Table.

Physical Properties of Particles Formed at Each Stage of Preparation^*

	Diameter (nm)	Polydispersity	Zeta Potential (−mV)
DSCS NP	417 ± 12	0.079 ± 0.014	−46.4 ± 3.6
xNP	371 ± 14	0.041 ± 0.021	−50.0 ± 4.7
CNTF NP	338 ± 4	0.068 ± 0.023	−39.8 ± 1.3
OSM NP	317 ± 3	0.042 ± 0.015	−38.9 ± 0.7

^*Data are obtained from 10 to 12 separate preparations and presented as mean ± standard error of the mean.