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https://www.readbyqxmd.com/read/28533540/recent-changes-in-daily-climate-extremes-in-an-arid-mountain-region-a-case-study-in-northwestern-china-s-qilian-mountains
#1
Pengfei Lin, Zhibin He, Jun Du, Longfei Chen, Xi Zhu, Jing Li
Changes in climate extremes pose far-reaching consequences to ecological processes and hydrologic cycles in alpine ecosystems of the arid mountain regions. Therefore, regional assessments in various climates and mountain regions are needed for understanding the uncertainties of the change trends for extreme climate events. The objective of this study was to assess the spatial distribution and temporal trends of extreme precipitation and temperature events responses to global warming on the arid mountain regions of China...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28530813/enhanced-sampling-of-phase-transitions-in-coarse-grained-lipid-bilayers
#2
David N Stelter, Tom Keyes
Freezing and melting of dipalmitoylphosphatidylcholine (DPPC) bilayers are simulated in both the explicit (Wet) and implicit solvent (Dry) coarse-grained MARTINI force fields with enhanced sampling, via the isobaric, molecular dynamics version of the generalized replica exchange method (gREM). Phase transitions are described with the entropic viewpoint, based upon the statistical temperature as a function of enthalpy, TS(H) = 1/(dS(H)/dH), where S is the configurational entropy. Bilayer thickness, area per lipid, and the second-rank order parameter (P2) are calculated vs temperature in the transition range...
May 22, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28527739/local-people-s-knowledge-with-regard-to-land-use-activities-in-southwest-madagascar-conceptual-insights-for-sustainable-land-management
#3
Nadine V M Fritz-Vietta, H Stone Tahirindraza, Susanne Stoll-Kleemann
Environmental conditions in the Mahafaly Plateau region in southwest Madagascar are harsh, with a long dry season and a short rainy season. The local people's land use capabilities and skills are adapted to these conditions. Nevertheless, they are currently confronted by drastic climatic changes, including longer dry seasons, which have resulted in food and water scarcities. It is therefore essential to ensure sustainable land management in the region. At present, the main land use activities are agriculture, livestock farming, natural resource collection including timber and non-timber forest products, and the practice of local customs...
May 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28522426/polymer-coated-mucoadhesive-liposomes-intended-for-the-management-of-xerostomia
#4
Małgorzata I Adamczak, Ørjan G Martinsen, Gro Smistad, Marianne Hiorth
The aim of this work was to prepare and test different pharmaceutical formulations in respect of their potential in relieving dry mouth symptom. Since many of the products available on the market provide only temporary relief to the patients, there is need for new formulations able to retain on the oral mucosa. The prolonged moisture protection could be achieved by combining mucoadhesive materials, such as polymers containing hydrogen bonding groups, with vesicles capable of releasing hydration medium from the inner compartment...
May 15, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28515875/seasonal-abundance-and-habitat-use-of-bird-species-in-and-around-wondo-genet-forest-south-central-ethiopia
#5
Zerihun Girma, Yosef Mamo, Girma Mengesha, Ashok Verma, Tsyon Asfaw
The habitat use and seasonal migratory pattern of birds in Ethiopia is less explored as compared to diversity studies. To this end, this study aimed at investigating the patterns of distribution related to seasonality and the effect of habitat characteristics (elevation, slope, and average vegetation height) on habitat use of birds of Wondo Genet Forest Patch. A stratified random sampling design was used to assess the avian fauna across the four dominant habitat types found in the study area: natural forest, wooded grassland, grassland, and agroforestry land...
