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17 results on '"Laznovsky, Jakub"'

2. Ex-vivo Evaluation of Newly Formed Bone After Lumbar Interbody Fusion Surgery Using X-ray Micro Computed Tomography

Author

Laznovsky, Jakub, Brinek, Adam, Zikmund, Tomas, Kaiser, Jozef, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Su, Ruidan, editor, Zhang, Yudong, editor, Liu, Han, editor, and F Frangi, Alejandro, editor

Published
2023
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6. Laboratory X-ray tomography for metal additive manufacturing: Round robin test

Author

du Plessis, Anton, le Roux, Stephan G., Waller, Jess, Sperling, Philip, Achilles, Nils, Beerlink, Andre, Métayer, Jean-François, Sinico, Mirko, Probst, Gabriel, Dewulf, Wim, Bittner, Florian, Endres, Hans-Josef, Willner, Marian, Drégelyi-Kiss, Ágota, Zikmund, Tomas, Laznovsky, Jakub, Kaiser, Jozef, Pinter, Pascal, Dietrich, Stefan, Lopez, Elena, Fitzek, Oliver, and Konrad, Porebski

Published
2019
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8. Sex differences and risk factors for bleeding in Alagille syndrome

Author

Hankeova, Simona, primary, Van Hul, Noemi, additional, Laznovsky, Jakub, additional, Verboven, Elisabeth, additional, Mangold, Katrin, additional, Hensens, Naomi, additional, Adori, Csaba, additional, Verhoef, Elvira, additional, Zikmund, Tomas, additional, Dawit, Feven, additional, Kavkova, Michaela, additional, Salplachta, Jakub, additional, Sjöqvist, Marika, additional, Johansson, Bengt R, additional, Hassan, Mohamed G, additional, Fredriksson, Linda, additional, Baumgärtel, Karsten, additional, Bryja, Vitezslav, additional, Lendahl, Urban, additional, Jheon, Andrew, additional, Alten, Florian, additional, Fahnehjelm, Kristina Teär, additional, Fischler, Björn, additional, Kaiser, Jozef, additional, and Andersson, Emma R, additional

Published
2022
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9. Automatic 3D analysis of the ex-vivo porcine lumbar interbody fusion based on X-ray micro computed tomography data

Author

Laznovsky, Jakub, primary, Brinek, Adam, additional, Zikmund, Tomas, additional, Boudova, Marketa, additional, Vojtova, Lucy, additional, Dorazilova, Jana, additional, Trunec, Martin, additional, Stastny, Premysl, additional, Krticka, Milan, additional, Planka, Ladislav, additional, Ira, Daniel, additional, Faldyna, Martin, additional, and Kaiser, Jozef, additional

Published
2022
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10. Bleeding in patients and mice with Alagille syndrome: sex differences and risk factors

Author

Hankeova, Simona, primary, Van Hul, Noemi, additional, Laznovsky, Jakub, additional, Hensen, Naomi, additional, Verhoef, Elvira, additional, Zikmund, Tomas, additional, Dawit, Feven, additional, Kavkova, Michaela, additional, Salplachta, Jakub, additional, Li, Liting, additional, Sjöqvist, Marika, additional, Johansson, Bengt R., additional, Hassan, Mohamed, additional, Bryja, Vitezslav, additional, Lendahl, Urban, additional, Jheon, Andrew, additional, Wang, Jian She, additional, Alten, Florian, additional, Teär Fahnehjelm, Kristina, additional, Fischler, Björn, additional, Kaiser, Jozef, additional, and Andersson, Emma R., additional

Published
2021
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11. DUCT reveals architectural mechanisms contributing to bile duct recovery in a mouse model for Alagille syndrome

