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. Author manuscript; available in PMC: 2019 Mar 20.
Published in final edited form as: Acc Chem Res. 2018 Feb 28;51(3):778–788. doi: 10.1021/acs.accounts.7b00635

Figure 2.

Figure 2

(a) Schematic illustration of radiolabeling MSN with 64Cu via a chelator-based strategy. (b) TEM image of NOTA-MSN-PEG-TRC105 in PBS solution. (c) Digital photo (left) and a PET phantom image (right) of radiolabeled SiNPs in phosphate-buffered saline (PBS) solution. (d) In vivo CD105-targeted PET imaging of a tumor-bearing mouse. Reproduced with permission from ref 9. Copyright 2013 American Chemical Society.