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High resolution 3D laboratory x-ray tomography data of femora from young, 1-14 day old C57BL/6 mice.

ABSTRACT: This data article contains high resolution (1.2 µm effective pixel size) lab-based micro-computed tomography (µCT) reconstructed volume data of the femoral mid-shafts from young C57BL/6 mice. This data formed the basis for the analyses of bone structural development in healthy mice, including closed and open porosity as reported in Bortel et al. [1]. The data reveals changes seen in bone material and porosity distribution observed when mouse bones transform from porous scaffolds into solid structures during normal organogenesis.

SUBMITTER: Bortel EL

PROVIDER: S-EPMC4510367 | biostudies-other | 2015 Sep

REPOSITORIES: biostudies-other

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High resolution 3D laboratory x-ray tomography data of femora from young, 1-14 day old C57BL/6 mice.

Bortel Emely L EL Duda Georg N GN Mundlos Stefan S Willie Bettina M BM Fratzl Peter P Zaslansky Paul P

Data in brief 20150420

This data article contains high resolution (1.2 µm effective pixel size) lab-based micro-computed tomography (µCT) reconstructed volume data of the femoral mid-shafts from young C57BL/6 mice. This data formed the basis for the analyses of bone structural development in healthy mice, including closed and open porosity as reported in Bortel et al. [1]. The data reveals changes seen in bone material and porosity distribution observed when mouse bones transform from porous scaffolds into solid struc ...[more]

PMID: 26217757

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Project description:Computed tomography remains strongly underused in plant sciences despite its high potential in delivering detailed 3D phenotypical information because of the low X-ray absorption of most plant tissues. Existing protocols to study soft tissues display poor performance, especially when compared to those used on animals. More efficient protocols to study plant material are therefore needed. Flowers of Arabidopsis thaliana and Marcgravia caudata were immersed in a selection of contrasting agents used to treat samples for transmission electron microscopy. Grayscale values for floral tissues and background were measured as a function of time. Contrast was quantified via a contrast index. The thick buds of Marcgravia were scanned to determine which contrasting agents best penetrate thick tissues. The highest contrast increase with cytoplasm-rich tissues was obtained with phosphotungstate, whereas osmium tetroxide and bismuth tatrate displayed the highest contrast increase with vacuolated tissues. Phosphotungstate also displayed the best sample penetration. Furthermore, infiltration with phosphotungstate allowed imaging of all plants parts at a high resolution of 3 µm, which approaches the maximum resolution of our equipment: 1.5 µm. The high affinity of phosphotungstate for vasculature, cytoplasm-rich tissue, and pollen causes these tissues to absorb more X-rays than the surrounding tissues, which, in turn, makes these tissues appear brighter on the scan data. Tissues with different brightness can then be virtually dissected from each other by selecting the bracket of grayscale to be visualized. Promising directions for the future include in silico phenotyping and developmental studies of plant inner parts (e.g., ovules, vasculature, pollen, and cell nuclei) via virtual dissection as well as correlations of quantitative phenotypes with omics datasets. Therefore, this work represents a crucial improvement of previous methods, allowing new directions of research to be undertaken in areas ranging from morphology to systems biology.

Dataset Information

High resolution 3D laboratory x-ray tomography data of femora from young, 1-14 day old C57BL/6 mice.

Publications

High resolution 3D laboratory x-ray tomography data of femora from young, 1-14 day old C57BL/6 mice.

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