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https://www.readbyqxmd.com/read/28323421/assessment-of-the-secondary-copper-reserves-of-nations
#1
Kyaw Nyunt Maung, Seiji Hashimoto, Mizuki Mizukami, Masataka Morozumi, Cherry Myo Lwin
The sustainable use of metals demands consideration not only of primary metals in the natural environment but also of secondary metals in society as alternative resources. This study applied our proposed classification framework of secondary resources to copper (1) to investigate the applicability of the framework and (2) to assess the secondary copper reserves and resources of selected countries. To estimate secondary copper reserves, we introduced the variable "secondary reserve ratio": the fraction of in-use copper stocks that is technically and economically recoverable...
March 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28319194/genome-wide-analysis-of-brain-and-gonad-transcripts-reveals-changes-of-key-sex-reversal-related-genes-expression-and-signaling-pathways-in-three-stages-of-monopterus-albus
#2
Wei Chi, Yu Gao, Qing Hu, Wei Guo, Dapeng Li
BACKGROUND: The natural sex reversal severely affects the sex ratio and thus decreases the productivity of the rice field eel (Monopterus albus). How to understand and manipulate this process is one of the major issues for the rice field eel stocking. So far the genomics and transcriptomics data available for this species are still scarce. Here we provide a comprehensive study of transcriptomes of brain and gonad tissue in three sex stages (female, intersex and male) from the rice field eel to investigate changes in transcriptional level during the sex reversal process...
2017: PloS One
https://www.readbyqxmd.com/read/28319164/modeling-the-potential-impact-on-the-us-blood-supply-of-transfusing-critically-ill-patients-with-fresher-stored-red-blood-cells
#3
Arianna Simonetti, Hussein Ezzeldin, Mikhail Menis, Stephen McKean, Hector Izurieta, Steven A Anderson, Richard A Forshee
BACKGROUND: Although some studies have suggested that transfusion recipients may have better medical outcomes if transfused with red blood cell units stored for a short time, the overall body of evidence shows mixed results. It is important to understand how using fresher stored red blood cell units for certain patient groups may affect blood availability. METHODS: Based on the Stock-and-Flow simulation model of the US blood supply developed by Simonetti et al. 2014, we evaluated a newly implemented allocation method of preferentially transfusing fresher stored red blood cell units to a subset of high-risk group of critically ill patients and its potential impact on supply...
2017: PloS One
https://www.readbyqxmd.com/read/28318455/airway-management-in-disaster-response-a-manikin-study-comparing-direct-and-video-laryngoscopy-for-endotracheal-intubation-by-prehospital-providers-in-level-c-personal-protective-equipment
#4
Sami Yousif, Jason T Machan, Yasser Alaska, Selim Suner
Introduction Airway management is one of many challenges that medical providers face in disaster response operations. The use of personal protective equipment (PPE), in particular, was found to be associated with higher failure rates and a prolonged time to achieve airway control. Hypothesis/Problem The objective of this study was to determine whether video laryngoscopy could facilitate the performance of endotracheal intubation by disaster responders wearing Level C PPE. METHODS: In this prospective, randomized, crossover study, a convenience sample of practicing prehospital providers were recruited...
March 20, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28318450/repeated-sprints-in-fasted-state-impair-reaction-time-performance
#5
Anissa Cherif, Romain Meeusen, Abdulaziz Farooq, Walid Briki, Mohamed Amine Fenneni, Karim Chamari, Bart Roelands
OBJECTIVE: The aim of this study was to assess the effects of 3-day Islamic intermittent fasting (3d-IF) on cognitive performance and serum levels of neurotrophic factors (brain-derived neurotrophic factor [BDNF] and vascular endothelial growth factor [VEGF]) before and after repeated sprints. METHODS: Twenty-one physically active male Muslims (29.8 ± 5.9 years, exercising 4 ± 1.5 times/week) were randomly assigned to one of 2 experimental sessions: the control or nonfasting session (CS) or the fasting session (FS)...
