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https://www.readbyqxmd.com/read/27917587/preparation-of-balanced-trichromatic-white-phosphors-for-solid-state-white-lighting
#1
Sara Al-Waisawy, Anthony F George, Wojciech M Jadwisienczak, Faiz Rahman
High quality white light-emitting diodes (LEDs) employ multi-component phosphor mixtures to generate light of a high color rendering index (CRI). The number of distinct components in a typical phosphor mix usually ranges from two to four. Here we describe a systematic experimental technique for starting with phosphors of known chromatic properties and arriving at their respective proportions for creating a blended phosphor to produce light of the desired chromaticity. This method is applicable to both LED pumped and laser diode (LD) pumped white light sources...
December 5, 2016: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/27915335/network-meta-analysis-of-pharmacological-agents-for-osteoporosis-treatment-and-fracture-prevention
#2
Xu-Cheng Yang, Zhen-Han Deng, Ting Wen, Wei Luo, Wen-Feng Xiao, Rui-Bo Zhao, Yu-Sheng Li
BACKGROUND AND OBJECTIVE: Osteoporosis afflicts a large number of populations in the world and is featured by systemic impairment of bone mass and strength which may further trigger an increase in the risk of fragile fractures. This network meta-analysis (NMA) is designed to distinguish therapies more preferable than others with respect to efficacy and safety. METHODS: We searched the medical literature for relevant studies systematically. Both direct and indirect evidence were synthesized to compare the efficacy, described by odds ratios (OR) and 95% credible intervals (CrI)...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27914853/monitoring-the-fitness-of-antiviral-resistant-influenza-strains-during-an-epidemic-a-mathematical-modelling-study
#3
Kathy Leung, Marc Lipsitch, Kwok Yung Yuen, Joseph T Wu
BACKGROUND: Antivirals (eg, oseltamivir) are important for mitigating influenza epidemics. In 2007, an oseltamivir-resistant influenza seasonal A H1N1 strain emerged and spread to global fixation within 1 year. This event showed that antiviral-resistant (AVR) strains can be intrinsically more transmissible than their contemporaneous antiviral-sensitive (AVS) counterpart. Surveillance of AVR fitness is therefore essential. Our objective was to develop a simple method for estimating AVR fitness from surveillance data...
November 30, 2016: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/27914185/use-of-peers-to-improve-adherence-to-antiretroviral-therapy-a-global-network-meta-analysis
#4
REVIEW
Steve Kanters, Jay Jh Park, Keith Chan, Nathan Ford, Jamie Forrest, Kristian Thorlund, Jean B Nachega, Edward J Mills
INTRODUCTION: It is unclear whether using peers can improve adherence to antiretroviral therapy (ART). To construct the World Health Organization's global guidance on adherence interventions, we conducted a systematic review and network meta-analysis to determine the effectiveness of using peers for achieving adequate adherence and viral suppression. METHODS: We searched for randomized clinical trials of peer-based interventions to promote adherence to ART in HIV populations...
2016: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/27911375/fabrication-of-white-light-emitting-electrochemical-cells-with-stable-emission-from-exciplexes
#5
Soichi Uchida, Daisuke Takizawa, Satoru Ikeda, Hironori Takeuchi, Suzushi Nishimura, Hiroyuki Nishide, Yoshinori Nishikitani
The authors present an approach for fabricating stable white light emission from polymer light-emitting electrochemical cells (PLECs) having an active layer which consists of blue-fluorescent poly(9,9-di-n-dodecylfluorenyl-2,7-diyl) (PFD) and π-conjugated triphenylamine molecules. This white light emission originates from exciplexes formed between PFD and amines in electronically excited states. A device containing PFD, 4,4',4''-tris[2-naphthyl(phenyl)amino]triphenylamine (2-TNATA), Poly(ethylene oxide) and K2CF3SO3 showed white light emission with Commission internationale de l'éclairage (CIE) coordinates of (0...
