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https://www.readbyqxmd.com/read/28645120/acute-abdomen-secondary-to-ruptured-epithelial-ovarian-cancer-during-pregnancy-the-relevance-of-teamwork
#1
Carlos Manuel Ortiz-Mendoza, Sandra Adriana Vera-Vázquez, Manuel Gómez-Rodríguez, José Luis López-Gómez, Leticia Bornstein-Quevedo
Acute abdomen secondary to epithelial ovarian cancer rupture during pregnancy is a rare event. Our aim is to present how the work of a coordinated multidisciplinary team in a case of ruptured epithelial ovarian cancer during pregnancy is feasible to obtain the best results possible. A 34-year-old woman during the 37th week of her first gestation presented with an acute abdomen. During laparotomy, a ruptured 16.5-cm left ovarian tumor was detected; the tumor was extirpated and sent to pathologic evaluation. In the meantime, a Kerr cesarean section was performed, and a healthy female neonate was born...
June 23, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28644818/fabrication-and-optical-properties-of-nanostructured-plasmonic-al2o3-au-al2o3-al2o3-metamaterials
#2
Hicham Bakkali, Eduardo Blanco, Manuel Dominguez, Jose S Garitaonandia
Discontinuous multilayer (DML) thin films, which consist of nano-granular metals (NGMs) embedded in a dielectric matrix, have attracted significant interest as engineered plasmonic metamaterials. In this study, a systematic layer-by-layer deposition of three-dimensional sub-wavelength periodic plasmonic DML structures via the radio frequency sputtering of a composite target has been reported. The overall optical response of the DML films composed of AuAl2O3 NGM homogenous layers, which are periodically sandwiched between two amorphous Al2O3 layers, are studied using reflection spectroscopic ellipsometry and transmission spectroscopy techniques...
June 23, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28644636/path-controlled-time-reordering-of-paired-photons-in-a-dressed-three-level-cascade
#3
Samir Bounouar, Max Strauß, Alexander Carmele, Peter Schnauber, Alexander Thoma, Manuel Gschrey, Jan-Hindrik Schulze, André Strittmatter, Sven Rodt, Andreas Knorr, Stephan Reitzenstein
The two-photon dressing of a "three-level ladder" system, here the ground state, the exciton, and the biexciton of a semiconductor quantum dot, leads to new eigenstates and allows one to manipulate the time ordering of the paired photons without unitary postprocessing. We show that, after spectral postselection of the single dressed states, the time ordering of the cascaded photons can be removed or conserved. Our joint experimental and theoretical study demonstrates the high potential of a "ladder" system to be a versatile source of orthogonally polarized, bunched or antibunched pairs of photons...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28644607/electrochemical-exfoliation-of-graphite-in-aqueous-sodium-halide-electrolytes-towards-low-oxygen-content-graphene-for-energy-and-environmental-applications
#4
Jose Maria Munuera, Juan Ignacio Paredes, Marina Enterria, Ana Pagán, Silvia Villar-Rodil, Manuel Fernando R Pereira, J I Martins, José L Figueiredo, Jose Luis Cenis, Amelia Martinez-Alonso, Juan Manuel D Tascon
Graphene and graphene-based materials have shown great promise in many technological applications, but their large-scale production and processing by simple and cost-effective means still constitute significant issues in the path of their widespread implementation. Here, we investigate a straightforward method for the preparation of a ready-to-use and low oxygen content graphene material that is based on electrochemical (anodic) delamination of graphite in aqueous medium with sodium halides as the electrolyte...
June 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28644182/incidence-and-management-of-recurrence-in-patients-with-crohn-s-disease-who-have-undergone-intestinal-resection-the-practicrohn-study
#5
Eugeni Domènech, Valle Garcia, Marisa Iborra, Ana Gutiérrez, Santiago García-López, María D Martín Arranz, Esther Garcia-Planella, Marta Calvo, Luisa Castro, Miguel Mínguez, Carlos Taxonera, Berta Juliá, Luis Cea-Calvo, Cristina Romero, Manuel Barreiro-de Acosta
BACKGROUND: More than 50% of patients with Crohn's disease require intestinal resection at least once. Postoperative recurrence (POR) is almost uniform if prophylactic treatment is not started early. Endoscopic monitoring is generally advised. We studied the incidence and management of recurrence in patients who had undergone intestinal resection. METHODS: Practicrohn was an observational retrospective study performed in 26 Spanish hospitals including patients aged ≥18 years who underwent Crohn's disease-related ileocolonic resection between January 2007 and December 2010...
