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\bibitem{LaPorta_etal2015} {\textquotedblleft}\textit{Multifunctional self-assembled composite colloids and their application to SERS detection}{\textquotedblright}. La Porta A, Sanchez-Iglesias A, Altantzis T, Bals S, Grzelczak M, Liz-Marzan LM, Nanoscale \textbf{7}, 10377 (2015).   http://doi.org/10.1039/c5nr01264c

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