• Sialoliths were characterized in detail by X-ray computed microtomography (μCT) in combination with atomic emission spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. (sintef.no)
  • Measuring root traits in barley (Hordeum vulgare ssp vulgare and ssp spontaneum) seedlings using gel chambers, soil sacs and X‐ray microtomography. (currentprotocols.com)
  • The aim of the paper was to present an overview on the applicability and relevance of X-ray microtomography in the study of mineralised tissues of the teeth. (viamedica.pl)
  • X-ray microtomography offers within the analysis of mineralised tissues - complex structures of bone, teeth and biomedical materials, turn out to be indispensable since it opens new opportunities for cognitive and implementation research. (viamedica.pl)
  • X-ray microtomography study to validate the efficacies of caries removal in primary molars by hand excavation and chemo-mechanical technique. (viamedica.pl)
  • A comparison of the mineral content of enamel and dentine in human premolars and enamel pearls measured by X-ray microtomography. (viamedica.pl)
  • Here we demonstrate that, even in the absence of X-ray contrast agents, X-ray computed microtomography (microCT) and nanotomography (nanoCT) can circumvent these problems by rapidly resolving compositionally discrete 3D tissue regions (such as the collagen-rich adventitia and elastin-rich lamellae in intact rat arteries) which in turn can be segmented due to their different X-ray opacities and morphologies. (salford.ac.uk)
  • A multi-sensor coordinate measure machine with X-ray computed tomography can make accurate measurements during the first out of tool inspection, as well as for the full first article inspection. (qualitymag.com)
  • Measurements of BMD by DXA of the lumbar spine, hip (and subregions), and forearm (and subregions), quantitative computed tomography (QCT) of the spine and hip (n = 59), and radiographs of the thoracolumbar spine were performed on all subjects to assess prevalent vertebral fractures. (wiley.com)
  • Cross-sectional studies have shown that measurements of bone mineral density (BMD) by dual x-ray absorptiometry (DXA) and QCT predict incident fracture and are strongly associated with prevalent fracture ( 5-7 ). (wiley.com)
  • This technique enables measurements at isolated high-energy ranges, in which the dominating undergoing interaction between the x-ray and the sample is the incoherent scattering. (spiedigitallibrary.org)
  • Comparison of the cross-section averaged solids concentrations obtained by X-ray computed tomography with those inferred from differential pressure measurements confirms the high accuracy of the applied method. (fraunhofer.de)
  • Such a system is used used for measurements on small objects and in micro-fluidic applications (crystallisation processes, capillary flows, micro structure tomography). (hzdr.de)
  • In this paper we consider the task of classifying materials into explosives and non-explosives according to features obtainable from Multi-Energy X-ray Computed Tomography (MECT) measurements. (superlectures.com)
  • 4D Computed Tomography inspection is revolutionary for in situ testing applications such as compression, traction and similar processes. (ndt.net)
  • To relate to in situ field conditions, the results of these two laboratory mixes were supplemented with X-ray CT results of field cores from in-service perpetual pavement (PP) sections. (scielo.org.za)
  • Additionally, X-ray CT allows visualisation of plant roots in situ without the need for traditional invasive methods such as root washing. (nottingham.ac.uk)
  • X-ray computed tomography (CT), based on the measurement of x-ray attenuation from a multitude of view angles around the patient, is the workhorse of the radiologist. (dkfz.de)
  • By changing the distance between the work piece and the detector, and the work piece and the X-ray source, different magnifications and measurement ranges can be obtained Either precise acquisition of small parts at high magnification or rapid acquisition of larger parts at lower magnification is possible. (qualitymag.com)
  • Ultrafast X-ray computed tomography has been primarily developed for the non-invasive measurement of the phase distribution within two-phase flows in vertical pipes. (hzdr.de)
