. Author manuscript; available in PMC: 2014 Oct 7.

Published in final edited form as: Mol Pharm. 2013 Sep 11;10(10):10.1021/mp400360q. doi: 10.1021/mp400360q

Table 1.

Characterization of D-based MNPs and H-based MNPs. “N/A” means measurement was not carried out.

MNP	Size distribution (nm)	Zeta Potential (mV)	[NH2] (nmol/mg Fe)	[PEG] μg/mg Fe	PEG/MNP (molecules/particle)	[Heparin] μg/mg Fe
D	104.7 ± 1.7	−4.4 ± 0.5	N/A	N/A	N/A	N/A
DN	136.3 ± 5.5	38.9 ± 3.2	278.1 ± 34.2	N/A	N/A	N/A
DNP	165.1 ± 8.2	23.8 ± 2.7	276.8 ± 31.1	25.6 ± 5.8	437 ± 97	N/A
DNPH	168.8 ± 9.9	−2.1 ± 0.7	N/A	N/D	N/D	35.4 ± 4.3
H	105.1 ± 2.2	−38.8 ± 3.3	N/A	N/A	N/A	N/D
HP	145.1 ± 7.9	−23.1 ± 3.7	N/A	24.6 ± 4.4	413	102.6 ± 3.5

“N/A”, not applicable; “N/D”, not determined.