Results 11 to 20 of about 8,105,618 (257)

X‐ray Stain Localization with Near‐Field Ptychographic Computed Tomography

Advanced Science, 2022
Although X‐ray contrast agents offer specific characteristics in terms of targeting and attenuation, their accumulation in the tissue on a cellular level is usually not known and difficult to access, as it requires high resolution and sensitivity.
Kirsten Taphorn, Madleen Busse, Johannes Brantl, Benedikt Günther, Ana Diaz, Mirko Holler, Martin Dierolf, Doris Mayr, Franz Pfeiffer, Julia Herzen   +9 more
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In-situ Analysis of Laminated Composite Materials by X-ray Micro-Computed Tomography and Digital Volume Correlation [PDF]

, 2013
The complex mechanical behaviour of composite materials, due to internal heterogeneity and multi-layered composition impose deeper studies. This paper presents an experimental investigation technique to perform volume kinematic measurements in composite ...
Dupré, J.C., Doumalin, Pascal, Germaneau, Arnaud, Brault, Romain, Fazzini, Marina, Brault, R., Doumalin, P., Mistou, Sébastien, Germaneau, A., Dupré, Jean-Christophe   +9 more
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Contrast-enhanced micro-computed tomography visualization of adhesively bonded CFRP/aluminum tubular joints [PDF]

Nanoscale Advances
Multi-material adhesively bonded joints between carbon fiber reinforced polymers (CFRPs) and metals are used in many high-end applications in automotive and aerospace industries, with adhesives having multiple benefits over mechanical fasteners. However,
John De Vos, Sascha Senck, Iván Josipovic, Matthieu N. Boone, Klaartje De Buysser   +4 more
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X-ray computed tomography in life sciences

BMC Biology, 2020
Recent developments within micro-computed tomography (μCT) imaging have combined to extend our capacity to image tissue in three (3D) and four (4D) dimensions at micron and sub-micron spatial resolutions, opening the way for virtual histology, live cell ...
Shelley D. Rawson, Jekaterina Maksimcuka, Philip J. Withers, Sarah H. Cartmell   +3 more
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Error Sources

, 2022
S.143-184In this chapter, an identification and classification of influence factors in X-ray computed tomography metrology is given. A description of image artefacts commonly encountered in industrial X-ray computed tomography is presented together with ...
Kasperl, S., Chiffre, L. de, Stolfi, A.
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Microfocus X-ray computed tomography analysis of corroded glass objects

, 2022
S.93-99Microfocus X-ray computed tomography (mu CT) is a useful tool for non-destructive analysis of corroded archaeological glass objects and for monitoring restoration and conservation processes for these materials.
Mees, F., Carbo, M.T.D., Jacobs, P., Cornelis, E., Römich, H.   +4 more
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X-ray computed tomography data structure tensor orientation mapping for finite element models - STXAE [PDF]

, 2022
Accurate modelling of fibre-reinforced composites requires anisotropic material models. Structure tensor analysis of X-ray 3D images has been shown to provide fast and robust estimation of local structural orientations in fibre-reinforced composites.
Dahl, Vedrana A., Dahl, Vedrana Andersen,, Dahl, Vedrana Andersen, Mikkelsen, Lars,, Asp, Leif E., Mikkelsen, Lars, Auenhammer, Robert M., Auenhammer, Robert, Jeppesen, Niels, Mikkelsen, Lars Pilgaard, Asp, Leif, Asp, Leif,, Jeppesen, Niels,, Auenhammer, Robert,, Robert M. Auenhammer, Vedrana A. Dahl, Niels Jeppesen, Leif E. Asp, Lars P. Mikkelsen   +18 more
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3D ultrastructural organization of whole Chlamydomonas reinhardtii cells studied by nanoscale soft x-ray tomography [PDF]

, 2012
The complex architecture of their structural elements and compartments is a hallmark of eukaryotic cells. The creation of high resolution models of whole cells has been limited by the relatively low resolution of conventional light microscopes and the ...
Achilleas S. Frangakis, Hummel, E., Michael Kunz, Eric Hummel, Werner, Stephan, Basel Tarek, Frangakis, Achilleas S., Gerd Schneider, Frangakis, A.S., Tarek, B., Schneider, G., Westermann, B., Basel Tarek (107662), Michael Kunz (107666), Hummel, Eric, Werner, S., Stephan Werner, Tarek, Basel, Benedikt Westermann (107668), Guttmann, Peter, Westermann, Benedikt, Benedikt Westermann, Peter Guttmann, Stephan Werner (107660), Gerd Schneider (107664), Kunz, Michael, Achilleas S. Frangakis (107667), Peter Guttmann (107658), Kunz, M., Achilleas S Frangakis, Eric Hummel (107656), Guttmann, P., Schneider, Gerd, Werner Stephan, Kunz Michael, Westermann Benedikt, Tarek Basel, Frangakis Achilleas S., Guttmann Peter, Hummel Eric, Schneider Gerd   +40 more
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Principles of X-ray computed tomography

, 2017
In this chapter, the physical and mathematical principles of X-ray computed tomography are summarised. First, the fundamentals of X-ray physics are covered, with details on generation, propagation and attenuation of X-rays, including a brief introduction
Simone Carmignato, Petr Hermanek, Valentina Aloisi, Rathore, Jitendra Singh, Aloisi, Valentina, Hermanek, Petr, Carmignato, Simone, Jitendra Singh Rathore   +7 more
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Algorithms for joint activity–attenuation estimation from positron emission tomography scatter

EJNMMI Physics, 2019
Background Attenuation correction in positron emission tomography remains challenging in the absence of measured transmission data. Scattered emission data may contribute missing information, but quantitative scatter-to-attenuation (S2A) reconstruction ...
Yannick Berker, Volkmar Schulz, Joel S. Karp   +2 more
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