  • In the frame of research in thermal fluid dynamics we use X-ray radiography and tomography techniques for the measurement of gas and liquid hold-up in chemical vessels and experimental flow loops. (hzdr.de)
  • S. Lou, X. Jiang, W. Zeng, H. Abdul-Rahman, P. J. Scott, Investigation of the compatibility of XCT measurement data to surface topography analysis, Dimensional X-ray Computed Tomography Conference, 2016. (hud.ac.uk)
  • Initially, trabecular bone, with its high surface area and high turnover rate, is most affected by glucocorticoids, with reports of an 8% loss of trabecular bone as measured by quantitative computed tomography (QCT) in patients initiating prednisone therapy at a dosage of 10 mg/day for 6 months ( 4 ). (wiley.com)
  • An overview of X-ray CT data analysis techniques starting with basic image processing and leading to traditional segmentation, machine learning based segmentation and quantitative analysis. (rigaku.com)
  • Gamma-ray computed tomography to evaluate changes in the structure of a clayey soil due to agricultural traffic. (thefreelibrary.com)
  • A simple method to evaluate the X-ray-exposure-to-accuracy performance of the CT system was developed and applied. (avhandlingar.se)
  • This paper aims to evaluate microfocus X-ray computed tomography (μCT) as a technique that can link petrography and petrophysics. (lyellcollection.org)
  • This mapping allows anatomical information to be incorporated into bioluminescence tomography (BLT) reconstruction procedures and, when applied using sources visible to both optical and anatomical modalities, can be used to evaluate the accuracy of those reconstructions. (edu.au)
  • Microfocus X-ray computed tomography (CT) scanning is a three-dimensional (3D) non-destructive technique that is useful in many research and technology fields. (journals.co.za)
  • The analysis was based on the X-ray Computed Tomography (X-ray CT) scanning tests and subsequent image analyses. (scielo.org.za)
  • X-ray CT scanning tests were conducted on cylindrical HMA samples (150 mm diameter) that were gyratory laboratory-moulded to two different heights of 110 and 164 mm. (scielo.org.za)
  • Spiral scanning is induced into synchrotron X-ray micro-CT (SR -CT) to resolve this problem. (iphy.ac.cn)
  • NSI s patent pending product is something never seen before and is considered the future of industrial 3D X-ray inspection. (ndt.net)
  • It is important to find cracks, open solder joints or voids via X-ray inspection. (accelonix.nl)
  • YXLON X-ray inspection technology is used in the production of multilayer printed circuit boards to measure the position offset and minimal residual ring width. (accelonix.nl)
  • Although these hybrid components are often found within X-ray absorbing housings of tungsten and copper, which absorb X-rays to a high degree, high-contrast microfocus YXLON X-ray systems and detectors can be successful in solder joint inspection. (accelonix.nl)
  • The ball-grid array (BGA) shown in below figure is a form of component in which the solder joints are hidden between the component and circuit board As a result, X-ray technology offers the only way to perform a complete quality inspection of the solder joints. (accelonix.nl)
  • X-ray electronics inspection systems respond to a growing demand for flexible, detailed and affordable inspection to cope with the demands of ever-smaller electrical components and comply with tighter quality standards. (atlantechusa.com)
  • Objectives: Primary: to investigate the precision and reliability of a knee bone mineral density (BMD) assessment protocol that uses an existing dual energy X-ray absorptiometry (DXA) forearm acquisition algorithm in individuals with spinal cord injury (SCI). (northwestern.edu)
  • X-ray dual spectral CT (DSCT) scans the measured object with two different x-ray spectra, and the acquired rawdata can be used to perform the material decomposition of the object. (iospress.com)
  • The procedures we propose make possible the mapping of two-dimensional (2-D) bioluminescence image (BLI) data onto a skin surface derived from a three-dimensional (3-D) anatomical modality [magnetic resonance (MR) or computed tomography (CT)] dataset. (edu.au)
  • Correlative analysis of the same specimens was performed by in vivo and ex vivo helical computed tomography (HCT) and ex vivo μCT. (sintef.no)
