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https://www.readbyqxmd.com/read/29313671/cluster-formation-in-the-superconducting-complex-intermetallic-compound-be21pt5
#1
Alfred Amon, Alim Ormeci, Matej Bobnar, Lev G Akselrud, Maxim Avdeev, Roman Gumeniuk, Ulrich Burkhardt, Yurii Prots, Christoph Hennig, Andreas Leithe-Jasper, Yuri Grin
Materials with the crystal structure of γ-brass type (Cu5Zn8 type) are typical representatives of intermetallic compounds. From the electronic point of view, they are often interpreted using the valence electron concentration approach of Hume-Rothery, developed previously for transition metals. The γ-brass-type phases of the main-group elements are rather rare. The intermetallic compound Be21Pt5, a new member of this family, was synthesized, and its crystal structure, chemical bonding, and physical properties were characterized...
January 9, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29306247/association-between-deep-neck-space-abscesses-and-internal-carotid-artery-narrowing-in-pediatric-patients
#2
Betül Emine Derinkuyu, Öznur Boyunağa, Meltem Polat, Çağrı Damar, Anıl Tapısız Aktaş, Ayşe Gül Alımlı, Çiğdem Öztunalı, Soner Sertan Kara, Murat Uçar, Hasan Tezer
Background/aim: Our aim was to interpret the effects of deep neck space abscesses on the adjacent carotid artery according to abscess location, as well as to determine narrowing by calculating the mean stenosis ratios.Materials and methods: Neck computed tomography scans and clinical data of 45 children with neck abscesses were evaluated retrospectively for abscess location and internal carotid artery narrowing. The lumen areas of the carotid arteries were measured from standard levels, and stenosis ratios were calculated with two different techniques...
December 19, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29303139/temporomandibular-joint-involvement-in-psoriatic-arthritis
#3
Alime Okkesim, Mehmet Zahit Adisen, Melda Misirlioglu
Psoriasis is a chronic, papulosquamous, and an inflammatory skin disease. It has been found that between 5% and 24% of patients develop psoriatic arthritis (PA) at the same time after or even prior to skin findings. The involvement of temporomandibular joint (TMJ) is a rare condition. In this report, a-46-year-old male patient was referred to our clinic with the complaint of pain in the bilateral TMJs, and a limited jaw movement. Medical anamnesis revealed he had psoriasis for the last 21 years, and developed a seronegative polyarthritis with destructive changes for 8 years...
November 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29284857/to-compare-the-effect-of-two-different-doses-of-dexmedetomidine-on-the-attenuation-of-airway-and-pressor-response-during-tracheostomy-tube-change-in-traumatic-brain-injury-patients
#4
Abdul Alim Khan, Neeraj Kumar, Yashpal Singh, Atul Kumar Singh, Sharad Kumar Mathur
Background: Tracheostomy tube (TT) change is the common procedure in trauma Intensive Care Unit (ICU) and almost always associated with cough reflex, increase in blood pressure, and heart rate. Dexmedetomidine (DEX) is a selective α2-adrenergic receptor agonist well studied for the prevention of pressor response during laryngoscopy and extubation, but literature on prevention of pressor response during TT change is lacking. Aims: The aim of this study is to compare two doses (0...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29248809/the-identification-of-high-potential-archers-based-on-fitness-and-motor-ability-variables-a-support-vector-machine-approach
#5
Zahari Taha, Rabiu Muazu Musa, Anwar P P Abdul Majeed, Muhammad Muaz Alim, Mohamad Razali Abdullah
Support Vector Machine (SVM) has been shown to be an effective learning algorithm for classification and prediction. However, the application of SVM for prediction and classification in specific sport has rarely been used to quantify/discriminate low and high-performance athletes. The present study classified and predicted high and low-potential archers from a set of fitness and motor ability variables trained on different SVMs kernel algorithms. 50 youth archers with the mean age and standard deviation of 17...
