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988 results for “Platinum”
Femtosecond electron diffraction data of platinum
<p>Femtosecond electron diffraction data of platinum measured at the Fritz Haber Institute in Berlin. The dataset contains measurements at several absorbed energy densities, from 40 J/cm<sup>3</sup> (experimental_data_fluence_5) to 124 J/cm<sup>3</sup> ( experimental_data_fluence_1). The pump photon energy was 0.70 eV. The sample was a polycrystalline platinum film with a thickness of 15 nm. More information is available here: https://arxiv.org/abs/2012.10428</p>
The Structure of Sub-nm Platinum Clusters at Elevated Temperatures (Supplementary Information)
<p><strong><em>This dataset consists of raw data and denoised scanning transmission electron microscopy videos of sub-nm sized clusters of Pt on a carbon substrate. The data is used in the article "The Structure of Sub-nm Platinum Clusters at Elevated Temperatures" published in Angewandte Chemie International Edition, 2019, DOI:10.1002/anie.201911068</em></strong><strong><em> </em></strong></p> <p><strong>Video S1.</strong> A typical sub-nm amorphous cluster at room temperature. 0.5 nm scale bar.</p> <p><strong>Video S2.</strong> Two typical crystalline sub-nm clusters at 350°C. 0.5 nm scale bar.</p> <p><strong>Video S3. </strong>In this high-speed recording at 147 fps, the high beam current required for this fast imaging has suppressed the crystallinity of the cluster, despite the temperature of 350°C. 0.5 nm scale bar.</p> <p><strong>Video S4. </strong>The unusually stable 13-atom cluster at the bottom forms an fcc cuboid, and can be seen rotating at three orientations, as shown by the inset model and in Fig. 3a-c. 0.5 nm scale bar.</p> <p><strong>Video S5. </strong>This 15-atom cluster initially forms an fcc cube, then transforms into multiple hcp structures. (Recorded at 2 fps, but animated at 5x real time at 10fps). 0.5 nm scale bar.</p> <p><strong>Video S6. </strong>The cluster in this movie is a 22-atom truncated rectangular cuboid. 0.5 nm scale bar.</p> <p><strong>Video S7. </strong>In the center and bottom, two 6-atom octagons are rotating (shown in Fig. S4) as they add onto their larger neighboring clusters. The 13-atom cluster in the top forms an unusually stable fcc cuboctahedron from frame 219. 0.5 nm scale bar.</p> <p><strong>Video S8. </strong>The cluster on the bottom left forms a fleeting icosahedron-like structure. 0.5 nm scale bar.</p> <p><strong>Video S9. </strong>This cluster shows fcc structures, despite being recorded at 200°C, but with a very low beam dose. (Recorded at 2 fps, but animated at 5x real time at 10fps). 0.5 nm scale bar.</p>
Platinum-Iron(II) Oxide Sites Directly Responsible for Preferential Carbon Monoxide Oxidation at Ambient Temperature: An Operando X-ray Absorption Spectroscopy Study
<p>Open data for "Platinum-Iron(II) Oxide Sites Directly Responsible for Preferential Carbon Monoxide Oxidation at Ambient Temperature: An Operando X-ray Absorption Spectroscopy Study" Angew. Chem.Int. Ed. 2023,62, e202214032(1 of 11) <a href="https://doi.org/10.1002/anie.202214032">https://doi.org/10.1002/anie.202214032</a></p>
Supplementary Material: Computational Study of Quasi-2D Liquid State in Free Standing Platinum, Silver, Gold, and Copper Monolayers
