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406 results for “micro-CT”
Video 5 from: Hita Garcia F, Fischer G, Liu C, Audisio TL, Economo EP (2017) Next-generation morphological character discovery and evaluation: an X-ray micro-CT enhanced revision of the ant genus Zasphinctus Wheeler (Hymenoptera, Formicidae, Dorylinae) in the Afrotropics. ZooKeys 693: 33-93. https://doi.org/10.3897/zookeys.693.13012
Video 5 - 3D rotation video of full body of Zasphinctus sarowiwai sp. n. holotype worker (CASENT0764654). False-colour volume rendering of segmented mesosoma and metasoma musculature (red) and sting apparatus (green) superimposed on semitransparent surface model.
Video 4 from: Hita Garcia F, Fischer G, Liu C, Audisio TL, Economo EP (2017) Next-generation morphological character discovery and evaluation: an X-ray micro-CT enhanced revision of the ant genus Zasphinctus Wheeler (Hymenoptera, Formicidae, Dorylinae) in the Afrotropics. ZooKeys 693: 33-93. https://doi.org/10.3897/zookeys.693.13012
Video 4 - 3D rotation video of segmented surface reconstructions of the mouthparts of Zasphinctus sarowiwai sp. n. (CASENT0764652) in open configuration (green= maxillae; yellow=labrum; orange=labium).
Video 3 from: Hita Garcia F, Fischer G, Liu C, Audisio TL, Economo EP (2017) Next-generation morphological character discovery and evaluation: an X-ray micro-CT enhanced revision of the ant genus Zasphinctus Wheeler (Hymenoptera, Formicidae, Dorylinae) in the Afrotropics. ZooKeys 693: 33-93. https://doi.org/10.3897/zookeys.693.13012
Video 3 - 3D rotation video of Zasphinctus wilsoni sp. n. holotype worker (MCZ-ENT-00512764) based on shaded volumetric surface rendering of full body.
Video 1 from: Hita Garcia F, Fischer G, Liu C, Audisio TL, Economo EP (2017) Next-generation morphological character discovery and evaluation: an X-ray micro-CT enhanced revision of the ant genus Zasphinctus Wheeler (Hymenoptera, Formicidae, Dorylinae) in the Afrotropics. ZooKeys 693: 33-93. https://doi.org/10.3897/zookeys.693.13012
Video 1 - 3D rotation video of Zasphinctus obamai sp. n. holotype worker (CASENT0764125) based on shaded volumetric surface rendering of full body.
Figure 1 from: Samyn Y, Sonet G, d'Acoz C (2021) Exploring the use of micro-computed tomography (micro-CT) in the taxonomy of sea cucumbers: a case-study on the gravel sea cucumber Neopentadactyla mixta (Östergren, 1898) (Echinodermata, Holothuroidea, Phyllophoridae). ZooKeys 1054: 173-184. https://doi.org/10.3897/zookeys.1054.67088
Figure 1 Neopentadactyla mixta (Östergren, 1898) A focus-stacked view of the dorsal-lateral view of dissected specimen B focus-stacked view of the ventral–lateral view of dissected specimen C focus-stacked view of the dorsal–lateral view of a non-dissected specimen D focus-stacked view of the ventral–lateral view of a non-dissected specimen ESEM view of the rosettes from the shaft of a tentacle FSEM view of the 2-pillared tables from the introvert GSEM view of the rods and rosettes from a tentacle tip HSEM view of the 4-pillared tables from the dorsal body wall ISEM view of the 4-pillared tables from the ventral body wall JSEM view of the plates from the dorsal tube feet KSEM view of the plates from the ventral tube feet LSEM view of half of an end-plate from a ventral tube foot. Scale bars: 1 cm (A–D); 50 μm (E–L).
Figure 2 from: Samyn Y, Sonet G, d'Acoz C (2021) Exploring the use of micro-computed tomography (micro-CT) in the taxonomy of sea cucumbers: a case-study on the gravel sea cucumber Neopentadactyla mixta (Östergren, 1898) (Echinodermata, Holothuroidea, Phyllophoridae). ZooKeys 1054: 173-184. https://doi.org/10.3897/zookeys.1054.67088
Figure 2 Neopentadactyla mixta (Östergren, 1898) A micro-CT scan visualizing the position of the calcareous ring B lateral view with micro-CT imaging of the anterior part of the calcareous ring (AR: most anterior radial piece; AIR: most anterior interradial pieces; SAR: subsequent anterior radial pieces; SAIR: subsequent interradial anterior pieces; Mesh: meshwork of radial and interradial median to distal pieces) C oblique view with micro-CT imaging showing a guttered internal side of the calcareous ring D focus-stacked view of the calcareous ring and associated structures (T: tentacles; LM: longitudinal muscle with bifurcation point (BfP); PV: Polian vesicle: SC: stone canal). Scale bars: 1 cm (A–D).
