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https://www.readbyqxmd.com/read/28654852/adductor-canal-compression-syndrome-in-an-18-year-old-female-patient-leading-to-acute-critical-limb-ischemia-a-case-report
#1
Yi Zhou, Evan J Ryer, Robert P Garvin, Jeremy L Irvan, James R Elmore
BACKGROUND: Adductor canal compression syndrome is a rare non-atherosclerotic cause of arterial occlusion and limb ischemia. PRESENTATION OF CASE: The patient is an 18-year-old healthy female who presented to the emergency department with acute left lower extremity ischemia. Her symptoms began as sudden onset mild foot pain approximately two months ago. Over the 72h prior to presentation, she developed severe pain, pallor, paralysis, loss of pedal pulses, paresthesia, and poikilothermia...
June 17, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28654751/substrate-recognition-mechanism-of-the-putative-yeast-carnosine-n-methyltransferase
#2
Xiwen Liu, Jialiang Wu, Yujie Sun, Wei Xie
Anserine (β-alanyl-N(Pi) -methyl-L-histidine) is a natural metabolite present in skeletal muscle and the central nervous system of vertebrates, and plays important physiological roles in living organisms. The production of anserine is catalyzed by carnosine N-methyltransferases, which transfer a methyl group to carnosine (β-alanyl-L-histidine). However, the structural basis of the substrate recognition for the enzymes is unknown. We present the crystal structure of the putative carnosine N-methyltransferase from yeast named YNL092W in complex with SAH, solved by the single-wavelength anomalous dispersion (SAD) method...
June 27, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28653823/commendable-eu2-doped-oxide-based-matrix-liba12-bo3-7f4-red-broad-emission-phosphor-excited-by-nuv-light-electronic-and-crystal-structures-luminescence-properties
#3
Xin Ding, Yuhua Wang
In this work, we synthesized a new Eu2+ doped oxide matrix based-LiBa12(BO3)7F4 broad red emission phosphor. It can emit red light peaking at ~644 nm under NUV excitation with the coordinate at (0.6350, 0.3586) and a sensitive color gamut for eyes. This phosphor with a kind special tunnel crystal structure and layered distribution of Ba2+ is contributed to longer wavelength emission. By theoretical calculation and analysis using local state density energy band structure simulation of Eu2+ doped in different site, the origin of the observed emission center is distinguished...
June 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28653543/current-induced-magnetic-polarons-in-a-colloidal-quantum-dot-device
#4
Franziska Muckel, Charles J Barrows, Arthur Graf, Alexander Schmitz, Christian S Erickson, Daniel R Gamelin, Gerd Bacher
Electrical spin manipulation remains a central challenge for the realization of diverse spin-based information processing technologies. Motivated by the demonstration of confinement-enhanced sp-d exchange interactions in colloidal diluted magnetic semiconductor (DMS) quantum dots (QDs), such materials are considered promising candidates for future spintronic or spin-photonic applications. Despite intense research into DMS QDs, electrical control of their magnetic and magneto-optical properties remains a daunting goal...
June 27, 2017: Nano Letters
https://www.readbyqxmd.com/read/28653465/introduction-to-anomalous-aortic-origin-of-a-coronary-artery
#5
Julie A Brothers
Anomalous aortic origin of a coronary artery (AAOCA) occurs when both coronary arteries arise from the same aortic sinus from a single ostium or two separate ostia. While most coronary anomalies are benign, the two most common subtypes that predispose to sudden cardiac death in the young are interarterial anomalous right coronary artery and interarterial anomalous left coronary artery. Practitioners face many challenges with AAOCA. Diagnosing patients may be difficult because children and adolescents are often asymptomatic and first presentation may be sudden death or sudden cardiac arrest...
June 27, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28652677/anomalous-origin-of-circumflex-coronary-artery-from-right-pulmonary-artery-associated-with-atrial-septal-defect
#6
Mustafa A Al-Muhaya, Aitizaz Syed, Abdul Hameed A Najjar, Mohammad Mofeed, Mansour Al-Mutairi
We describe a 4-year-old girl with anomalous origin of the left circumflex coronary artery from the right pulmonary artery and large atrial septal defect. This is the first reported case of such association. Surgical reimplantation of the anomalous left circumflex coronary artery to the aorta and atrial septal defect surgical closure was performed, with no postoperative complications.
July 2017: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/28651802/echocardiographic-diagnosis-surgical-treatment-and-outcomes-of-anomalous-left-coronary-artery-from-the-pulmonary-artery
#7
Shivani G Patel, Michele A Frommelt, Peter C Frommelt, Shelby Kutty, Jonathan W Cramer
BACKGROUND: Anomalous left coronary artery from the pulmonary artery (ALCAPA) is a rare condition that can be difficult to diagnose by echocardiography alone. The purpose of this study was to describe the clinical and echocardiographic presentation of ALCAPA, create a set of critical echocardiographic diagnostic criteria, and report outcomes. METHODS: A retrospective review was conducted of all patients diagnosed with isolated ALCAPA at two major cardiac centers between 1990 and 2015...
