Back Cover: Biotemplated Hierarchical Porous Material: The Positively Charged Leaf (Chem. Eur. J. 15/2013)



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A positively charged leaf was synthesized by a simple, facile chemical method and the material shows the advantages of a hierarchical porous structure, nanoscale size, positively charged property, and sterilization effect that could be utilized for water purification for the removal of dyes and pollutants, especially for efficient Escherichia coli removal. The synthesis method for the positively charged leaf could be applied to the synthesis of different kinds of functional metal oxides. For more details, see the Full Paper by T. Fan et al. on page 4742 ff.