keyword
https://read.qxmd.com/read/38509190/momentum-informed-muon-scattering-tomography-for-monitoring-spent-nuclear-fuels-in-dry-storage-cask
#1
JOURNAL ARTICLE
JungHyun Bae, Rose Montgomery, Stylianos Chatzidakis
Development of an effective monitoring method for spent nuclear fuel (SNF) in a dry storage cask (DSC) is important to meet the increasing demand for dry storage investigations. The DSC investigation should provide information about the quantity of stored SNF, and quality assurance of materials should be possible without opening the cask. However, traditional nondestructive examination (NDE) methods such as x-rays are difficult to deploy for DSC investigation because a typical DSC is intentionally designed to shield against radiation...
March 20, 2024: Scientific Reports
https://read.qxmd.com/read/38491055/nondestructive-material-characterization-and-component-identification-in-sheet-metal-processing-with-electromagnetic-methods
#2
JOURNAL ARTICLE
Bernd Wolter, Benjamin Straß, Kevin Jacob, Markus Rauhut, Thomas Stephani, Matthias Riemer, Marko Friedemann
Electromagnetic methods for non-destructive evaluation (NDE) are presented, with which sheet metal components can be identified and their material properties can be characterized. The latter is possible with 3MA, the Micromagnetic Multiparametric Microstructure and stress Analyser. This is a combination of several micromagnetic NDE methods that make it possible to analyse the microstructure in a ferromagnetic material and to determine quantitative values of the mechanical material properties or the stress state...
March 15, 2024: Scientific Reports
https://read.qxmd.com/read/38474637/study-on-the-mechanism-of-lipid-peroxidation-induced-by-carbonate-radicals
#3
JOURNAL ARTICLE
Heng Cao, Sheng-Feng Xiong, Li-Long Dong, Zhou-Tong Dai
Based on the reported research, hydroxyl radicals can be rapidly transformed into carbonate radicals in the carbonate-bicarbonate buffering system in vivo. Many of the processes considered to be initiated by hydroxyl radicals may be caused by carbonate radicals, which indicates that lipid peroxidation initiated by hydroxyl radicals can also be caused by carbonate radicals. To date, theoretical research on reactions of hydrogen abstraction from and radical addition to polyunsaturated fatty acids (PUFAs) of carbonate radicals has not been carried out systematically...
March 2, 2024: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/38473578/evaluation-of-the-embrittlement-in-reactor-pressure-vessel-steels-using-a-hybrid-nondestructive-electromagnetic-testing-and-evaluation-approach
#4
REVIEW
Gábor Vértesy, Madalina Rabung, Antal Gasparics, Inge Uytdenhouwen, James Griffin, Daniel Algernon, Sonja Grönroos, Jari Rinta-Aho
The nondestructive determination of the neutron-irradiation-induced embrittlement of nuclear reactor pressure-vessel steel is a very important and recent problem. Within the scope of the so-called NOMAD project funded by the Euratom research and training program, novel nondestructive electromagnetic testing and evaluation (NDE) methods were applied to the inspection of irradiated reactor pressure-vessel steel. In this review, the most important results of this project are summarized. Different methods were used and compared with each other...
February 28, 2024: Materials
https://read.qxmd.com/read/38438598/author-correction-a-multilayer-perceptron-neural-network-approach-for-optimizing-solar-irradiance-forecasting-in-central-africa-with-meteorological-insights
#5
Inoussah Moungnutou Mfetoum, Simon Koumi Ngoh, Reagan Jean Jacques Molu, Brice Félix Nde Kenfack, Raphaël Onguene, Serge Raoul Dzonde Naoussi, Jean Gaston Tamba, Mohit Bajaj, Milkias Berhanu
No abstract text is available yet for this article.
March 4, 2024: Scientific Reports
https://read.qxmd.com/read/38438491/elevation-of-astrocyte-derived-extracellular-vesicles-over-the-first-month-post-stroke-in-humans
#6
JOURNAL ARTICLE
Matthew A Edwardson, Masato Mitsuhashi, Dennis Van Epps
We sought to identify alterations in the quantity of plasma brain-derived extracellular vesicles (EV) over the first month post-stroke to shed light on related injury and repair mechanisms. We assessed plasma levels of presumed neuron-derived EVs (NDEs), astrocyte-derived EVs (ADEs), and oligodendrocyte-derived EVs (ODEs) in 58 patients 5, 15, and 30 days post-ischemic stroke and 46 controls matched for cardiovascular risk factors using sandwich immunoassays. Subsets of brain-derived EVs were identified by co-expression of the general EV marker CD9 and markers for neurons (L1CAM, CD171), astrocytes (EAAT1), and oligodendrocytes (MOG) respectively...