June 23, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28651676/anomalous-origin-of-the-left-coronary-artery-from-the-right-pulmonary-artery-in-a-univentricular-heart
#8
Ziyad M Binsalamah, Diego A Lara, Emmett D McKenzie
Anomalous origin of the left coronary artery from the right pulmonary artery in single ventricles is a very rare congenital anomaly. Failure to recognise it preoperatively may lead to adverse outcomes, including death. We report the case of a neonate with a univentricular heart in the form of a double-outlet right ventricle, mitral atresia with discrete coarctation of the aorta, and an incidental intraoperative finding of an anomalous origin of the left coronary artery from the right pulmonary artery. The patient underwent a successful repair with an uneventful postoperative course...
June 27, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28651297/anomalous-origin-of-the-left-main-coronary-artery-arising-from-the-left-ventricular-outflow-tract-with-a-retro-aortic-collateral-vessel
#9
Asad Khan, Jason Audlin, Santiago Miro, Debanik Chaudhuri, Robert Dunton
No abstract text is available yet for this article.
June 26, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28650641/a-discovery-of-strong-metal-support-bonding-in-nano-engineered-au-fe3o4-dumbbell-like-nanoparticles-by-in-situ-transmission-electron-microscopy
#10
Chang Wan Han, Tej Choksi, Cory Adam Milligan, Paulami Majumdar, Michael J Manto, Yanran Cui, Xiahan Sang, Raymond R Unocic, Dmitry Y Zemlyanov, Chao Wang, Fabio H Ribeiro, Jeffrey Greeley, Volkan Ortalan
The strength of metal-support bonding in heterogeneous catalysts determines their thermal stability, therefore, a tremendous amount of effort has been expended to understand metal-support interactions. Herein, we report the discovery of an anomalous "strong metal-support bonding" between gold nanoparticles and "nano-engineered" Fe3O4 substrates by in-situ microscopy. During in-situ vacuum annealing of Au-Fe3O4 dumbbell-like nanoparticles, synthesized by the epitaxial growth of nano-Fe3O4 on Au nanoparticles, the gold nanoparticles transform into the gold thinfilms and wet the surface of nano-Fe3O4, as the surface reduction of nano-Fe3O4 proceeds...
June 26, 2017: Nano Letters
https://www.readbyqxmd.com/read/28647970/-association-between-the-types-of-obesity-and-the-10-year-coronary-heart-disease-risk-in-tibet-autonomous-region-and-xinjiang-uygur-autonomous-region
#11
C Y Zheng, Z W Wang, Z Chen, L F Zhang, X Wang, Y Dong, J Y Nie, J L Wang, L Shao, Y Tian
Objective: To investigate the association between types of obesity and the 10-year-coronary heart disease risk in Tibet and Xinjiang of China. Methods: Using the multi-stage random sampling method, 7 631 participants aged 35 or older were examined under the International Standardized Examination process but with only 5 802 were eligible for analysis, in the 2015-2016 season. Results: The prevalence rates of general obesity, central obesity, visceral obesity and compound obesity were 0.53%, 12.62%, 10.08% and 42...
June 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28644651/rescattering-effects-in-the-hadronic-light-by-light-contribution-to-the-anomalous-magnetic-moment-of-the-muon
#12
Gilberto Colangelo, Martin Hoferichter, Massimiliano Procura, Peter Stoffer
We present a first model-independent calculation of ππ intermediate states in the hadronic-light-by-light (HLBL) contribution to the anomalous magnetic moment of the muon (g-2)_{μ} that goes beyond the scalar QED pion loop. To this end, we combine a recently developed dispersive description of the HLBL tensor with a partial-wave expansion and demonstrate that the known scalar-QED result is recovered after partial-wave resummation. Using dispersive fits to high-statistics data for the pion vector form factor, we provide an evaluation of the full pion box a_{μ}^{π box}=-15...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28644498/the-mechanism-of-anomalous-hardening-in-transition-metal-monoborides
#13
Yongcheng Liang, Zhenbang Gao, Ping Qin, Li Gao, Chun Tang
The quest for novel nanomaterials with unusual functionalities continues to be a central challenge to modern nanoscience. Here we report a surprisingly anomalous hardening behavior exhibited by a class of transition-metal monoborides (TMB). Most remarkable is the occurrence of the intrinsic hardness maximum at the valence-electron concentration (VEC) of about 8 electrons per formula unit (e per f.u.); both lower and higher VECs lead to the decrease of hardness, contrasting with the expected positive correlation between hardness and VEC...
