358782.fig.004a
(a)
358782.fig.004b
(b)
358782.fig.004c
(c)
358782.fig.004d
(d)
Figure 4: size distribution and AFM images of NLCs of PTX (a) size distribution of NLCs before freeze drying, (b) size distribution of NLCs after freeze drying, (c) AFM image of NLCs before freeze drying, and (d) AFM image of NLCs after freeze drying.