Author

Hankeova, Simona, primary, Salplachta, Jakub, additional, Zikmund, Tomas, additional, Kavkova, Michaela, additional, Van Hul, Noémi, additional, Brinek, Adam, additional, Smekalova, Veronika, additional, Laznovsky, Jakub, additional, Dawit, Feven, additional, Jaros, Josef, additional, Bryja, Vítězslav, additional, Lendahl, Urban, additional, Ellis, Ewa, additional, Nemeth, Antal, additional, Fischler, Björn, additional, Hannezo, Edouard, additional, Kaiser, Jozef, additional, and Andersson, Emma Rachel, additional

Published
2021
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12. Author response: DUCT reveals architectural mechanisms contributing to bile duct recovery in a mouse model for Alagille syndrome

Author

Hankeova, Simona, primary, Salplachta, Jakub, additional, Zikmund, Tomas, additional, Kavkova, Michaela, additional, Van Hul, Noémi, additional, Brinek, Adam, additional, Smekalova, Veronika, additional, Laznovsky, Jakub, additional, Dawit, Feven, additional, Jaros, Josef, additional, Bryja, Vítězslav, additional, Lendahl, Urban, additional, Ellis, Ewa, additional, Nemeth, Antal, additional, Fischler, Björn, additional, Hannezo, Edouard, additional, Kaiser, Jozef, additional, and Andersson, Emma Rachel, additional

Published
2020
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13. Double resin casting micro computed tomography (CT) reveals biliary and vascular pathology in tandem in a mouse model for alagille syndrome

Author

Hankeova, Simona, primary, Salplachta, Jakub, additional, Zikmund, Tomas, additional, Kavkova, Michaela, additional, Van Hul, Noémi K.M., additional, Brinek, Adam, additional, Smekalova, Veronika, additional, Laznovsky, Jakub, additional, Jaros, Josef, additional, Bryja, Vitezslav, additional, Lendahl, Urban, additional, Ellis, Ewa, additional, Hannezo, Edouard, additional, Kaiser, Jozef, additional, and Andersson, Emma, additional

Published
2020
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14. DoUble resin casting micro computed tomography (DUCT) reveals biliary and vascular pathology in a mouse model of Alagille syndrome

Author

Hankeova, Simona, primary, Salplachta, Jakub, additional, Zikmund, Tomas, additional, Kavkova, Michaela, additional, Van Hul, Noemi, additional, Brinek, Adam, additional, Smekalova, Veronika, additional, Laznovsky, Jakub, additional, Jaros, Josef, additional, Bryja, Vitezslav, additional, Lendahl, Urban, additional, Ellis, Ewa, additional, Hannezo, Edouard, additional, Kaiser, Jozef, additional, and Andersson, Emma R, additional

Published
2019
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15. Laboratory X-ray tomography for metal additive manufacturing

Author

Plessis, Anton du, Roux, Stephan Gerhard le, Waller, Jess, Sperling, Philip, Achilles, Nils, Beerlink, Andre, Métayer, Jean-Francois, Sinico, Mirko, Probst, Gabriel, Dewulf, Wim, Bittner, Florian, Endres, Hans-Josef, Willner, Marian, Drégelyi-Kiss, Ágota, Zikmund, Tomas, Laznovsky, Jakub, Kaiser, Jozef, Pinter, Pascal, Dietrich, Stefan, Lopez, Elena, Fitzek, Oliver, Porebski, Konrad, and Publica

Subjects
laser powder bed fusion, x-ray tomography, flaw detection, non-destructive testing, MicroCT, additive manufacturing, seeded flaw
Abstract