December 14, 2017: Human Movement Science
https://www.readbyqxmd.com/read/29236994/group-g-streptococcus-induces-an-autoimmune-il-17a-ifn-%C3%AE-mediated-carditis-in-the-lewis-rat-model-of-rheumatic-heart-disease
#6
Suchandan Sikder, Natasha L Williams, Alanna E Sorenson, Md A Alim, Miranda E Vidgen, Nicole J Moreland, Catherine M Rush, Robert S Simpson, Brenda L Govan, Robert E Norton, Madeleine W Cunningham, David J McMillan, Kadaba S Sriprakash, Natkunam Ketheesan
Acute rheumatic fever and rheumatic heart disease (ARF/RHD) have long been described as autoimmune sequelae of Streptococcus pyogenes or group A streptococcal (GAS) infection. Both antibody and T-cell responses against immunodominant GAS virulence factors including M-protein, cross-react with host tissue proteins triggering an inflammatory response leading to permanent heart damage. However, in some ARF/RHD endemic regions, throat carriage of GAS is low. As Streptococcus dysgalactiae subspecies equisimilis (SDSE), also known as β-hemolytic groups C and G streptococci (GCS/GGS) also express M-protein, we postulated that streptococci other than GAS may have the potential to initiate or exacerbate ARF/RHD...
December 9, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29235344/high-dynamic-range-%C3%AE-n-two-stage-photopolymers-via-enhanced-solubility-of-a-high-refractive-index-acrylate-writing-monomer
#7
Marvin Dion Alim, David J Glugla, Sudheendran Mavila, Chen Wang, Philip D Nystrom, Amy C Sullivan, Robert McLeod, Christopher N Bowman
Holographic photopolymers capable of high refractive index modulation (Δn) on the order of 10-2 are integral for the fabrication of functional holographic optical elements that are useful in a myriad of optical applications. In particular, to address the deficiency of suitable high refractive index writing monomers for use in two-stage holographic formulations, here we report a novel high refractive index writing monomer, 1,3-bis(phenylthio)-2-propyl acrylate (BPTPA), simultaneously possessing enhanced solubility in a low refractive index (n = 1...
December 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29176638/recursive-exponentially-weighted-n-way-partial-least-squares-regression-with-recursive-validation-of-hyper-parameters-in-brain-computer-interface-applications
#8
Andrey Eliseyev, Vincent Auboiroux, Thomas Costecalde, Lilia Langar, Guillaume Charvet, Corinne Mestais, Tetiana Aksenova, Alim-Louis Benabid
A tensor-input/tensor-output Recursive Exponentially Weighted N-Way Partial Least Squares (REW-NPLS) regression algorithm is proposed for high dimension multi-way (tensor) data treatment and adaptive modeling of complex processes in real-time. The method unites fast and efficient calculation schemes of the Recursive Exponentially Weighted PLS with the robustness of tensor-based approaches. Moreover, contrary to other multi-way recursive algorithms, no loss of information occurs in the REW-NPLS. In addition, the Recursive-Validation method for recursive estimation of the hyper-parameters is proposed instead of conventional cross-validation procedure...
November 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29098045/something-s-missing-from-my-education-using-a-cross-sectional-survey-to-examine-the-needs-and-interest-of-canadian-medical-students-relating-to-their-roles-as-teachers-and-educators
#9
Alim Nagji, Karen Leslie, Eric Wong, Doug Myhre, Meredith Young, Ming-Ka Chan
Background: Current theory in medical education emphasizes engaging learners as educators while tailoring teaching to their learning needs. However, little is known about learners' perceptions of their proposed roles as teachers and educators. Methods: Canadian medical students were invited to complete an English language online questionnaire structured to include: teaching experience, participation and/or awareness of teacher development at their school and awareness and/or interest in further training in medical education...
June 2017: Canadian Medical Education Journal
https://www.readbyqxmd.com/read/29053638/neuroprotective-surgical-strategies-in-parkinson-s-disease-role-of-preclinical-data
#10
REVIEW
Napoleon Torres, Jenny Molet, Cecile Moro, John Mitrofanis, Alim Louis Benabid
Although there have been many pharmacological agents considered to be neuroprotective therapy in Parkinson's disease (PD) patients, neurosurgical approaches aimed to neuroprotect or restore the degenerative nigrostriatal system have rarely been the focus of in depth reviews. Here, we explore the neuroprotective strategies involving invasive surgical approaches (NSI) using neurotoxic models 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and 6-hydroxydopamine (6-OHDA), which have led to clinical trials. We focus on several NSI approaches, namely deep brain stimulation of the subthalamic nucleus, glial neurotrophic derived factor (GDNF) administration and cell grafting methods...
