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Representative TEM images of nanoparticle compositions. (A) Gold nanoparticles (AuNPs) were formed by mixing the ACR-dB (Mn 7.2 kDa) with HAuCl4 in deionized water. (B) Magnetic nanoparticles (mNPs) were synthesized from Fe(CO)5 and ACR-dB (Mn 16 kDa) in tetraglyme. (C) Magnetic-core / gold-shell nanoparticles (Au-mNPs) were formed through aqueous reaction of mNPs (7.2 kDa) with KAuCl4.
