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https://www.readbyqxmd.com/read/29054119/pollinator-independent-orchid-attracts-biotic-pollinators-due-the-production-of-lipoidal-substances
#1
E R Pansarin, P J Bergamo, M J Ferreira-Caliman
● Flowering plants often depend on the attraction of biotic pollinators for sexual reproduction. Consequently, the emergence and maintenance of selected floral attributes related to pollinator attraction and rewarding are driven by pollinators pressures. ● In this paper we explore the effect of pollinators, rainfall, and temperature and air humidity on the reproduction of a Brazilian terrestrial orchid, Cranichis candida based on data of phenology, flower resources, olfactory and visual attraction cues, pollinators and breeding system...
October 20, 2017: Plant Biology
https://www.readbyqxmd.com/read/29054118/efficacy-of-laryngectomy-alone-for-treatment-of-locally-advanced-laryngeal-cancer-a-stage-and-subsite-specific-survival-analysis
#2
Brian P Cervenka, Shyam Rao, D Gregory Farwell, Arnaud F Bewley
OBJECTIVE: Total laryngectomy is a well-established treatment for locally advanced laryngeal cancer. Evidence for the benefit of post-operative radiotherapy after laryngectomy in patients with locally advanced primaries and N0 or N1 nodal disease is limited. This study aims to determine whether total laryngectomy alone is adequate therapy for certain patient subgroups with locally advanced laryngeal cancer. DESIGN: We performed a retrospective survival analysis of patients in the surveillance epidemiology and end results (SEER) database with locally advanced laryngeal cancer between 2004-2012...
October 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29054116/t-cell-epitope-content-comparison-epicc-of-swine-h1-influenza-a-virus-hemagglutinin
#3
Andres H Gutiérrez, Vicki Rapp-Gabrielson, Frances E Terry, Crystal Loving, Leonard Moise, William D Martin, Anne S De Groot
BACKGROUND: Predicting vaccine efficacy against emerging pathogen strains is a significant problem in human and animal vaccine design. T cell epitope cross-conservation may play an important role in cross-strain vaccine efficacy. While influenza A virus (IAV) hemagglutination inhibition (HI) antibody titers are widely used to predict protective efficacy of one IAV vaccine against new strains, no similar correlate of protection has been identified for T cell epitopes. OBJECTIVE: We developed a computational method (EpiCC) that facilitates pairwise comparison of protein sequences based on an immunological property - T cell epitope content - rather than sequence identity, and evaluated its ability to classify swine IAV strain relatedness to estimate cross-protective potential of a vaccine strain for circulating viruses...
October 20, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29054113/post-operative-corticosteroid-irrigation-for-chronic-rhinosinusitis-after-endoscopic-sinus-surgery-a-meta-analysis
#4
Ho Young Yoon, Ho Seok Lee, In Hye Kim, Se Hwan Hwang
BACKGROUND: Recently, topical steroid therapy delivery using high-volume sinonasal irrigations has been used more frequently, following endoscopic sinus surgery (ESS), to improve drug delivery into the paranasal sinuses. OBJECTIVE: The goal of this study was to perform a systematic review with meta-analysis of the efficacy of steroid nasal irrigation on postoperative management of CRS following ESS. METHODS: Five databases (PubMed, SCOPUS, Embase, Web of Science, and the Cochrane database) from inception to March 2017 were independently reviewed by two researchers...
October 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29054112/human-parainfluenza-virus-infection-in-severe-acute-respiratory-infection-cases-in-beijing-2014-2016-a-molecular-epidemiological-study
#5
Yang Pan, Yi Zhang, Shi Weixian, Xiaomin Peng, Shujuan Cui, Daitao Zhang, Guilan Lu, Yimeng Liu, Shuangsheng Wu, Peng Yang, Quanyi Wang
BACKGROUND: Severe Acute Respiratory Infection (SARI) threatens human health and even survival, causing a huge number of hospitalized patients every year. However, as one of the most common respiratory viruses circulated worldwide, the epidemiological and phylogenetic characteristics of human parainfluenza virus (HPIV) in these cases were not well known. METHODS: A molecular epidemiological study against HPIVs infection in SARIs was performed from Sep. 2014 to Aug...
