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https://www.readbyqxmd.com/read/29776113/torque-scaling-in-small-gap-taylor-couette-flow-with-smooth-or-grooved-wall
#1
Bihai Zhu, Zengqi Ji, Zhengkun Lou, Pengcheng Qian
The torque in the Taylor-Couette flow for radius ratios η≥0.97, with smooth or grooved wall static outer cylinders, is studied experimentally, with the Reynolds number of the inner cylinder reaching up to Re_{i}=2×10^{5}, corresponding to the Taylor number up to Ta=5×10^{10}. The grooves are perpendicular to the mean flow, and similar to the structure of a submersible motor stator. It is found that the dimensionless torque G, at a given Re_{i} and η, is significantly greater for grooved cases than smooth cases...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29772352/allogeneic-stem-cell-transplantation-from-hla-mismatched-donors-for-pediatric-patients-with-acute-lymphoblastic-leukemia-treated-according-to-the-2003-bfm-and-2007-international-bfm-studies-impact-of-disease-risk-on-outcomes
#2
Jean-Hugues Dalle, Adriana Balduzzi, Peter Bader, Arjan Lankester, Isaac Yaniv, Jacek Wachowiak, Anna Pieczonka, Marc Bierings, Akif Yesilipek, Petr Sedlacek, Marianne Ifversen, Sabina Sufliarska, Jacek Toporski, Evgenia Glogova, Ulrike Poetschger, Christina Peters
RATIONAL: Allogeneic HSCT is beneficial for pediatric patients with relapsed or (very) high-risk ALL in remission. A total of 1115 consecutive patients were included in the ALL SCT 2003 BFM study and the ALL SCT 2007-International study and were stratified according to relapse risk (Standard vs. High vs. Very High Risk of Relapse) and donor type (Matched Sibling vs. Matched Donor vs. Mismatched Donor). PATIENTS AND METHODS: A total of 148 patients (60% male, median age 8...
May 14, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29760456/segregation-mediated-heterogeneous-structure-in-a-metastable-%C3%AE-titanium-alloy-with-a-superior-combination-of-strength-and-ductility
#3
Junheng Gao, John Nutter, Xingguang Liu, Dikai Guan, Yuhe Huang, David Dye, W Mark Rainforth
In β titanium alloys, the β stabilizers segregate easily and considerable effort has been devoted to alleviate/eliminate the segregation. In this work, instead of addressing the segregation problems, the segregation was utilized to develop a novel microstructure consisting of a nanometre-grained duplex (α+β) structure and micrometre scale β phase with superior mechanical properties. An as-cast Ti-9Mo-6W alloy exhibited segregation of Mo and W at the tens of micrometre scale. This was subjected to cold rolling and flash annealing at 820 o C for 2 and 5 mins...
May 14, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29757153/facile-fabrication-of-3d-porous-mno-gs-cnt-architecture-as-advanced-anode-materials-for-high-performance-lithium-ion-battery
#4
Junyong Wang, Qinglin Deng, Mengjiao Li, Cong Wu, Kai Jiang, Zhigao Hu, Junhao Chu
To overcome inferior rate capability and cycle stability of MnO-based anode materials for lithium-ion batteries (LIBs), we reported a novel 3D porous MnO@GS/CNT composite, consisting of MnO nanoparticles homogeneously distributed on the conductive interconnected framework based on 2D graphene sheets (GS) and 1D carbon nanotubes (CNT). The distinctive architecture offers highly interpenetrated network along with efficient porous channels for fast electron transfer and ionic diffusion as well as abundant stress buffer space to accommodate the volume expansion of the MnO nanoparticles...
May 14, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29757054/pre-season-body-composition-adaptations-in-elite-caucasian-and-polynesian-rugby-union-athletes
#5
Adam J Zemski, Shelley E Keating, Elizabeth M Broad, Damian J March, Karen Hind, Gary J Slater
During pre-season training, rugby union (RU) athletes endeavour to enhance physical performance characteristics that are aligned with on-field success. Specific physique traits are associated with performance, therefore body composition assessment is routinely undertaken in elite environments. This study aimed to quantify pre-season physique changes in elite RU athletes with unique morphology and divergent ethnicity. Twenty-two Caucasian and Polynesian professional RU athletes received dual-energy X-ray absorptiometry (DXA) assessments at the beginning and conclusion of an 11-week pre-season...
