Name: non-invasive 3d-visualization with sub-micron resolution using synchrotron-x-ray-tomography
Uploaded: 2008-05-27T00:00:00
Description: Watch this Scientific Journal Video about Non-invasive 3D-Visualization with Sub-micron Resolution Using Synchrotron-X-ray-tomography at JoVE.com

We thank Paavo Bergmann, Michael Laumann, and Sebastian Schmelzle for their help at the ESRF. This work was supported by the European Synchrotron Radiation Facility project SC-2127 through the allocation of beam time.

Animals used in this study
Specimens of the parthenogenetic oribatid mite Archegozetes longisetosus (Acari, Oribatida) were taken from our laboratory culture. The culture grows on a plaster of Paris/charcoal mix (9:1) in plastic jars, in constant dark at 20-23&deg;C with approximately 90% of air humidity.
Sample preparation
<ol>
<li>Specimens were taken from the culture, cleaned with a fine brush and placed in a 6:3:1 mixture of 80% ethanol, 35% formaldehyde and 100...

<ol>
	<li>Betz, O., Wegst, U., Weide, D., Heethoff, M., Helfen, L., Lee, W. -. K., Cloetens, P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Imaging+applications+of+synchrotron+X-ray+phase-contrast+microtomography+in+biological+morphology+and+biomaterial+science.+I.+General+aspects+of+the+technique+and+its+advantages+in+the+analysis+of+millimetre-sized+arthropod+structure.">Imaging applications of synchrotron X-ray phase-contrast microtomography in biological morphology and biomaterial science. I. General aspects of the technique and its advantages in the analysis of millimetre-sized arthropod structure.</a> J. Microscopy. 22, 51-71 (2007).</li><li>Cloetens, P., Barrett, R., Baruchel, J., Guigay, J. P., Schlenker, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Phase+objects+in+synchrotron+radiation+hard+X-ray+imaging.">Phase objects in synchrotron radiation hard X-ray imaging.</a> J. Phys. D: Appl. Phys. 29, 133-146 (1996).</li><li>Cloetens, P., Pateyron-Salome, M., Buffiere, J. Y., Peix, G., Baruchel, J., Peyrin, V., Schlenker, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Observation+in+microstructure+and+damage+in+materials+by+phase+sensitive+radiography+and+tomography.">Observation in microstructure and damage in materials by phase sensitive radiography and tomography.</a> J. Apll. Phys. 81, 5878-5886 (1997).</li><li>Clotens, P., Ludwig, W., Baruchel, J., van Dyck, D., van Landyut, J., Guigay, J. P., Schlenker, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Holotomography:+quantitative+phase+tomography+with+micrometer+resolution+using+hard+synchrotron+radiation+X-rays.">Holotomography: quantitative phase tomography with micrometer resolution using hard synchrotron radiation X-rays.</a> Appl. Phys. Lett. 75, 2912-2914 (1999).</li><li>Heethoff, M., Cloetens, P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+Comparison+of+aynchrotron+X-ray+phase+contrast+tomography+and+holotomography+for+non-invasive+investigations+of+the+internal+anatomy+of+mites.">A Comparison of aynchrotron X-ray phase contrast tomography and holotomography for non-invasive investigations of the internal anatomy of mites.</a> Soil Organisms. , (2008).</li></ol>

In this presentation, we focused on the 3D-visualization of the internal anatomy of a chelicerate micro-arthropod. The synchrotron X-ray measurements allow a pixel-resolution of down to 0.3&micro;m, depending on the size of the sample. Here, we have shown data with 0.7&micro;m pixel-resolution. Generally, synchrotron X-ray tomography can be useful for analysing small biological materials (or tissues) with low X-ray attenuation. The pixel resolution almost reaches that of conventional light microscopy. The technique can b...

non-invasive 3d-visualization with sub-micron resolution using synchrotron-x-ray-tomography

Little is known about the internal organization of many micro-arthropods with body sizes below 1 mm. The reasons for that are the small size and the hard cuticle which makes it difficult to use protocols of classical histology. In addition, histological sectioning destroys the sample and can therefore not be used for unique material. Hence, a non-destructive method is desirable which allows to view inside small samples without the need of sectioning.
We used synchrotron X-ray tomography at the European Synchrotron Radiation Facility (ESRF) in Grenoble (France) to non-invasively produce 3D tomographic datasets with a pixel-resolution of 0.7&micro;m. Using volume rendering software, this allows us to reconstruct the internal organization in its natural state without the artefacts produced by histological sectioning. These date can be used for quantitative morphology, landmarks, or for the visualization of animated movies to understand the structure of hidden body parts and to follow complete organ systems or tissues through the samples.

Watch this Scientific Journal Video about Non-invasive 3D-Visualization with Sub-micron Resolution Using Synchrotron-X-ray-tomography at JoVE.com

Non-invasive 3D-Visualization with Sub-micron Resolution Using Synchrotron-X-ray-tomography

We used synchrotron X-ray tomography at the European Synchrotron Radiation Facility (ESRF) to non-invasively produce 3D tomographic datasets with a pixel-resolution of 0.7&micro;m. Using volume rendering software, this allows the reconstruction of internal structures in their natural state without the artefacts produced by histological sectioning.

Little is known about the internal organization of many micro-arthropods with body sizes below 1 mm. The reasons for that are the small size and the hard ...

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