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Nicole Kozloff, Carol E Adair, Luis I Palma Lazgare, Daniel Poremski, Amy H Cheung, Rebeca Sandu, Vicky Stergiopoulos
BACKGROUND AND OBJECTIVES: "Housing First" has been shown to improve housing stability in homeless individuals with mental illness, but had not been empirically tested in homeless youth. We aimed to evaluate the effect of "Housing First" on housing stability in homeless youth aged 18 to 24 years participating in At Home/Chez Soi, a 24-month randomized trial of "Housing First" in 5 Canadian cities. METHODS: Homeless individuals with mental illness were randomized to receive "Housing First" (combined with assertive community treatment or intensive case management depending on their level of need) or treatment as usual...
September 28, 2016: Pediatrics
Irina Sandu, Peter Bechtold, Anton Beljaars, Alessio Bozzo, Felix Pithan, Theodore G Shepherd, Ayrton Zadra
A recent intercomparison exercise proposed by the Working Group for Numerical Experimentation (WGNE) revealed that the parameterized, or unresolved, surface stress in weather forecast models is highly model-dependent, especially over orography. Models of comparable resolution differ over land by as much as 20% in zonal mean total subgrid surface stress (τtot ). The way τtot is partitioned between the different parameterizations is also model-dependent. In this study, we simulated in a particular model an increase in τtot comparable with the spread found in the WGNE intercomparison...
March 2016: J Adv Model Earth Syst
Stéphanie Bauché, Seana O'Regan, Yoshiteru Azuma, Fanny Laffargue, Grace McMacken, Damien Sternberg, Guy Brochier, Céline Buon, Nassima Bouzidi, Ana Topf, Emmanuelle Lacène, Ganaelle Remerand, Anne-Marie Beaufrere, Céline Pebrel-Richard, Julien Thevenon, Salima El Chehadeh-Djebbar, Laurence Faivre, Yannis Duffourd, Federica Ricci, Tiziana Mongini, Chiara Fiorillo, Guja Astrea, Carmen Magdalena Burloiu, Niculina Butoianu, Carmen Sandu, Laurent Servais, Gisèle Bonne, Isabelle Nelson, Isabelle Desguerre, Marie-Christine Nougues, Benoit Bœuf, Norma Romero, Jocelyn Laporte, Anne Boland, Doris Lechner, Jean-François Deleuze, Bertrand Fontaine, Laure Strochlic, Hanns Lochmuller, Bruno Eymard, Michèle Mayer, Sophie Nicole
The neuromuscular junction (NMJ) is one of the best-studied cholinergic synapses. Inherited defects of peripheral neurotransmission result in congenital myasthenic syndromes (CMSs), a clinically and genetically heterogeneous group of rare diseases with fluctuating fatigable muscle weakness as the clinical hallmark. Whole-exome sequencing and Sanger sequencing in six unrelated families identified compound heterozygous and homozygous mutations in SLC5A7 encoding the presynaptic sodium-dependent high-affinity choline transporter 1 (CHT), which is known to be mutated in one dominant form of distal motor neuronopathy (DHMN7A)...
September 1, 2016: American Journal of Human Genetics
Antoine Reinhard, François Gorostidi, Crispin Leishman, Philippe Monnier, Kishore Sandu
To review the outcomes of laser supraglottoplasty performed in children with symptomatic laryngomalacia and determine the factors influencing them. We retrospectively reviewed the medical records of patients who underwent laser supraglottoplasty for symptomatic laryngomalacia at the Lausanne University Hospital from November 2001 to November 2014. We examined the patient's demography, symptoms, comorbidities, type of laryngomalacia, synchronous airway lesions, and final outcomes. Seventy-nine patients were included in this study; median age at the time of surgery was 12...
August 13, 2016: European Archives of Oto-rhino-laryngology
George Mihai Bădescu, Mădălina Fîlfan, Raluca Elena Sandu, Roxana Surugiu, Ovidiu Ciobanu, Aurel Popa-Wagner
Neurodevelopmental disorders such as attention deficit hyperactivity disorder and autism represent a significant economic burden, which justify vigorous research to uncover its genetics and developmental clinics for a diagnostic workup. The urgency of addressing attention deficit hyperactivity disorder comorbidities is seen in the chilling fact that attention deficit hyperactivity disorder (ADHD), mood disorders, substance use disorders and obesity each increase the risk for mortality. However, data about comorbidity is mainly descriptive, with mechanistic studies limited to genetic epidemiological studies that document shared genetic risk factors among these conditions...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
L Feigl, T Sluka, L J McGilly, A Crassous, C S Sandu, N Setter
Charged domain walls in ferroelectric materials are of high interest due to their potential use in nanoelectronic devices. While previous approaches have utilized complex scanning probe techniques or frustrative poling here we show the creation of charged domain walls in ferroelectric thin films during simple polarization switching using either a conductive probe tip or patterned top electrodes. We demonstrate that ferroelectric switching is accompanied - without exception - by the appearance of charged domain walls and that these walls can be displaced and erased reliably...