<p>Supplementary files for <em>Condensed Matter</em> <strong>2016</strong>, <em>1</em>(1), 1; doi:10.3390/condmat1010001; http://www.mdpi.com/ 2410-3896/1/1/1.</p> <p>Captions:</p> <p><strong>Video S1.</strong> (Pt 2400 K 5 ps) 5 ps Molecular Dynamics Movie of Pt Freestanding Monolayer at 2400 K. </p> <p><strong>Video S2.</strong> (Ag 1050K 6 ps) 6 ps Molecular Dynamics Movie of Ag Freestanding Monolayer at 1050 K.<br /> <br /> <strong>Video S3.</strong> (Au 1600K 4ps) 4 ps Molecular Dynamics Movie of Au Freestanding Monolayer at 1600 K.<br /> <br /> <strong>Video S4.</strong> (Cu 1400K 3ps) 3 ps Molecular Dynamics Movie of Cu Freestanding Monolayer at 1400 K. </p>
Dataset for "Metallosupramolecular polymers as precursors for platinum nanocomposites"
<p>Source data of the study reported in the publication entitled "Metallosupramolecular polymers as precursors for platinum nanocomposites". The data should be considered together with the published manuscript and the supplementary information file.</p>
Chemical activities of platinum and gold under a hydrous condition at high pressure with implication for deep volatile storage
<p>This file contains published datasets for "Chemical activities of platinum and gold under a hydrous condition at high pressure with implication for deep volatile storage"</p>
Research data supporting "Platinum Nanocatalyst Amplification: Redefining the Gold Standard for Lateral Flow Immunoassays with Ultra-Broad Dynamic Range"
<p>Research data supporting the publication: Loynachan C. N., et al., 2017, ACS Nano, DOI: http://dx.doi.org/10.1021/acsnano.7b06229.</p>
Reactivity Switch of Platinum with Gallium: From Reverse Water Gas Shift to Methanol Synthesis
<p><span>The development of efficient catalysts for the hydrogenation of CO<sub>2</sub> to methanol using “green” H<sub>2</sub> is foreseen to be a key step to </span><span>close the carbon cycle</span><span>.</span><span> In this study, we show that small and narrowly distributed alloyed PtGa nanoparticles supported on silica, prepared via a surface organometallic chemistry (SOMC) approach, display notable activity for the hydrogenation of CO<sub>2</sub> to methanol, reaching 7.2 mol h<sup>-1</sup> mol<sub>Pt</sub><sup>-1</sup> methanol formation rate with a 54% intrinsic CH<sub>3</sub>OH selectivity. This reactivity sharply contrasts with what is expected for Pt, which favors the reverse water gas shift reaction, albeit with a poor activity (2.6 mol h<sup>-1</sup> mol<sub>Pt</sub><sup>-1</sup>). <em>In situ</em> XAS studies indicate that ca. 50% of Ga is reduced to Ga<sup>0</sup> yielding alloyed PtGa nanoparticles, while the remaining 50% persist as isolated Ga<sup>III</sup> sites. The PtGa catalyst </span><span>slight</span><span>ly dealloys under CO<sub>2</sub> hydrogenation conditions and displays redox dynamics with PtGa-GaO<sub>x</sub> interfaces, responsible for promoting both CO<sub>2</sub> hydrogenation activity and methanol selectivity. Further tailoring the catalyst interface by using a carbon support in place of silica enables to improve the methanol formation rate by a factor of ~5.</span></p>
Fig. 17 in A New Species of Zambedania (Acari: Heterostigmatina: Pygmephoridae) from the Two Rivers Platinum Mine in South Africa and Notes on the Life-cycle of the Genus
Fig. 17. Zambedania sekhukhunensis sp. n. Larva paratype. Gnathosoma: A- dorsal view, B. ventral view, C- pharyngeal pump system.
Fig. 10 in A New Species of Zambedania (Acari: Heterostigmatina: Pygmephoridae) from the Two Rivers Platinum Mine in South Africa and Notes on the Life-cycle of the Genus
Fig. 10. Zambedania sekhukhunensis sp. n. Male paratype. Idiosoma: A- dorsum, B- venter; gnathosoma: C- dorsum, D- venter; ascalebar for idiosoma, b- scalebar for gnathosoma; sculpture omitted.
