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157 results for “Microspheres”
Characterisation data of Nd- and Ce-doped uranium dioxide microspheres prepared via internal gelation
<p>The preparation of Nd- and Ce-doped UO<sub>2</sub> microspheres was studied, applying the sol-gel method via internal gelation (IG). Un-doped, and <em>Ln</em>-doped ammonium diuranate (ADU) gels with <em>Ln</em> molar metal fractions up to 30 mol% and an increment of 5 mol% were prepared (<em>Ln</em> = Nd, Ce). The dried gels were characterised using optical microscopy (OM) and X-ray powder diffraction (XRD), additionally thermogravimetric differential scanning calorimetry (TG-DSC) measurements were carried out on un-doped microspheres and particles containing 10 mol% dopant. The ADU matrix of the dried particles is converted during a thermal treatment via U<sub>3</sub>O<sub>8</sub> into a UO<sub>2</sub> matrix, which was carried out by a calcination in air (900 °C, 1 h) and a sintering in a mixture of Ar:H<sub>2</sub> and Ar:O<sub>2</sub>, corresponding to an oxygen potential of about −420 kJ mol<sup>−1</sup> , at 1600 °C for 10 h. Calcined intermediates of the un-doped particle batch, and particles each doped with 10 mol% Nd and Ce, were analysed by XRD. Sintered products of all compositions were also characterised by XRD, and additionally via scanning electron microscopy (SEM). The micropraphs, XRD patterns, TG-DSC results and all data associated with the particle fabrication and characterisation, are part of this dataset.</p>
Thermal decomposition data of uranium containing microspheres produced via internal gelation and ammonium diuranate powder
<p>A combination of simultaneous thermal analysis, evolved gas analysis and non-ambient XRD techniques was used to characterise and investigate the thermal decomposition behaviour in the NH<sub>3</sub> − UO<sub>3</sub> − H<sub>2</sub>O class of materials.</p> <p>One compound was prepared according to a typical ammonium diuranate precipitation reaction, and could be identified as 3UO<sub>3</sub>·NH<sub>3</sub>·5H<sub>2</sub>O. Microspheres prepared by the sol-gel method via internal gelation were associated to the composition 3UO<sub>3</sub>·2NH<sub>3</sub>·4H<sub>2</sub>O under the specified conditions.</p> <p>The products were analysed using the techniques listed below, the resulting data are part of this dataset.</p> <ul> <li>TGA, combined with EGA-MS (<em>T<sub>max</sub></em> = 1300 °C, heating rate = 2 °C/min)</li> <li>TG-DSC, combined with EGA-MS (<em>T<sub>max</sub></em> = 1300 °C, heating rate = 10 °C/min)</li> <li>ambient XRD (dried products after synthesis)</li> <li><em>in-situ</em> high temperature XRD (including initial and final scans, taken at 35 °C) <ul> <li><em>T<sub>max</sub></em> for 3UO<sub>3</sub>·NH<sub>3</sub>·5H<sub>2</sub>O = 1300 °C; <em>T<sub>max</sub></em> for 3UO<sub>3</sub>·2NH<sub>3</sub>·4H<sub>2</sub>O = 650 °C</li> <li>Samples measured directly on a Pt/Rh heating strip (Pt/Rh phase visible in patterns, blank scan included)</li> </ul> </li> </ul>
Dataset for publication Cuevas K., Chougan M., Martin F., Ghaffar SH, Stephan D., Sikora P. 3D printable lightweight cementitious composites with incorporated waste glass aggregates and expanded microspheres – Rheological, thermal and mechanical properties. Journal of Building Engineering (2021) 44, 102718
<p>Dataset consisting of G-code for 3D mortar specimen's printing path and particle size distribution (Origin file) of materials used in the study Cuevas K., Chougan M., Martin F., Ghaffar SH, Stephan D., Sikora P. 3D printable lightweight cementitious composites with incorporated waste glass aggregates and expanded microspheres – Rheological, thermal and mechanical properties. Journal of Building Engineering (2021) 44, 102718. <a href="https://doi.org/10.1016/j.jobe.2021.102718">https://doi.org/10.1016/j.jobe.2021.102718</a></p>
Fig. 2. Microspheric B in Three shell types in Mardinella daviesi indicate the evolution of a paratrimorphic life cycle among late Paleocene soritid benthic foraminifera
Fig. 2. Microspheric B forms (agamonts) of soritid foraminifer Mardinella daviesi (Henson, 1950) from the Thanetian, Paleocene of Iran. A. Gmm13980F40a, subaxial oblique section; note the brood chambers in the adult reproductive stage of growth (arrows). B. Gmm13980F40b, axial section showing empty brood chambers (two-headed arrow) on both sides of the specimen. C. Gmm13980F40c, subequatorial section. D. Gmm13980F40d, oblique section with some brood chambers (two-headed arrow). E. Gmm13980F41a, fragment of shell with five brood chambers; note the irregularly disposed beams. Scale bar 1 mm.
