Synthesis of nanostructured chitin-hematite composites under extreme biomimetic conditionsElectronic supplementary information (ESI) available. See DOI: 10.1039/c4ra10017d

Chitin of poriferan origin is a unique and thermostable biological material. It also represents an example of a renewable materials source due to the high regeneration ability of Aplysina sponges under marine ranching conditions. Chitinous scaffolds isolated from the skeleton of the marine sponge Ap...

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Hauptverfasser: Wysokowski, Marcin, Motylenko, Mykhailo, Walter, Juliane, Lota, Grzegorz, Wojciechowski, Jaros aw, Stöcker, Hartmut, Galli, Roberta, Stelling, Allison L, Himcinschi, Cameliu, Niederschlag, Elke, Langer, Enrico, Bazhenov, Vasilii V, Szatkowski, Tomasz, Zdarta, Jakub, Pertenko, Iaroslav, Kljaji, Zoran, Leisegang, Tilmann, Molodtsov, Serguei L, Meyer, Dirk C, Jesionowski, Teofil, Ehrlich, Hermann
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creator Wysokowski, Marcin
Motylenko, Mykhailo
Walter, Juliane
Lota, Grzegorz
Wojciechowski, Jaros aw
Stöcker, Hartmut
Galli, Roberta
Stelling, Allison L
Himcinschi, Cameliu
Niederschlag, Elke
Langer, Enrico
Bazhenov, Vasilii V
Szatkowski, Tomasz
Zdarta, Jakub
Pertenko, Iaroslav
Kljaji, Zoran
Leisegang, Tilmann
Molodtsov, Serguei L
Meyer, Dirk C
Jesionowski, Teofil
Ehrlich, Hermann
description Chitin of poriferan origin is a unique and thermostable biological material. It also represents an example of a renewable materials source due to the high regeneration ability of Aplysina sponges under marine ranching conditions. Chitinous scaffolds isolated from the skeleton of the marine sponge Aplysina aerophoba were used as a template for the in vitro formation of Fe 2 O 3 under conditions (pH ∼ 1.5, 90 °C) which are extreme for biological materials. Novel chitin-Fe 2 O 3 three dimensional composites, which have been prepared for the first time using hydrothermal synthesis, were thoroughly characterized using numerous analytical methods including Raman spectroscopy, XPS, XRD, electron diffraction and HR-TEM. We demonstrate the growth of uniform Fe 2 O 3 nanocrystals into the nanostructured chitin substrate and propose a possible mechanism of chitin-hematite interactions. Moreover, we show that composites made of sponge chitin-Fe 2 O 3 hybrid materials with active carbon can be successfully used as electrode materials for electrochemical capacitors. Chitinous scaffolds isolated from the skeleton of marine sponge Aplysina aerophoba can be used as a template for the in vitro formation of hematite (Fe 2 O 3 ) under conditions (pH ∼ 1.5, 90 °C), which are extreme for biological materials.
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title Synthesis of nanostructured chitin-hematite composites under extreme biomimetic conditionsElectronic supplementary information (ESI) available. See DOI: 10.1039/c4ra10017d
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