October 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29053310/local-pore-size-correlations-determine-flow-distributions-in-porous-media
#11
Karen Alim, Shima Parsa, David A Weitz, Michael P Brenner
The relationship between the microstructure of a porous medium and the observed flow distribution is still a puzzle. We resolve it with an analytical model, where the local correlations between adjacent pores, which determine the distribution of flows propagated from one pore downstream, predict the flow distribution. Numerical simulations of a two-dimensional porous medium verify the model and clearly show the transition of flow distributions from δ-function-like via Gaussians to exponential with increasing disorder...
October 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29034490/hepatic-complications-of-umbilical-venous-catheters-in-the-neonatal-period-the-ultrasound-spectrum
#12
Betul Emine Derinkuyu, Oznur Leman Boyunaga, Cagri Damar, Sezin Unal, Ebru Ergenekon, Ayse Gul Alimli, Cigdem Oztunali, Canan Turkyilmaz
OBJECTIVES: Umbilical venous catheterization is commonly used in the neonatal period; however, it has some complications. In this study, we evaluated neonates who underwent umbilical venous catheterization and developed hepatic complications. Furthermore, we aimed to define all of the possible lesions and to clarify the imaging findings of umbilical venous catheter-induced hepatic injury. METHODS: Two hundred forty-four neonates who underwent umbilical venous catheterization between March 2013 and September 2015 in a single tertiary care referral center were included in this study...
October 16, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29030695/erratum-to-greater-occipital-nerve-infiltration-under-mr-guidance-feasibility-study-and-preliminary-results
#13
Adrian Kastler, Romain Perolat, Bruno Kastler, Caroline Maindet-Dominici, Jan Fritz, Alim Louis Benabid, Stephan Chabardes, Alexandre Krainik
The original version of this article, published on 12 July 2017, unfortunately contained mistakes. The following corrections have therefore been made in the original.
October 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28989189/mechanistic-kinetic-modeling-of-thiol-michael-addition-photopolymerizations-via-photocaged-superbase-generators-an-analytical-approach
#14
Mauro Claudino, Xinpeng Zhang, Marvin D Alim, Maciej Podgórski, Christopher N Bowman
A kinetic mechanism and the accompanying mathematical framework are presented for base-mediated thiol-Michael photopolymerization kinetics involving a photobase generator. Here, model kinetic predictions demonstrate excellent agreement with a representative experimental system composed of 2-(2-nitrophenyl)propyloxycarbonyl-1,1,3,3-tetramethylguanidine (NPPOC-TMG) as a photobase generator that is used to initiate thiol-vinyl sulfone Michael addition reactions and polymerizations. Modeling equations derived from a basic mechanistic scheme indicate overall polymerization rates that follow a pseudo-first-order kinetic process in the base and coreactant concentrations, controlled by the ratio of the propagation to chain-transfer kinetic parameters (kp/kCT) which is dictated by the rate-limiting step and controls the time necessary to reach gelation...
November 8, 2016: Macromolecules
https://www.readbyqxmd.com/read/28986626/results-of-transurethral-resection-of-the-prostate-in-renal-transplant-recipients-a-single-center-experience
#15
Mehmet Sarier, Sabri Tekin, İbrahim Duman, Yucel Yuksel, Meltem Demir, Furkan Alptekinkaya, Mehmet Guler, Asuman Havva Yavuz, Alim Kosar
OBJECTIVES: The aim of this study was to retrospectively evaluate the early and long-term results of renal transplantation (RT) patients undergoing transurethral resection of the prostate (TURP) due to benign prostate hyperplasia (BPH). MATERIALS AND METHODS: Eighty-nine patients with RT performed in our hospital underwent TURP between November 2008 and March 2016. Results were evaluated along with early and long-term complications. Patients were followed up for a minimum of 12 months...
