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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Curr Mol Med. 2013 Dec;13(10):1633–1645. doi: 10.2174/1566524013666131111130058

Fig. (3).

Fig. (3)

Targeted optical imaging with green fluorescent ZnO nanowires (NWs). A. A schematic structure of RGD peptide conjugated ZnO NWs. PEG denotes polyethylene glycol. B. Fluorescence imaging of integrin αvβ3 on U87MG human glioblastoma cells with NW-PEG-RGD. Magnification: 200×. C. Representatives positron emission tomography images of 64Cu-labeled non-targeted ZnO NWs at 20 min and 20 h postinjection into female Balb/c mice. Adapted from [44].