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80 results for “thin section”
Origin, extent, and emplacement conditions of newly exposed pillow lavas in the Kverkfjöll region, Iceland - field photos and thin sections
<p>Fieldwork photos from Kverkfjöll, Iceland, since 2020 as a part of fieldwork-based master's thesis in geology, where a pillow lava and hyaloclastite formation was studied. Included are field photos and composited field photos, along with a map showing where said photos are. Also included are photomicrographs of thin sections, scanned and labeled photos of each thin section, and their rough position within each pillow crust sample. Please refer to the actual thesis for more information: Origin, extent, and emplacement conditions of newly exposed pillow lavas in the Kverkfjöll region, Iceland (Valdimarsdóttir, 2023).</p>
IODP Expedition 369 Thin section images
<p>Hard rock and sediment thin section images were acquired using either the JRSO-developed Petrographic Image Capture and Archival Tool (PICAT) imager or (rarely) an upright microscope and a digital camera. Sample images are acquired in unpolarized, polarized, and/or cross-polarized light. Image files are presented compressed by hole.</p>
IODP Expedition 382 Thin section images
<p>Hard rock and sediment thin section images were acquired using either the JRSO-developed Petrographic Image Capture and Archival Tool (PICAT) imager or (rarely) an upright microscope and a digital camera. Sample images are acquired in unpolarized, polarized, and/or cross-polarized light. Image files are presented compressed by hole.</p>
IODP Expedition 392 Thin section images
<p>Hard rock and sediment thin section images were acquired using either the JRSO-developed Petrographic Image Capture and Archival Tool (PICAT) imager or (rarely) an upright microscope and a digital camera. Sample images are acquired in unpolarized, polarized, and/or cross-polarized light. Image files are presented compressed by hole.</p>
acanthodian and sarcopterygian thin sections
<p>mainly photos of thin sections</p>
North Sea Core Thin Section Data pt 1
<p>Thin section scans of core samples from key North Sea lithologies, across the Southern, Central and Northern North Sea Basins. Please visit https://www.northseacore.co.uk/data for more information.</p> <p>The scanned images and supporting files can be viewed with the Olympus OlyVia Viewer software. This is third party software and requires the user to register. All thin sections have been scanned in Bright Field (BF), Plane (PPL) and Cross Polarised Light (XPL), and Cross Polarized Light with Luminesce (XPL+L). Full magnification is 10x.</p> <p>Part 1 of the data includes;</p> <ul> <li>15-14a-3 Triassic</li> <li>16-29a-2X Lower Cretaceous</li> <li>16-29a-2X Paleocene</li> <li>16-29a-A4 Upper Cretaceous</li> <li>21-16-3 Upper Jurassic</li> <li>21-20b-3 Eocene</li> <li>44-23-7 Upper Carboniferous</li> <li>47-15-1X Zechstein Permian</li> </ul>
North Sea Core Thin Section Data pt 2
<p>Thin section scans of core samples from key North Sea lithologies, across the Southern, Central and Northern North Sea Basins. Please visit https://www.northseacore.co.uk/data for more information.</p> <p>The scanned images and supporting files can be viewed with the Olympus OlyVia Viewer software. This is third party software and requires the user to register. All thin sections have been scanned in Bright Field (BF), Plane (PPL) and Cross Polarised Light (XPL), and Cross Polarized Light with Luminesce (XPL+L). Full magnification is 10x.</p> <p>Part 2 of the data includes;</p> <ul> <li>49-06a-4 Triassic</li> <li>49-11a-4 Rotliegend Permian</li> <li>211-08c-4Z Upper Jurassic</li> <li>211-16-4 Zechstein Permian</li> <li>211-23-A18 Middle Jurassic</li> <li>211-23-A38 Middle Jurassic</li> <li>211-23-W1Z Middle Jurassic</li> <li>211-23b-12 Middle Jurassic</li> <li>211-23d-18 Middle Jurassic</li> </ul>
Long series of semi-thin transverse sections of the vascular cambium of Robinia pseudoacacia L. (a-l)
<p>A series of consecutive transverse sections of the vascular cambium of black locust used for radial, and tangential planes reconstruction in: </p> <p>Miodek, A., Gizińska, A., Włoch, W. <em>et al.</em> Intrusive growth of initials does not affect cambial circumference in <em>Robinia pseudoacacia</em>. <em>Sci Rep</em> <strong>12, </strong>7428 (2022). https://doi.org/10.1038/s41598-022-11272-y</p> <p>Scale bar = 20 μm</p>
Myzostoma cirriferum semi-thin sections stack1