Confocal and micro-CT data of Delteredolaemus hei, holotype, NIGP200000
<p>This dataset contains the raw confocal laser scanning microscopy (CLSM) slices and X-ray microtomography (micro-CT) slices for the holotype of <em>Delteredolaemus hei</em> (NIGP200000) from mid-Cretaceous Burmese amber. This dataset is associated with the publication "Earliest teredid beetle from mid-Cretaceous amber of northern Myanmar (Coleoptera: Coccinelloidea: Teredidae): new genus and species" (DOI:10.1590/S1984-4689.v39.e22042).</p> <p>Confocal images were obtained with a Zeiss LSM710 confocal laser scanning microscope, using the 488 nm (Argon) laser excitation line. The original CZI files are provided, which could be opened by the ZEISS ZEN software.</p> <p>Micro-CT data were obtained with a Zeiss Xradia 520 Versa 3D X-ray microscope. Scanning parameters were as follows: isotropic voxel size, 2.2514 μm; power, 3 W; acceleration voltage, 40 kV; exposure time, 2 s; projections, 2701. The TIFF stack is provided.</p>
Confocal and micro-CT data of Granulobium whitei, holotype, NIGP201648
<p>This dataset contains the raw confocal laser scanning microscopy (CLSM) slices and X-ray microtomography (micro-CT) slices for the holotype of <em>Granulobium whitei</em> (NIGP201648) from mid-Cretaceous Burmese amber. This dataset is associated with the publication "Earliest fossil record of Eucradinae in mid-Cretaceous amber from northern Myanmar (Coleoptera: Ptinidae)" (DOI:10.3140/bull.geosci.1876).</p> <p>Confocal images were obtained with a Zeiss LSM710 confocal laser scanning microscope, using the 488 nm (Argon) laser excitation line. The original CZI files are provided, which could be opened by the ZEISS ZEN software.</p> <p>Micro-CT data were obtained with a Zeiss Xradia 520 Versa 3D X-ray microscope. Scanning parameters were as follows: isotropic voxel size, 2.6255 μm; power, 4 W; acceleration voltage, 50 kV; exposure time, 1.5 s; projections, 3001. The TIFF stack is provided.</p>
Micro-CT tomographic data set of 38 mummy labels from the BNU in Strasbourg (1/2)
<p><strong>Summary</strong></p> <p>This submission contains a tomographic dataset of 38 mummy labels from the BNU in Strasbourg used to perceive the anatomical identification possibilities of the woods used for mummy labels and to carry out ring width measurements. The data will be made available as part of [Blondel et al., 2024].</p> <p><strong>Apparatus</strong></p> <p>The dataset is acquired using the EasyTom 150/160 X-ray tomograph (RX Solutions). This tomograph is equipped with a sealed X-ray generator with a compact tube and an interchangeable-plane sensor fitted with a CsI scintillator. The CT scanner parameters for the session carried out on the mummy labels were set at 90 Kv with an intensity of 195 mA for an acquisition resolution varying between 11 and 42 µm with 2016 projections (that is about 20 images on average per projection) with a frame rate of 12,5 and a temperature of 28°C. Each image was then reconstructed by filtered retroprojection using the XAct software (RX Solutions).</p> <p><strong>Information on placing mummy labels in the tomograph</strong></p> <p>The installation of the mummy labels was the same for all the different labels, some of which varied in size. They were attached to a plastic clamping vice-type support covered in expanded foam to prevent the labels from being marked during clamping, before being placed on the tomograph's rotating platform.</p> <p><strong>Issues relating to the data collected</strong></p> <p>The data collected for this study were carried out to perceive the possibilities of anatomical identification from tomographic images in the transverse plane. The tangential and radial planes were not of sufficiently high resolution due to the dimensions of the mummy labels, see details in [Blondel et al., 2024]. The other objective was to use tomographic imagery to facilitate the acquisition of ring widths in the transverse plane of mummy labels. The mummy labels were not tomographed in their entirety. Only the central part, a few centimetres high, was tomographed to maximise resolution. The number of projections and the resolution per label are specified in table form in [Blondel et al., 2024], as they vary according to the width and thickness of the mummy labels. All raw tomography image data (i.e. without corrections) are available in .tif format. The post-processing steps are described in the methodology of [Blondel et al., 2024].</p> <p><strong>List of Contents</strong></p> <p>The content of the submission is divided into 38 data sets corresponding to the 38 mummy labels. Each set is labelled with the inventory number of the BNU mummy label and its resolution. Each set contains:<br>- All the images of the transverse plane in .tif format, the number of projections of which varies from one label to another depending on the resolution of the acquisitions, see details in [Blondel et al., 2024].<br>- The .xls file containing a summary of the scanner metadata for each of the mummy labels.<br>- The three images processed in the transverse plane for each label, including those used to measure ring width for the 7 labels for which ring width measurement was possible, as presented in [Blondel et al., 2024].<br>- Colour photographs of the front and back of each tomographed mummy label including those on which ring width measurements were taken on their surface, unless otherwise stated<a title="" href="#_ftn1" name="_ftnref1">[1]</a>. All these photographs are marked: Coll._et_photogr._BNU_Strasbourg_OpenLicence, accompanied by the inventory number.</p> <p><strong>Acknowledgments</strong></p> <p>We would also like to thank engineers Damien Favier and Antoine Egele from the Charles Sadron Institute for their work on the tomographic acquisitions carried out on the 38 mummy labels.</p> <div><br> <div> <p><a title="" href="#_ftnref1" name="_ftn1">[1]</a> The photographs of the front and back of mummy label HO255 are not available, as they are currently being studied.</p> </div> </div>
Data from: X-ray micro-CT scanning reveals temporal separation of male harm and female kicking during traumatic mating in seed beetles
Open the record for dataset details and reuse information.
