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(A) Ex vivo imaging of different organs after administration, and the corresponding semiquantitative results at 24 hours (B), 48 hours (C) and 72 hours (D) (n=3).
Abbreviations: NPs, nanoparticles; CREKA, cysteine–arginine–glutamic acid–lysine–alanine; TNPs, CREKA-conjugated NPs.