Fig. 9 in A New Species of Zambedania (Acari: Heterostigmatina: Pygmephoridae) from the Two Rivers Platinum Mine in South Africa and Notes on the Life-cycle of the Genus
Fig. 9. Zambedania sekhukhunensis sp. n. Female. A- dorsal view; B- caput of bothridial seta, dorsal view; in front "pilose" setae; C- Leg I (right). Note TiTa in dorsal view. At distal end "turret" carrying claw with at its base dorsal pinnaculum of the "locking system", flanked by part of counterpiece. Eupathidia dorsad on pinnaculi. The cluster d and k associated with the three solenidia. Ventro-laterad near to counter piece seta s followed by feathered pv and v. D- detail distal end of left TiTa I in lateral view, claw and butterfly-shaped counter piece made up of setae u' - u", below seta s, followed by "feathered" primiventrals pv' and pv" (photos by G. Bauchan and R. Ochoa).
Fig. 3 in A New Species of Zambedania (Acari: Heterostigmatina: Pygmephoridae) from the Two Rivers Platinum Mine in South Africa and Notes on the Life-cycle of the Genus
Fig. 3. Zambedania sekhukhunensis sp. n. Female holotype. Idiosoma: A- dorsum, B- venter; sculpture omitted.
Fig. 5 in A New Species of Zambedania (Acari: Heterostigmatina: Pygmephoridae) from the Two Rivers Platinum Mine in South Africa and Notes on the Life-cycle of the Genus
Fig. 5. Zambedania sekhukhunensis sp. n. Female holotype. Leg I A- (left): antaxial view, B- tibiotarsus (left): paraxial view.
Fig. 2 in A New Species of Zambedania (Acari: Heterostigmatina: Pygmephoridae) from the Two Rivers Platinum Mine in South Africa and Notes on the Life-cycle of the Genus
Fig. 2. Zambedania sekhukhunensis sp. n phoretic female mites aggregated in and around the fovea of the cephalothorax and around the coxae of Harpactirella overdijki Gallon, 2010 (Aranaeae: Theraphosidae) (photo by I. Engelbrecht).
Fig. 4 in A New Species of Zambedania (Acari: Heterostigmatina: Pygmephoridae) from the Two Rivers Platinum Mine in South Africa and Notes on the Life-cycle of the Genus
Fig. 4. Zambedania sekhukhunensis sp. n. Female holotype. Gnathosoma A- dorsum, B- venter, C- pharyngeal pumps.
Fig. 11 in A New Species of Zambedania (Acari: Heterostigmatina: Pygmephoridae) from the Two Rivers Platinum Mine in South Africa and Notes on the Life-cycle of the Genus
Fig. 11. Zambedania sekhukhunensis sp. n. Male paratype. Genital capsule: A- dorsal view, B. ventral view.
Fig. 1 in A New Species of Zambedania (Acari: Heterostigmatina: Pygmephoridae) from the Two Rivers Platinum Mine in South Africa and Notes on the Life-cycle of the Genus
Fig. 1. Soon to be exploited North Open Pit (NOP) area at the Two Rivers Platinum Mine at Leydenburg, South Africa (photo by P. Hawkes).
Study of REGN 2810 Compared to Platinum-Based Chemotherapies in Participants With Metastatic Non-Small Cell Lung Cancer (NSCLC)
ClinicalTrials.gov study NCT03088540. IPD Sharing: YES. Countries: 24. Publications: 4.
Patritumab With Cetuximab and a Platinum Agent for Squamous Cell Carcinoma (Cancer) of the Head and Neck (SCCHN )
ClinicalTrials.gov study NCT02633800. IPD Sharing: YES. Countries: 7. Publications: 2.
Platinum-Based Chemotherapy With/Without INCMGA00012, an Anti-PD-1 Antibody, in Non-Small Cell Lung Cancer
ClinicalTrials.gov study NCT04205812. IPD Sharing: YES. Countries: 17. Publications: 1.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.