Figure 4

Biodistribution of 99mTc-HYNIC-lys(Cy5.5)-PEG4-biotin in nude mice bearing LS180 colon tumors.
(A) Biodistribution of the probe at 1 h, 2 h and 4 h p.i. (B) Biodistribution of the probe with or without pretargeted avidin.
Biodistribution of 99mTc-HYNIC-lys(Cy5.5)-PEG4-biotin in nude mice bearing LS180 colon tumors.
(A) Biodistribution of the probe at 1 h, 2 h and 4 h p.i. (B) Biodistribution of the probe with or without pretargeted avidin.