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Nanostructured δ-FeOOH: a novel photocatalyst for water splitting
We report on the first use of nanostructured δ-FeOOH as a promising photocatalyst for hydrogen production. The high surface area, interparticle mesoporosity, small particle size and band gap energyExpand
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Structural characterization, thermal properties, and density functional theory studies of PMMA-maghemite hybrid material
Maghemite (γ-Fe2O3)-poly(methyl methacrylate) (PMMA) nanocomposites were prepared by grafting 3-(trimethoxy-silyl) propyl methacrylate on the surface of maghemite nanoparticles, this process beingExpand
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Degradation of organic compounds in a fenton system based on chitosan/Fe0/Fe2O3 composites: a theoretical and experimental study
Chitosan is a polymer with interesting characteristics for use in catalysis, such as biocompatibility, high chemical reactivity and stability under various conditions. Seeking new applications, a newExpand
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Diversity of Scarabaeinae (Coleoptera: Scarabaeidae) in an urban fragment of Cerrado in Central Brazil
The diversity of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) is affected by urbanization, habitat fragmentation and disappearance of native mammals, which result in changes in the qualityExpand
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New vertical floating barrier to protect against wind waves and ship waves
A new partially submerged vertical floating barrier to protect against sea waves and the waves generated by ship motions is presented. The first approach to achieve an optimum design of the newExpand