October 20, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29054110/mortality-burden-from-seasonal-influenza-and-2009-h1n1-pandemic-influenza-in-beijing-china-2007-2013
#6
REVIEW
Shuangsheng Wu, Zaihua Wei, Carolyn M Greene, Peng Yang, Jianting Su, Ying Song, A Danielle Iuliano, Quanyi Wang
BACKGROUND: Data about influenza mortality burden in northern China are limited. This study estimated mortality burden in Beijing associated with seasonal influenza from 2007-2013 and the 2009 H1N1 pandemic. METHODS: We estimated influenza-associated excess mortality by fitting a negative binomial model using weekly mortality data as the outcome of interest with the percent of influenza positive samples by type/subtype as predictor variables. RESULTS: From 2007 to 2013, an average of 2,375 (CI 1,002-8,688) deaths was attributed to influenza per season, accounting for 3% of all deaths...
October 20, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29054077/relationship-between-empathic-processing-and-drinking-behavior-in-project-match
#7
Charles S H Robinson, Kathryn Fokas, Katie Witkiewitz
INTRODUCTION: Family relationships, social connectedness and a greater network of supportive others each predict better drinking outcomes among individuals with alcohol use disorder (AUD). The association between social factors and drinking may be related to the ability of individuals to take the perspectives of others' mental and emotional states, defined as empathic processing (EP). As such, it may be the case that EP is associated with social support (SS) and drinking behavior among individuals with AUD, yet few prior studies have attempted to define EP in an AUD sample...
October 3, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/29054074/temperature-dependence-of-bioelectrochemical-co2-conversion-and-methane-production-with-a-mixed-culture-biocathode
#8
Hou-Yun Yang, Bai-Ling Bao, Jing Liu, Yuan Qin, Yi-Ran Wang, Kui-Zu Su, Jun-Cheng Han, Yang Mu
This study evaluated the effect of temperature on methane production by CO2 reduction during microbial electrosynthesis (MES) with a mixed-culture biocathode. Reactor performance, in terms of the amount and rate of methane production, current density, and coulombic efficiency, was compared at different temperatures. The microbial properties of the biocathode at each temperature were also analyzed by 16S rRNA gene sequencing. The results showed that the optimum temperature for methane production from CO2 reduction in MES with a mixed-culture cathode was 50°C, with the highest amount and rate of methane production of 2...
October 2, 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/29054064/continuous-hydrogen-and-methane-production-from-agave-tequilana-bagasse-hydrolysate-by-sequential-process-to-maximize-energy-recovery-efficiency
#9
Virginia Montiel Corona, Elías Razo-Flores
Continuous H2 and CH4 production in a two-stage process to increase energy recovery from agave bagasse enzymatic-hydrolysate was studied. In the first stage, the effect of organic loading rate (OLR) and stirring speed on volumetric hydrogen production rate (VHPR) was evaluated in a continuous stirred tank reactor (CSTR); by controlling the homoacetogenesis with the agitation speed and maintaining an OLR of 44 g COD/L-d, it was possible to reach a VHPR of 6 L H2/L-d, equivalent to 1.34 kJ/g bagasse...
October 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29054060/effect-of-solid-state-fermentation-of-peanut-shell-on-its-dye-adsorption-performance
#10
Jiayang Liu, Zhixin Wang, Hongyan Li, Changwei Hu, Paul Raymer, Qingguo Huang
The effect of solid state fermentation of peanut shell to produce beneficial laccase and on its dye adsorption performance was evaluated. The resulting residues from solid fermentation were tested as sorbents (designated as SFs) in comparison to the raw peanut shell (RPS) for their ability to remove crystal violet from water. The fermentation process reduced the adsorption capacity (qm) of SF by about 50%, and changed the sorptive behavior when compared to the RPS. The Langmuir model was more suitable for fitting adsorption by SFs...