This paper reports on the results of a round robin test conducted by ten X-ray micro computed tomography (micro-CT) laboratories with the same three selected titanium alloy (Ti6Al4V) laser powder bed fusion (L-PBF) test parts. These parts were a 10-mm cube, a 60-mm long and 40-mm high complex-shaped bracket, and a 15-mm diameter rod. Previously developed protocols for micro-CT analysis of these parts were provided to all participants, including suggested scanning parameters and image analysis steps. No further information on the samples were provided, and they were selected from a variety of parts from a previous different type of round robin study where various L-PBF laboratories provided identical parts for micro-CT analysis at one laboratory. In this new micro-CT round robin test which involves various micro-CT laboratories, parts from the previous work were selected such that each part had a different characteristic flaw type, and all laboratories involved in the study analyzed the same set of parts. The 10-mm cube contained subsurface pores just under its top surface (relative to build direction), and all participants could positively identify this. The complex bracket had contour pores around its outer vertical sides, and was warped with two arms deflected towards one another. Both of these features were positively identified by all participants. The 15-mm diameter rod had a layered stop/start flaw, which was also positively identified by all participants. Differences were found among participants for quantitative evaluations, ranging from no quantitative measurement made, to under and overestimation of the values in all analyses attempted. This round robin provides the opportunity to highlight typical causes of errors in micro-CT scanning and image analysis as applied to additively manufactured parts. Some workflow variations, sources of error and ways to increase the reproducibility of such analysis workflows are discussed. The ultimate aim of this work is to advance the efficient use of micro-CT facilities for process optimization and quality inspections for additively manufactured products. The results provide confidence in the use of laboratory micro-CT but also indicate the need for further development of standards, protocols and image analysis workflows for quantitative assessment, especially for direct and quantitative comparisons between different laboratories.

Published
2019

16. AS058 - Double resin casting micro computed tomography (CT) reveals biliary and vascular pathology in tandem in a mouse model for alagille syndrome.

Author

Hankeova, Simona, Salplachta, Jakub, Zikmund, Tomas, Kavkova, Michaela, Van Hul, Noémi K.M., Brinek, Adam, Smekalova, Veronika, Laznovsky, Jakub, Jaros, Josef, Bryja, Vitezslav, Lendahl, Urban, Ellis, Ewa, Hannezo, Edouard, Kaiser, Jozef, and Andersson, Emma

Subjects
*COMPUTED tomography, *PATHOLOGY, *MICE, *SYNDROMES
Published
2020
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17. Unveiling vertebrate development dynamics in frog Xenopus laevis using micro-CT imaging.

Author

Laznovsky J, Kavkova M, Helena Reis A, Robovska-Havelkova P, Maia LA, Krivanek J, Zikmund T, Kaiser J, Buchtova M, and Harnos J

Subjects
Animals, Metamorphosis, Biological, Larva growth & development, Xenopus laevis growth & development, X-Ray Microtomography methods, Imaging, Three-Dimensional methods
Abstract

Background: Xenopus laevis, the African clawed frog, is a versatile vertebrate model organism in various biological disciplines, prominently in developmental biology to study body plan reorganization during metamorphosis. However, a notable gap exists in the availability of comprehensive datasets encompassing Xenopus' late developmental stages., Findings: This study utilized micro-computed tomography (micro-CT), a noninvasive 3-dimensional (3D) imaging technique with micrometer-scale resolution, to explore the developmental dynamics and morphological changes in Xenopus laevis. Our approach involved generating high-resolution images and computed 3D models of developing Xenopus specimens, spanning from premetamorphosis tadpoles to fully mature adults. This dataset enhances our understanding of vertebrate development and supports various analyses. We conducted a careful examination, analyzing body size, shape, and morphological features, focusing on skeletogenesis, teeth, and organs like the brain and gut at different stages. Our analysis yielded valuable insights into 3D morphological changes during Xenopus' development, documenting details previously unrecorded. These datasets hold the solid potential for further morphological and morphometric analyses, including segmentation of hard and soft tissues., Conclusions: Our repository of micro-CT scans represents a significant resource that can enhance our understanding of Xenopus' development and the associated morphological changes in the future. The widespread utility of this amphibian species, coupled with the exceptional quality of our scans, which encompass a comprehensive series of developmental stages, opens up extensive opportunities for their broader research application. Moreover, these scans can be used in virtual reality, 3D printing, and educational contexts, further expanding their value and impact., (© The Author(s) 2024. Published by Oxford University Press on behalf of GigaScience.)

Published
2024
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