Figure 1.
TEM images of (A) COOH-AuNRs, (B) TREG-SPIONs, (C) a reaction mixture of COOH-AuNRs and TREG-SPIONs showing SPION-AuNR formation, and (D) a reaction mixture of mPEG-AuNRs and TREG-SPIONs. The scale bar in each image represents 50 nm.
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