November 15, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911276/the-mtor-inhibitor-everolimus-in-combination-with-azacitidine-in-patients-with-relapsed-refractory-acute-myeloid-leukemia-a-phase-ib-ii-study
#6
Peter Tan, Ing Soo Tiong, Shaun Fleming, Giovanna Pomilio, Nik Cummings, Mark Droogleever, Julie McManus, Anthony Schwarer, John Catalano, Sushrut Patil, Sharon Avery, Andrew Spencer, Andrew Wei
Therapeutic options are limited in relapsed/refractory acute myeloid leukemia (AML). We evaluated the maximum tolerated dose (MTD) and preliminary efficacy of mammalian target of rapamycin (mTOR) inhibitor, everolimus (days 5-21) in combination with azacitidine 75 mg/m2 subcutaneously (days 1-5 and 8-9 every 28 days) in 40 patients with relapsed (n = 27), primary refractory (n = 11) or elderly patients unfit for intensive chemotherapy (n = 2). MTD was not reached following everolimus dose escalation (2.5, 5 or 10 mg; n = 19) to the 10 mg dose level which was expanded (n = 21)...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27910234/luminal-contents-from-the-gut-of-colicky-infants-induce-visceral-hypersensitivity-in-mice
#7
H Eutamène, C L Garcia-Rodenas, S Yvon, E d'Aldebert, F Foata, B Berger, J Sauser, V Theodorou, G Bergonzelli, E Mas
BACKGROUND: The pathophysiology of infantile colic is poorly understood, though various studies report gut microbiota dysbiosis in colicky infants. We aimed to test the hypothesis that colic-related dysbiosis is associated with visceral hypersensitivity triggered by an altered luminal milieu. METHODS: Fecal samples from seven colicky and seven non-colicky infants were studied. Fecal supernatants (FS) were infused into the colons of C57/Bl6 mice (n=10/specimen). Visceral sensitivity was subsequently assessed in the animals by recording their abdominal muscle response to colorectal distension (CRD) by electromyography (EMG)...
December 1, 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/27903615/urine-proteome-specific-for-eye-damage-can-predict-kidney-damage-in-patients-with-type-2-diabetes-a-case-control-and-a-5-3-year-prospective-cohort-study
#8
Jin-Kui Yang, Ying-Ying Wang, Chang Liu, Ting-Ting Shi, Jing Lu, Xi Cao, Fang-Yuan Yang, Jian-Ping Feng, Chen Chen, Li-Nong Ji, Aimin Xu
OBJECTIVE: The predictive value of microalbuminuria (MAU) for kidney damage is limited in type 2 diabetes (T2D). We studied whether a urine proteome specific for sight-threatening proliferative diabetic retinopathy (PDR) is an indicator to predict chronic renal insufficiency (CRI) in patients with T2D. RESEARCH DESIGN AND METHODS: A shotgun urine proteomic analysis was performed in patients with MAU and PDR (case subjects) and in patients with MAU and a duration of T2D for >10 years but with without any degree of retinopathy (control subjects)...
November 30, 2016: Diabetes Care
https://www.readbyqxmd.com/read/27895906/respiratory-distress-associated-with-heterotopic-gastrointestinal-cysts-of-the-oral-cavity-a-case-report
#9
Marco Antonio Méndez Sáenz, Mario de Jesús Villegas González, Marco A Ponce Camacho, Lucia M Cavazos Cavazos, Bárbara Sáenz Ibarra, Blanca I Esquivel García, José Luis Treviño González
Heterotopic gastrointestinal cysts of the oral cavity are benign lesions usually discovered during infancy. Their pathogenesis is not very clear. They are rare congenital anomalies that result from remnants of foregut-derived epithelium in the head, neck, thorax or abdomen during embryonic development. The majority of these lesions occur in the anterior ventral surface of the tongue and extend to the floor of the mouth. They are confused clinically by surgeons in cases of head and neck masses in children as ranulas, dermoid and thyroglossal cysts, and lymphangioma...
December 2016: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/27884462/dual-neural-network-model-for-the-evolution-of-speech-and-language
#10
REVIEW
Steffen R Hage, Andreas Nieder
Explaining the evolution of speech and language poses one of the biggest challenges in biology. We propose a dual network model that posits a volitional articulatory motor network (VAMN) originating in the prefrontal cortex (PFC; including Broca's area) that cognitively controls vocal output of a phylogenetically conserved primary vocal motor network (PVMN) situated in subcortical structures. By comparing the connections between these two systems in human and nonhuman primate brains, we identify crucial biological preadaptations in monkeys for the emergence of a language system in humans...
