Table 1.

Physical properties of nanoparticle suspensions.

Coating (Lot)	c(Fe) [mg/ml]	Z(Avg) [nm] in H2O	P.I. in H2O	Z(Avg) [nm] in PBS	P.I. in PBS
Uncoated (Citrate-stabilized) [90805]	35.3	77	0.179	1206	1.000
CM-dextran [5170945]	15.7	240	0.211	211	0.180
PEG-PEI [5100945]	30.7	230	0.162	219	0.202
Methoxy-PEG-phosphate + Rutin [5230945]	21.2	79	0.145	296	0.324
Dextran[5110945]	10.9	73	0.147	74	0.106