June 23, 2017: Nanoscale
https://www.readbyqxmd.com/read/28643441/coronary-artery-anomalies-a-multidisciplinary-approach-to-shape-the-landscape-of-a-challenging-problem
#14
Silvana Molossi, Hitesh Agrawal
Coronary artery anomalies, particularly anomalous aortic origin of a coronary artery with an interarterial course, are associated with sudden cardiac arrest or death in the young. There is paucity of data on risk stratification and longitudinal follow up is lacking in these patients. Collaboration and sharing of data among specialized centers might shed much needed light in this complex problem.
June 23, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28642726/urban-legends-and-paranormal-beliefs-the-role-of-reality-testing-and-schizotypy
#15
Neil Dagnall, Andrew Denovan, Kenneth Drinkwater, Andrew Parker, Peter J Clough
Recent research suggests that unconventional beliefs are locatable within a generic anomalous belief category. This notion derives from the observation that apparently dissimilar beliefs share fundamental, core characteristics (i.e., contradiction of orthodox scientific understanding of the universe and defiance of conventional understanding of reality). The present paper assessed the supposition that anomalous beliefs were conceptually similar and explicable via common psychological processes by comparing relationships between discrete beliefs [endorsement of urban legends (ULs) and belief in the paranormal] and cognitive-perceptual personality measures [proneness to reality testing (RT) and schizotypy]...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28642348/confined-in-fiber-solidification-and-structural-control-of-silicon-and-silicon-germanium-microparticles
#16
Alexander Gumennik, Etgar C Levy, Benjamin Grena, Chong Hou, Michael Rein, Ayman F Abouraddy, John D Joannopoulos, Yoel Fink
Crystallization of microdroplets of molten alloys could, in principle, present a number of possible morphological outcomes, depending on the symmetry of the propagating solidification front and its velocity, such as axial or spherically symmetric species segregation. However, because of thermal or constitutional supercooling, resulting droplets often only display dendritic morphologies. Here we report on the crystallization of alloyed droplets of controlled micrometer dimensions comprising silicon and germanium, leading to a number of surprising outcomes...
June 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28641850/anomalous-origin-of-left-main-coronary-artery-from-innominate-artery
#17
Chuan-Fen Liu, Cheng-Fu Cao, Wei-Min Wang, Jian Liu, Ming-Yu Lu, Hong Zhao, Yu-Liang Ma, Qi Li
No abstract text is available yet for this article.
June 26, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28639359/interobserver-variability-in-the-classification-of-congenital-coronary-abnormalities-a-substudy-of-the-anomalous-connections-of-the-coronary-arteries-registry
#18
Athanasios Koutsoukis, Xavier Halna du Fretay, Patrick Dupouy, Phalla Ou, Jean-Pierre Laissy, Jean-Michel Juliard, Fabien Hyafil, Pierre Aubry
OBJECTIVE: The diagnosis of anomalous connections of the coronary arteries (ANOCOR) requires an appropriate identification for the management of the patients involved. We studied the observer variability in the description and classification of ANOCOR between a nonexpert group of physicians and a group of expert physicians, using the ANOCOR cohort. PATIENTS AND DESIGN: Consecutive patients identified by 71 referring cardiologists were included in the ANOCOR cohort...
June 21, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28638575/danon-disease-for-the-cardiologist-case-report-and-review-of-the-literature
#19
Ryan S D'souza, Luisa Mestroni, Matthew R G Taylor
Danon disease is a rare, X-linked dominant genetic disorder that is caused by defects in the lysosome-associated membrane protein 2 (LAMP2) gene. It manifests predominantly in young males with a classic triad of cardiomyopathy, skeletal myopathy, and intellectual disability. Death from cardiac disease is the ultimate cause of demise in many patients if left untreated. Given the rarity of the condition, the natural history is poorly understood. Here, we present a case report on a 14-year-old Hispanic boy with Danon disease, highlighting major clinical events and diagnostic study findings over a six-year period from age of symptom onset to age of death...
March 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28637353/hallmarks-of-pulmonary-hypertension-mesenchymal-and-inflammatory-cell-metabolic-reprogramming
#20
Angelo D'Alessandro, Karim El Kasmi, Lydie Plecita-Hlavata, Petr Jezek, Min Li, Hui Zhang, Sachin A Gupte, Kurt Randall Stenmark
The molecular events that promote the development of pulmonary hypertension (PH) are complex and incompletely understood. The complex interplay between the pulmonary vasculature and its immediate microenvironment involving cells of immune system (i.e. macrophages) promotes a persistent inflammatory state, pathological angiogenesis and fibrosis that is driven by metabolic reprogramming of mesenchymal and immune cells. Consistent with previous findings in the field of cancer metabolism, increased glycolytic rates, incomplete glucose and glutamine oxidation to support anabolism and anaplerosis, altered lipid synthesis/oxidation ratios, increased one-carbon metabolism and activation of the pentose phosphate pathway to support nucleoside synthesis are but some of the key metabolic signatures of vascular cells in PH...
June 22, 2017: Antioxidants & Redox Signaling
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