEM images and TEM images. a SEM image of the NDs. b TEM image of the NDs. And, SEM images of the NDs, when the ratio of HCPT to PEG-b-PLGA was 1:5 (c), 1:1 (d), and 2:1 (e)Back to article page