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\bibitem{Sanz-Ortiz_etal2015} {\textquotedblleft}\textit{Templated Growth of Surface Enhanced Raman Scattering -Active Branched Au Nanoparticles within Radial Mesoporous Silica Shells}{\textquotedblright}. Sanz-Ortiz MN, Sentosun K, Bals S, Liz-Marzan LM, ACS nano \textbf{9}, 10489 (2015).   http://doi.org/10.1021/acsnano.5b04744

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