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https://www.readbyqxmd.com/read/28731746/transference-of-fermi-contour-anisotropy-to-composite-fermions
#1
Insun Jo, K A Villegas Rosales, M A Mueed, L N Pfeiffer, K W West, K W Baldwin, R Winkler, Medini Padmanabhan, M Shayegan
There has been a surge of recent interest in the role of anisotropy in interaction-induced phenomena in two-dimensional (2D) charged carrier systems. A fundamental question is how an anisotropy in the energy-band structure of the carriers at zero magnetic field affects the properties of the interacting particles at high fields, in particular of the composite fermions (CFs) and the fractional quantum Hall states (FQHSs). We demonstrate here tunable anisotropy for holes and hole-flux CFs confined to GaAs quantum wells, via applying in situ in-plane strain and measuring their Fermi wave vector anisotropy through commensurability oscillations...
July 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28731728/brief-report-laboratory-characterization-of-noroviruses-identified-in-specimens-from-military-health-system-beneficiaries-during-an-outbreak-in-germany-2016-2017
#2
Nellie D Darling, Daniela E Poss, Krista M Brooks, Jennifer A Steele, Koya C Allen, Paul Cf Graf, Rodney L Coldren, Daniel B Pederson, Alexander K Kayatani, Stic Harris
No abstract text is available yet for this article.
July 2017: MSMR
https://www.readbyqxmd.com/read/28730885/ataluren-in-cystic-fibrosis-development-clinical-studies-and-where-are-we-now
#3
Noreen Zainal Abidin, Iram J Haq, Aaron I Gardner, Malcolm Brodlie
Cystic fibrosis (CF) is one of the most common genetically-acquired life-limiting conditions worldwide. The underlying defect is dysfunction of the cystic fibrosis transmembrane-conductance regulator (CFTR) which leads to progressive lung disease and other multi-system effects. Around 10% of people with CF have a class I nonsense mutation that leads to production of shortened CFTR due to a premature termination codon (PTC). Areas covered: We discuss the discovery of the small-molecule drug ataluren, which in vitro has been shown to allow read-through of PTCs and facilitate synthesis of full-length protein...
July 21, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28730651/a-comparison-of-the-electrophysiologic-and-electroanatomic-characteristics-between-the-right-and-left-atrium-in-persistent-atrial-fibrillation-is-the-right-atrium-a-window-into-the-left
#4
Sandeep Prabhu, Aleksandr Voskoboinik, Alex Ja McLellan, Kah Y Peck, Bupesh Pathik, Chrishan J Nalliah, Geoff R Wong, Sonia M Azzopardi, Geoffrey Lee, Justin Mariani, Liang-Han Ling, Andrew J Taylor, Jonathan M Kalman, Peter M Kistler
INTRODUCTION: The right atrium (RA) is readily accessible; however, it is unclear whether changes in the RA are representative of the LA. We performed detailed bi-atrial electroanatomic mapping to determine the electrophysiological relationship between the atria. METHODS AND RESULTS: Consecutive patients with persistent AF underwent bi-atrial electroanatomical mapping with a contact force catheter acquiring points with a CF > 10 g prior to ablation. Points were analyzed for tissue voltage, complex electrograms, low voltage (< 0...
July 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28729470/detection-and-monitoring-of-lung-inflammation-in-cystic-fibrosis-during-respiratory-tract-exacerbation-using-diffusion-weighted-magnetic-resonance-imaging
#5
Pierluigi Ciet, Silvia Bertolo, Mirco Ros, Eleni Rosalina Andrinopoulou, Valentina Tavano, Francesca Lucca, Thorsten Feiweier, Gabriel P Krestin, Harm A W M Tiddens, Giovanni Morana
The aim was to investigate whether diffusion-weighted magnetic resonance imaging (DWI) detects and monitors inflammatory and lung function changes during respiratory tract exacerbations (RTE) treatment in patients with cystic fibrosis (CF).29 patients with RTE underwent DWI pre- and post-antibiotic treatment. A control group of 27 stable patients, matched for age and sex, underwent DWI with the same time gap as those undergoing RTE treatment. Clinical status and lung function were assessed at each DWI time point...
