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https://www.readbyqxmd.com/read/28214443/photodegradation-and-sorption-govern-tetracycline-removal-during-wastewater-treatment-in-algal-ponds
#1
Zane N Norvill, Alma Toledo-Cervantes, Saul Blanco, Andy Shilton, Benoit Guieysse, Raul Muñoz
The degradation of the antibiotic tetracycline, supplied at 100µgL(-1) in domestic wastewater, was studied in an outdoor, pilot scale, high rate algal pond (HRAP). Effective operation was demonstrated with the biomass concentration and the chemical oxygen demand removal efficiency averaging 1.2±0.1gTSSL(-1) and 80±4%, respectively, across all operational periods. Tetracycline removal exceeded 93% and 99% when the HRAP was operated at hydraulic retention times of 4 and 7days, respectively. Batch tests and pulse testing during HRAP operation repeatedly evidenced the significance of photodegradation as a removal mechanism...
February 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28214123/a-tool-for-cost-effectiveness-analysis-of-field-scale-sediment-bound-phosphorus-mitigation-measures-and-application-to-analysis-of-spatial-and-temporal-targeting-in-the-lunan-water-catchment-scotland
#2
Andy Vinten, James Sample, Adekunle Ibiyemi, Yakubu Abdul-Salam, Marc Stutter
The cost-effectiveness of six edge-of-field measures for mitigating diffuse pollution from sediment bound phosphorus (P) runoff from temperate arable farmland is analysed at catchment/field scales. These measures were: buffer strips, permanent grassland in the lowest 7% of arable fields, dry detention bunds, wetlands, and temporary barriers such as sediment fences. Baseline field P export was estimated using export coefficients (low risk crops) or a modified Universal Soil Loss Equation (high risk crops). The impact of measures was estimated using simple equations...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28214115/warm-summers-and-moderate-winter-precipitation-boost-rhododendron-ferrugineum-l-growth-in-the-taillefer-massif-french-alps
#3
L Francon, C Corona, E Roussel, J Lopez Saez, M Stoffel
Rhododendron ferrugineum L. is a widespread dwarf shrub species growing in high-elevation, alpine environments of the Western European Alps. For this reason, analysis of its growth rings offers unique opportunities to push current dendrochronological networks into extreme environments and way beyond the treeline. Given that different species of the same genus have been successfully used in tree-ring investigations, notably in the Himalayas where Rhododendron spp. has proven to be a reliable climate proxy, this study aims at (i) evaluating the dendroclimatological potential of R...
February 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28214111/remediation-of-contaminated-lands-in-the-niger-delta-nigeria-prospects-and-challenges
#4
REVIEW
Nenibarini Zabbey, Kabari Sam, Adaugo Trinitas Onyebuchi
Contamination of the total environment (air, soil, water and biota) by crude oil has become a paramount interest in the Niger Delta region of Nigeria. Studies have revealed variable impacts of oil toxicity on the environment and exposed populations. The revelation gained much international attention in 2011 with the release of Environmental Assessment of Ogoniland report by the United Nations Environment Programme (UNEP). This has up scaled local and international pressures for urgent clean-up and restoration of degraded bio-resource rich environments of the Niger Delta, starting from Ogoniland...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28213724/mobile-phone-use-and-risk-of-brain-tumours-a-systematic-review-of-association-between-study-quality-source-of-funding-and-research-outcomes
#5
Manya Prasad, Prachi Kathuria, Pallavi Nair, Amit Kumar, Kameshwar Prasad
Mobile phones emit electromagnetic radiations that are classified as possibly carcinogenic to humans. Evidence for increased risk for brain tumours accumulated in parallel by epidemiologic investigations remains controversial. This paper aims to investigate whether methodological quality of studies and source of funding can explain the variation in results. PubMed and Cochrane CENTRAL searches were conducted from 1966 to December 2016, which was supplemented with relevant articles identified in the references...