May 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28514339/-increased-oral-fluid-remineraling-function-by-endogenous-and-exogenous-saturation-methods-of-its-mineral-complexes
#6
O G Avraamova, Yu A Ippolitov, Ya A Plotnikova, P V Seredin, D V Goloshapov, E O Aloshina
RELEVANCE: One of the most common problems in modern caries prevention is the development of techniques to increase tooth resistance to the effects of cariogenic factors. Therefore, research is needed to study the chemical composition of tissues like teeth and body fluids surrounding the tooth to prevent demineralization process. The purpose of determining the effectiveness of work- and correlation relationship between endo saturation exogenous methods oral liquid mineral complexes. MATERIAL AND METHODS: In 95 patients analyzed the chemical composition and structure of the oral fluid by IR spectroscopy...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28514245/comparison-of-ocular-lubricant-osmolalities
#7
Etty Bitton, Carolyn Perugino, Stéphanie Charette
PURPOSE: The aim of this study was to evaluate the osmolality of commercially available ocular tear lubricants. METHODS: Thirty-seven (n = 37) ocular lubricants, measured three times each, were evaluated for osmolality using a vapor pressure osmometer (Wescor VAPRO 5520). The osmometer was calibrated before each use, and the order of the lubricants was randomized. Ambient temperature and humidity were monitored for stability. RESULTS: Of the 37 ocular lubricants tested, 35 (94...
May 16, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28513916/global-forest-carbon-uptake-due-to-nitrogen-and-phosphorus-deposition-from-1850-to-2100
#8
Rong Wang, Daniel Goll, Yves Balkanski, Didier Hauglustaine, Olivier Boucher, Philippe Ciais, Ivan Janssens, Josep Penuelas, Bertrand Guenet, Jordi Sardans, Laurent Bopp, Nicolas Vuichard, Feng Zhou, Bengang Li, Shilong Piao, Shushi Peng, Ye Huang, Shu Tao
Spatial patterns and temporal trend of nitrogen (N) and phosphorus (P) deposition are important for quantifying their impact on forest carbon (C) uptake. In a first step, we modeled historical and future change in the global distributions of the atmospheric deposition of N and P from the dry and wet deposition of aerosols and gases containing N and P. Future projections were compared between two scenarios with contrasting aerosol emissions. Modeled fields of N and P deposition and P concentration were evaluated using globally distributed in situ measurements...
May 17, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28511408/estimation-of-total-length-of-femur-from-its-proximal-and-distal-segmental-measurements-of-disarticulated-femur-bones-of-nepalese-population-using-regression-equation-method
#9
Laxman Khanal, Sandip Shah, Sarun Koirala
INTRODUCTION: Length of long bones is taken as an important contributor for estimating one of the four elements of forensic anthropology i.e., stature of the individual. Since physical characteristics of the individual differ among different groups of population, population specific studies are needed for estimating the total length of femur from its segment measurements. AIM: Since femur is not always recovered intact in forensic cases, it was the aim of this study to derive regression equations from measurements of proximal and distal fragments in Nepalese population...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28507199/whole-body-vibration-exercise-combined-with-an-extract-of-coriandrum-sativum-modify-some-biochemical-physiological-parameters-in-rats
#10
Éric Frederico, Andre Cardoso, Carlos Guimarães, Livia Almeida, Rosane de Figueiredo Neves, Danubia Sá-Caputo, Eloá Moreira-Marconi, Carla Dionello, Danielle Morel, Laisa Paineiras-Domingos, Rebeca Costa-Cavalcanti, Cintia Renata Souza Gonçalves, Adriano Arnóbio, Nasser Asad, Mario Bernardo-Filho
The aim of this study was to evaluate the effect of the association of WBV exercise with an aqueous extract of coriander on the biodistribution of the radiopharmaceutical sodium pertechnetate, on the concentration of some plasma biomarker, on the feed intake, on the body mass and on the stool consistency in rats. Rats were divided in four groups and submitted to different treatments for 40 days. The control group (CON) received deionized water. The group treated with coriander (COR) received the extract of coriander...
May 15, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28506101/evaluation-of-personal-inhalable-aerosol-samplers-with-different-filters-for-use-during-anthrax-responses
#11
Sergey A Grinshpun, Angela M Weber, Michael Yermakov, Reshmi Indugula, Yousef Elmashae, Tiina Reponen, Laura Rose
Risk of inhalation exposure to viable Bacillus anthracis (B. anthracis) spores has primarily been assessed using short-term, stationary sampling methods which may not accurately characterize the concentration of inhalable-sized spores reaching a person's breathing zone. While a variety of aerosol sampling methods have been utilized during previous anthrax responses, no consensus has yet been established for personal air sampling. The goal of this study was to determine the best sampler-filter combination(s) for the collection and extraction of B...