March 20, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28316988/bioengineered-plants-can-be-a-useful-source-of-omega-3-fatty-acids
#6
REVIEW
Waleed Amjad Khan, Hu Chun-Mei, Nadeem Khan, Amjad Iqbal, Shan-Wu Lyu, Farooq Shah
Omega-3 fatty acids have proven to be very essential for human health due to their multiple health benefits. These essential fatty acids (EFAs) need to be uptaken through diet because they are unable to be produced by the human body. These are important for skin and hair growth as well as for proper visual, neural, and reproductive functions of the body. These fatty acids are proven to be extremely vital for normal tissue development during pregnancy and infancy. Omega-3 fatty acids can be obtained mainly from two dietary sources: marine and plant oils...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28316961/acute-delayed-or-late-infection-of-revision-total-hip-arthroplasty-treated-with-debridement-antibiotic-loaded-cement-beads-and-retention-of-the-prosthesis
#7
Jun-Dong Chang, In-Sung Kim, Sang-Soo Lee, Je-Hyun Yoo
PURPOSE: The treatment of infected revision total hip arthroplasty (THA) is very challenging due to retained revision prosthesis, poor bone stock and soft tissue condition derived from previous revision surgeries, and comorbidities. The purpose of this study was to investigate the effectiveness and short-term outcomes of aggressive debridement and use of antibiotic-loaded cement beads with retention of the prosthesis for acute delayed or late infection of revision THAs. MATERIALS AND METHODS: Ten consecutive patients with symptoms or signs of less than one-week evolution and well-fixed prostheses, were treated with this procedure and a postoperative course of organism-specific antibiotics for a minimum of 6 weeks...
March 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28316381/in-vitro-evaluation-of-antifilarial-effect-of-azadirachta-indica-leaves-extract-in-different-solvents-on-the-microfilariae-of-setaria-cervi
#8
Sharba Kausar
Polar solvent extracts of Azadirachta indica leaves were investigated to evaluate in vitro anthelmintic activity on the microfilariae of Setaria cervi. Four extracts of A. indica leaves were prepared with different solvents in increasing order of polarity (diethyl ether < chloroform < ethanol < methanol). Stock solution of the extract of A. indica leaves was prepared in Ringer's solution at the concentrations of 50, 100 and 200 μg/ml and used against microfilariae in three replicates. Ringer's solution was used as experimental control...
March 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28315926/dissection-of-a-major-qtl-qhir1-conferring-maternal-haploid-induction-ability-in-maize
#9
Sudha K Nair, Willem Molenaar, Albrecht E Melchinger, Prasanna M Boddupalli, Leocadio Martinez, Luis Antonio Lopez, Vijay Chaikam
Among the qhir11 and qhir12 sub-regions of a major QTL qhir1, only qhir11 has significant effect on maternal haploid induction, segregation distortion and kernel abortion. In vivo haploid induction in maize can be triggered in high frequencies by pollination with special genetic stocks called haploid inducers. Several genetic studies with segregating populations from non-inducer x inducer crosses identified a major QTL, qhir1, on chromosome 1.04 contributing to in vivo haploid induction. A recent Genome Wide Association Study using 51 inducers and 1482 non-inducers also identified two sub-regions within the qhir1 QTL region, named qhir11 and qhir12; qhir12 was proposed to be mandatory for haploid induction because the haplotype of qhir11 was also present in some non-inducers and putative candidate genes coding for DNA and amino acid binding proteins were identified in the qhir12 region...