<p>serial sections/1µm/cross/Toluidine blue/elastic alignment</p>
Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy – data set 03
<p>We developed a sedimentation method using desktop ultracentrifugation (see description below) to visualize SARS-CoV-2 particles in suspensions from oro- and/or nasopharyngeal swabs by thin section electron microscopy. A detailed description of the methods and the data set is provided in the download container.</p> <p>Data set 03 is a stitched image montage recorded from an area of a thin section through the sediment obtained from a swab sample which was positive by quantitative PCR (delta variant). One infected ciliated cell is visible in the center of the recorded area. Virus particles are visible within membrane-bound compartments of the cytoplasm. Spike visibility is poor and some virus particles appear compressed.</p> <p>Related publication: Laue M, Hoffmann T, Michel J, Nitsche A. Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy. Virol J. 2023 Feb 6;20(1):21. doi: 10.1186/s12985-023-01981-9. PMID: 36747188; PMCID: PMC9901382.</p>
Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy – data set 04
<p>We developed a sedimentation method using desktop ultracentrifugation (see description below) to visualize SARS-CoV-2 particles in suspensions from oro- and/or nasopharyngeal swabs by thin section electron microscopy. A detailed description of the methods and the data set is provided in the download container.</p> <p>Data set 04 is a stitched image montage recorded from an area of a thin section through the sediment obtained from a swab sample which was negative by quantitative PCR (negative control). The recorded area shows the profiles of four keratinocytes which are surrounded by heterogenous material (e.g. membrane lamella, needle-like crystals, round profiles with a fine-fibrous matrix). Virus partricles are not visible.</p> <p>Related publication: Laue M, Hoffmann T, Michel J, Nitsche A. Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy. Virol J. 2023 Feb 6;20(1):21. doi: 10.1186/s12985-023-01981-9. PMID: 36747188; PMCID: PMC9901382.</p>
Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy – data set 01
<p>We developed a sedimentation method using desktop ultracentrifugation (see description below) to visualize SARS-CoV-2 particles in suspensions from oro- and/or nasopharyngeal swabs by thin section electron microscopy. A detailed description of the methods and the data set is provided in the download container.</p> <p>Data set 01 is a stitched image montage recorded from an area of a thin section through the sediment obtained from a swab sample which was positive by quantitative PCR (delta variant). Two, more or less, intact ciliated cells are visible and surrounded by other cells or cellular debris. The ciliated cell in the upper right corner is infected with SARS-CoV-2. Virus particles are visible within membrane-bound compartments of the cytoplasm. Several double-membrane vesicles, which are typical compartments of the coronavirus replication machinery, are also detectable.</p> <p>Related publication: Laue M, Hoffmann T, Michel J, Nitsche A. Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy. Virol J. 2023 Feb 6;20(1):21. doi: 10.1186/s12985-023-01981-9. PMID: 36747188; PMCID: PMC9901382.</p>
Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy – data set 02
<p>We developed a sedimentation method using desktop ultracentrifugation (see description below) to visualize SARS-CoV-2 particles in suspensions from oro- and/or nasopharyngeal swabs by thin section electron microscopy. A detailed description of the methods and the data set is provided in the download container.</p> <p>Data set 02 is a stitched image montage recorded from an area of a thin section through the sediment obtained from a swab sample which was positive by quantitative PCR (delta variant). One ciliated cell is visible and surrounded by cellular debris. The ciliated cell is infected with SARS-CoV-2. Few virus particles are visible within membrane-bound compartments of the cytoplasm. Numerous virus particles are located at the cell surface intermingled between the cilia. The virus particles of this cell appear deformed and deviate from the oval/circular profile which is usually present.</p> <p>Related publication: Laue M, Hoffmann T, Michel J, Nitsche A. Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy. Virol J. 2023 Feb 6;20(1):21. doi: 10.1186/s12985-023-01981-9. PMID: 36747188; PMCID: PMC9901382.</p>
Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy – data set 07
