Articles with "platinum gold" as a keyword



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Dose-related changes in respiration and enzymatic activities in soils amended with mobile platinum and gold

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Published in 2021 at "Applied Soil Ecology"

DOI: 10.1016/j.apsoil.2020.103727

Abstract: Abstract This study assessed the effect of amendment of Australian soils (acidic, organic matter, Fe-rich, alkaline and silt-rich soils) with mobile platinum and gold (0 to 2000 mg kg−1) on soil respiration and the activity of seven… read more here.

Keywords: platinum gold; soil; dose related; mobile platinum ... See more keywords
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Platinum and Gold Catalysis: à la Carte Hydroamination of Terminal Activated Allenes with Azoles.

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Published in 2019 at "Organic letters"

DOI: 10.1021/acs.orglett.9b02949

Abstract: Nucleophilic additions to allenes catalyzed by transition metals represent a powerful tool to obtain selective access to diverse structures with numerous applications. Reported here is a straightforward methodology to achieve selective addition of azoles to… read more here.

Keywords: platinum gold; catalysis carte; carte hydroamination; activated allenes ... See more keywords
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Dichotomy of platinum(II) and gold(III) carbene intermediates switching from N- to O-selectivity.

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Published in 2022 at "Nature communications"

DOI: 10.1038/s41467-022-29326-0

Abstract: Pt(II) and Au(III)-mediated intermolecular divergent annulations of benzofurazans and ynamides highlighted the N- to O-selectivity of tunable metal carbene intermediates. PtCl2 with a bulky phosphite ligand resulted in the specific synthesis of six-membered quinoxaline N-oxides… read more here.

Keywords: gold iii; gold; iii; carbene intermediates ... See more keywords
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Mixed noble metal-oxo clusters: platinum(IV)-gold(III) oxoanion [PtIV2AuIII3O6((CH3)2AsO2)6].

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Published in 2023 at "Chemical communications"

DOI: 10.1039/d3cc00243h

Abstract: The first discrete mixed platinum(IV)-gold(III) oxoanion [PtIV2AuIII3O6((CH3)2AsO2)6]- (1) was synthesized by reaction of H2Pt(OH)6 with H[AuCl4] in a simple one-pot procedure in aqueous solution at pH 7 and comprises two equivalent PtIVO6(As(CH3)2)3 units which are… read more here.

Keywords: iii oxoanion; oxoanion ptiv2auiii3o6; platinum gold; ptiv2auiii3o6 ch3 ... See more keywords
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In vitro biocompatibility and electrical stability of thick-film platinum/gold alloy electrodes printed on alumina.

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Published in 2017 at "Journal of neural engineering"

DOI: 10.1088/1741-2552/aa6557

Abstract: OBJECTIVE High-density electrode arrays are a powerful tool in both clinical neuroscience and basic research. However, current manufacturing techniques require the use of specialised techniques and equipment, which are available to few labs. We have… read more here.

Keywords: platinum gold; thick film; biocompatibility; film ... See more keywords