  • However, the number of the fluorescent x-ray photons are restricted by the pinhole, leading to acquisition of low S/N projections due to the photon starvation. (springer.com)
  • The Vision Lab , an fun and exciting research group at the University of Antwerp, has an open position for a PhD student to work on developing innovative image reconstruction methods for X-ray Computed Tomography (CT). (sciencecareers.org)
  • Iterative reconstruction methods in X-ray CT. (wikipedia.org)
  • To study the feasibility of using 2-deoxy- d -glucose (2-DG)-labeled gold nanoparticle (AuNP-DG) as a computed tomography (CT) contrast agent with tumor targeting capability through in vitro experiments. (springer.com)
  • In a well-calibrated system using a monochromatic X-ray source (i.e. synchrotron or gamma-ray emitter) this equation can be solved directly. (carleton.edu)
  • The objective of this study was to investigate the sensibility of the gamma-ray CT technique as a method for assessing the structural deformations to soils compacted by agricultural machinery traffic and to characterize the soil bulk density and porosity modifications with millimetric resolution. (thefreelibrary.com)
  • Similar to two-dimensional (2D) X-ray inspections, this 3D technology allows the investigation of almost any material down to 1 micron spatial resolution and higher. (journals.co.za)
  • These include improved signal (and contrast) to noise ratio, reduced X-ray dose to the patient, improved spatial resolution and, through use of several energy bins, the ability to distinguish multiple contrast agents. (wikipedia.org)
  • Current µ-focus X-Ray systems offer high resolution and advanced detail detectability. (smta.org)
  • The dark-field CT results are compared with and verified by applying high-resolution absorption X-ray computed tomography and a subsequent data-evaluation pipeline to determine fibre length and fibre orientation of each fibre in the investigated volume. (ndt.net)
  • The purpose of this study is to present a novel algorithm to combine high-resolution X-ray Computed Tomography (HRXCT) and Double-Pulse Laser-Induced Breakdown Spectroscopy (DP LIBS) for geological samples' analysis. (rsc.org)
  • Computed tomography (CT) is the preferred way for 3-dimensional analysis of state-of-the-art semiconductor packaging solutions, such as System-in-a-Package, as well as general complex assemblies. (smta.org)
  • Our X-ray (DR) and computer tomography (CT) system is designed to meet the requirements for safe, reliable, non-destructive testing of electronic, microelectronic, electromechanical and other small products. (accelonix.nl)
  • Recovering complete plant root system architectures from soil via X‐ray mu‐Computed Tomography. (currentprotocols.com)
  • In the present study, it was hypothesized that there are computed tomography (CT) characteristics that can identify which of these children are most likely to need operative intervention. (isharonline.org)
  • We employ 'state-of-the-art', 3D, non-destructive microCT (X-ray) technologies and innovative image analysis techniques to explore and quantify the internal architecture of biomaterials and support research into environmental sustainability and global food security. (nottingham.ac.uk)
  • Thanks to the rapid development of both the X-ray tubes as the detectors, we can image objects with continuously better resolution. (ugent.be)
  • In this study, the X-ray Computed Tomography (X-ray CT) scanner and subsequent image analysis techniques were used to characterise the AV distribution (i.e. (scielo.org.za)
  • In the paper, the X-ray CT scanner and the concepts of image analysis are described first, followed by the experimental design plan and the laboratory test results including the effects of the AV distribution on the DT test failure mode. (scielo.org.za)
  • This can either be used to increase the image quality at the same X-ray exposure level, or to lower the patient X-ray dose whilst maintaining the same image quality. (wikipedia.org)
  • X-ray tomography enables a non-invasive superposition-free visualisation of the density distribution in an object. (hzdr.de)
  • Finally we apply microCT to another human organ (skin) to visualise the cell-rich epidermis and extracellular matrix-rich dermis and to show that conventional histological and immunohistochemical staining protocols are compatible with prior X-ray exposure. (salford.ac.uk)