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\bibitem{VanEynde_etal2016} {\textquotedblleft}\textit{Diatom silica-titania photocatalysts for air purification by bio-accumulation of different titanium sources}{\textquotedblright}. Van Eynde E, Hu Z-Y, Tytgat T, Verbruggen SW, Watte J, Van Tendeloo G, Van Driessche I, Blust R, Lenaerts S, Environmental science : nano \textbf{3}, 1052 (2016).   http://doi.org/10.1039/C6EN00163G

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