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48 results for “Polypropylene”
Cryo 4D-STEM Data Set: isotactic Polypropylene/ Ethylene-Octene Copolymer Interface
<p><strong>Sample:</strong> Data is taken of a iPP/EO (DOW ENGAGE<sup>TM</sup> 8540) blend interface. The blend was cryo-microtomed to a nominal slice thickness of 50nm. Transmission electron microscopy was performed using the TEAM I microscope at the Lawrence Berkeley National Laboratory using a Gatan K3 detector and Continuum spectrometer.</p> <p><strong>Data Set 12: </strong>This work was performed at -185°C under liquid nitrogen cooling with a 300kV accelerating voltage and a semi-convergence angle of 0.5mrad which yielded a diffraction-limited probe with a full-width half-max of 2nm. The beam was rastered with a step size of 5nm over a 505 × 500nm<sup>2</sup> field of view. The electron dose per sample area over the entire scan is 20 e<sup>-</sup>/Å<sup>2</sup>. However, 4D-STEM is a converged probe technique in which ~80% of the beam fluence is contained within 1.74 × the FWHM of the probe. Using 1.74 × the FWHM of the probe as the diameter to calculate the irradiated sample area yields a dose of 60 e<sup>-</sup>/Å<sup>2</sup> for this data set. Gold nanoparticles were used to calibrate the reciprocal space pixel size as well as measure the elliptical distortion present in the data set.</p> <p><strong>Data Set 18: </strong>This data was taken at -185°C under liquid nitrogen cooling with a 300kV accelerating voltage and a semi-convergence angle of 0.14mrad which yielded a diffraction-limited probe with a full-width half-max of 10nm. The beam was rastered with a step size of 10nm over a 1.4 × 1.4μm<sup>2</sup> field of view. The electron dose per sample area over the entire scan was 0.50 e-/Å<sup>2</sup> while the dose per probe area was 0.64 e-/Å<sup>2</sup>. Gold nanoparticles were used to calibrate the reciprocal space pixel size.</p> <p><strong>Data Set 19: </strong>This data was taken over the exact same area as Data Set 18 to give a comparison under larger dose accumulation. The data was obtained with the exact same parameters and under the same experimental conditions as Data Set 18.</p>
X-ray tomography 3D image dataset of natural fibre reinforced polypropylene
<p>Natural fibre composites have potential sustainability benefits over traditional composites, but their irregular shapes and mechanical properties require more thorough examination compared to glass or carbon fibre composites. 3D X-ray imaging allows for non-destructive examination of the structure and shape. The dataset includes 3D images obtained using micro X-ray computed tomography of natural fibre composites. The images provide valuable insights into the material's characteristics. Since there is limited open-access 3D image data on natural fibre composites, this dataset lays the groundwork for future image analysis and numerical modelling.</p>
Dataset of paper "Evaluation Of Microplastics Release From Solar Water Disinfection Poly(Ethylene Terephthalate) And Polypropylene Containers"
<p>Dataset of paper "Evaluation Of Microplastics Release From Solar Water Disinfection Poly(Ethylene Terephthalate) And Polypropylene Containers":</p><ul><li>Effect of the underlying glass fiber (GF) filter on the baseline of an HDPE MP microreflectance spectrum.</li><li>Comparison between the spectrum of a particle collected from the treated water and the spectrum of pristine high-density polyethylene polymer.</li><li>Number of total microplastics (high-density polyethylene and polypropylene) found in PET bottles.</li><li>Number of total microplastics (high-density polyethylene and polypropylene) found in TJC containers.</li><li>Comparison between the spectrum of PP particles recovered after 10 weeks of exposure time.</li><li>Number of microplastics identified as polypropylene and weathered polypropylene in the samples corresponding to the translucent jerrycans containers.</li><li>Number of microplastics identified as polypropylene and weathered polypropylene in the samples corresponding to the transparent jerrycans containers.</li><li>Number of polypropylene microplastics found in the translucent and transparent jerrycans containers.</li><li>Number of microplastics found in PET bottles and TJC containers.</li><li>Size of the microplastics found in the study. </li><li>Abundance of each target polymer found in the study based on the measured minor particle dimension.</li></ul>
Chemical upcycling of polyethylene, polypropylene, and mixtures to high-value surfactants
<p>Conversion of plastic wastes to fatty acids is an attractive means to supplement the sourcing of these high-value, high-volume chemicals. Herein, we report a method for transforming polyethylene (PE) and polypropylene (PP) at ~80% conversion to fatty acids with number average molar masses up to ~700 Da and 670 Da, respectively. The process is applicable to municipal PE and PP wastes and their mixtures. Temperature-gradient thermolysis is the key to controllably degrading PE and PP into waxes and inhibiting producing small molecules. The waxes are upcycled to fatty acids by oxidation over manganese stearate and subsequent saponification. PP ꞵ-scission produces more olefin wax and yields higher acid-number fatty acids than PE. We further convert the fatty acids to high-value, large-market-volume surfactants. Industrial-scale technoeconomic analysis suggests economic viability without subsidies.</p>
Prospective Trial Comparing Two Different Polypropylene Meshes for Inguinal Hernias
ClinicalTrials.gov study NCT01825187. IPD Sharing: NO. Countries: 1. Publications: 1.
