Table 2.

Tissue distribution of ^99mTc-5-FU-Ab-NPs and 99mTc-5-FU-IgG-NPs in SCID mice bearing the transplanted human gastric carcinoma (n=6) (T/NT, ).

Tissues	Experimental group (2 h) ^99mTc-5-FU-Ab-NPs	Control group (2 h) ^99mTc-5-FU-IgG-NPs	Experiment group (6 h) ^99mTc-5-FU-Ab-NPs	Control group (6 h) ^99mTc-5-FU-IgG-NPs
Blood	*1.36 ± 0.83^{^}**	0.88 ± 0.26	*2.87 ± 0.56^{^}**	1.03 ± 0.32
Liver	*1.45 ± 0.79^{^}**	0.93 ± 0.34	*2.81 ± 0.65^{^}**	1.12 ± 0.36
Spleen	*1.62 ± 0.81^{^}**	0.72 ± 0.28	*2.58 ± 0.71^{^}**	0.72± 0.22
Kidney	*1.53 ± 0.83^{^}**	0.79 ± 0.33	*1.86 ±0.36^{^}**	0.76 ± 0.24
Heart	*1.47 ± 0.92^{^}**	0.86 ± 0.19	*2.06 ± 0.57^{^}**	0.96 ±0.15