The MR image above shows the image of a lymph node (black arrow) before and after the adminstration of a dendritic drug (indicated by the white arrow).
The dendrimer drug will not be visible in the MR image by itself, but SPIO nanoparticles allow the drug's accuracy to be evaluated.
The image on the right shows that the drug has not precisely located the lymph node.
Sources: Alper, Joe. "Nanotechnology Driving Big Advances in Cancer Imaging." April 2006. NCI Alliance for Nanotechnology in Cancer. www.nano.cancer.gov/news_center/monthly_feature_2006_apr
Image: courtesy Jolanda de Vries, Ph.D., Radboud University Nijmegen Medical Center, Nijmegen Center for the Molecular Life Sciences
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