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https://www.readbyqxmd.com/read/28634404/modelled-responses-of-the-kalahari-desert-to-21-st-century-climate-and-land-use-change
#1
Jerome R Mayaud, Richard M Bailey, Giles F S Wiggs
Drylands are home to over 2 billion people globally, many of whom use the land for agricultural and pastoral activities. These vulnerable livelihoods could be disrupted if desert dunefields become more active in response to climate and land use change. Despite increasing knowledge about the role that wind, moisture availability and vegetation cover play in shaping dryland landscapes, relatively little is known about how drylands might respond to climatic and population pressures over the 21(st) century. Here we use a newly developed numerical model, which fully couples vegetation and sediment-transport dynamics, to simulate potential landscape evolution at three locations in the Kalahari Desert, under two future emissions scenarios: stabilising (RCP 4...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630444/modelling-the-effects-of-global-climate-change-on-chikungunya-transmission-in-the-21-st-century
#2
Nils B Tjaden, Jonathan E Suk, Dominik Fischer, Stephanie M Thomas, Carl Beierkuhnlein, Jan C Semenza
The arrival and rapid spread of the mosquito-borne viral disease Chikungunya across the Americas is one of the most significant public health developments of recent years, preceding and mirroring the subsequent spread of Zika. Globalization in trade and travel can lead to the importation of these viruses, but climatic conditions strongly affect the efficiency of transmission in local settings. In order to direct preparedness for future outbreaks, it is necessary to anticipate global regions that could become suitable for Chikungunya transmission...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28625315/cancer-de-l%C3%A2-ovaire-prise-en-charge-pluridisciplinaire-du-cancer-de-l%C3%A2-ovaire-en-premi%C3%A3-re-ligne-recommandations-saint-paul-de-vence-2016
#3
Jean-Marc Classe, Frédéric Guyon, Claire Falandry, Mojgan Devouassoux-Shisheboran, Frédéric Selle, Florence Joly
Recommendations for the clinical practice of Nice-Saint-Paul de Vence The treatment of advanced epithelial ovarian cancer is multidisciplinary involving surgical teams and surgery and medical oncology, experienced in the management of this disease, following published quality criteria. The strategy must be validated in multidisciplinary consultation meeting (RCP) before any treatment. The pre-therapeutic assessment includes the histological diagnosis, evaluation of the tumor extension (biological assessment, markers, imaging, laparoscopy), assessment of the general state (operability), in order to answer the question of feasibility of an initial optimal surgery...
May 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28605611/short-and-long-term-bond-strength-between-resin-cement-and-glass-ceramic-using-a-silane-containing-universal-adhesive
#4
F Murillo-Gómez, F A Rueggeberg, M F De Goes
This study aimed to evaluate the effect of various silane-containing solutions on bonding between resin cement and glass ceramic after 24 hours and after six months of water storage. Glass-ceramic plaques (IPS e.max CAD) were sandblasted with aluminum oxide, etched with 10% hydrofluoric acid (HF), and divided into five "silane treatment" groups: RelyX Ceramic Primer (RCP), RelyX Ceramic Primer and Single Bond Plus (RCP+SB), Scotchbond Universal (SBU), Clearfil Ceramic Primer (CP), and no solution (HF-only control)...
June 12, 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28600824/preparation-of-68ga-mg-ca-phytate-colloid-and-its-evaluation-as-a-liver-imaging-agent
#5
Chris Tsopelas, William Hsieh
The objective of this study was to investigate the radiosynthesis of 68Ga-Mg-Ca-phytate colloid, and then characterise the formulation for radiochemical purity (RCP), radioactive particle size distribution, and biodistribution in normal rats. This radiocolloid was prepared by mixing an aqueous solution of phytic acid, 68Ga3+ ions, a dispersant, Mg2+ and Ca2+ ions, and then heating the contents at 100oC for 5 minutes. After cooling the vial to 5oC, the solution was basified to pH 5 and stored in the cold. The resulting product contained 92±3% RCP 68Ga-colloidal particles and a low level (8±3%) of soluble 68Ga-Mg-Ca-phytate...
June 10, 2017: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28599266/expansion-of-the-lyme-disease-vector-ixodes-scapularis-in-canada-inferred-from-cmip5-climate-projections
#6
(no author information available yet)
BACKGROUND: A number of studies have assessed possible climate change impacts on the Lyme disease vector, Ixodes scapularis. However, most have used surface air temperature from only one climate model simulation and/or one emission scenario, representing only one possible climate future. OBJECTIVES: We quantified effects of different Representative Concentration Pathway (RCP) and climate model outputs on the projected future changes in the basic reproduction number () of I...