May 16, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28503004/factors-controlling-the-evaporation-of-secondary-organic-aerosol-from-%C3%AE-pinene-ozonolysis
#12
Taina Yli-Juuti, Aki Pajunoja, Olli-Pekka Tikkanen, Angela Buchholz, Celia Faiola, Olli Väisänen, Liqing Hao, Eetu Kari, Otso Peräkylä, Olga Garmash, Manabu Shiraiwa, Mikael Ehn, Kari Lehtinen, Annele Virtanen
Secondary organic aerosols (SOA) forms a major fraction of organic aerosols in the atmosphere. Knowledge of SOA properties that affect their dynamics in the atmosphere is needed for improving climate models. By combining experimental and modeling techniques, we investigated the factors controlling SOA evaporation under different humidity conditions. Our experiments support the conclusion of particle phase diffusivity limiting the evaporation under dry conditions. Viscosity of particles at dry conditions was estimated to increase several orders of magnitude during evaporation, up to 10(9) Pa s...
March 16, 2017: Geophysical Research Letters
https://www.readbyqxmd.com/read/28501403/use-of-calcitriol-to-maintain-postpartum-blood-calcium-and-improve-immune-function-in-dairy-cows
#13
A Vieira-Neto, I R P Lima, F Lopes, C Lopera, R Zimpel, L D P Sinedino, K C Jeong, K Galvão, W W Thatcher, C D Nelson, J E P Santos
Our objectives were to determine the effects of an injectable formulation of calcitriol on mineral metabolism and immune function in postpartum Holstein cows that received an acidogenic diet prepartum to minimize hypocalcemia. In experiment 1, cows within 6 h of calving received calcitriol (0, 200, or 300 μg) to determine the dose needed to increase plasma concentrations of Ca; 300 μg was sufficient to sustain Ca for at least 3 d. In experiment 2, multiparous cows were assigned randomly to receive only vehicle (control, n = 25) or 300 μg of calcitriol (n = 25) subcutaneously within the first 6 h after calving...
May 10, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28499370/is-hydroxychloroquine-effective-in-treating-primary-sjogren-s-syndrome-a-systematic-review-and-meta-analysis
#14
Shi-Qin Wang, Li-Wei Zhang, Pan Wei, Hong Hua
BACKGROUND: To systematically review and assess the efficacy and safety of hydroxychloroquine (HCQ) for treating primary Sjogren's syndrome (pSS). METHODS: Five electronic databases (Pubmed, EMBASE, Web of science, Ovid, Cochrane Library) were searched for randomized controlled trials and retrospective or prospective studies published in English that reported the effect of HCQ on pSS. The subjective symptoms (sicca symptoms, fatigue and pain) and the objective indexes (erythrocyte sedimentation rate and Schirmer test) were assessed as main outcome measures...
May 12, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28495246/clonidine-adhesive-patch-for-the-treatment-of-tic-disorders-a-systematic-review-and-meta-analysis
#15
Shuai Wang, Yan-Zhao Wei, Jianhong Yang, Yuming Zhou, Yi Zheng
OBJECTIVE: The aim of this study was to evaluate the efficacy and safety of clonidine adhesive patch for tic disorders (TDs). METHODS: Medline, Embase, Cochrane central register of controlled trials and Chinese databases of CBM, CNKI were searched from inception to 08.2016 for randomized controlled studies (RCTs), open-label control studies of clonidine adhesive patch versus other medications or/and placebo for TDs. The cochrane Handbook for Systematic Reviews of Interventions was used to guide our study...