March 4, 2024: Scientific Reports
https://read.qxmd.com/read/38434874/new-features-of-laboratory-generated-epfrs-from-1-2-dichlorobenzene-dcb-and-2-monochlorophenol-mcp
#7
JOURNAL ARTICLE
Lavrent Khachatryan, Marwan Y Rezk, Divine Nde, Farhana Hasan, Slawomir Lomnicki, Dorin Boldor, Robert Cook, Phillip Sprunger, Randall Hall, Stephania Cormier
The present research is primarily focused on investigating the characteristics of environmentally persistent free radicals (EPFRs) generated from commonly recognized aromatic precursors, namely, 1,2-dichlorobenzene (DCB) and 2-monochlorophenol (MCP), within controlled laboratory conditions at a temperature of 230 °C, termed as DCB230 and MCP230 EPFRs, respectively. An intriguing observation has emerged during the creation of EPFRs from MCP and DCB utilizing a catalyst 5% CuO/SiO2 , which was prepared through various methods...
February 27, 2024: ACS Omega
https://read.qxmd.com/read/38394741/investigation-of-fatigue-crack-closure-effect-on-the-evaluation-of-edge-cracks-with-the-fundamental-mode-of-edge-waves
#8
JOURNAL ARTICLE
Hankai Zhu, Andrei Kotousov, Ching Tai Ng
Fatigue cracks often initiate and propagate from edges of structural components. Detection and evaluation of edge cracks could be very challenging, specifically, due to the crack closure phenomenon, which makes fatigue cracks to be partially closed when the applied loading is removed; this usually corresponds to maintenance and NDE inspection conditions. Despite that fatigue crack closure is well investigated, past experimental and theoretical studies related to guided wave-based NDEs largely ignored this phenomenon...
February 16, 2024: Ultrasonics
https://read.qxmd.com/read/38368979/amikacin-sulphate-loaded-chitosan-diopside-nanoparticles-composite-scaffold-for-infectious-wound-healing
#9
JOURNAL ARTICLE
Nazreen P Mothilal, Aathira Pradeep, C Arthi, Kavitha Gopal, Vignesh Krishnamoorthi Kaliannagounder, Chan Hee Park, Vasudevan Anil Kumar, Jayakumar Rangasamy
A wound dressing material should inhibit infections that may occur at the wound site, and at the same time, it should enhance the healing process. In this study, we developed an amikacin sulphate (AK) incorporated chitosan (Ch) and Diopside nanoparticles composite dressing (Ch-nDE-AK) for controlling wound infection and healing. The diopside nanoparticles (nDE) were prepared using sol-gel synthesis and characterized using XRD, FT-IR, and FESEM. nDE shows a size range of 142 ± 31 nm through FESEM analysis...
February 16, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38361404/regional-specificity-of-cathodal-transcranial-direct-current-stimulation-effects-on-spatial-numerical-associations-comparison-of-four-stimulation-sites
#10
RANDOMIZED CONTROLLED TRIAL
Maryam Farshad, Christina Artemenko, Krzysztof Cipora, Jennifer Svaldi, Philipp A Schroeder
Neuromodulation with transcranial direct current stimulation (tDCS) is an increasingly popular research tool to experimentally manipulate cortical areas and probe their causal involvements in behavior, but its replicability and regional specificity are not clear. This registered report investigated cathodal tDCS effects on spatial-numerical associations (i.e., the SNARC effect), the numerical distance effect (NDE), and inhibitory control (i.e., stop-signal reaction time; SSRT). Healthy adults (N = 160) were randomly assigned to one of five groups to receive sham tDCS or 1 mA cathodal tDCS to one of four stimulation sites (left/right prefrontal cortex [PFC], left/right posterior parietal cortex) with extracephalic return...
February 2024: Journal of Neuroscience Research
https://read.qxmd.com/read/38358341/work-productivity-quality-of-life-and-care-needs-an-unfolding-epilepsy-burden-revealed-in-the-australian-epilepsy-project-pilot-study
#11
JOURNAL ARTICLE
Clara Marquina, Emma Foster, Zhibin Chen, David N Vaughan, David F Abbott, Chris Tailby, Graeme D Jackson, Patrick Kwan, Zanfina Ademi
OBJECTIVE: Epilepsy is a common and serious neurological disorder. This cross-sectional analysis addresses the burden of epilepsy at different stages of the disease. METHODS: This pilot study is embedded within the Australian Epilepsy Project (AEP), aiming to provide epilepsy support through a national network of dedicated sites. For this analysis, adults aged 18-65 years with first unprovoked seizure (FUS), newly diagnosed epilepsy (NDE), or drug-resistant epilepsy (DRE) were recruited between February-August 2022...