2016: Scientific Reports
Aurica Precupas, Romica Sandu, Vlad T Popa
The effect of quercetin (QUER) binding on bovine serum albumin (BSA) thermal denaturation was systematically investigated by means of differential scanning calorimetry (DSC). Additional information concerning thermodynamic and structural binding parameters was provided by isothermal titration calorimetry (ITC) and molecular docking. The most relevant effect of QUER is manifested in the modification of the two-step thermal fingerprint of protein denaturation. Higher QUER concentrations result in a single-step denaturation thermogram, ascribed to the interplay between specific and nonspecific binding and enhancement of the solvent unfolding action...
September 8, 2016: Journal of Physical Chemistry. B
Athanasios Michos, Alexandra Palili, Emmanouil I Koutouzis, Adina Sandu, Lilia Lykopoulou, Vassiliki P Syriopoulou
We report the use of FilmArray Blood Culture Identification (BCID) multiplex PCR system for pathogen detection from a child with septic arthritis that Streptococcus pyogenes was identified directly from synovial fluid and a child with complicated pneumonia with pleural effusion that Streptococcus pneumoniae was identified from pleural fluid.
2016: IDCases
Alexander Kvasov, Leo J McGilly, Jin Wang, Zhiyong Shi, Cosmin S Sandu, Tomas Sluka, Alexander K Tagantsev, Nava Setter
Enhancement of ferroelectric properties, both spontaneous polarization and Curie temperature under negative pressure had been predicted in the past from first principles and recently confirmed experimentally. In contrast, piezoelectric properties are expected to increase by positive pressure, through polarization rotation. Here we investigate the piezoelectric response of the classical PbTiO3, Pb(Zr,Ti)O3 and BaTiO3 perovskite ferroelectrics under negative pressure from first principles and find significant enhancement...
2016: Nature Communications
Yelena Guryanova, Sandu Popescu, Anthony J Short, Ralph Silva, Paul Skrzypczyk
Recently, there has been much progress in understanding the thermodynamics of quantum systems, even for small individual systems. Most of this work has focused on the standard case where energy is the only conserved quantity. Here we consider a generalization of this work to deal with multiple conserved quantities. Each conserved quantity, which, importantly, need not commute with the rest, can be extracted and stored in its own battery. Unlike the standard case, in which the amount of extractable energy is constrained, here there is no limit on how much of any individual conserved quantity can be extracted...
2016: Nature Communications
Julien Delezie, Stéphanie Dumont, Cristina Sandu, Sophie Reibel, Paul Pevet, Etienne Challet
Foraging is costly in terms of time and energy. An endogenous food-entrainable system allows anticipation of predictable changes of food resources in nature. Yet the molecular mechanism that controls food anticipation in mammals remains elusive. Here we report that deletion of the clock component Rev-erbα impairs food entrainment in mice. Rev-erbα global knockout (GKO) mice subjected to restricted feeding showed reduced elevations of locomotor activity and body temperature prior to mealtime, regardless of the lighting conditions...
2016: Scientific Reports
L A de Trey, K Lambercy, P Monnier, K Sandu
OBJECTIVE: The aim of this study was to investigate respiratory and voice outcomes after open surgery for severe congenital laryngeal web. METHODS: Included were all patients treated for severe congenital glottic web (Cohen type 3 and 4) between 2002 and 2014. Demographic data, symptoms, endoscopic findings, type of operation, outcome and complications were analyzed. Open surgery was performed with division of the web and enlargement of the subglottis by a laryngotracheal reconstruction or an extended partial cricotracheal resection...
July 2016: International Journal of Pediatric Otorhinolaryngology
Yakir Aharonov, Fabrizio Colombo, Sandu Popescu, Irene Sabadini, Daniele C Struppa, Jeff Tollaksen
No abstract text is available yet for this article.