April 7, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28495052/geographic-variation-in-factors-that-influence-timing-of-moult-and-breeding-in-waterfowl
#16
Mduduzi Ndlovu, Philip A R Hockey, Graeme S Cumming
Waterfowl flight-feather moult is expected to occur when energy is not needed for breeding and when a suitable safe habitat is available. Flight-feather regrowth is an energetically costly stage in the annual cycle of waterfowls. In this study, we tested the hypothesis that moult will coincide with the time of year when food and aquatic habitats are most abundant. We investigated how the timing of rainfall relates to the timing of breeding and flight-feather moult in five common southern African waterfowl at two sites in South Africa with opposite rainfall regimes (one summer, one winter)...
April 23, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28487505/lower-serum-vitamin-d-level-was-associated-with-risk-of-dry-eye-syndrome
#17
Yi-Fang Meng, Jiong Lu, Qian Xing, Jian-Jun Tao, Pan Xiao
BACKGROUND To determine the association between serum 25(OH)D and dry eye syndrome (DES) incidence. This study was also designed to determine whether serum 25(OH)D levels were associated with ocular parameter of DES patients. MATERIAL AND METHODS This is a case-control study with 70 DES cases and 70 healthy controls. Clinical data included body mass index (BMI, kg/m²), smoking history, diabetes, and blood pressure. Serum 25(OH)D was chosen as the main parameter and reflected the level of vitamin D. The DES parameters included ocular surface disease index (OSDI) scales, tear film breakup time (TBUT) and Schirmer test I...
May 10, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28483685/effects-of-low-load-exercise-on-postneedling-induced-pain-after-dry-needling-of-active-trigger-point-in-individuals-with-subacromial-pain-syndrome
#18
Jaime Salom-Moreno, Laura Jiménez-Gómez, Victoria Gómez-Ahufinger, María Palacios-Ceña, José L Arias-Buría, Shane L Koppenhaver, César Fernández-de-Las-Peñas
BACKGROUND: The application of dry needling usually is associated with postneedling-induced pain. A postneedling intervention reduce this adverse event is needed. OBJECTIVE: To determine the effectiveness of low-load exercise on reducing postneedling-induced pain after dry needling of active trigger points (TrPs) in the infraspinatus muscle in subacromial pain syndrome. DESIGN: A 72-hour follow-up, single-blind randomized controlled trial...
May 5, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28480834/the-conjunctiva-associated-lymphoid-tissue-in-chronic-ocular-surface-diseases
#19
Rodolfo Mastropasqua, Luca Agnifili, Vincenzo Fasanella, Mario Nubile, Agbeanda A Gnama, Gennaro Falconio, Paolo Perri, Silvio Di Staso, Cesare Mariotti
Ocular surface diseases (OSDs) represent a widely investigated field of research given their growing incidence and the negative impact on quality of life. During OSDs, cytokines generated by damaged epithelia trigger and deregulate the lymphoid cells composing the eye-associated lymphoid tissues, inducing an immune-mediated chronic inflammation that amplifies and propagates the disease during time. The conjunctiva-associated lymphoid tissue (CALT), given its particular position that permits immune cells covering the cornea, might play a crucial role in the development of OSDs...
May 8, 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28477275/heavy-metal-accumulation-in-organs-of-oreochromis-niloticus-linnaeus-1758-from-industrial-effluent-polluted-aquatic-ecosystem-in-lagos-nigeria
#20
Prince Emeka Ndimele, Musa O Pedro, Julius Ibukun Agboola, Kanayo Stephen Chukwuka, Alice O Ekwu
The concentrations of four heavy metals (Zn, Fe, Cu, and Pb) in water, sediment, and tissues (gill, muscle, brain, and intestine) of Oreochromis niloticus from a segment of the Lagos Lagoon complex were monitored for 10 months (July 2012-April 2013) spanning wet and dry seasons. Three sampling stations were selected: Ologe Lagoon, the nearest to the point where effluent is discharged from Agbara Industrial Estate, the Owo River is upstream before the point of discharge of industrial effluent, and Etegbin is downstream...
June 2017: Environmental Monitoring and Assessment
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