November 21, 2016: Trends in Neurosciences
https://www.readbyqxmd.com/read/27882723/an-in-depth-understanding-of-biomass-recalcitrance-using-natural-poplar-variants-as-the-feedstock
#11
Xianzhi Meng, YUnqiao Pu, Chang Geun Yoo, Mi Li, Garima Bali, Doh-Yeon Park, Erica Gjersing, Mark Davis, Muchero Wellington, Gerald Tuskan, Timothy Tschaplinski, Arthur Jonas Ragauskas
In an effort to better understand and overcome biomass recalcitrance, six natural poplar variants were selected as the feedstock. Compositional analysis and physicochemical characterizations of these poplars were performed using different analytical techniques and the correlations between these physicochemical properties and enzymatic hydrolysis yield were investigated. Gel permeation chromatography (GPC) and 13C NMR were used to determine the degree of polymerization (DP) and crystallinity index (CrI) of cellulose, and the results along with the sugar release study indicated that cellulose DP likely played a more important role in enzymatic hydrolysis...
November 23, 2016: ChemSusChem
https://www.readbyqxmd.com/read/27878840/challenging-behaviours-in-adults-with-an-intellectual-disability-a-total-population-study-and-exploration-of-risk-indices
#12
Darren L Bowring, Vasiliki Totsika, Richard P Hastings, Sandy Toogood, Gemma M Griffith
OBJECTIVES: Considerable variation has been reported in the prevalence and correlates of challenging behaviour (CB) in adults with intellectual disabilities (ID). To provide a robust estimate of prevalence, we identified the entire administrative population of adults with ID in a defined geographical area and used a behaviour assessment tool with good psychometric properties. METHODS: Data from 265 adults who were known to services were collected using a demographic survey tool and the Behavior Problems Inventory - Short Form...
November 23, 2016: British Journal of Clinical Psychology
https://www.readbyqxmd.com/read/27876075/chlorhexidine-bathing-and-health-care-associated-infections-among-adult-intensive-care-patients-a-systematic-review-and-meta-analysis
#13
Steven A Frost, Mari-Cris Alogso, Lauren Metcalfe, Joan M Lynch, Leanne Hunt, Ritesh Sanghavi, Evan Alexandrou, Kenneth M Hillman
BACKGROUND: Health care-associated infections (HAI) have been shown to increase length of stay, the cost of care, and rates of hospital deaths (Kaye and Marchaim, J Am Geriatr Soc 62(2):306-11, 2014; Roberts and Scott, Med Care 48(11):1026-35, 2010; Warren and Quadir, Crit Care Med 34(8):2084-9, 2006; Zimlichman and Henderson, JAMA Intern Med 173(22):2039-46, 2013). Importantly, infections acquired during a hospital stay have been shown to be preventable (Loveday and Wilson, J Hosp Infect 86:S1-70, 2014)...
November 23, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27873562/validation-of-the-maslach-burnout-inventory-general-survey-on-a-representative-sample-of-dominican-teachers-normative-data
#14
José M Tomás, Saturnino de Los Santos, Alicia Alonso-Andres, Irene Fernández
Burnout is characterized by emotional exhaustion, depersonalization and lack of personal accomplishment (Bakke, Demerouti, & Sanz-Vergel, 2014). Several instruments for its measurement exist, but the most widely used scale for measuring its dimensions, by far, is the Maslach Burnout Inventory (MBI) in its different versions. Among the available versions of the scale, the MBI-General Survey was developed to measure three dimensions of burnout (cynicism, personal accomplishment, and emotional exhaustion) regardless of the type of work...
November 22, 2016: Spanish Journal of Psychology
https://www.readbyqxmd.com/read/27863996/interventions-to-improve-adherence-to-antiretroviral-therapy-a-systematic-review-and-network-meta-analysis
#15
Steve Kanters, Jay J H Park, Keith Chan, Maria Eugenia Socias, Nathan Ford, Jamie I Forrest, Kristian Thorlund, Jean B Nachega, Edward J Mills
BACKGROUND: High adherence to antiretroviral therapy is crucial to the success of HIV treatment. We evaluated comparative effectiveness of adherence interventions with the aim of informing the WHO's global guidance on interventions to increase adherence. METHODS: For this systematic review and network meta-analysis, we searched for randomised controlled trials of interventions that aimed to improve adherence to antiretroviral therapy regimens in populations with HIV...