June 20, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28643787/single-virus-genomics-reveals-hidden-cosmopolitan-and-abundant-viruses
#6
Francisco Martinez-Hernandez, Oscar Fornas, Monica Lluesma Gomez, Benjamin Bolduc, Maria Jose de la Cruz Peña, Joaquín Martínez Martínez, Josefa Anton, Josep M Gasol, Riccardo Rosselli, Francisco Rodriguez-Valera, Matthew B Sullivan, Silvia G Acinas, Manuel Martinez-Garcia
Microbes drive ecosystems under constraints imposed by viruses. However, a lack of virus genome information hinders our ability to answer fundamental, biological questions concerning microbial communities. Here we apply single-virus genomics (SVGs) to assess whether portions of marine viral communities are missed by current techniques. The majority of the here-identified 44 viral single-amplified genomes (vSAGs) are more abundant in global ocean virome data sets than published metagenome-assembled viral genomes or isolates...
June 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28643741/prognostic-and-predictive-markers-of-response-to-treatment-in-patients-with-locally-advanced-unresectable-and-metastatic-pancreatic-adenocarcinoma-treated-with-gemcitabine-nab-paclitaxel-results-of-a-retrospective-analysis
#7
Ana Fernández Montes, Paula González Villarroel, Manuel Valladares Ayerbes, Juan De la Cámara Gómez, Guillermo Quintero Aldana, Lidia Vázquez Tuñas, Mercedes Salgado Fernández, Mónica Jorge Fernández
BACKGROUND: Recent studies support the use of gemcitabine and nab-paclitaxel in adults with locally advanced unresectable or metastatic pancreatic adenocarcinoma although insufficient data are available on prognostic and predictive markers of response to treatment. OBJECTIVE: The objective of this study is to identify treatment response markers in patients with locally advanced unresectable or metastatic pancreatic adenocarcinoma. MATERIALS AND METHODS: This is an observational, retrospective, and multicenter study...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643606/origin-of-low-molecular-mass-aldehydes-as-disinfection-by-products-in-beverages
#8
María Serrano, Mercedes Gallego, Manuel Silva
A novel, simple and automatic method based on static headspace-gas chromatography-mass spectrometry has been developed to determine 10 low-molecular mass aldehydes that can be found in beverages, coming from the treated water used in their production. These aldehydes are the most frequently found in treated water as water disinfection by-products, so they can be used as indicators of the addition of treated water to beverages. The study covered a large number of fruit juices and soft drinks. The presence of the whole array of analytes is related to the contact with treated water during beverage production, mainly by the addition of treated water as ingredient...
June 23, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28643544/varicella-zoster-meningovasculitis-in-a-multiple-sclerosis-patient-treated-with-natalizumab
#9
Patricia Mulero, Cristina Auger, Laura Parolin, Elena Fonseca, Manuel Requena, Jordi Rio, Mar Tintoré, Alex Rovira, Xavier Montalban
BACKGROUND: Natalizumab is associated with the occasional occurrence of progressive multifocal leukoencephalopathy (PML). While natalizumab-associated PML is well described in multiple sclerosis (MS) patients, herpes and other infections have rarely been reported. OBJECTIVE: To report a case of varicella-zoster (VZV) meningovasculitis in a MS patient treated with natalizumab. METHODS: Case report. RESULTS: A 48-year-old woman diagnosed with MS in treatment with natalizumab (Expanded Disability Status Scale (EDSS): 4...
June 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28643291/-more-than-expectorant-new-scientific-data-on-ambroxol-in-the-context-of-the-treatment-of-bronchopulmonary-diseases
#10
Manuel Plomer, Justus de Zeeuw
BACKGROUND: Ambroxol has been established for decades in the treatment of acute and chronic respiratory diseases. In 2015, the European Medicines Agency reassessed the clinical benefit-risk ratio of the drug. OBJECTIVE: What new scientific data on ambroxol, which are relevant to the treatment of bronchopulmonary diseases, are available? METHOD: The review is based on a systematic literature research in medline with the search term "ambroxol" during the publication period 2006-2015...
