Figure 4. 3D gradient recalled echo images of the same mouse before and 4 h after injection of small magnetite antiretroviral therapy.
(A) Images before injection and (B) 4 h after injection. The signal from the liver is completely eliminated due to the accumulation of magnetite loaded small magnetite antiretroviral therapy.
K: Kidney; L: Lung; Lv: Liver; S: Spleen.