February 17, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28213499/geometry-and-network-connectivity-govern-the-mechanics-of-stress-fibers
#6
Elena Kassianidou, Christoph A Brand, Ulrich S Schwarz, Sanjay Kumar
Actomyosin stress fibers (SFs) play key roles in driving polarized motility and generating traction forces, yet little is known about how tension borne by an individual SF is governed by SF geometry and its connectivity to other cytoskeletal elements. We now address this question by combining single-cell micropatterning with subcellular laser ablation to probe the mechanics of single, geometrically defined SFs. The retraction length of geometrically isolated SFs after cutting depends strongly on SF length, demonstrating that longer SFs dissipate more energy upon incision...
February 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28213435/genetics-of-synucleinopathies
#7
Robert L Nussbaum
Parkinson's disease (PD), diffuse Lewy body disease (DLBD), and multiple system atrophy (MSA) constitute the three major neurodegenerative disorders referred to as synucleinopathies because both genetic and pathological results implicate the α-synuclein protein in their pathogenesis. PD and DLBD are recognized as closely related diseases with substantial clinical and pathological overlap. MSA, on the other hand, has a distinctive clinical presentation and neuropathological profile. In this review, we will summarize the evidence linking α-synuclein to these three disorders...
February 17, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28213392/disease-campaigns-and-the-decline-of-treatment-advocacy
#8
Rachel Kahn Best
In the past fifty years, disease advocacy organizations have multiplied and gained political influence, but they have often been reluctant to ask the government to intervene in health care provision. This article asks why. Using original quantitative and qualitative data on the goals and political claims of over one thousand organizations from 1960 through 2014, I find that many early disease advocacy organizations prioritized health care access. But unfavorable political climates discouraged new organizations from focusing on access to treatment...
February 17, 2017: Journal of Health Politics, Policy and Law
https://www.readbyqxmd.com/read/28213114/hierarchical-control-of-procedural-and-declarative-category-learning-systems
#9
Benjamin O Turner, Matthew J Crossley, F Gregory Ashby
Substantial evidence suggests that human category learning is governed by the interaction of multiple qualitatively distinct neural systems. In this view, procedural memory is used to learn stimulus-response associations, and declarative memory is used to apply explicit rules and test hypotheses about category membership. However, much less is known about the interaction between these systems: how is control passed between systems as they interact to influence motor resources? Here, we used fMRI to elucidate the neural correlates of switching between procedural and declarative categorization systems...
February 14, 2017: NeuroImage
https://www.readbyqxmd.com/read/28212865/casein-kinase-2-interacting-protein-1-regulates-m1-and-m2-inflammatory-macrophage-polarization
#10
Yuhan Chen, Wen Liu, Yiwu Wang, Luo Zhang, Jun Wei, Xueli Zhang, Fuchu He, Lingqiang Zhang
The importance of macrophage plasticity, albeit being discovered recently, has been highlighted in a broad spectrum of biological processes operative in physiological and pathological environments. Macrophage polarized activation and inactivation has profound effects on immune and inflammatory responses with several major pathways being elucidated in the past few years. However, transcriptional regulation mechanisms governing macrophage polarization is still preliminary. In this study, we identify the Casein Kinase 2 Interacting Protein 1 (CKIP-1) as a molecular toggle manipulating macrophage speciation...
February 14, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28212685/factors-that-influence-children-s-gambling-attitudes-and-consumption-intentions-lessons-for-gambling-harm-prevention-research-policies-and-advocacy-strategies
#11
Hannah Pitt, Samantha L Thomas, Amy Bestman, Mike Daube, Jeffrey Derevensky
BACKGROUND: Harmful gambling is a public health issue that affects not only adults but also children. With the development of a range of new gambling products, and the marketing for these products, children are potentially exposed to gambling more than ever before. While there have been many calls to develop strategies which protect children from harmful gambling products, very little is known about the factors that may influence children's attitudes towards these products. This study aimed to explore children's gambling attitudes and consumption intentions and the range of consumer socialisation factors that may influence these attitudes and behaviours...
