Skip to main content
. 2017 Nov 10;7:15333. doi: 10.1038/s41598-017-15550-y

Figure 2.

Figure 2

Morphology of the SnO2 hollow nanotubes. SEM images (a,c) before and (b,d) after enzyme immobilization. TEM images (e) before and (f) after enzyme immobilization.