February 15, 2024: Epilepsia Open
https://read.qxmd.com/read/38347046/a-multilayer-perceptron-neural-network-approach-for-optimizing-solar-irradiance-forecasting-in-central-africa-with-meteorological-insights
#12
JOURNAL ARTICLE
Inoussah Moungnutou Mfetoum, Simon Koumi Ngoh, Reagan Jean Jacques Molu, Brice Félix Nde Kenfack, Raphaël Onguene, Serge Raoul Dzonde Naoussi, Jean Gaston Tamba, Mohit Bajaj, Milkias Berhanu
Promoting renewable energy sources, particularly in the solar industry, has the potential to address the energy shortfall in Central Africa. Nevertheless, a difficulty occurs due to the erratic characteristics of solar irradiance data, which is influenced by climatic fluctuations and challenging to regulate. The current investigation focuses on predicting solar irradiance on an inclined surface, taking into consideration the impact of climatic variables such as temperature, wind speed, humidity, and air pressure...
February 12, 2024: Scientific Reports
https://read.qxmd.com/read/38338183/nurse-who-had-mers-cov-complications-with-a-near-death-experience-during-pregnancy-a-narrative-analysis
#13
JOURNAL ARTICLE
Abbas Al Mutair, Zainab Ambani, Alexander Woodman, Chandni Saha, Hanan F Alharbi, Alya Elgamri
BACKGROUND: According to prevailing views in neuroscience, near-death experiences (NDE) occurring after severe head trauma, critical illness, or coma are often life-transforming experiences in which no awareness or sensory experience of any kind is possible. Although there are general patterns, each case is quite different from the other and requires accurate recording and reporting to potentially explain the phenomenon. AIM: This narrative study aimed to explore a pregnant woman's NDE due to complications from MERS-CoV...
January 24, 2024: Healthcare (Basel, Switzerland)
https://read.qxmd.com/read/38330063/global-epidemiology-of-hepatitis-c-virus-in-dialysis-patients-a-systematic-review-and-meta-analysis
#14
JOURNAL ARTICLE
Raoul Kenfack-Momo, Marceline Djuidje Ngounoue, Sebastien Kenmoe, Guy Roussel Takuissu, Jean Thierry Ebogo-Belobo, Cyprien Kengne-Ndé, Donatien Serge Mbaga, Elisabeth Zeuko'o Menkem, Robertine Lontuo Fogang, Serges Tchatchouang, Juliette Laure Ndzie Ondigui, Ginette Irma Kame-Ngasse, Josiane Kenfack-Zanguim, Jeannette Nina Magoudjou-Pekam, Arnol Bowo-Ngandji, Maimouna Mahamat, Seraphine Nkie Esemu, Lucy Ndip, Richard Njouom
Dialysis is a replacement therapy for patients with End-Stage Renal Disease (ESRD). Patients on dialysis are at high risk of acquiring hepatitis C virus (HCV), which has become a leading cause of morbidity and mortality in this population. There is a wide range of prevalence of HCV in dialysis populations around the world. It is still unknown how prevalent HCV infection is among worldwide dialysis patients (including those undergoing hemodialysis and peritoneal dialysis). A review was conducted to estimate the global epidemiology of hepatitis C in dialysis patients...
2024: PloS One
https://read.qxmd.com/read/38310335/inhalation-of-particulate-matter-containing-environmentally-persistent-free-radicals-induces-endothelial-dysfunction-mediated-via-ahr-activation-at-the-air-blood-interface
#15
JOURNAL ARTICLE
Ankit Aryal, Ashlyn C Harmon, K J Varner, Alexandra Noël, Stephania A Cormier, Divine B Nde, Peter Mottram, Jemiah Maxie, Tammy R Dugas
No abstract text is available yet for this article.