November 15, 2016: Lancet HIV
https://www.readbyqxmd.com/read/27862801/long-term-mortality-following-acute-myocardial-infarction-among-those-with-and-without-diabetes-a-systematic-review-and-meta-analysis-of-studies-in-the-post-reperfusion-era
#16
Nitin N Gholap, Felix A Achana, Melanie J Davies, Kausik K Ray, Laura Gray, Kamlesh Khunti
AIMS: Considerable medical advances have seen an improved survival following an acute myocardial infarction (AMI), whether these benefits extend to those with diabetes remains less clear. This systematic review and meta-analysis aim to provide robust estimates of the association between diabetes and long-term mortality (≥one year) following AMI. MATERIAL AND METHODS: Medline, Embase and Web of Science databases were searched (January 1985 - July 2016) for terms related to long-term mortality, diabetes and AMI...
November 12, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/27859829/phosphorescent-pt-ii-and-pd-ii-complexes-for-efficient-high-color-quality-and-stable-oleds
#17
Tyler Fleetham, Guijie Li, Jian Li
Phosphorescent organic light-emitting diodes (OLEDs) are leading candidates for next-generation displays and solid-state lighting technologies. Much of the academic and commercial pursuits in phosphorescent OLEDs have been dominated by Ir(III) complexes. Over the past decade recent developments have enabled square planar Pt(II) and Pd(II) complexes to meet or exceed the performance of Ir complexes in many aspects. In particular, the development of N-heterocyclic carbene-based emitters and tetradentate cyclometalated Pt and Pd complexes have significantly improved the emission efficiency and reduced their radiative lifetimes making them competitive with the best reported Ir complexes...
November 18, 2016: Advanced Materials
https://www.readbyqxmd.com/read/27855242/biologic-or-tofacitinib-monotherapy-for-rheumatoid-arthritis-in-people-with-traditional-disease-modifying-anti-rheumatic-drug-dmard-failure-a-cochrane-systematic-review-and-network-meta-analysis-nma
#18
REVIEW
Jasvinder A Singh, Alomgir Hossain, Elizabeth Tanjong Ghogomu, Amy S Mudano, Peter Tugwell, George A Wells
BACKGROUND: We performed a systematic review, a standard meta-analysis and network meta-analysis (NMA), which updates the 2009 Cochrane Overview, 'Biologics for rheumatoid arthritis (RA)'. This review is focused on biologic monotherapy in people with RA in whom treatment with traditional disease-modifying anti-rheumatic drugs (DMARDs) including methotrexate (MTX) had failed (MTX/other DMARD-experienced). OBJECTIVES: To assess the benefits and harms of biologic monotherapy (includes anti-tumor necrosis factor (TNF) (adalimumab, certolizumab pegol, etanercept, golimumab, infliximab) or non-TNF (abatacept, anakinra, rituximab, tocilizumab)) or tofacitinib monotherapy (oral small molecule) versus comparator (placebo or MTX/other DMARDs) in adults with RA who were MTX/other DMARD-experienced...
November 17, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27854442/a-mirror-mechanism-for-smiling-in-the-anterior-cingulate-cortex
#19
Fausto Caruana, Pietro Avanzini, Francesca Gozzo, Veronica Pelliccia, Giuseppe Casaceli, Giacomo Rizzolatti
It was recently proposed that the neural substrate mediating smile production might play a key role also in the recognition of others' smile. This hypothesis, however, has been challenged by difficulties in eliciting ecological smiling in standard laboratory settings. Here we report of a case where these difficulties were overcome by combining electrical stimulation and intracranial electroencephalogram recording in a patient with drug-resistant focal epilepsy. The stimulation of the pregenual anterior cingulate cortex (pACC) elicited a smiling facial expression...
November 17, 2016: Emotion
https://www.readbyqxmd.com/read/27853034/evaluation-of-dyslipidemia-lipid-ratios-and-atherogenic-index-as-cardiovascular-risk-factors-among-semi-urban-dwellers-in-nigeria
#20
Michael Adeyemi Olamoyegun, Rotimi Oluyombo, Stephen Olabode Asaolu
BACKGROUND AND OBJECTIVES: The increasing frequency of cardiovascular disease (CVD) rests on the presence of major cardiovascular risk factors including dyslipidemia. This dyslipidemia is also a target for the prevention and treatment of many cardiovascular diseases. Hence, identification of individuals at risk of CVD is needed for early identification and prevention. The study was carried out to evaluate dyslipidemia using the lipid ratios and indices instead of just the conventional lipid profile...
October 2016: Annals of African Medicine
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