July 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28728531/disclosures-of-cystic-fibrosis-related-information-to-romantic-partners
#6
Katie Broekema, Kirsten M Weber
In this article, we offer insights into how individuals with cystic fibrosis (CF) share information about their disease with a romantic partner. Using communication privacy management as a sensitizing theoretical construct, four themes emerged following 13 qualitative interviews with persons with CF. Themes about sharing CF-related information with a romantic partner include weighing the risks and benefits of sharing information, the role of health-related triggered rules, the motivations for disclosures, and the reactions from outsiders...
August 2017: Qualitative Health Research
https://www.readbyqxmd.com/read/28728399/fermentation-quality-and-in-vitro-methane-production-of-sorghum-silage-prepared-with-cellulase-and-lactic-acid-bacteria
#7
Waroon Khota, Suradej Pholsen, David Higgs, Cai Yimin
Objective: The effects of lactic acid bacteria (LAB) and cellulase enzyme on fermentation quality, microorganism population, chemical composition and in vitro gas production of sorghum silages were studied. Methods: Commercial inoculant Lactobacillus plantarum Chikuso 1 (CH), local selected strain L. casei TH 14 and Acremonium cellulase (AC) were used as additives in sorghum silage preparation. Results: Prior to ensiling Sorghum contained 104 LAB and 106 cfu/g fresh matter coliform bacteria...
May 14, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28728128/radionuclide-biokinetics-in-the-russian-sturgeon-and-phylogenetic-consistencies-with-cartilaginous-and-bony-marine-fishes
#8
Ross A Jeffree, Scott J Markich, Francois Oberhaensli, Jean-Louis Teyssie
The biokinetics of eight radionuclides ((241)Am, (109)Cd, (134)Cs, (75)Se, (54)Mn, (110m)Ag, (65)Zn, (60)Co) absorbed from the aquatic medium by juvenile Russian sturgeon (Acipenser gueldenstaedtii) were experimentally determined in fresh (0.42‰) and brackish (9.0‰) waters, of a similar salinity range to the Caspian Sea, and in conjunction with chemical speciation modelling. Uptake and loss rate constants were determined for each radionuclide for a 14 day exposure at each salinity and during 28 days of exposure to radionuclide-free conditions...
July 17, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28728070/feasibility-study-for-wax-deposition-imaging-in-oil-pipelines-by-pgnaa-technique
#9
Can Cheng, Wenbao Jia, Daqian Hei, Zhiyong Wei, Hongtao Wang
Wax deposition in pipelines is a crucial problem in the oil industry. A method based on the prompt gamma-ray neutron activation analysis technique was applied to reconstruct the image of wax deposition in oil pipelines. The 2.223MeV hydrogen capture gamma rays were used to reconstruct the wax deposition image. To validate the method, both MCNP simulation and experiments were performed for wax deposited with a maximum thickness of 20cm. The performance of the method was simulated using the MCNP code. The experiment was conducted with a (252)Cf neutron source and a LaBr3: Ce detector...
July 11, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28727186/telephone-monitoring-and-home-visits-significantly-improved-the-quality-of-life-treatment-adherence-and-lung-function-in-children-with-cystic-fibrosis
#10
Elisavet-Anna Chrysochoou, Elpis Hatziagorou, Fotis Kirvassilis, John Tsanakas
Cystic Fibrosis (CF) is a chronic and systemic disease with a progressive course. As survival rates continue to improve, there is a growing demand for new therapeutic options that improve treatment adherence, disease management and quality of life (QoL) (1). The aim of this study was to evaluate the safety and effectiveness of a home care programme for children with CF and to assess the value of regular telephone contact with the CF team based at Hippokration Hospital, Thessaloniki, Greece. This article is protected by copyright...
