Table 2. Characterization of Gem-P(MMA-co-MPDL) and Gem-digly-P(MMA-co-MPDL) nanoparticles.

Prodrug	D z a (nm)	PSD a	ζ b (mV)	% Gem c (wt%)
P4	196	0.09	–55	2.0
P5	162	0.10	–57	2.6
P6	174	0.09	–55	2.5
P4d	109	0.13	–37	1.7
P5d	110	0.11	–38	2.1
P6d	117	0.10	–46	2.4

^aDetermined by DLS.

^bZeta potential, determined using the DLS apparatus.

^cDetermined according to: % Gem = M_w,Gem/M_n,SEC.