Matches in UGent Biblio for { <https://biblio.ugent.be/publication/1980452#aggregation> ?p ?o. }
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- aggregation classification "A1".
- aggregation creator B404267.
- aggregation creator B404268.
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- aggregation date "2011".
- aggregation format "application/pdf".
- aggregation hasFormat 1980452.bibtex.
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- aggregation isPartOf urn:issn:0013-936X.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Chemistry".
- aggregation title "Biosupported bimetallic Pd-Au nanocatalysts for dechlorination of environmental contaminants".
- aggregation abstract "Biologically produced monometallic palladium nanoparticles (bio-Pd) have been shown to catalyze the dehalogenation of environmental contaminants, but fail to efficiently catalyze the degradation of other important recalcitrant halogenated compounds. This study represents the first report of biologically produced bimetallic Pd/Au nanoparticle catalysts. The obtained catalysts were tested for the dechlorination of diclofenac and trichlorethylene. When aqueous bivalent Pd(II) and trivalent Au(III) ions were both added to concentrations of 50 mg L(-1) and reduced simultaneously by Shewanella oneidensis in the presence of H(2), the resulting cell-associated bimetallic nanoparticles (bio-Pd/Au) were able to dehalogenate 78% of the initially added diclofenac after 24 h; in comparison, no dehalogenation was observed using monometallic bio-Pd or bio-Au. Other catalyst-synthesis strategies did not show improved dehalogenation of TCE and diclofenac compared with bio-Pd. Synchrotron-based X-ray diffraction, (scanning) transmission electron microscopy and energy dispersive X-ray spectroscopy indicated that the simultaneous reduction of Pd and Au supported on cells of S. oneidensis resulted in the formation of a unique bimetallic crystalline structure. This study demonstrates that the catalytic activity and functionality of possibly environmentally more benign biosupported Pd-catalysts can be improved by coprecipitation with Au.".
- aggregation authorList BK716840.
- aggregation endPage "8513".
- aggregation issue "19".
- aggregation startPage "8506".
- aggregation volume "45".
- aggregation aggregates 3148840.
- aggregation isDescribedBy 1980452.
- aggregation similarTo es2019324.
- aggregation similarTo LU-1980452.