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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Nano Lett. 2010 Jan;10(1):85–91. doi: 10.1021/nl902865v

Figure 1.

Figure 1

Magnetic-core gold-shell nanoparticle synthesis scheme. Amphiphilic diblock copolymers were designed with a dodecyl hydrocarbon tail (black), an amine-containing reducer (ACR) block (red), and a thermally-responsive homo-pNIPAAm block (blue). These polymers form micelles, which are used as nanoscale reactors for magnetic nanoparticle (mNP) synthesis from iron pentacarbonyl precursors. The mNPs retain the DMAEAm reducing moieties at the nanoparticle surface, allowing for subsequent reduction and formation of a gold shell on the mNP core.