March 18, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28315900/measuring-infant-and-young-child-complementary-feeding-practices-indicators-current-practice-and-research-gaps
#10
Marie T Ruel
The publication of the WHO Infant and Young Child Feeding (IYCF) indicators in 2008 equipped the nutrition and broader development community with an invaluable tool for measuring, documenting, and advocating for faster progress in improving these practices in low- and middle-income countries (LMICs). The indicators, with 5 of them focusing on complementary feeding (CF) practices, were originally designed for population level assessment, targeting, monitoring, and evaluation. This chapter takes stock of where we are with the existing CF indicators: it reviews how the indicators have been used, what we have learned, and what their strengths and limitations are, and it suggests a way forward...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28314980/ex-post-assessment-of-genetically-modified-low-level-presence-in-canadian-flax
#11
Helen M Booker, Eric G Lamb, Stuart J Smyth
Canada is the world's largest producer and exporter of flaxseed. In 2009, DNA from deregistered genetically modified (GM) CDC Triffid was detected in a shipment of Canadian flaxseed exported to Europe, causing a large decrease in the amount of flax planted in Canada and a major shift in export markets. The flax industry in Canada undertook major changes to ensure the removal of transgenic flax from the supply chain. To demonstrate compliance, Canada adopted a protocol involving testing grain samples (post-harvest) using an RT-PCR test for the construct found in CDC Triffid...
March 17, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28306747/hypothermic-stunning-of-green-sea-turtles-in-a-western-gulf-of-mexico-foraging-habitat
#12
Donna J Shaver, Philippe E Tissot, Mary M Streich, Jennifer Shelby Walker, Cynthia Rubio, Anthony F Amos, Jeffrey A George, Michelle R Pasawicz
Texas waters provide one of the most important developmental and foraging habitats for juvenile green turtles (Chelonia mydas) in the western Gulf of Mexico, but hypothermic stunning is a significant threat and was the largest cause of green turtle strandings in Texas from 1980 through 2015; of the 8,107 green turtles found stranded, 4,529 (55.9%) were victims of hypothermic stunning. Additionally, during this time, 203 hypothermic stunned green turtles were found incidentally captured due to power plant water intake entrapment...
2017: PloS One
https://www.readbyqxmd.com/read/28306135/how-common-are-pulmonary-and-hepatic-adverse-effects-in-older-adults-prescribed-nitrofurantoin
#13
Karin Claussen, Edward Stocks, Deepa Bhat, Jason Fish, Craig D Rubin
OBJECTIVES: To determine the frequency of serious pulmonary and hepatic adverse events (AEs) in persons aged 65 and older prescribed nitrofurantoin. DESIGN: Retrospective electronic health record (EHR) audit of nitrofurantoin prescriptions and associated AEs. SETTING: Urban academic medical center. PARTICIPANTS: All inpatients and outpatients aged 65 and older prescribed nitrofurantoin from January 1, 2010, to December 31, 2014...
March 17, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28304162/rational-design-synthesis-and-biological-evaluation-of-heterocyclic-quinolones-targeting-the-respiratory-chain-of-mycobacterium-tuberculosis
#14
Weiqian David Hong, Peter D Gibbons, Suet C Leung, Richard Amewu, Paul A Stocks, Andrew Valentine Stachulski, Pedro C Horta, Maria Lurdes Santos Cristiano, Alison E Shone, Darren Moss, Alison Ardrey, Raman Sharma, Ashley J Warman, Paul T P Bedingfield, Nicholas E Fisher, Ghaith Aljayyoussi, Sally Mead, Maxine Caws, Neil G Berry, Stephen A Ward, Giancarlo A Biagini, Paul M O'Neill, Gemma Louise Nixon
A High-throughput screen (HTS) was undertaken against the respiratory chain dehydrogenase component, NADH:menaquinone oxidoreductase (Ndh) of Mycobacterium tuberculosis (Mtb). 11,000 compounds were selected for the HTS based on the known phenothiazine Ndh inhibitors, trifluoperazine and thioridazine. Combined HTS (11,000 compounds) and in-house screening of a limited number of quinolones (50 compounds) identified ~100 hits and four distinct chemotypes, the most promising of which contained the quinolone core...
March 17, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28302820/stocking-oncology-s-medicine-cabinet
#15
Paula A Kiberstis, John Travis
No abstract text is available yet for this article.