Data Sets "Modulation of electrical activity of proteinoid microspheres with chondroitin sulfate clusters"
<p>Data Sets "Modulation of electrical activity of proteinoid microspheres with chondroitin sulfate clusters"</p>
Raw data for Microwave-assisted Condensation Approach for Vanadium Silicate Microspheres and Their Catalytic Activity in Cyclohexene Epoxidation and Ethyl Lactate Oxidation
<p><strong>Specification of affiliations:</strong></p> <ul> <li>David Skoda - Centre of Polymer Systems</li> <li>Kamila Kuzelova - Centre of Polymer Systems</li> <li>Rajendran Blessy Pricilla - Centre of Polymer Systems</li> <li>Barbora Hanulikova - Centre of Polymer Systems</li> <li>Michal Urbanek - Centre of Polymer Systems</li> <li>Ales Styskalik - Department of Chemistry, Faculty of Science</li> <li>Tomas Pokorny - Department of Chemistry, Faculty of Science</li> <li>Iaroslav Doroshenko - Department of Chemistry, Faculty of Science</li> <li>Lucie Simonikova - Department of Chemistry, Faculty of Science</li> <li>Ivo Kuritka - Centre of Polymer Systems</li> </ul> <p> </p> <p>Raw data for the research paper. Information on the data collection are described in the manuscript.</p>
Donor–acceptor Stenhouse adduct functionalised polymer microspheres
<p>The dataset contained herein concerns the data generated and/or analyzed in the publication "<em>Donor–acceptor Stenhouse adduct functionalised polymer microspheres</em>", published in Polymer Chemistry on the 28th of February 2023. (DOI: <a href="https://doi.org/10.1039/D2PY01591A">https://doi.org/10.1039/D2PY01591A</a>)</p> <p> </p>
Data used in the article "High-Q magnetic levitation and control of superconducting microspheres at millikelvin temperatures"
<p>Data used in the article "High-Q magnetic levitation and control of superconducting microspheres at millikelvin temperatures".</p>
Superconducting flip-chip devices using indium microspheres on Au-passivated Nb or NbN as under-bump metallization layer
<p>Data used for figures in "Superconducting flip-chip devices using indium microspheres on Au-passivated Nb or NbN as under bump metallization layer" by A. Paradkar et al. <a href="https://doi.org/10.1063/5.0235266">Appl. Phys. Lett. <strong>126</strong>, 022601 (2025)</a></p>
Data package for Pozzolanic activity quantification of hollow glass microspheres
<p>Raw data of calengorimetry, TGA, UCS and XRD tests developed as part of the research published in Cement and Concrete Composites. The dataset is deposited in a .zip file in .txt or .xls(.xlsx) file format.</p> <p>Linked publication:</p> <p>C.M. Martín, N.B. Scarponi, Y.A. Villagrán, D.G. Manzanal, T.M. Piqué,<br> Pozzolanic activity quantification of hollow glass microspheres,<br> Cement and Concrete Composites,<br> Volume 118,<br> 2021,<br> 103981,<br> ISSN 0958-9465,<br> https://doi.org/10.1016/j.cemconcomp.2021.103981.<br> (https://www.sciencedirect.com/science/article/pii/S0958946521000500)</p>
Effect of density gradients on the generation of a highly energetic and strongly collimated proton beam from a laser irradiated Gaussian-shaped Hydrogen microsphere
<p>Simulation input files and data sets of "Effect of density gradients on the generation of a highly energetic and strongly collimated proton beam from a laser irradiated Gaussian-shaped Hydrogen microsphere" by A. Bhagawati et al.</p> <p>Simulation code: </p> <p>Picpsi3D, Version 0.1 beta 11<br> (c) Copyright Kartik Patel, L & PTD, BARC<br> </p>
Images and data accompanying article: Remarkable response of hollow thermoplastic microspheres-elastomer matrix composites in uniaxial tension.