July 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28726969/a-fiber-asymmetric-supercapacitor-based-on-feooh-ppy-on-carbon-fibers-as-an-anode-electrode-with-high-volumetric-energy-density-for-wearable-applications
#11
Xuefei Gong, Shaohui Li, Pooi See Lee
Fiber supercapacitors are promising energy storage devices for wearable applications. However, the fiber supercapacitors are currently limited by the mediocre capacitance performances due to the use of typical carbon materials as the anode, sacrificing the volumetric energy density of the whole device. In addition, the inability to undergo washable cycles and poor self-discharge rate prevents the fiber-shaped supercapacitors from being a true energy textile and affects their practicability. Hence, the porous anode electrode FeOOH/PPy@CF has been firstly prepared with a high volumetric capacitance of 30...
July 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28726588/reconstituting-mouse-lungs-with-conditionally-reprogrammed-human-bronchial-epithelial-cells
#12
Ryan LaRanger, Jennifer R Peters-Hall, Melissa Coquelin, Busola R Alabi, Chris Chen, Woodring E Wright, Jerry Shay
We developed methods for conditionally reprogramming (CR) primary human bronchial epithelial cells (HBECs) to extend their functional life span and permit their differentiation into both upper and lower airway lung epithelium. We also developed a bioreactor to support vascular perfusion and rhythmic breathing of decellularized mouse lungs reconstituted with CR HBECs isolated from patients with and without cystic fibrosis (CF). While conditionally reprogrammed cells only differentiate into an upper airway epithelium after 35 days at the air liquid interface, in reconstituted lungs these cells differentiate into upper airway bronchial epithelium and lower airway alveolar structures after 12 days...
July 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28726496/a-preclinical-study-in-rhesus-macaques-for-cystic-fibrosis-to-assess-gene-transfer-and-transduction-by-aav1-and-aav5-with-a-dual-luciferase-reporter-system
#13
William Guggino, Janet Benson, JeanClare Seagrave, Ziying Yan, John F Engelhardt, Guangping Gao, Thomas J Conlon, Liudmila Cebotaru
Cystic fibrosis (CF) is an autosomal recessive disease that is potentially treatable by gene therapy. Since the identification of the gene encoding CFTR, a number of preclinical and clinical trials have been conducted using the first generation of adeno-associated virus, AAV2. All these studies showed that AAV gene therapy for CF is safe, but clinical benefit was not clearly demonstrated. Thus, a new generation of AAV Vectors based on other serotypes is needed to move the field forward. Here we have tested two AAV serotypes (AAV1 and AAV5), using a dual-luciferase reporter system with firefly and Renilla luciferase genes packaged into AAV1 or AAV5, respectively...
July 20, 2017: Human Gene Therapy. Clinical Development
https://www.readbyqxmd.com/read/28723584/the-relationship-between-growth-performance-and-metabolic-rate-flexibility-varies-with-food-availability-in-juvenile-qingbo-spinibarbus-sinensis
#14
Ling-Qing Zeng, Lei Wang, Guang-Nan Wang, Yue Zeng, Shi-Jian Fu
Phenotypic flexibility in traits can allow organisms to cope with environmental challenges. However, the ecological consequences (e.g., growth) of SMR flexibility in fish are poorly understood. Juvenile qingbo (Spinibarbus sinensis) were reared individually with two levels of food resources (satiation or limited) with either continuous feeding (CF) or starvation-refeeding (SR). In the CF experiment, SMR increased when individuals were fed either the satiation or limited diets, but no difference was found in average specific growth rate somatic growth (SGR) between the two food availabilities...
July 16, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28721668/quantitative-analysis-of-s-mutans-lactobacillus-and-bifidobacterium-found-in-initial-and-mature-plaques-in-thai-children-with-early-childhood-caries
#15
K Mitrakul, S Chanvitan, A Jeamset, K Vongsawan
AIMS: To quantify Streptococcus mutans, lactobacillus and bifidobacterium in initial and mature plaque collected from children with severe early childhood caries (S-ECC) and caries-free (CF) groups and to analyse the association between these bacteria and caries-related factors in each group. STUDY DESIGN: A collection of 120 initial and overnight supra-gingival plaques were collected from Thai children aged 2-5 years-old (S-ECC = 60, CF = 60). Plaque, gingival indices and decayed, missing, filled tooth (dmft) scores were recorded...