Data from: Beauty is more than skin deep: a non-invasive protocol for in vivo anatomical study using micro-CT
Open the record for dataset details and reuse information.
Data from: A novel mouse segmentation method based on dynamic contrast enhanced micro-CT images
Open the record for dataset details and reuse information.
Figure 1 from: Staab M, Hita Garcia F, Liu C, Xu Z-H, Economo EP (2018) Systematics of the ant genus Proceratium Roger (Hymenoptera, Formicidae, Proceratiinae) in China – with descriptions of three new species based on micro-CT enhanced next-generation-morphology. ZooKeys 770: 137-192. https://doi.org/10.3897/zookeys.770.24908
Figure 1 Petiole in profile view. A P. japonicum (CASENT0790834) B P. itoi (OKENT0016142).
Figure 5 from: Staab M, Hita Garcia F, Liu C, Xu Z-H, Economo EP (2018) Systematics of the ant genus Proceratium Roger (Hymenoptera, Formicidae, Proceratiinae) in China – with descriptions of three new species based on micro-CT enhanced next-generation-morphology. ZooKeys 770: 137-192. https://doi.org/10.3897/zookeys.770.24908
Figure 5 Propodeum and petiole in profile. A P. itoi (OKENT0016142) B P. kepingmai (CASENT0790031).
Micro-CT dataset of the paper Taxonomic analysis of the genital plates and associated structures in Ophiuroidea (Echinodermata)
<p>Dataset of reconstructed micro-CT scan data of disc sections of various species of brittle star. See Readme file for details.</p> <p>The scans were performed to examine genital plates and associated structures and therefore include only a section of the disc of each animal. For further information, please see the publication.</p>
Variability in Micro-CT Imaging Results to Quantify Dialyzer Clotting
ClinicalTrials.gov study NCT06140563. IPD Sharing: NO. Countries: 1. Publications: 0.
X-ray Micro-Tomography (micro-CT)
X-ray micro-tomography (micro-CT) is a non-destructive imaging technique that provides resolution of material microstructures in three dimensions at scales from hundreds of nanometers to centimeters. The technique is used at NASA Ames Research Center to investigate a variety of advanced materials, including lightweight composite heatshields for atmospheric entry, woven materials, parachute textiles and meteoroids. Data are collected using both synchrotron and laboratory-based X-ray sources. Synchrotron micro-CT is performed in collaboration with the beamline 8.3.2 at the Advanced Light Source at Lawrence Berkeley National Laboratory. High-fidelity digital representations of microstructures obtained from micro-CT are used as framework to perform predictive simulations of effective material properties and material response using high performance computing.
FIGURE 20 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 20. Map of northern Madagascar showing confirmed localities for all described members of the Rhombophryne serratopalpebrosa group. The type locality of R. guentherpetersi is inferred by us to be Maromokotro mountain. The second locality of R. vaventy in Sorata is from Frost et al. (2006) based on its relationships in Scherz et al. (2016b) and Lambert et al. (2017). Map produced in QGIS v2.8.2-Wien (QGIS Development Team, 2016) using SRTM 90 m raster data.
FIGURE 7 in A review of the taxonomy and osteology of the Rhombophryne serratopalpebrosa species group (Anura: Microhylidae) from Madagascar, with comments on the value of volume rendering of micro-CT data to taxonomists
FIGURE 7. Osteology of Rhombophryne guentherpetersi (MNHN 1953.165). Full skeleton in (a) dorsal, (b) ventral, and (c) lateral view; skull in (d) dorsal, (e) ventral, and (f) lateral view. Abbreviations: angspl = angulosplenial, col = columella, exoc = exoccipital, fpar = frontoparietal, max = maxilla, mmk = mentomeckelian, npl = neopalatine, pmx = premaxilla, povom = postchoanal vomer, proot = prootic, prvom = prechoanal vomer, prsph = parasphenoid, pter = pterygoid, qj = quadratojugal, smax = septomaxilla, spheth = sphenethmoid, sq = squamosal.
Utility of micro-CT for dating post-cranial fractures of known post-traumatic ages through 3D measurements of the trabecular inner morphology
<p>Dataset for the study</p>
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