May 14, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29716772/an-audit-of-the-reliability-of-influenza-vaccination-and-medical-information-extracted-from-ehealth-records-in-general-practice
#6
Annette K Regan, Robyn A Gibbs, Paul V Effler
To evaluate the reliability of information in general practice (GP) electronic health records (EHRs), 2100 adult patients were randomly selected for interview regarding the presence of specific medical conditions and recent influenza vaccination. Agreement between self-report and data extracted from EHRs was compared using Cohen's kappa coefficient (k) and interpreted in accordance with Altman's Kappa Benchmarking criteria; 377 (18%) patients declined participation, and 608 (29%) could not be contacted. Of 1115 (53%) remaining, 856 (77%) were active patients (≥3 visits to the GP practice in the last two years) who provided complete information for analysis...
April 28, 2018: Vaccine
https://www.readbyqxmd.com/read/29671318/synthesis-crystal-structure-and-optical-properties-of-layered-perovskite-scandium-oxychlorides-sr-2-sco-3-cl-sr-3-sc-2-o-5-cl-2-and-ba-3-sc-2-o-5-cl-2
#7
Yu Su, Yoshihiro Tsujimoto, Kotaro Fujii, Makoto Tatsuta, Kengo Oka, Masatomo Yashima, Hiraku Ogino, Kazunari Yamaura
We report the successful synthesis of three new Ruddlesden-Popper-type scandium oxychloride perovskites, Sr2 ScO3 Cl, Sr3 Sc2 O5 Cl2 , and Ba3 Sc2 O5 Cl2 , by conventional solid-state reaction. Small single crystals of Sr2 ScO3 Cl were obtained by a self-flux method, and the crystal structure was determined to belong to the tetragonal P4/ nmm space group ( a = 4.08066(14) Å, c = 14.1115(8) Å) by X-ray diffraction analysis. The scandium center forms a ScO5 Cl octahedron with ordered apical oxygen and chlorine anions...
April 19, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29579846/combined-flush-with-histidine-tryptophan-ketoglutarate-and-university-of-wisconsin-solutions-in-liver-transplantation-preliminary-results
#8
F J León Díaz, J L Fernández Aguilar, S Nicolás de Cabo, M Pérez Reyes, B Sánchez Pérez, C Montiel Casado, J A Pérez Daga, J M Aranda Narváez, M A Suárez Muñoz, F Arenas González, M M Florez Rías, J L Pelaez Angulo, J Santoyo Santoyo
INTRODUCTION: Ischemia reperfusion injury (IRI) is the main cause of early allograft dysfunction (EAD) and subsequent primary allograft failure (PAF). OBJECTIVES: The purpose of this study is to compare IRI, EAD, and PAF in liver transplantation in a cohort of patients perfused with histidine-tryptophan-ketoglutarate (HTK) solution and University of Wisconsin (UW) solution versus HTK alone. METHODS: A randomized trial was performed to compare outcomes in liver recipients who underwent transplantation surgery in the University Regional Hospital of Malaga, Spain...
March 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29532591/un-precipitated-acute-kidney-injury-is-uncommon-among-stable-patients-with-cirrhosis-and-ascites
#9
Florence Wong, Peter Jepsen, Hugh Watson, Hendrik Vilstrup
BACKGROUND & AIMS: Acute episodes of renal dysfunction or acute kidney injury (AKI) in cirrhotic patients with ascites are mostly precipitated by an acute event. The prevalence of un-precipitated AKI in stable ascitic cirrhotic patients is unknown. The aims of this study were to determine (i) the prevalence of un-precipitated AKI in stable cirrhotics with ascites and (ii) any predictive factors for its development. METHODS: A total of 1115 stable cirrhotic patients with mild liver and renal dysfunction but varying degrees of ascites severity from 3 previous satavaptan vs placebo randomized controlled trials (Group A, ascites requiring diuretics but not paracentesis; Group B, ascites requiring frequent paracentesis; Group C, refractory ascites) were included...
March 13, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29528221/fabrication-of-a-co-oh-2-zncr-ldh-p-n-heterojunction-photocatalyst-with-enhanced-separation-of-charge-carriers-for-efficient-visible-light-driven-h-2-and-o-2-evolution
#10
Dipti Prava Sahoo, Susanginee Nayak, K Hemalata Reddy, Satyabadi Martha, Kulamani Parida
Photocatalytic generation of H2 and O2 by water splitting remains a great challenge for clean and sustainable energy. Taking into the consideration promising heterojunction photocatalysts, analogous energy issues have been mitigated to a meaningful extent. Herein, we have architectured a highly efficient bifunctional heterojunction material, i.e., p-type Co(OH)2 platelets with an n-type ZnCr layered double hydroxide (LDH) by an ultrasonication method. Primarily, the Mott-Schottky measurements confirmed the n- and p-type semiconductive properties of LDH and CH material, respectively, with the construction of a p-n heterojunction...