Anterior Colporrhaphy Versus Cystocele Repair Using Polypropylene Mesh or Porcine Dermis
ClinicalTrials.gov study NCT01393171. IPD Sharing: NO. Countries: 1. Publications: 4.
Chemical upcycling of polyethylene, polypropylene, and mixtures to high-value surfactants
Open the record for dataset details and reuse information.
Flame retarded polypropylene formulations - UL94 results
Open the record for dataset details and reuse information.
Polypropylene and polystyrene may be less thrombogenic than a commercial non-binding surface under plasma-free conditions
<p>Trained Ilastik model used to quantification of survace coverage by platelets is included along with python scripts and ImageJ macros.</p> <p>Raw data representing platelet coverage are inclued in xls file.</p>
Dataset for Environmentally Degraded Polyethylene and Polypropylene
Open the record for dataset details and reuse information.
AHP-Based Supplier Selection Framework for Recycled Polypropylene Resin in Sustainable Manufacturing
Open the record for dataset details and reuse information.
Male Sexual Experience and Its Impact on Quality of Life Before and After Their Sexual Partners Undergo Polypropylene Mesh Augmented Pelvic Floor Reconstruction
ClinicalTrials.gov study NCT01320631. IPD Sharing: Not stated. Countries: 1. Publications: 1.
The Immunologic Reaction to Polypropylene Mesh in Inguinal Hernioplasty
ClinicalTrials.gov study NCT01090284. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Comparing Transvaginal Self-tailored Titanium-coated Polypropylene Mesh Procedure With Mesh-kit Procedure.
ClinicalTrials.gov study NCT03283124. IPD Sharing: NO. Countries: 1. Publications: 2.
Affixing Polypropylene Mesh Using Barbed Suture (Quill™ Srs) During Laparoscopic Sacrocolpopexy Randomized Controlled Trial (Quill Lsc)
ClinicalTrials.gov study NCT01551992. IPD Sharing: Not stated. Countries: 1. Publications: 1.
ASIA-Mesh: a Pilot Study for Diagnostics and Treatment on ASIA Syndrome Caused by Polypropylene Mesh Implantation
ClinicalTrials.gov study NCT06363903. IPD Sharing: UNDECIDED. Countries: 1. Publications: 9.
Wound Closure After Total Knee Arthroplasty: Comparison of Polypropylene and Polyglactin 910 Suture.
ClinicalTrials.gov study NCT06373900. IPD Sharing: NO. Countries: 1. Publications: 15.
Randomized Controlled Trial Comparing Acellular Collagen Biomesh (Pelvisoft) to Polypropylene Mesh(Pelvitex) for Sacral Colpopexy
ClinicalTrials.gov study NCT00564083. IPD Sharing: Not stated. Countries: 1. Publications: 1.
SUSY Study (SUture StudY) Comparing Scarring With Polypropylene vs Polyglactin 910 Sutures
ClinicalTrials.gov study NCT04724512. IPD Sharing: NO. Countries: 1. Publications: 1.
Self-Expanding Multi-Layered Partially Resorbable Lightweight Polypropylene Mesh Device (Proceed Ventral Patch® Or Pvp®) For The Treatment of Small and Medium Umbilical Ventral Hernias
ClinicalTrials.gov study NCT01307696. IPD Sharing: Not stated. Countries: 1. Publications: 1.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.