February 17, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28212657/pharmacists-views-and-reported-practices-in-relation-to-a-new-generic-drug-substitution-policy-in-lebanon-a-mixed-methods-study
#12
Fadi El-Jardali, Racha Fadlallah, Rami Z Morsi, Nour Hemadi, Mounir Al-Gibbawi, Magda Haj, Suzan Khalil, Youssef Saklawi, Diana Jamal, Elie A Akl
BACKGROUND: Governments in both developed and developing countries have adopted generic drug substitution policies to decrease pharmaceutical expenditures and improve access to medicine. In August 2015, the Ministry of Public Health (MOPH) in Lebanon introduced generic drug substitution and a unified medical prescription form as policy instruments to promote generic drug use. The objective of this exploratory study was to examine the attitudes of community pharmacists and the reported practices in relation to the implementation of the new generic drug substitution policy...
February 17, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/28212653/coordination-between-primary-and-secondary-care-the-role-of-electronic-messages-and-economic-incentives
#13
Antonella La Rocca, Thomas Hoholm
BACKGROUND: In Norway, a government reform has recently been introduced to enhance coordination between primary and secondary care. This paper examines the effects of two newly introduced measures to improve the coordination: an ICT-based communication tool/standard and an economic incentive scheme. METHOD: This qualitative study is based primarily on 27 open-ended interviews. We interviewed nine employees at a hospital (the focal actor), 17 employees from seven different municipalities, and a representative of a Regional Health Authority...
February 17, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28212642/beyond-cultural-stereotyping-views-on-end-of-life-decision-making-among-religious-and-secular-persons-in-the-usa-germany-and-israel
#14
Mark Schweda, Silke Schicktanz, Aviad Raz, Anita Silvers
BACKGROUND: End-of-life decision making constitutes a major challenge for bioethical deliberation and political governance in modern democracies: On the one hand, it touches upon fundamental convictions about life, death, and the human condition. On the other, it is deeply rooted in religious traditions and historical experiences and thus shows great socio-cultural diversity. The bioethical discussion of such cultural issues oscillates between liberal individualism and cultural stereotyping...
February 17, 2017: BMC Medical Ethics
https://www.readbyqxmd.com/read/28212573/dynamic-variations-in-epithelial-to-mesenchymal-transition-emt-atm-and-slfn11-govern-response-to-parp-inhibitors-and-cisplatin-in-small-cell-lung-cancer
#15
C Allison Stewart, Pan Tong, Robert J Cardnell, Triparna Sen, Lerong Li, Carl M Gay, Fatemah Masrorpour, You Fan, Rasha O Bara, Ying Feng, Yuanbin Ru, Junya Fujimoto, Samrat T Kundu, Leonard E Post, Karen Yu, Yuqiao Shen, Bonnie S Glisson, Ignatio Wistuba, John V Heymach, Don L Gibbons, Jing Wang, Lauren Averett Byers
Small cell lung cancer (SCLC) is one of the most aggressive forms of cancer, with a 5-year survival <7%. A major barrier to progress is the absence of predictive biomarkers for chemotherapy and novel targeted agents such as PARP inhibitors. Using a high-throughput, integrated proteomic, transcriptomic, and genomic analysis of SCLC patient-derived xenografts (PDXs) and profiled cell lines, we identified biomarkers of drug sensitivity and determined their prevalence in patient tumors. In contrast to breast and ovarian cancer, PARP inhibitor response was not associated with mutations in homologous recombination (HR) genes (e...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212520/adp-ribosyl-cyclases-cd38-cd157-social-skills-and-friendship
#16
Anne Chong, Fabio Malavasi, Salomon Israel, Chiea Chuen Khor, Von Bing Yap, Mikhail Monakhov, Soo Hong Chew, Poh San Lai, Richard P Ebstein
Why some individuals seek social engagement while others shy away has profound implications for normal and pathological human behavior. Evidence suggests that oxytocin (OT), the paramount human social hormone, and CD38 that governs OT release, contribute to individual differences in social skills from intense social involvement to extreme avoidance that characterize autism. To explore the neurochemical underpinnings of sociality, CD38 expression of peripheral blood leukocytes (PBL) was measured in Han Chinese undergraduates...