April 2, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29490334/association-of-racial-ethnic-categories-with-the-ability-of-genetic-tests-to-detect-a-cause-of-cardiomyopathy
#11
Latrice G Landry, Heidi L Rehm
Importance: Individuals of all races/ethnicities have a fundamental right to access health care and benefit from advances in science and medicine, including genetic testing. Objective: To determine whether detection rates for cardiomyopathy genetic testing differed between white people, Asian people, and underrepresented minorities (individuals of black, Hispanic, Native American, Alaskan Native, or Pacific Islander descent). Design, Setting, and Participants: We conducted a cross-sectional analysis of the genetic panel test results of 5729 probands who had a suspected diagnosis or family history of cardiomyopathy and who had been referred for testing between October 2003 and December 2017...
April 1, 2018: JAMA Cardiology
https://www.readbyqxmd.com/read/29484562/concurrent-versus-sequential-chemoradiation-therapy-in-completely-resected-pathologic-n2-non-small-cell-lung-cancer-propensity-matched-analysis-of-the-national-cancer-data-base
#12
Amy C Moreno, Waqar Haque, Vivek Verma, Penny Fang, Steven H Lin
BACKGROUND: Following complete resection of pN2 non-small cell lung cancer (NSCLC), national guidelines recommend either sequential (sCRT) or concurrent chemoradiotherapy (cCRT). This is the largest study to date evaluating survival between both approaches. In sCRT patients, sequencing 'chemotherapy first' versus 'radiotherapy first' was also addressed. METHODS: The National Cancer Data Base (NCDB) was queried for patients with primary NSCLC undergoing surgery (without neoadjuvant radiotherapy or chemotherapy), pN2 disease with negative surgical margins, and receiving postoperative CRT...
May 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29480346/u-shaped-association-between-serum-free-triiodothyronine-and-recurrence-of-atrial-fibrillation-after-catheter-ablation
#13
Shao-Bin Wei, Wei Wang, Nian Liu, Ji Chen, Xue-Yuan Guo, Ri-Bo Tang, Rong-Hui Yu, De-Yong Long, Cai-Hua Sang, Chen-Xi Jiang, Song-Nan Li, Song-Nan Wen, Jia-Hui Wu, Rong Bai, Xin Du, Jian-Zeng Dong, Chang-Sheng Ma
PURPOSE: Thyroid dysfunction affects the outcomes of atrial fibrillation (AF) catheter ablation. However, it remains unclear if the variations in thyroid function, especially in the triiodothyronine levels, are associated with AF recurrence in euthyroid subjects. This study investigated the associations of thyroid hormone levels with arrhythmia recurrence after AF catheter ablation in euthyroid patients. METHODS: A total of 1115 consecutive AF patients who underwent catheter ablation were prospectively enrolled and had their thyroid function measured prior to the procedure...
April 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29460908/-association-of-sleep-disorders-with-headache
#14
A V Golenkov, F V Orlov, S P Sapozhnikov, V A Kozlov
AIM: The aim of the present study was to investigate the connection of sleep disorders (SD) with a headache (HA) among the representative sample of population. MATERIAL AND METHODS: 1115 inhabitants of Chuvashia (491 men and 624 women) aged from 18 to 70 years old have been interviewed (middle age 38.7±13.9 years old); respondents under 18 and over 70 years old were not included into the research. There were 690 city residents, and 425 residents of the rural areas...
2018: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29428226/intravenous-plus-inhaled-versus-intravenous-colistin-monotherapy-for-lower-respiratory-tract-infections-a-systematic-review-and-meta-analysis
#15
REVIEW
Konstantinos Z Vardakas, Andreas D Mavroudis, Maria Georgiou, Matthew E Falagas
OBJECTIVE: To evaluate whether intravenous plus inhaled combination (IV/INHCC) compared to intravenous monotherapy (IVCM) was associated with patient outcomes and identify factors influencing study outcomes. METHODS: PubMed and Scopus were searched till November 2016. Studies were included if they evaluated adult patients with lower respiratory tract infections due to MDR/XDR Gram-negative bacteria and reported comparative mortality data (adjusted and unadjusted) for patients receiving IV/INHCC versus IVCM...
