Table 1.

Effects of Intralipid on the iron concentrations in blood monocytes after injection of iron-oxide particles.

Pre-Treatment	Iron-Oxide Particles	Duration after Particle Injection	Iron Concentration (pg Fe/Monocyte)
PBS	PBS	20 min	0.04 ± 0.02
PBS	USPIO-NH2-FITC	48 hr	0.28 ± 0.07
Intralipid	USPIO-NH2-FITC	48 hr	0.22 ± 0.07
PBS	MPIO	20 min	0.82 ± 0.12
Intralipid	MPIO	20 min	2.60 ± 0.37
PBS	MPIO	48 hr	1.21 ± 0.15
Intralipid	MPIO	48 hr	2.92 ± 0.09