The Use of Radioactive Marker as a Tool to Evaluate the Drug Release in Plasma and Particle Biodistribution of Block Copolymer Nanoparticles

Table 2

Component weight ratios of formulations of Propac 7. Diameter of particles is the volume weighted average diameter and Zave of the diameter.

Formulation	w/w/w	Diameter nm	Zave nm
Propac 7/POPC/PS	1 : 1 : 4	20.9	23.8
Propac 7/POPC/PS	1 : 1 : 2	26.6	31.2
Propac 7/POPC/PS	1 : 1 : 1	34.9	40.5
Propac 7/POPC/PS	2 : 2 : 1	43.6	54.8