May 31, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28592810/historical-and-projected-surface-temperature-over-india-during-the-20-th-and-21-st-century
#7
Ghouse Basha, P Kishore, M Venkat Ratnam, A Jayaraman, Amir Agha Kouchak, Taha B M J Ouarda, Isabella Velicogna
Surface Temperature (ST) over India has increased by ~0.055 K/decade during 1860-2005 and follows the global warming trend. Here, the natural and external forcings (e.g., natural and anthropogenic) responsible for ST variability are studied from Coupled Model Inter-comparison phase 5 (CMIP5) models during the 20(th) century and projections during the 21(st) century along with seasonal variability. Greenhouse Gases (GHG) and Land Use (LU) are the major factors that gave rise to warming during the 20(th) century...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28582484/comparison-of-three-methods-for-measuring-workload-in-surgical-pathology-and-cytopathology
#8
Daniel Cloetingh, Rodney A Schmidt, Christina S Kong
Objectives: Pathologist workload in the United States has traditionally been measured by relative value units (RVUs), which is often criticized for providing an inaccurate estimate of actual work. This study compares three methods for measuring workload. Methods: Surgical pathology and cytopathology workload for 1 representative month at Stanford Health Care was assessed using three different methods: RVUs, Royal College of Pathologists (RCP) point system, and University of Washington-Seattle (UW) slide count method...
June 5, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28570976/assessing-climate-change-impacts-on-fresh-water-resources-of-the-athabasca-river-basin-canada
#9
Narayan Kumar Shrestha, Xinzhong Du, Junye Wang
Proper management of blue and green water resources is important for the sustainability of ecosystems and for the socio-economic development of river basins such as the Athabasca River Basin (ARB) in Canada. For this reason, quantifying climate change impacts on these water resources at a finer temporal and spatial scale is often necessary. In this study, we used a Soil and Water Assessment Tool (SWAT) to assess climate change impacts on fresh water resources, focusing explicitly on the impacts to both blue and green water...
May 29, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28558265/preparation-and-identification-of-her2-radioactive-ligands-and-imaging-study-of-breast-cancer-bearing-nude-mice
#10
Meng-Zhi Zhang, Yan-Xing Guan, Jin-Xiu Zhong, Xue-Zhong Chen
OBJECTIVE: A micro-molecule peptide TP1623 of (99m)Tc-human epithelial growth factor receptor 2 (HER2) was prepared and the feasibility of using it as a HER2-positive molecular imaging agent for breast cancer was evaluated. METHODS: TP1623 was chemically synthesized and labeled with (99m)Tc. The labeling ratio and stability were detected. HER2 expression levels of breast cancer cells (SKBR3 and MDA-MB-231) and cell binding activity were measured. Biodistribution of (99m)TC-TP1623 in normal mice was detected...
May 27, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28538080/formulation-and-characterization-of-lutetium-177-labeled-stannous-tin-colloid-for-radiosynovectomy
#11
Geetanjali Arora, Manoranjan Singh, Pragati Jha, Sarthak Tripathy, Chandrasekhar Bal, Anirban Mukherjee, Shamim A Shamim
OBJECTIVE: Easy large-scale production, easy availability, cost-effectiveness, long half-life, and favorable radiation characteristics have made lutetium-177 (Lu) a preferred radionuclide for use in therapy. Lutetium-177-labeled stannous (Lu-Sn) colloid particles were formulated for application in radiosynovectomy, followed by in-vitro and in-vivo characterization. METHODS: Stannous chloride (SnCl2) solution and Lu were heated together, the pH was adjusted, and the particles were recovered by centrifugation...
May 19, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28535593/simulating-soil-organic-carbon-stock-as-affected-by-land-cover-change-and-climate-change-hyrcanian-forests-northern-iran
#12
Azam Soleimani, Seyed Mohsen Hosseini, Ali Reza Massah Bavani, Mostafa Jafari, Rosa Francaviglia
Soil organic carbon (SOC) contains a considerable portion of the world's terrestrial carbon stock, and is affected by changes in land cover and climate. SOC modeling is a useful approach to assess the impact of land use, land use change and climate change on carbon (C) sequestration. This study aimed to: (i) test the performance of RothC model using data measured from different land covers in Hyrcanian forests (northern Iran); and (ii) predict changes in SOC under different climate change scenarios that may occur in the future...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28533876/-surgical-treatment-of-spinal-bone-metastases
#13
REVIEW
Abderrazzak El Saqui, Mohamed Aggouri, Mohamed Benzagmout, Khalid Chakour, Mohamed El Faiz Chaoui
Surgery for metastatic tumor is usually a palliative surgery, especially for spinal metastases, due to their anatomical localization. Surgical procedure should be accurately established to have simple outcomes and to start adjuvant treatment as soon as clinically possible. Therapeutic strategy should proceed after multidisciplinary consultation meeting (RCP). The main risk of spinal bone metastases is neurological, hence this surgery should be most commonly preventive. Its main objective is to improve patient's quality of life...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28532072/new-bioactive-bone-like-microspheres-with-intrinsic-magnetic-properties-obtained-by-bio-inspired-mineralisation-process
#14
Tatiana Marisa Fernandes Patrício, Silvia Panseri, Monica Sandri, Anna Tampieri, Simone Sprio