<p><strong>Images and data accompanying article:<br> Remarkable response of hollow thermoplastic microspheres-elastomer matrix composites in uniaxial tension.*</strong><br> <em>By Michel Coret, Erwan Verron & Pierre Rublon</em><br> <strong>(<a href="http://hal.archives-ouvertes.fr/hal-03480982">https://hal.archives-ouvertes.fr/hal-03480982</a>)</strong></p> <p><br> <strong>Abstract of the article</strong><br> In the last few years, the mechanical response of hollow thermoplastic micro-spheres-elastomer matrix composites has been investigated. The large majority of the studies focuses on their compressive properties and particularly on the stress-strain response. In the present paper, large strain uniaxial tension experiments are conducted on thermoplastic microspheres filled polyurethane elastomer. Six volume fractions of microspheres are considered. Thanks to a two-camera setup and digital image correlation measurements, the volumetric response of the materials is extensively analyzed. As a major result, the remarkable volumetric behaviour is highlighted: the hydrostatic pressure vs. volume change curves admit several extrema that may be read as the macroscopic signature of the complex microstructural phenomena involved during deformation. Moreover, it is shown that the size of the volumetric loading-unloading hysteresis loop is directly related to the volume fraction of microspheres in the materials.<br> Experimental test methodology is described within the article. The objective of the deposit is to share data.</p> <p><strong>Description of the deposit</strong><br> <strong>Objectives:</strong></p> <p>The objective of this deposit is to share all the data needed to retrieve the results presented in the article (<a href="http://hal.archives-ouvertes.fr/hal-03480982">https://hal.archives-ouvertes.fr/hal-03480982</a>). This deposit do not explain any experimental methodology, that can be found in the article.</p> <p><strong>Data overview:</strong></p> <ol> <li>The images taken during the tests (raw data)</li> <li>Force and displacement measured by the tensile machine (raw data).</li> <li>Surface strain field on face and lateral sides of the tensile specimen (obtain by Digital Image Correlation)</li> <li>Averaged and filtered</li> </ol> <p><strong>Data description:</strong><br> 1. Image directories:<strong> "YY/MM/DD_poro_xx_spec_nn"</strong></p> <ul> <li> YY/MM/DD: date of the test</li> <li> xx: specimen porosity (can be one of these values [0, 05, 10, 15, 20, 25] in %)</li> <li> nn: Specimen number</li> </ul> <p> In each directory you will find:</p> <ul> <li> YY/MM/DD_poro_xx_spec_nn-aaaaa_0.tif (face side *aaaaa* image)</li> <li> YY/MM/DD_poro_xx_spec_nn-bbbbb_1.tif (lateral side *bbbbb* image</li> <li> YY/MM/DD_poro_xx_spec_nn.csv (Synchronized analogic data with images) <ul> <li>Column A: Image n°</li> <li>Columns B & C: Image file name</li> <li>Columns D & E: Timestamp</li> <li>Columns F & G: Analog data (Volts)</li> <li>Column H: Position of the jack (millimeter)</li> <li>Column I: Measured force (N)</li> </ul> </li> </ul> <p>2. Scalar data directory: <strong>Data_csv/</strong></p> <ul> <li><strong>DIC</strong>: strain average results from digital image correlation on face side (axis xy) and lateral side (axis yz) <ul> <li>Column A: Image