March 17, 2017: Science
https://www.readbyqxmd.com/read/28302578/effects-of-carbon-sources-and-plant-protein-levels-in-a-biofloc-system-on-growth-performance-and-the-immune-and-antioxidant-status-of-nile-tilapia-oreochromis-niloticus
#16
Abdallah Tageldien Mansour, Maria Ángeles Esteban
The efficacy of different biofloc treatments (BFTs) to compensate for a reduction in dietary protein level under zero-water exchange systems was studied during a 10 weeks experiment, assessing the effect on water quality, growth, immune and antioxidant status of Nile tilapia (Oreochromis niloticus) fingerlings. Six groups were established and fed the same plant-based feed containing 20 or 30% crude protein: two groups in clear water conditions with no added carbon source, two biofloc groups given a wheat milling by-product (WMB) as additional carbon source and two biofloc groups given rice bran (RB)...
March 14, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28302438/antipsychotic-use-and-hospitalization-among-older-assisted-living-residents-does-risk-vary-by-frailty-status
#17
Kathryn J Stock, David B Hogan, Kate Lapane, Joseph E Amuah, Suzanne L Tyas, Susan E Bronskill, Andrew M Morris, Chaim M Bell, Lianne Jeffs, Colleen J Maxwell
OBJECTIVE: To examine associations between baseline frailty measures, antipsychotic use, and hospitalization over 1 year and whether hospitalization risk associated with antipsychotic use varies by frailty level. METHODS: In this prospective cohort study of 1,066 residents (mean age: 85 years; 77% women) from the Alberta Continuing Care Epidemiological Studies, trained research nurses conducted comprehensive resident assessments at baseline (2006-2007) for sociodemographic characteristics, health conditions, frailty status, behavioral problems, and all medications consumed during the past 3 days...
February 16, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28301932/the-degradation-of-fluorotelomer-based-polymers-contributes-to-the-global-occurrence-of-fluorotelomer-alcohol-and-perfluoroalkyl-carboxylates-a-combined-dynamic-substance-flow-and-environmental-fate-modelling-analysis
#18
Li Li, Jianguo Liu, Jianxin Hu, Frank Wania
Using coupled dynamic substance flow and environmental fate models, CiP-CAFE and BETR-Global, we investigated whether degradation of side-chain fluorotelomer-based polymers (FTPs), mostly in waste stocks (i.e., landfills and dumps), serves as a long-term source of fluorotelomer alcohols (FTOHs) and perfluoroalkyl carboxylates (PFCAs) to the global environment. The modelling results indicate that, in the wake of the worldwide transition from long-chain to short-chain products, in-use stocks of C8 FTPs will peak and decline afterwards while the in-use stocks of C6 FTPs and waste stocks of both FTPs will generally grow...
March 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28301629/antidote-availability-in-the-municipality-of-campinas-s%C3%A3-o-paulo-brazil
#19
Luciane Cristina Rodrigues Fernandes, Taís Freire Galvão, Adriana Safioti Toledo Ricardi, Eduardo Mello De Capitani, Stephen Hyslop, Fábio Bucaretchi
CONTEXT AND OBJECTIVE: The lack of availability of antidotes in emergency services is a worldwide concern. The aim of the present study was to evaluate the availability of antidotes used for treating poisoning in Campinas (SP). DESIGN AND SETTING: This was a cross-sectional study of emergency services in Campinas, conducted in 2010-2012. METHODS: The availability, amount in stock, place of storage and access time for 26 antidotal treatments was investigated...
March 13, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28301506/measuring-complexity-in-brazilian-economic-crises
#20
Letícia P D Mortoza, José R C Piqueira
Capital flows are responsible for a strong influence on the foreign exchange rates and stock prices macroeconomic parameters. In volatile economies, capital flows can change due to several types of social, political and economic events, provoking oscillations on these parameters, which are recognized as economic crises. This work aims to investigate how these two macroeconomic variables are related with crisis events by using the traditional complex measures due to Lopez-Mancini-Calbet (LMC) and to Shiner-Davison-Landsberg (SDL), that can be applied to any temporal series...
2017: PloS One
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