January 16, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28212425/job-satisfaction-and-determinant-factors-among-midwives-working-at-health-facilities-in-addis-ababa-city-ethiopia
#17
Eyasu Tamru Bekru, Amsale Cherie, Antehun Alemayehu Anjulo
BACKGROUND: Midwives are the primary source of care and support for mothers and newborns at the most vulnerable time in their lives.The Ethiopian National Reproductive Health Strategy targeted reduction of Maternal Mortality rate to 267/100,000 live births in the years 2006-2015. Midwives play a crucial role in the care of pregnant women, from the first antenatal visit right through to the delivery and the postpartum period. METHODOLOGY: Institution based cross-sectional study was carried out from March 2015 to April 2015 in Addis Ababa city, Ethiopia to assess job satisfaction and its determinants among midwives working at government health facilities...
2017: PloS One
https://www.readbyqxmd.com/read/28212377/optimality-principles-reveal-a-complex-interplay-of-intermediate-toxicity-and-kinetic-efficiency-in-the-regulation-of-prokaryotic-metabolism
#18
Jan Ewald, Martin Bartl, Thomas Dandekar, Christoph Kaleta
A precise and rapid adjustment of fluxes through metabolic pathways is crucial for organisms to prevail in changing environmental conditions. Based on this reasoning, many guiding principles that govern the evolution of metabolic networks and their regulation have been uncovered. To this end, methods from dynamic optimization are ideally suited since they allow to uncover optimality principles behind the regulation of metabolic networks. We used dynamic optimization to investigate the influence of toxic intermediates in connection with the efficiency of enzymes on the regulation of a linear metabolic pathway...
February 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28212309/the-association-of-knowledge-and-behaviours-related-to-salt-with-24-h-urinary-salt-excretion-in-a-population-from-north-and-south-india
#19
Claire Johnson, Sailesh Mohan, Kris Rogers, Roopa Shivashankar, Sudhir Raj Thout, Priti Gupta, Feng J He, Graham A MacGregor, Jacqui Webster, Anand Krishnan, Pallab K Maulik, K Srinath Reddy, Dorairaj Prabhakaran, Bruce Neal
Consumer knowledge is understood to play a role in managing risk factors associated with cardiovascular disease and may be influenced by level of education. The association between population knowledge, behaviours and actual salt consumption was explored overall, and for more-educated compared to less-educated individuals. A cross-sectional survey was done in an age-and sex-stratified random sample of 1395 participants from urban and rural areas of North and South India. A single 24-h urine sample, participants' physical measurements and questionnaire data were collected...
February 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28212277/clinical-and-molecular-evidence-of-abcc11-protein-expression-in-axillary-apocrine-glands-of-patients-with-axillary-osmidrosis
#20
Yu Toyoda, Tappei Takada, Tsuneaki Gomi, Hiroshi Nakagawa, Toshihisa Ishikawa, Hiroshi Suzuki
Accumulating evidence suggests that the risk of axillary osmidrosis is governed by a non-synonymous single nucleotide polymorphism (SNP) 538G>A in human ATP-binding cassette C11 (ABCC11) gene. However, little data are available for the expression of ABCC11 protein in human axillary apocrine glands that produce apocrine sweat-a source of odor from the armpits. To determine the effect of the non-synonymous SNP ABCC11 538G>A (G180R) on the ABCC11 in vivo, we generated transiently ABCC11-expressing transgenic mice with adenovirus vector, and examined the protein levels of each ABCC11 in the mice with immunoblotting using an anti-ABCC11 antibody we have generated in the present study...
February 15, 2017: International Journal of Molecular Sciences
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