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. Author manuscript; available in PMC: 2017 Jan 20.
Published in final edited form as: J Mater Chem B. 2015 Dec 7;4(3):513–520. doi: 10.1039/C5TB02243F

Fig. 5.

Fig. 5

CT images of PC-3, NB1691 and M21 cell pellet phantoms. Cells were treated with (+) or without (−) HGNPs (5 nM) in cell culture medium for 12 hr. Unbound HGNPs were removed by rigorous washing, three times with PBS.