<p>We developed a sedimentation method using desktop ultracentrifugation (see description below) to visualize SARS-CoV-2 particles in suspensions from oro- and/or nasopharyngeal swabs by thin section electron microscopy. A detailed description of the methods and the data set is provided in the download container.</p> <p>Data set 07 comprises three stitched image montages recorded from an area of a thin section through the sediment obtained from a swab sample which was negative by quantitative PCR (control). Ciliated cells and extracellular material, such as vesicles and needle-like crystals, are visible, but no coronavirus particles.</p> <p>Related publication: Laue M, Hoffmann T, Michel J, Nitsche A. Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy. Virol J. 2023 Feb 6;20(1):21. doi: 10.1186/s12985-023-01981-9. PMID: 36747188; PMCID: PMC9901382.</p>
Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy – data set 06
<p>We developed a sedimentation method using desktop ultracentrifugation (see description below) to visualize SARS-CoV-2 particles in suspensions from oro- and/or nasopharyngeal swabs by thin section electron microscopy. A detailed description of the methods and the data set is provided in the download container.</p> <p>Data set 06 comprises three stitched image montages recorded from an area of a thin section through the sediment obtained from a swab sample which was negative by quantitative PCR (control). Ciliated cells and extracellular material, such as vesicles and needle-like crystals, are visible, but no coronavirus particles.</p> <p>Related publication: Laue M, Hoffmann T, Michel J, Nitsche A. Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy. Virol J. 2023 Feb 6;20(1):21. doi: 10.1186/s12985-023-01981-9. PMID: 36747188; PMCID: PMC9901382.</p>
Text-fig. 4. Thin section of premolar from a cave lion (Panthera spelaea), Ossuary II, 2a, 3b. in Seasonality Of Use Of Za Hájovnou Cave By Bears And Lions
Text-fig. 4. Thin section of premolar from a cave lion (Panthera spelaea), Ossuary II, 2a, 3b.
Text-fig. 5. Thin section of molar from a cave lion (Panthera spelaea), Chodba naděje, layer 3. in Seasonality Of Use Of Za Hájovnou Cave By Bears And Lions
Text-fig. 5. Thin section of molar from a cave lion (Panthera spelaea), Chodba naděje, layer 3.
Text-fig. 1. Thin section of canine from a bear (Ursus deningeri), Narozeninová chodba, layer 2b. in Seasonality Of Use Of Za Hájovnou Cave By Bears And Lions
Text-fig. 1. Thin section of canine from a bear (Ursus deningeri), Narozeninová chodba, layer 2b.
Pretraining convolutional neural networks for mudstones petrographic thin section image classification
<p>This dataset was used in the paper "Pretraining convolutional neural networks for mudstones petrographic thin section image classification"</p>
Serial thin section movie of every third section from the DTC to the distal extensions of Sh1 in a young adult hermaphrodite posterior gonad arm
<p>Gap-junctional signaling mediates myriad cellular interactions in metazoans. Yet, how gap junctions control the positioning of cells in organs is not well understood. Innexins compose gap junctions in invertebrates and affect organ architecture. Here, we investigate the roles of gap-junctions in controlling distal somatic gonad architecture and its relationship to underlying germline stem cells in <em>Caenorhabditis elegans</em>. We show that a reduction of soma-germline gap-junctional activity causes displacement of distal sheath cells (Sh1) towards the distal end of the gonad. We confirm, by live imaging, transmission electron microscopy, and antibody staining, that bare regions – lacking somatic gonadal cell coverage of germ cells – are present between the distal tip cell (DTC) and Sh1, and we show that an innexin fusion protein used in a prior study encodes an antimorphic poisonous gap junction subunit that mispositions Sh1. We determine that, contrary to the model put forth in the prior study based on this fusion protein, Sh1 mispositioning does not markedly alter the position of the borders of the stem cell pool nor of the progenitor cell pool. Together, these results demonstrate that gap junctions can control the position of Sh1, but that Sh1 position is neither relevant for GLP-1/Notch signaling nor for the exit of germ cells from the stem cell pool.</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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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.