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\bibitem{Polavarapu_etal2016} {\textquotedblleft}\textit{Galvanic Replacement Coupled to Seeded Growth as a Route for Shape-Controlled Synthesis of Plasmonic Nanorattles}{\textquotedblright}. Polavarapu L, Zanaga D, Altantzis T, Rodal-Cedeira S, Pastoriza-Santos I, P{\'e}rez-Juste J, Bals S, Liz-Marz{\'a}n LM, Journal of the American Chemical Society \textbf{138}, 11453 (2016).   http://doi.org/10.1021/jacs.6b06706

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