October 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29054055/an-integrated-green-process-subcritical-water-enzymatic-hydrolysis-and-fermentation-for-biohydrogen-production-from-coconut-husk
#11
Maktum Muharja, Fitri Junianti, Dian Ranggina, Tantular Nurtono, Arief Widjaja
The objective of this work is to develop an integrated green process of subcritical water (SCW), enzymatic hydrolysis and fermentation of coconut husk (CCH) to biohydrogen. The maximum sugar yield was obtained at mild severity factor. This was confirmed by the degradation of hemicellulose, cellulose and lignin. The tendency of the changing of sugar yield as a result of increasing severity factor was opposite to the tendency of pH change. It was found that CO2 gave a different tendency of severity factor compared to N2 as the pressurizing gas...
October 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29054052/synthesis-and-binding-affinity-analysis-of-%C3%AE-1-2-and-%C3%AE-1-6-o-s-linked-dimannosides-for-the-elucidation-of-sulfur-in-glycosidic-bonds-using-quartz-crystal-microbalance-sensors
#12
Oscar Norberg, Bin Wu, Niranjan Thota, Jian-Tao Ge, Germain Fauquet, Ann-Kathrin Saur, Teodor Aastrup, Hai Dong, Mingdi Yan, Olof Ramström
The role of sulfur in glycosidic bonds has been evaluated using quartz crystal microbalance methodology. Synthetic routes towards α1-2- and α1-6-linked dimannosides with S- or O-glycosidic bonds have been developed, and the recognition properties assessed in competition binding assays with the cognate lectin concanavalin A. Mannose-presenting QCM sensors were produced using photoinitiated, nitrene-mediated immobilization methods, and the subsequent binding study was performed in an automated flow-through instrumentation, and correlated with data from isothermal titration calorimetry...
October 9, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/29054051/the-incidence-and-risk-factors-of-epilepsy-in-children-born-preterm-a-nationwide-register-study
#13
Mikko Hirvonen, Riitta Ojala, Päivi Korhonen, Paula Haataja, Kai Eriksson, Mika Gissler, Tiina Luukkaala, Outi Tammela
OBJECTIVES: The aim was to compare the incidence of epilepsy between very preterm (VP) (<32(+0) weeks), moderately preterm (MP) (32(+0)-33(+6) weeks), late preterm (LP) (34(+0)-36(+6) weeks) and term infants (≥37 weeks) and to establish and compare risk factors of epilepsy in these groups. METHODS: The national register study included all live born infants in Finland in 1991-2008. Excluding infants with missing gestational age, a total of 1,033,349 infants were included in the analysis and they were analyzed in four subgroups (VP, MP, LP and term) and three time periods (1991-1995, 1996-2001 and 2002-2008)...
October 14, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29054050/thermal-neutron-radiative-capture-on-cadmium-as-a-counting-technique-at-the-ines-beam-line-at-isis-a-preliminary-investigation-of-detector-cross-talk
#14
G Festa, F Grazzi, A Pietropaolo, A Scherillo, E M Schooneveld
Experimental tests are presented that assess the cross-talk level among three scintillation detectors used as neutron counters exploiting the thermal neutron radiative capture on Cd. The measurements were done at the INES diffractometer operating at the ISIS spallation neutron source (Rutherford Appleton Laboratory, UK). These tests follow a preliminary set of measurements performed on the same instrument to study the effectiveness of this thermal neutron counting strategy in neutron diffraction measurements, typically performed on INES using squashed (3)He filled gas tubes...
October 13, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/29054047/application-of-transglycosylated-stevia-and-hesperidin-as-drug-carriers-to-enhance-biopharmaceutical-properties-of-poorly-soluble-artemisinin
#15
Kumaran Letchmanan, Shou-Cang Shen, Wai Kiong Ng, Reginald B H Tan
Biopharmaceutical properties of poorly water-soluble antimalarial drug, Artemisinin (ART), were improved by formulating amorphous solid dispersions with transglycosylated food additives (Hsp-G and Stevia-G) via co-spray drying. Both the formulated ART/Hsp-G and ART/Stevia-G showed superior dissolution properties with a burst release of more than 95% of drug within 5 min, whereas untreated ART dissolved only 4% in 5min. The supersaturation solubility of the formulated ART was enhanced by 2-fold as compared with untreated counterpart...
