Figure 10.

(a) CT imaging in vivo of 4T1 tumor-bearing BALB/c mice before and after injection of Re NCs (reproduced with permission from Ref. [131], Copyright 2010, Royal Society of Chemistry); (b) CT images of mice before and 24 h after i.v. injection of ReS₂-PEG (reproduced with permission from Ref. [133], Copyright 2017, Wiley-VCH); (c) in vivo CT imaging before (pre) and after (post) i.t. injection with ReO₃ NCs (reproduced with permission from Ref. [137], Copyright 2018, Elsevier B.V.). CT, computed tomography; PEG, polyethylene glycol; NCs, nanoclusters.