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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Nanomedicine. 2014 Jun 3;10(8):1609–1617. doi: 10.1016/j.nano.2014.05.006

Figure 4.

Figure 4

Convection-enhanced delivery of AuNPs. (A): Before injection; (B): 20 minutes into injection; (C): 24 hours after injection of lipoic acid AuNPs (B,C) which remain confined to the tumor region. (D): 24 hours after injection of PEG-AuNPs which do not remain confined to the tumor region. (E): Red color of 15 nm AuNPs. (F): Treated mouse leg 250 days later.