October 7, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29054045/analysis-of-data-collected-from-right-and-left-limbs-accounting-for-dependence-and-improving-statistical-efficiency-in-musculoskeletal-research
#16
Sarah Stewart, Janet Pearson, Keith Rome, Nicola Dalbeth, Alain C Vandal
OBJECTIVES: Statistical techniques currently used in musculoskeletal research often inefficiently account for paired-limb measurements or the relationship between measurements taken from multiple regions within limbs. This study compared three commonly used analysis methods with a mixed-models approach that appropriately accounted for the association between limbs, regions, and trials and that utilised all information available from repeated trials. METHOD: Four analysis were applied to an existing data set containing plantar pressure data, which was collected for seven masked regions on right and left feet, over three trials, across three participant groups...
October 16, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29054044/metacognitive-deficits-in-categorization-tasks-in-a-population-with-impaired-inner-speech
#17
Peter Langland-Hassan, Christopher Gauker, Michael J Richardson, Aimee Dietz, Frank R Faries
This study examines the relation of language use to a person's ability to perform categorization tasks and to assess their own abilities in those categorization tasks. A silent rhyming task was used to confirm that a group of people with post-stroke aphasia (PWA) had corresponding covert language production (or "inner speech") impairments. The performance of the PWA was then compared to that of age- and education-matched healthy controls on three kinds of categorization tasks and on metacognitive self-assessments of their performance on those tasks...
October 17, 2017: Acta Psychologica
https://www.readbyqxmd.com/read/29054043/systematic-approaches-for-targeting-an-atom-probe-tomography-sample-fabricated-in-a-thin-tem-specimen-correlative-structural-chemical-and-3-d-reconstruction-analyses
#18
Sung-Il Baik, Dieter Isheim, David N Seidman
Atom-probe tomography (APT) is a unique analysis tool that enables true three-dimensional (3-D) analyses with sub-nano scale spatial resolution. Recent implementations of the local-electrode atom-probe (LEAP) tomograph with ultraviolet laser pulsing have significantly expanded the research applications of APT. The small field-of-view of a needle-shaped specimen with a less than 100 nm diam. is, however, a major limitation for analyzing materials. The systematic approaches for site-specific targeting of an APT nanotip in a transmission electron microscope (TEM) of a thin sample are introduced to solve the geometrical limitations of a sharpened APT nanotip...
October 12, 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/29054016/job-burnout-predicts-decline-of-health-related-quality-of-life-among-employees-with-cardiovascular-disease-a-one-year-follow-up-study-in-female-nurses
#19
Min Zhang, Adrian Loerbroks, Jian Li
OBJECTIVE: To examine whether job burnout is associated with health-related quality of life (HRQOL) in employees with cardiovascular disease. METHODS: In this longitudinal study, we included 305 female hospital nurses with cardiovascular disease. Job burnout was measured by the 6-item Copenhagen Burnout Inventory at baseline. We categorized study participants into low, intermediate and high levels of job burnout based on tertiles. HRQOL at baseline and at one-year follow-up was operationalized in terms of the physical and mental functioning summary scores of the short form 8-item health survey (SF-8), which is an abbreviated version of the widely used SF-36 with score ranges of 0-100...
October 17, 2017: General Hospital Psychiatry
https://www.readbyqxmd.com/read/29054008/effect-of-different-types-of-surfactants-on-the-microstructure-of-methyltrimethoxysilane-derived-silica-aerogels-a-combined-experimental-and-computational-approach
#20
João P Vareda, Pedro Maximiano, Luís P Cunha, André F Ferreira, Pedro N Simões, Luísa Durães
HYPOTHESIS: Surfactants interfere with sol-gel particle/pore growth, influencing the structure and properties of silica aerogels. Their ability to induce microscopic changes in the aerogel's structure may be useful to improve/control the thermal insulation performance of aerogels. EXPERIMENTS: The influence of different types of surfactants (anionic, cationic and non-ionic) on the microstructural arrangement and macroscopic properties of methyltrimethoxysilane (MTMS)-based aerogels was evaluated for the first time, using an experimental and computational comparative approach...
October 12, 2017: Journal of Colloid and Interface Science
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