June 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28642871/promoting-mental-health-in-italian-middle-and-high-school-a-pilot-study
#11
Franco Veltro, Valentina Ialenti, Manuel Alejandro Morales García, Emiliana Bonanni, Claudia Iannone, Marinella D'Innocenzo, Antonella Gigantesco
AIM: In Italy, a handbook has been developed based on the principles of cooperative learning, life skills, self-effectiveness, and problem-solving at high school level. Early studies have shown the handbook's effectiveness. It has been hypothesized that the revised handbook could be more effective in middle schools. METHOD: The study design is a "pre- and posttest" that compares the results obtained from 91 students of the high schools with those of the 38 students from middle schools...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28642812/the-antioxidant-machinery-of-young-and-senescent-human-umbilical-vein-endothelial-cells-and-their-microvesicles
#12
Guillermo Bodega, Matilde Alique, Lourdes Bohórquez, Sergio Ciordia, María C Mena, Manuel R Ramírez
We examine the antioxidant role of young and senescent human umbilical vein endothelial cells (HUVECs) and their microvesicles (MVs). Proteomic and Western blot studies have shown young HUVECs to have a complete and well-developed antioxidant system. Their MVs also contain antioxidant molecules, though of a smaller and more specific range, specialized in the degradation of hydrogen peroxide and the superoxide anion via the thioredoxin-peroxiredoxin system. Senescence was shown to be associated with a large increase in the size of the antioxidant machinery in both HUVECs and their MVs...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28642746/virucidal-activity-of-fogged-chlorine-dioxide-and-hydrogen-peroxide-based-disinfectants-against-human-norovirus-and-its-surrogate-feline-calicivirus-on-hard-to-reach-surfaces
#13
Naim Montazeri, Clyde Manuel, Eric Moorman, Janak R Khatiwada, Leonard L Williams, Lee-Ann Jaykus
Human norovirus (NoV) is the leading cause of foodborne illnesses in the United States. Norovirus is shed in high numbers in the feces and vomitous of infected individuals. Contact surfaces contaminated with bodily fluids harboring infectious virus particles serve as vehicles for pathogen transmission. Environmental stability of NoV and its resistance to many conventional disinfectants necessitate effective inactivation strategies to control the spread of virus. We investigated the efficacy of two commercial disinfectants, hydrogen peroxide (7...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28642648/morphological-analysis-of-the-scapula-and-its-implications-in-bristow-latarjet-procedure
#14
Joana Daniela DE Oliveira Silva, Catarina Neves Damas, Márcia Christel DE Carvalho Sá, João Manuel Costa Ferreira Torres
OBJECTIVE: To assess which of two procedures, Bristow or Latarjet, is anatomically the most appropriate for the general population . METHODS: One thousand one hundred and thirty two shoulders were evaluated by an observer who measured the following coracoid process parameters - length, angle and minimum thickness - through Computed Tomography (CT) analysis. Statistical analysis was carried out by ANOVA and Bland-Altman tests . RESULTS: The mean length, angle and minimum thickness of the coracoid were 27...
January 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642382/a-global-brain-state-underlies-c-elegans-sleep-behavior
#15
Annika L A Nichols, Tomáš Eichler, Richard Latham, Manuel Zimmer
How the brain effectively switches between and maintains global states, such as sleep and wakefulness, is not yet understood. We used brainwide functional imaging at single-cell resolution to show that during the developmental stage of lethargus, the Caenorhabditis elegans brain is predisposed to global quiescence, characterized by systemic down-regulation of neuronal activity. Only a few specific neurons are exempt from this effect. In the absence of external arousing cues, this quiescent brain state arises by the convergence of neuronal activities toward a fixed-point attractor embedded in an otherwise dynamic neural state space...