February 3, 2024: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://read.qxmd.com/read/38298332/a-systematic-review-of-influenza-virus-in-water-environments-across-human-poultry-and-wild-bird-habitats
#16
REVIEW
S Kenmoe, G R Takuissu, J T Ebogo-Belobo, C Kengne-Ndé, D S Mbaga, A Bowo-Ngandji, J L Ondigui Ndzie, R Kenfack-Momo, S Tchatchouang, R Lontuo Fogang, E Zeuko'o Menkem, G I Kame-Ngasse, J N Magoudjou-Pekam, S Puzelli, L Lucentini, C Veneri, P Mancini, G Bonanno Ferraro, M Iaconelli, C Del Giudice, D Brandtner, E Suffredini, G La Rosa
Influenza, a highly contagious acute respiratory disease, remains a major global health concern. This study aimed to comprehensively assess the prevalence of influenza virus in different aquatic environments. Using 43 articles from four databases, we thoroughly examined water matrices from wastewater treatment plants (WTPs) and other human environments, as well as poultry habitats and areas frequented by migratory wild birds. In WTP influents (10 studies), positivity rates for influenza A ranged from 0.0 % to 97...
January 1, 2024: Water research X
https://read.qxmd.com/read/38283249/activated-carbons-from-open-air-and-microwave-assisted-impregnation-of-cotton-and-neem-husks-efficiently-decolorize-neutral-cotton-oil
#17
JOURNAL ARTICLE
Abba Chetima, Divine Nde Bup, Fannyuy Kewir, Abdoul Wahaboua
The decolorization of cottonseed oil with activated carbons (ACs) from neem and cotton husks has a dual interest: elimination of undesirable pigments in oil and valorization of the husks; by-products of neem and cottonseed processing, which would otherwise be dumped along riverbanks and farms causing environmental pollution. ACs were produced from neem and cottonseed husks after acid impregnation assisted by microwave heating and in ambient air for the decolorization of neutral cottonseed oil. The experimental data were analyzed by the intraparticle diffusion and the pseudo-second-order kinetic models as well as the Langmuir and Freundlich isotherm models...
January 15, 2024: Heliyon
https://read.qxmd.com/read/38277767/finite-element-modelling-strategy-for-determining-directivity-of-thermoelastically-generated-laser-ultrasound
#18
JOURNAL ARTICLE
Xin L Tu, Jie Zhang, Alberto M Gambaruto, Paul D Wilcox
Laser ultrasound (LU) is a contactless and couplant-free remote non-destructive (NDE) technique, which uses lasers for ultrasonic generation and detection rather than conventional piezoelectric transducers. For a transducer, an important characteristic is the directivity, the angle-dependent amplitude of the ultrasonic waves generated in the material. In the non-destructive thermoelastic regime, LU source has been widely modelled as a surface force dipole. However, the directivity of LU in more complex material, where there is an increasing demand for NDE, such as carbon fibre reinforced plastic (CFRP), is yet to be understood...
January 24, 2024: Ultrasonics
https://read.qxmd.com/read/38257616/an-electrical-resistance-diagnostic-for-conductivity-monitoring-in-laser-powder-bed-fusion
#19
JOURNAL ARTICLE
Saptarshi Mukherjee, Edward Benavidez, Michael Crumb, Nicholas P Calta
With the growing interest in metal additive manufacturing using laser powder bed fusion (LPBF), there is a need for advanced in-situ nondestructive evaluation (NDE) methods that can dynamically monitor manufacturing process-related variations, that can be used as a feedback mechanism to further improve the manufacturing process, leading to parts with improved microstructural properties and mechanical properties. Current NDE techniques either lack sensitivity beyond build layer, are costly or time-consuming, or are not compatible for in-situ integration...
January 15, 2024: Sensors
https://read.qxmd.com/read/38222728/anterior-dislocation-of-the-shoulder-associated-with-a-diaphyseal-fracture-of-the-ipsilateral-humerus-a-case-report
#20
Badara Diop, Ountyess Mendy, Armel F Tene Nde, Alioune B Dione, Malick Diop, Pape A Diouf, Mayoro Sow, Ndiame Sarr, Ibrahima Faye, Abdou Y Ndoye, Ibrahima Konate
BACKGROUND: Anterior dislocation of the shoulder associated with a diaphyseal fracture of the ipsilateral humerus is a rare and controversial occurrence, with very few cases reported in the literature. CASE PRESENTATION: We present a case of a 39-year-old right-handed driver who presented with an anterior dislocation of the shoulder associated with a diaphyseal fracture of the ipsilateral humerus following a road traffic accident. The lateral approach to the fracture allowed us to use two forceps to gain a good grip on the proximal fragment and perform the maneuver to reduce the dislocation...
January 2024: Annals of Medicine and Surgery
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