Results 101 to 110 of about 456,481 (326)

Contributions of X-ray CT to the characterization of natural building stones and their disintegration [PDF]

, 2010
This paper highlights the use of the high resolution scanner at the Centre for X-ray Tomography in Ghent, Belgium (UGCT), for the 3D quantitative evaluation of the disintegration of some French natural building stones.
Boone, Marijn, Boone, Matthieu, Cnudde, Veerle, De Kock, Tim, Dewanckele, Jan, Jacobs, Patric, Van Hoorebeke, Luc, Van Loo, Denis, Vlassenbroeck, Jelle   +8 more
core  

SARS‐CoV‐2 Is Linked to Brain Volume Loss in Multiple Sclerosis

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective The impact of SARS‐CoV‐2 infection on brain and spinal cord pathology in patients with multiple sclerosis (pwMS) remains unclear. We aimed to describe changes in brain lesion activity and brain and spinal cord volumes following SARS‐CoV‐2 infection.
Tomas Uher, Dominika Stastna, Ingrid Menkyova, Vaclav Capek, Jiri Lindner, Petra Nytrova, Jan Krasensky, Eliza Varju, Miguel D'haeseleer, Eva Kubala Havrdova, Dana Horakova, Manuela Vaneckova, Niels Bergsland   +12 more
wiley   +1 more source

A Systematic Clinical Framework for Postimplantation Monitoring in Thalamic Neuromodulation: Insights From Twiddler's Syndrome

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT This case described a 25‐year‐old pregnant woman with refractory multifocal epilepsy, diagnosed in 2020 and treated with bilateral thalamic deep brain stimulation (DBS) targeting the centromedian and pulvinar nuclei. Prior to DBS, she experienced daily focal seizures, often progressing to generalized tonic–clonic seizures despite optimal ...
Shalin Shah, Ganne Chaitanya, Jeston Chin, Nicholas Delcimmuto, Jay R. Gavvala   +4 more
wiley   +1 more source

Sex‐Related Differences in Efficacy and Safety Outcomes in Axial Spondyloarthritis Randomized Clinical Trials: A Systematic Literature Review and Meta‐Analysis

Arthritis Care &Research, EarlyView.
Objective We aimed to assess differences in baseline characteristics, efficacy, and safety of advanced therapies between male and female patients with axial spondyloarthritis (axSpA) in randomized controlled trials (RCTs). Methods We conducted a systematic literature search for RCTs assessing the efficacy of advanced therapies in patients with axSpA ...
Angel Gao, Jordi Pardo Pardo, Steven Dang, Lianne S. Gensler, Philip Mease, Lihi Eder   +5 more
wiley   +1 more source

Activation of SIRT1 Reduces Renal Tubular Epithelial Cells Fibrosis in Hypoxia Through SIRT1‐FoxO1‐FoxO3‐Autophagy Pathway

Advanced Biology, EarlyView.
Hypoxia promotes the epithelial‐mesenchymal transition (EMT) of renal tubular epithelial cells via the SIRT1‐FoxO1‐FoxO3‐autophagy pathway, thereby resulting in the fibrosis of renal tubular epithelial cells. Activation of SIRT1 or induction of autophagy inhibits this process, alleviating hypoxia‐induced fibrosis.
Guangyu Wang, Lijuan Zhang, Jiaorong Tan, Fei Li, Yishan Jin, Limei He, Xin Yang   +6 more
wiley   +1 more source

X-ray Micro-CT based characterization of rock cuttings with deep learning

Applied Computing and Geosciences
Rock cuttings from destructive boreholes are a common and cheaper source of drilling materials that can be used to determine underground geology compared to rock core samples.
Nils Olsen, Yifeng Chen, Pascal Turberg, Alexandre Moreau, Alexandre Alahi   +4 more
doaj  

Modelling of X-ray tube spot size and heel effect in Arion [PDF]

, 2015
X-rays produced in X-ray tubes originate from a focal spot on the target material. This spot is not infinitely small, but has a finite size. This finite size of the spot will affect the radiographic projections taken during X-ray Compted tomography.
Boone, Matthieu, Delepierre, Jolien, Dhaene, Jelle, Dierick, Manuel, Van Hoorebeke, Luc   +4 more
core  

Doppler tomography of the transient X-ray binary Centaurus X-4 in quiescence

, 2005
We present ESO-NTT low resolution spectroscopy of the neutron star X-ray transient Cen X-4 in quiescence over a complete orbital cycle. Our data reveal the presence of a K3-7 V companion which contributes 63% to the 5600-6900A flux and orbits the neutron
Belian, Bhattacharya, Brown, Burderi, Campana, Campana, Campana, Campana, Campana, Casares, Casares, Chevalier, Cowley, Eracleous, G. L. Israel, Harlaftis, Harlaftis, Haswell, Horne, Horne, Hynes, Illarionov, J. Casares, L. Stella, Maccarone, Markwardt, Markwardt, Marsh, Martin, McClintock, McClintock, Menou, P. A. Charles, P. D'Avanzo, Rutledge, S. Campana, S. Covino, Shaham, Shahbaz, Shahbaz, Shahbaz, Steeghs, Stella, Swank, Torres, van der Klis, van Paradijs, Welsh, Wijnands, Wynn   +49 more
core   +1 more source

RhoA and Rac1 as Mechanotransduction Mediators in Colorectal Cancer

Advanced Biology, EarlyView.
Analysing RhoA and Rac1 protein levels in Colorectal cancer (CRC) samples under mechanical strain highlights their potential as diagnostic markers. Monitoring their activity could offer valuable insights into how cancer spreads, paving the way for new approaches to better understand and diagnose colorectal cancer.
Sharda Yadav, Sanjaya KC, Mark A. T. Blaskovich, Cu‐tai Lu, Alfred K Lam, Nam‐Trung Nguyen   +5 more
wiley   +1 more source

Noise factor of a polyenergetic X-ray beam in computed tomography [PDF]

, 1980
David G. Morgenthaler, Rodney A. Brooks, A J Talbert   +2 more
openalex   +1 more source