June 23, 2017: Science
https://www.readbyqxmd.com/read/28641963/modulation-of-the-heart-s-electrical-properties-by-the-anticonvulsant-drug-retigabine
#16
Lena Rubi, Michael Kovar, Eva Zebedin-Brandl, Xaver Koenig, Manuel Dominguez-Rodriguez, Hannes Todt, Helmut Kubista, Stefan Boehm, Karlheinz Hilber
Retigabine, currently used as antiepileptic drug, has a wide range of potential medical uses. Administration of the drug in patients can lead to QT interval prolongation in the electrocardiogram and to cardiac arrhythmias in rare cases. This suggests that the drug may perturb the electrical properties of the heart, and the underlying mechanisms were investigated here. Effects of retigabine on currents through human cardiac ion channels, heterologously expressed in tsA-201 cells, were studied in whole-cell patch-clamp experiments...
June 19, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28641787/social-jet-lag-potentiates-obesity-and-metabolic-syndrome-when-combined-with-cafeteria-diet-in-rats
#17
Estefania Espitia-Bautista, Mario Velasco-Ramos, Iván Osnaya-Ramírez, Manuel Ángeles-Castellanos, Ruud M Buijs, Carolina Escobar
BACKGROUND/OBJECTIVES: Modern lifestyle promotes shifted sleep onset and shifted wake up time between weekdays and weekends, producing a condition termed "social-jet lag." Disrupted sleep promotes increased appetite for carbohydrate and fat-rich food, which in long term leads to overweight, obesity and metabolic syndrome. In order to mimic the human situation we produced an experimental model of social-jet lag (Sj-l). With this model, we explored the link between shifted sleep time with consumption of a cafeteria diet (CafD) and the development of obesity and metabolic syndrome...
July 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28641604/prevalence-and-genetic-diversity-of-blood-parasite-mixed-infections-in-spanish-terrapins-mauremys-leprosa
#18
Alfonso Marzal, Alejandro Ibáñez, Manuel González-Blázquez, Pilar López, José Martín
Blood parasites such as haemogregarines and haemosporidians have been identified in almost all groups of vertebrates and may cause serious damages to their hosts. However, very little is known about biodiversity of these parasites and their effects on some groups of reptiles such as terrapins. Moreover, the information on virulence from blood parasites mixed infection is largely unknown in reptiles. With this aim, we investigated for the first time the prevalence and genetic diversity of blood parasites from one genus of haemoparasitic aplicomplexan (Hepatozoon) in two populations of Spanish terrapins (Mauremys leprosa), a semi-aquatic turtle from southwestern Europe with a vulnerable conservation status...
June 23, 2017: Parasitology
https://www.readbyqxmd.com/read/28641116/mechanisms-for-selective-single-cell-reactivation-during-offline-sharp-wave-ripples-and-their-distortion-by-fast-ripples
#19
Manuel Valero, Robert G Averkin, Ivan Fernandez-Lamo, Juan Aguilar, Diego Lopez-Pigozzi, Jorge R Brotons-Mas, Elena Cid, Gabor Tamas, Liset Menendez de la Prida
Memory traces are reactivated selectively during sharp-wave ripples. The mechanisms of selective reactivation, and how degraded reactivation affects memory, are poorly understood. We evaluated hippocampal single-cell activity during physiological and pathological sharp-wave ripples using juxtacellular and intracellular recordings in normal and epileptic rats with different memory abilities. CA1 pyramidal cells participate selectively during physiological events but fired together during epileptic fast ripples...
June 21, 2017: Neuron
https://www.readbyqxmd.com/read/28641058/acute-kinematics-changes-in-marathon-runners-using-different-footwear
#20
Tania Socorro Amorim Soares, Camila Fonseca de Oliveira, Federico Pizzuto, Rui Manuel Garganta, João Paulo Vila-Boas, Mario Casimiro da Anunciação Paiva
The effects of running with or without shoes on injury prevention have been extensively studied, and several investigations have assessed biomechanical differences between them. However, findings are not consensual and further insights on biomechanical load associated with differently shod or barefoot conditions may be needed. This study aimed to observe if habitually shod marathon runners show acute alterations when running barefoot or with minimalist shoes, and to determine whether the running kinematical adaptations of wearing minimalist shoes were similar to barefoot running...
June 22, 2017: Journal of Sports Sciences
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