Table S2.

Biodistribution of ⁸⁹Zr-FA-DFO-liposome, ⁸⁹Zr-DFO-liposome, and ⁸⁹Zr-DFO in KB tumor xenograft-bearing CD1 nude mice (n=3) at 48 h post-i.v. injection and ⁸⁹Zr-PEG-DFO-liposome in healthy CD1 mice (n=3) at 48 h post-i.v. injection expressed as % ID/g

Organ	89Zr-FA-DFO-liposome (n=3)	89Zr-DFO-liposome (n=3)	89Zr-DFO (n=3)	89Zr-PEG-DFO-liposome (n=3)
Blood	0.087±0.103	0.146±0.079	N/A	0.137±0.120
Liver	0.570±0.226	1.083±0.559	0.201±0.054	0.520±0.162
Heart	0.093±0.073	0.215±0.099	0.018±0.005	0.156±0.090
Kidney	3.926±2.898	1.321±0.117	2.054±0.275	4.872±2.161
Colon	0.105±0.065	0.526±0.700	0.204±0.154	0.309±0.206
Lung	0.203±0.142	0.328±0.112	0.209±0.231	0.142±0.067
Muscle	0.051±0.042	0.093±0.037	0.058±0.037	0.063±0.018
Spleen	0.377±0.227	1.639±0.141	0.050±0.006	0.445±0.262
Stomach	0.120±0.092	0.203±0.090	0.169±0.078	0.391±0.311
Bone	2.516±1.704	10.857±5.283	0.121±0.035	2.198±0.473
Small intestine	0.105±0.067	0.144±0.055	0.126±0.073	0.283±0.191
Tumor	0.588±0.518	1.533±0.552	0.069±0.019	N/A

Note: Data presented as mean ± standard deviation.

Abbreviations: FA, folic acid; DFO, deferoxamine; i.v., intravenous; PEG, polyethylene glycol; ID, injected dose; N/A, not available.