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\bibitem{Reguera_etal2016} {\textquotedblleft}\textit{Synthesis of Janus plasmonic-magnetic, star-sphere nanoparticles, and their application in SERS detection}{\textquotedblright}. Reguera J, Jim{\'e}nez de Aberasturi D, Naomi Winckelmans N, Langer J, Bals S, Liz-Marzan LM, Faraday discussions \textbf{191}, 47 (2016).   http://doi.org/10.1039/C6FD00012F

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