Proceedings ArticleDOI
New developments for synchrotron-radiation-based microtomography at DESY
Felix Beckmann,Tilman Donath,J. Fischer,Thomas Dose,T. Lippmann,Lars Lottermoser,R. V. Martins,A. Schreyer +7 more
TLDR
The beamline of the GKSS-Research Center Geesthacht in cooperation with Deutsches Elektronen-Synchrotron DESY, Hamburg, started operation in autumn 2005 as mentioned in this paper.Abstract:
In autumn 2005 the GKSS-Research Center Geesthacht in cooperation with Deutsches Elektronen-Synchrotron
DESY, Hamburg, started operation of the new synchrotron radiation beamline HARWI-2. The beamline is
specialized for materials science experiments using hard X-rays. Recently the fixed-exit monochromator for
imaging application was installed. Using different sets of crystals in combination with an adapted setup of the
beamline optics allow for using an intense and large monochromatic X-ray beam in the energy range of 15 to
200 keV. Investigations performing microtomography in the different energy regions are presented. Furthermore
the user experiment for microtomography operated by the GKSS at beamline BW2 was enhanced to perform
continuous tomographic investigations.read more
Citations
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Journal ArticleDOI
The morphology of anisotropic 3D-printed hydroxyapatite scaffolds
Fabienne C. Fierz,Felix Beckmann,Marius Huser,Stephan Irsen,Barbara Leukers,Frank Witte,Özer Degistirici,Adrian Andronache,Michael Thie,Bert Müller,Bert Müller +10 more
TL;DR: Histological analysis of the scaffolds seeded with osteogenic-stimulated progenitor cells has confirmed the suitability of the 3D-printed scaffolds for potential clinical applications.
Journal ArticleDOI
Morphological and molecular evidence converge upon a robust phylogeny of the megadiverse Holometabola
Rolf G. Beutel,Frank Friedrich,Thomas Hörnschemeyer,Hans Pohl,Frank Hünefeld,Felix Beckmann,Rudolf Meier,Bernhard Misof,Michael F. Whiting,Lars Vilhelmsen +9 more
TL;DR: It is argued that even in the “age of phylogenomics”, comparative morphology will still play a vital role and is essential for reconstructing major evolutionary transformations at the phenotypic level, for testing evolutionary scenarios, and for placing fossil taxa.
Journal ArticleDOI
The larval head of Nevrorthidae and the phylogeny of Neuroptera (Insecta)
TL;DR: The results are in agreement with an aquatic ancestor of Neuroptera and secondarily acquired terrestrial habits within the lineage (Neuroptera exclusive of Nevrorthidae), and another invasion of the aquatic environment by Sisyridae.
Journal ArticleDOI
Catalysts at work: From integral to spatially resolved X-ray absorption spectroscopy
Jan-Dierk Grunwaldt,Bertram Kimmerle,Alfons Baiker,P. Boye,Christian G. Schroer,Pieter Glatzel,Camelia N. Borca,Felix Beckmann +7 more
TL;DR: In this paper, the X-ray absorption spectroscopy (XAS) was used to study the structure and distribution of the catalysts inside a catalytic quartz glass microreactor.
Journal ArticleDOI
Thermal degradation of polyetherimide joined by friction riveting (FricRiveting). Part I: Influence of rotation speed
TL;DR: In this paper, the thermal degradation of polyetherimides joined by friction riveting (FricRiveting) has been investigated for varying rotation speeds, and the rotation speed is an important variable to be understood in order to predict thermal degradation during this process.
References
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Design and performance of the high-flux/high-brightness x-ray wiggler beamline BW2 at HASYLAB
TL;DR: The wiggler beamline BW2 at HASYLAB provides an intense monochromatic photon beam in the x-ray range from 2.02 to 33.5 keV for a diversity of experimental X-ray techniques such as surface diffraction, photoemission, absorption, microtomography, standing waves.
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Double beam bent Laue monochromator for coronary angiography
G. Illing,J. Heuer,B. Reime,M. Lohmann,Ralf Hendrik Menk,L. Schildwächter,W.-R. Dix,W. Graeff +7 more
TL;DR: In this article, a monochromator in Laue transmission geometry has been developed, successfully tested at beamline ID11 of the European Synchrotron Radiation Facility (ESRF) and is now in use at the angiography wiggler beamline W2 at HASYLAB.
Proceedings ArticleDOI
Microstructural analysis of lignocellulosic fiber networks
TL;DR: In this paper, the structure of wood based medium density fiberboard (MDF) has been studied using synchrotron radiation-based======¯¯¯¯x-ray microtomography (SRμCT) in order to gain information about individual fibers, the distribution of the fiber material, fiber orientation, fiber surfaces and size and location of contact areas.
Proceedings ArticleDOI
Microtomography using synchrotron radiation at DESY: current status and future developments
Felix Beckmann,Tilman Donath,Thomas Dose,Thomas Lippmann,R.V. Martins,Joachim Metge,Andreas Schreyer +6 more
TL;DR: In this paper, the authors presented the X-ray micro-tomography system which is operated at the Hamburger Synchrotronstrahlungslabor HASYLAB of the Deutsches Elektronen-Synchoretron DESY in Hamburg, Germany.