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\bibitem{Zheng_etal2017} {\textquotedblleft}\textit{Shape control in ZIF-8 nanocrystals and metal nanoparticles@ZIF-8 heterostructures}{\textquotedblright}. Zheng G, Chen Z, Sentosun K, P{\'e}rez-Juste I, Bals S, Liz-Marz{\'a}n LM, Pastoriza-Santos I, P{\'e}rez-Juste J, Hong M, Nanoscale \textbf{9}, 16645 (2017).   http://doi.org/10.1039/C7NR03739B

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