May 31, 2016: Proceedings of the National Academy of Sciences of the United States of America
Ciprian Sandu, Marius Popescu, Emilio Rosales, Elvira Bocos, Marta Pazos, Gabriel Lazar, M Angeles Sanromán
The feasibility of the electrokinetic-Fenton technology coupled with surfactants in the treatment of real historically hydrocarbons polluted soils has been studied. The characterisation of these soils from Spain and Romania was performed and identified as diesel and diesel-motor oil spillages, respectively. Moreover, the ageing of the spillages produced by the soil contamination was estimated showing the historical pollution of the sites (around 11 and 20 years for Romanian and Spanish soils, respectively)...
August 2016: Chemosphere
C A Duţu, A Vlad, C Roda-Neve, I Avram, G Sandu, J-P Raskin, S Melinte
By using coplanar waveguides, direct access to the dielectric properties of aqueous solutions of polystyrene beads with different diameters from 330 nm to 10 μm is provided. The relative variation of the transmission parameter with respect to water is monitored, ranging from [Formula: see text] obtained for a 9.5% solution with 330 nm diameter beads to ∼22% for 10 μm diameter particles at the same concentration. To highlight its applicability in biosensing, the technique was further employed to survey the clustering between biotin and streptavidin-coated beads...
June 3, 2016: Nanotechnology
Hong Liang, Maohua Miao, Jianping Chen, Kanglian Chen, Bin Wu, Qi Dai, Jian Wang, Fei Sun, Huijuan Shi, Wei Yuan
The study aimed to examine the relationships between calcium, magnesium, and calcium/magnesium ratio in semen plasma and sperm quality. It was a cross-sectional study based on a program aiming at promoting the reproductive health in less-developed areas. A total of 515 men aged between 18 and 55 years provided semen specimens at family planning clinics in Sandu County, Guizhou Province, China. Total calcium and magnesium concentrations in semen plasma were measured with flame atomic absorption spectrometry...
April 12, 2016: Biological Trace Element Research
Nora Sandu, Tumul Chowdhury, Bernhard J Schaller
Case reports are an increasing source of evidence in clinical medicine. Until a few years ago, such case reports were emerged into systematic reviews and nowadays they are often fitted to the development of clinical (thinking) models. We describe this modern progress of knowledge creation by the example of the trigeminocardiac reflex that was first described in 1999 by a case series and was developed over the cause-and-effect relationship, triangulation to systematic reviews and finally to thinking models. Therefore, this editorial not only underlines the increasing and outstanding importance of (unique) case reports in current science, but also in current clinical decision-making and therefore also that of specific journals like the Journal of Medical Case Reports...
2016: Journal of Medical Case Reports
François Gorostidi, Antoine Reinhard, Philippe Monnier, Kishore Sandu
OBJECTIVES/HYPOTHESIS: Our study evaluates the efficacy of extraluminal bioresorbable plates to treat refractory localized airway malacia in patients undergoing corrective surgery for complex multilevel laryngotracheal stenosis. STUDY DESIGN: Retrospective case series. METHODS: Secondary malacic airway segments were characterized (severity, site, type) by a dynamic transnasal flexible laryngotracheobronchoscopy before surgery. Extraluminal bioresorbable plates were used to stabilize the malacic segment through a transcervical approach under intraoperative flexible endoscopic guidance...
March 12, 2016: Laryngoscope
Estelle Wagner, Cosmin S Sandu, Scott Harada, Cedric Pellodi, Marc Jobin, Paul Muralt, Giacomo Benvenuti
An innovative deposition system has been developed to construct complex material thin films from single-element precursors by chemical beam vapor deposition (CBVD). It relies on well distributed punctual sources that emit individually controlled precursor beams toward the substrate under high vacuum conditions combined with well designed cryo-panel surfaces that avoid secondary precursor sources. In this configuration the impinging flows of all precursors can be calculated at any substrate point considering the controlled angular distribution of the emitted beams and the ballistic trajectory of the molecules...
March 14, 2016: ACS Combinatorial Science
Kamel Laribi, Delphine Bolle, Habib Ghnaya, Andrea Sandu, Anne Besançon, Nathalie Denizon, Catherine Truong, Fabienne Pineau-Vincent, Alix Baugier de Materre
We evaluated the efficacy and safety of rituximab for the treatment of 23 elderly patients (median age 78 years) with warm autoimmune haemolytic anaemia (AIHA). The median follow-up was 31 months. Patients had received one to five previous treatments. Rituximab was administered by intravenous infusion at a dose of 375 mg/m(2) once weekly for 4 weeks. The OR rate was 86.9 % (CR = 39.1 %, PR = 47.8 %). Median OS was 87 months. The median OS of patients who reached CR could not be calculated, and that of patients with PR was 67 months...
April 2016: Annals of Hematology
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