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dc.contributor.author | El Kadib, Abdelkrim | es_ES |
dc.contributor.author | Primo Arnau, Ana María | es_ES |
dc.contributor.author | Molvinger, Karine | es_ES |
dc.contributor.author | Bousmina, Mosto | es_ES |
dc.contributor.author | Brunel, Daniel | es_ES |
dc.date.accessioned | 2013-11-19T13:08:28Z | |
dc.date.issued | 2011-07-04 | |
dc.identifier.issn | 0947-6539 | |
dc.identifier.uri | http://hdl.handle.net/10251/33744 | |
dc.description.abstract | The ability of chitosan biopolymer to coordinate vanadium, tungsten and molybdenum metallic species and to control their mineralisation growth provides a new family of surface-reactive organic-inorganic hybrid microspheres. Drying the resulting materials under supercritical conditions allowed the gel network dispersion to be retained, thereby leading to a macroporous catalyst with surface areas ranging from 253 to 278 m2 g-1. On account of the open framework structure of these microspheres, the redox species entangled within the fibrillar network of the polysaccharide aerogels were found to be active, selective and reusable catalysts for cinamylalcohol oxidations. | es_ES |
dc.description.sponsorship | This work was supported by the Hassan II Academy of Science, Innovation and Research (Morocco). We are grateful to Dr. Claude Guillmon for XPS analysis and to Hassan Hafidi (IT Manager) for his technical assistance. | en_EN |
dc.format.extent | 7 | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | Wiley-VCH Verlag | es_ES |
dc.relation.ispartof | Chemistry - A European Journal | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | Alcohols | es_ES |
dc.subject | Chitosan | es_ES |
dc.subject | Nanostructures | es_ES |
dc.subject | Organic-inorganic hybrid composites | es_ES |
dc.subject | Oxidation | es_ES |
dc.title | Nanosized vanadium, tungsten and molybdenum oxide clusters grown in porous chitosan microspheres as promising hybrid materials for selective alcohol oxidation | es_ES |
dc.type | Artículo | es_ES |
dc.embargo.lift | 10000-01-01 | |
dc.embargo.terms | forever | es_ES |
dc.identifier.doi | 10.1002/chem.201003740 | |
dc.rights.accessRights | Cerrado | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química | es_ES |
dc.description.bibliographicCitation | El Kadib, A.; Primo Arnau, AM.; Molvinger, K.; Bousmina, M.; Brunel, D. (2011). Nanosized vanadium, tungsten and molybdenum oxide clusters grown in porous chitosan microspheres as promising hybrid materials for selective alcohol oxidation. Chemistry - A European Journal. 17:7940-7946. doi:10.1002/chem.201003740 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1002/chem.201003740 | es_ES |
dc.description.upvformatpinicio | 7940 | es_ES |
dc.description.upvformatpfin | 7946 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 17 | es_ES |
dc.relation.senia | 218846 | |
dc.contributor.funder | Académie Hassan II des Sciences et Techniques | es_ES |
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dc.description.references | When monitoring the degradation of the materials used in catalysis by thermogravimetric analysis (TGA)/mass spectroscopy no product attributed to the oxidation of the support was observed. | es_ES |
dc.description.references | Chitosan has been shown to be effective for adsorption and removal of vanadium tungsten and molybdenum from aqueous solutions: | es_ES |
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dc.description.references | In some cases the fast re‐deposition of the leached active species back onto the support can result in a misconception about the result. So in the absence of an exhaustive study on this phenomenon the following results have to be carefully interpreted. | es_ES |