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Directly injected AuNPs are largely found in the edema surrounding the tumor cells in peritumor region but not in and around the tumor cells themselves.
Notes: (A and C) Left hemisphere and (B and D) left hemisphere, gold enhanced. (A–C) mCherry red (tumor, red), anti-albumin (edema, green), DAPI (nuclei, blue), and anti-CD31 (blood vessels, white) and (B and D) gold enhanced (gold stained, black).
Abbreviations: AuNPs, gold nanoparticles; CD31, cluster of differentiation 31.