A bio-inspired mineralisation process was investigated and applied to develop novel hybrid magnetic materials by heterogeneous nucleation of Fe(2+)/Fe(3+)-doped hydroxyapatite nanocrystals onto a biopolymeric matrix made of a Type I collagen-based recombinant peptide (RCP). The effect of the synthesis temperature on the phase composition, crystallinity and magnetic properties of the nucleated inorganic phase was studied. The as-obtained magnetic materials were then engineered, by using a water-in-oil emulsification process, into hybrid magnetic microspheres, which were stabilized by de-hydrothermal treatment yielding cross-linking of the macromolecular matrix...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28494294/quantifying-the-impact-of-climate-change-on-crop-yield-and-water-footprint-of-rice-in-the-nam-oon-irrigation-project-thailand
#15
Sangam Shrestha, Ranju Chapagain, Mukand S Babel
Northeast Thailand makes a significant contribution to fragrant and high-quality rice consumed within Thailand and exported to other countries. The majority of rice is produced in rainfed conditions while irrigation water is supplied to rice growers in the dry season. This paper quantifies the potential impact of climate change on the water footprint of rice production using the DSSAT (CERES-Rice) crop growth model for the Nam Oon Irrigation Project located in Northeast Thailand. Crop phenology data was obtained from field experiments and used to set up and validate the CERES-Rice model...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28486483/insight-into-runoff-characteristics-using-hydrological-modeling-in-the-data-scarce-southern-tibetan-plateau-past-present-and-future
#16
Mingyong Cai, Shengtian Yang, Changsen Zhao, Qiuwen Zhou, Lipeng Hou
Regional hydrological modeling in ungauged regions has attracted growing attention in water resources research. The southern Tibetan Plateau often suffers from data scarcity in watershed hydrological simulation and water resources assessment. This hinders further research characterizing the water cycle and solving international water resource issues in the area. In this study, a multi-spatial data based Distributed Time-Variant Gain Model (MS-DTVGM) is applied to the Yarlung Zangbo River basin, an important international river basin in the southern Tibetan Plateau with limited meteorological data...
2017: PloS One
https://www.readbyqxmd.com/read/28482572/ice-templating-of-anisotropic-structures-with-high-permeability
#17
Kendell M Pawelec, Huibert A van Boxtel, Sebastiaan G J M Kluijtmans
Nutrient diffusion and cellular infiltration are important factors for tissue engineering scaffolds. Maximizing both, by optimizing permeability and scaffold architecture, is important to achieve functional recovery. The relationship between scaffold permeability and structure was explored in anisotropic scaffolds from a human collagen I based recombinant peptide (RCP). Using ice-templating, scaffold pore size was controlled (80-600μm) via the freezing protocol and solution composition. The transverse pore size, at each location in the scaffold, was related to the freezing front velocity, via a power law, independent of the freezing protocol...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28467334/quality-control-on-radiochemical-purity-in-technetium-99m-radiopharmaceuticals-labelling-three-years-of-experience-on-2280-procedures
#18
Claudio Maioli, Giovanni Luciniani, Aldo Strinchini, Luca Tagliabue, Angelo Del Sole
OBJECTIVE: the purpose of this study was to offer an example of evaluations of the ISO9001 certified internal quality assurance (QA) system of 99mTc-radiopharmaceutical preparations and quality control in vivo use, using industrial kits and generators in order to identify possible sources of errors in the procedures labeling and quality control procedures. METHODS: The study was performed at a single institution over a period of three years (July 1st, 2011 - July 1st, 2014), and included a total of 2280 radiopharmaceutical preparations prepared by four different technologists...
April 28, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28466818/evaluation-of-relationship-between-aerobic-fitness-level-and-range-of-isocapnic-buffering-periods-during-incremental-exercise-test
#19
S Algul, O Ozcelik, B Yilmaz
The purpose of this study is to examine the relationship between the amount of O2 uptake (VO2) in the range of isocapnic buffering (ICB) periods and aerobic fitness levels of subjects with different exercise tolerance levels. A total of 50 young male subjects (20.8±0.4 years) performed an incremental exercise test using a cycle ergometer to determinetheir anaerobic threshold (AT), respiratory compensation point (RCP) and maximal exercise capacity (Wmax). The ICB period is defined as the region between AT and RCP...
March 31, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28465693/social-environmental-and-health-vulnerability-to-climate-change-the-case-of-the-municipalities-of-minas-gerais-brazil
#20
Ana Flávia Quintão, Isabela Brito, Frederico Oliveira, Ana Paula Madureira, Ulisses Confalonieri
Vulnerability to climate change is a complex and dynamic phenomenon involving both social and physical/environmental aspects. It is presented as a method for the quantification of the vulnerability of all municipalities of Minas Gerais, a state in southeastern Brazil. It is based on the aggregation of different kinds of environmental, climatic, social, institutional, and epidemiological variables, to form a composite index. This was named "Index of Human Vulnerability" and was calculated using a software (SisVuClima®) specifically developed for this purpose...
2017: Journal of Environmental and Public Health
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