Table 1. Mean diameters (nm) evaluated by Scanning Electron Microscopy (SEM) and Photon Correlation Spectroscopy (PCS) (PDI in parentheses); SEM pictures were elaborated by using the ImageJ software.

	SEM	PCS
MIPs	147.4 ± 17.4	151.9 (0.020)
CPs	131.4 ± 32.6	127.9 (0.162)