October 6, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28975451/increased-mast-cell-degranulation-and-co-localization-of-mast-cells-with-the-nmda-receptor-1-during-healing-after-achilles-tendon-rupture
#16
Md Abdul Alim, Paul W Ackermann, Pernilla Eliasson, Parmis Blomgran, Per Kristiansson, Gunnar Pejler, Magnus Peterson
The role of inflammation and the mechanism of tendon healing after rupture has historically been a matter of controversy. The purpose of the present study is to investigate the role of mast cells and their relation to the NMDA receptor-1 (a glutamate receptor) during healing after Achilles tendon rupture. Eight female Sprague Dawley rats had their right Achilles tendon transected. Three weeks after rupture, histological quantification of mast cell numbers and their state of degranulation was assessed by histochemistry...
October 3, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28972096/pallidal-deep-brain-stimulation-for-dystonia-a-long-term-study
#17
Sara Meoni, Valérie Fraix, Anna Castrioto, Alim Louis Benabid, Eric Seigneuret, Laurent Vercueil, Pierre Pollak, Paul Krack, Eric Chevrier, Stephan Chabardes, Elena Moro
BACKGROUND: Pallidal deep brain stimulation (globus pallidus internus (GPi) DBS) is the best therapeutic option for disabling isolated idiopathic (IID) and inherited (INH) dystonia. Acquired dystonia (AD) may also benefit from GPi DBS. Efficacy and safety in the long-term remained to be established. OBJECTIVE: To retrospectively assess long-term clinical outcomes and safety in dystonic patients who underwent GPi DBS. METHODS: Patients were videotaped and assessed preoperatively and postoperatively (1-year and at last available follow-up) using the Burke-Fahn-Marsden Dystonia Rating Scale (motor score (BFMDRS-M); disability score (BFMDRS-D))...
November 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28966283/asymmetric-aldol-vinylogous-aldol-cyclization-reaction-using-phosphine-oxide-catalysts
#18
Nathan Ray Alim, Shiki Miyazaki, Yasushi Shimoda, Masaharu Sugiura, Makoto Nakajima, Shunsuke Kotani
Chiral phosphine oxide sequentially activates silicon tetrachloride and trichlorosilyl enol ethers to facilitate asymmetric aldol/vinylogous aldol reaction of 4-methoxy-3-penten-2-one and conjugated aldehydes in a highly enantioselective fashion, and the subsequent cyclization produced optically active 2,6-disubstituted 2,3-dihydro-4-pyranones bearing stereogenic centers at a remote position in a single operation.
2017: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28942330/l-shell-differential-cross-section-and-alignment-of-uranium-at-59-54-kev-photon-energy
#19
Tuba Akkuş, Bünyamin Alım, Demet Yılmaz, Yusuf Şahin
L X-ray differential cross-sections of uranium were calculated at several polar scattering angles (85°, 95°, 105°, 115°, 125°, and 135°) at 59.54-keV photon energy by using a Si(Li) detector. We observed that Ll and Lα X-rays were dependent on the polar scattering angle, whereas Lβ and Lγ X-rays were independent of the polar scattering angle. Therefore, the anisotropy parameters for Ll and Lα X-rays were obtained using the intensity ratios of Ll to Lγ X-rays and of Lα to Lγ X-rays to reduce some systematic errors...
July 29, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28886722/tridax-procumbens-flavonoids-a-prospective-bioactive-compound-increased-osteoblast-differentiation-and-trabecular-bone-formation
#20
Md Abdullah Al Mamun, Mohammad Jakir Hosen, Amina Khatun, M Masihul Alam, Md Abdul Alim Al-Bari
BACKGROUND: The Tridax procumbens extracts (TPE) are known for their ethno-medicinal properties to increase osteogenic functioning in mesenchymal stem cells. Recently, we found that the T. procumbens flavonoids (TPF) significantly suppressed the RANKL-induced osteoclasts differentiation and bone resorption. The TPF also promoted osteoblasts differentiation and bone formation demonstrated by increasing bone formation markers in cultured mouse primary osteoblasts. However, the effects of the TPF on in vivo bone formation remain unclear...
September 8, 2017: Biological Research
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