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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Adv Drug Deliv Rev. 2016 May 3;105(Pt B):109–144. doi: 10.1016/j.addr.2016.04.028

Figure 9.

Figure 9

(A) Schematic illustrating structural depiction of few layered graphene (FLG), FLG-COOH and FLG-PEG. (B) Real time in vivo biodistribution of 99Tc labeled FLG, FLG-COOH, FLG-PEG, signal accrued for 24 hours. Adapted from Reference [96] with permission, copyright © Elsevier, 2015.