July 18, 2017: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28721579/survival-of-patients-with-cystic-fibrosis-depending-on-mutation-type-and-nutritional-status
#16
A Szwed, A John, J Goździk-Spychalska, W Czaiński, W Czerniak, J Ratajczak, H Batura-Gabryel
The purpose of the study was to evaluate the influence of nutrition and of the severity of mutation type on survival rate in cystic fibrosis (CF) patients. Data were longitudinally collected from 60 hospitalized adult CF patients, aged 18-50. The variables consisted of body mass index (BMI) ratio, Cole's BMI cut-off points, severity of mutation type, and survival rate of CF patients. We found that the mean BMI was strongly associated with the severity of mutation type and was significantly lower in patients with severe mutations of grade I and II...
July 19, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28721563/terrestrial-adaptation-of-green-algae-klebsormidium-and-zygnema-charophyta-involves-diversity-in-photosynthetic-traits-but-not-in-co2-acquisition
#17
Mattia Pierangelini, David Ryšánek, Ingeborg Lang, Wolfram Adlassnig, Andreas Holzinger
The basal streptophyte Klebsormidium and the advanced Zygnema show adaptation to terrestrialization. Differences are found in photoprotection and resistance to short-term light changes, but not in CO 2 acquisition. Streptophyte green algae colonized land about 450-500 million years ago giving origin to terrestrial plants. We aim to understand how their physiological adaptations are linked to the ecological conditions (light, water and CO2) characterizing modern terrestrial habitats. A new Klebsormidium isolate from a strongly acidic environment of a former copper mine (Schwarzwand, Austria) is investigated, in comparison to Klebsormidium cf...
July 18, 2017: Planta
https://www.readbyqxmd.com/read/28721486/modulatory-effect-of-lycopene-against-carbofuran-toxicity-in-african-catfish-clarias-gariepinus
#18
Heba S Hamed, Alaa G M Osman
In the current study, African catfish, Clarias gariepinus, was exposed to a sublethal concentration of carbofuran (CF) to investigate its negative effects on biochemical and oxidative stress biomarkers. Also, the putative role of lycopene (LYC) administration in alleviating these negative effects was evaluated. Fish were divided into six groups in triplicates as follows: group I was without treatment, group II was orally administered corn oil, group III was orally administered 18 mg LYC/kg body weight, group IV was exposed to 0...
July 18, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28721446/rhamnolipids-enhance-in-vivo-oral-bioavailability-of-poorly-absorbed-molecules
#19
El-Sayed Khafagy, Mona F El-Azab, Mohamed E H ElSayed
PURPOSE: This report describes the effect of rhamnolipids (RLs) on the tight junctions (TJ) of the intestinal epithelium using the rat in-situ closed loop model. METHODS: We investigated the transport of 5 (6)-carboxyfluorescein (CF) and fluorescein isothiocyanate-labeled dextrans with average molecular weights of 4.4 and 10 kDa (FD-4 and FD-10) when co-administered with different concentrations of RLs. Lactate dehydrogenase (LDH) leakage assay and histopathological examination of treated intestinal loops were used to assess potential toxicity of RLs...
July 18, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28721152/clinical-syntax-score-a-good-predictor-for-renal-artery-stenosis-in-acute-myocardial-infarction-patients-analysis-from-the-ren-acs-trial
#20
Alexandru Burlacu, Dimitrie Siriopol, Ionut Nistor, Luminita Voroneanu, Igor Nedelciuc, Cristian Statescu, Adrian Covic
INTRODUCTION: In ST-elevation myocardial infarction (STEMI) patients, multisite artery disease represents a serious issue influencing evolution, outcomes and prognosis. We evaluated for the first time the power of the Myocardial Infarction SYNTAX Score (MI SS) and Clinical SYNTAX Score (MI CSS) as predictors for renal artery stenosis (RAS) in STEMI. We also stratified the study population according to the two scores, and identified the variables correlated with the higher score. MATERIAL AND METHODS: We used data from the REN-ACS study, which included 181 consecutive patients prospectively investigated for presence of RAS (through renal angiography), arterial stiffness (carotid-femoral pulse wave velocity, cf-PWV) and hydration status (bioimpedance)...
June 2017: Archives of Medical Science: AMS
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