April 2018: Journal of Infection
https://www.readbyqxmd.com/read/29391570/flexible-spectral-manipulation-property-of-a-high-power-linearly-polarized-random-fiber-laser
#16
Jun Ye, Jiangming Xu, Jiaxin Song, Hanshuo Wu, Hanwei Zhang, Jian Wu, Pu Zhou
Fiber lasers with flexible spectral manipulation property could provide a flexible tool for scenes where the temporal coherence property accounts, for example, coherent sensing/communication and nonlinear frequency conversion. Due to the good laser performance and relative simplicity of implementation, random fiber lasers (RFLs) based on random distributed feedback and Raman gain have earned more and more attention in the past few years, and a variety of RFLs with substantially different spectral properties have been developed...
February 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29368228/do-metacognitive-judgments-alter-memory-performance-beyond-the-benefits-of-retrieval-practice-a-comment-on-and-replication-attempt-of-dougherty-scheck-nelson-and-narens-2005
#17
Michael R Dougherty, Alison M Robey, Daniel Buttaccio
A central question in the metacognitive literature concerns whether the act of making a metacognitive judgment alters one's memory for the information about which the judgment was made. Dougherty, Scheck, Nelson, and Narens (2005, Memory & Cognition, 33(6), 1096-1115) attempted to address this question by having participants make either retrospective confidence judgments (RCJs; i.e., evaluations of past retrieval success), judgments of learning (JOLs; i.e., predictions of future retrieval success), or no explicit judgments...
January 24, 2018: Memory & Cognition
https://www.readbyqxmd.com/read/29357040/hepatic-cavernous-hemangiomas-long-term-5-years-follow-up-changes-on-contrast-enhanced-dynamic-computed-tomography-or-magnetic-resonance-imaging-and-determinant-factors-of-the-size-change
#18
Jiae Choi, Jeong-Sik Yu, Eun-Suk Cho, Joo Hee Kim, Jae-Joon Chung
PURPOSE: To investigate the very long-term (> 5 years) follow-up changes of hepatic cavernous hemangiomas and to evaluate possible determinant factors for the changes. MATERIALS AND METHODS: Among 1115 consecutive patients suspected of having hepatic hemangiomas based on imaging features, 101 patients with comparable computed tomography or magnetic resonance imaging data during a 5-year follow-up interval in the Picture Archiving and Communication System were analyzed...
May 2018: La Radiologia Medica
https://www.readbyqxmd.com/read/29352210/distribution-and-the-origin-of-invasive-apple-snails-pomacea-canaliculata-and-p-maculata-gastropoda-ampullariidae-in-china
#19
Qian-Qian Yang, Su-Wen Liu, Chao He, Xiao-Ping Yu
Species of Pomacea, commonly known as apple snails, are native to South America, and have become widely distributed agricultural and environmental pests in southern China since their introduction in the 1980s. However, only since 2010 have researchers recognized that at least two species, P. canaliculata and P. maculata, are present in China. Although impacts of apple snails have been extensively documented, confusion still persists regarding current distributions and origin of the species in China. To resolve this confusion, we used phylogenetic and phylogeographic methods to analyze 1464 mitochondrial COI sequences, including 349 new sequences from samples collected in southern China and 1115 publicly available sequences from snails collected in the native and introduced ranges...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351673/the-barrow-neurological-institute-grading-scale-as-a-predictor-for-delayed-cerebral-ischemia-and-outcome-after-aneurysmal-subarachnoid-hemorrhage-data-from-a-nationwide-patient-registry-swiss-sos
#20
Marian Christoph Neidert, Nicolai Maldaner, Martin Nikolaus Stienen, Michel Roethlisberger, Daniel W Zumofen, Donato D'Alonzo, Serge Marbacher, Rodolfo Maduri, Isabel Charlotte Hostettler, Bawarjan Schatlo, Michel M Schneider, Martin A Seule, Daniel Schöni, Johannes Goldberg, Christian Fung, Marta Arrighi, Daniele Valsecchi, Philippe Bijlenga, Karl Schaller, Oliver Bozinov, Luca Regli, Jan-Karl Burkhardt
BACKGROUND: The Barrow Neurological Institute (BNI) scale is a novel quantitative scale measuring maximal subarachnoid hemorrhage (SAH) thickness to predict delayed cerebral ischemia (DCI). This scale could replace the Fisher score, which was traditionally used for DCI prediction. OBJECTIVE: To validate the BNI scale. METHODS: All patient data were obtained from the prospective aneurysmal SAH multicenter registry. In 1321 patients, demographic data, BNI scale, DCI, and modified Rankin Scale (mRS) score up to the 1-yr follow-up (1FU) were available for descriptive and univariate statistics...
January 17, 2018: Neurosurgery
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