n°</li> <li>Column B, C, D (Hencky strains): exx, eyy & exy</li> <li>Column E, F (Hencky eigen strains): e1 & e2</li> </ul> </li> </ul> <p> </p> <ul> <li><strong>Machine</strong>: displacement and force from tensile machine for each image <ul> <li>Column A: Image n°</li> <li>Columns B & C: Image file name</li> <li>Columns D & E: Timestamp</li> <li>Columns F & G: Analog data (Volts)</li> <li>Column H: Position of the jack (millimeter)</li> <li>Column I: Measured force (N)</li> </ul> </li> </ul> <p> </p> <ul> <li><strong>Post</strong>: Average + smoothed data for each porosities <ul> <li>Column A: Longitudinal stretch <span class="math-tex">\(\lambda\)</span></li> <li>Column B: Nominal stress P</li> <li>Column C: Lateral stretch ratio <span class="math-tex">\(\lambda_w=\lambda_t\)</span><br> </li> </ul> </li> </ul>
Data and code for the article "Superconducting microsphere magnetically levitated in an anharmonic potential"
<p>Data and code for the article "Superconducting microsphere magnetically levitated in an anharmonic potential", consisting of all the measurements, spectra and code for data analysis.</p>
Data for: Learning in ensembles of proteinoid microspheres
<p>Proteinoids are thermal proteins which form microspheres in water in presence of salt. Ensembles of proteinoid microspheres exhibit passive non-linear electrical properties and active neuron-like spiking of electrical potential. We propose that various neuromorphic computing architectures can be prototyped from the proteinoid microspheres. A key feature of a neuromorphic system is a learning. Through the use of optical and resistance measurements, we study mechanisms of learning in ensembles of proteinoid microspheres. We anlyse 16 types of proteinoids, study their intrinsic morphology and electrical properties. We demonstrate that proteinoids can learn, memorize, and habituate, making them a promising candidate for novel computing.</p>
FOLFOX Plus SIR-SPHERES MICROSPHERES Versus FOLFOX Alone in Patients With Liver Mets From Primary Colorectal Cancer
ClinicalTrials.gov study NCT00724503. IPD Sharing: Not stated. Countries: 11. Publications: 5.
STOPPER CHINA:With Tandem Microspheres in the Treatment of Localized Hepatocellular Carcinoma
ClinicalTrials.gov study NCT03113955. IPD Sharing: NO. Countries: 1. Publications: 2.
A Prospective Study Comparing Contour SE™ Microspheres to Embosphere® Microspheres for Treating Symptomatic Uterine Fibroids With Uterine Fibroid Embolization (UFE)
ClinicalTrials.gov study NCT00628901. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Sorafenib Tosylate and Yttrium Y 90 Glass Microspheres in Treating Patients With Liver Cancer That Cannot Be Removed by Surgery
ClinicalTrials.gov study NCT01900002. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Perflutren Protein-Type A Microspheres and Contrast-Enhanced Ultrasound in Improving Response to Radioembolization Therapy in Patients With Liver Cancer
ClinicalTrials.gov study NCT03199274. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Yttrium-90 (Y90) Glass Microspheres PET/CT in Imaging Patients With Liver Tumors
ClinicalTrials.gov study NCT03109262. IPD Sharing: NO. Countries: 1. Publications: 1.
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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.