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https://www.readbyqxmd.com/read/28215046/genome-resolved-metagenomics-of-a-bioremediation-system-for-degradation-of-thiocyanate-in-mine-water-containing-suspended-solid-tailings
#1
Sumayah F Rahman, Rose S Kantor, Robert Huddy, Brian C Thomas, Andries W van Zyl, Susan T L Harrison, Jillian F Banfield
Thiocyanate (SCN(-) ) is a toxic compound that forms when cyanide (CN(-) ), used to recover gold, reacts with sulfur species. SCN(-) -degrading microbial communities have been studied, using bioreactors fed synthetic wastewater. The inclusion of suspended solids in the form of mineral tailings, during the development of the acclimatized microbial consortium, led to the selection of an active planktonic microbial community. Preliminary analysis of the community composition revealed reduced microbial diversity relative to the laboratory-based reactors operated without suspended solids...
February 19, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28214918/first-record-of-three-african-trichodinids-ciliophora-peritrichida-in-cultured-nile-tilapia-oreochromis-niloticus-in-saudi-arabia-with-re-evaluation-of-their-host-specificity
#2
Abdel-Azeem Sh Abdel-Baki, Ali Al Ghamdi, Saleh Al-Quraishy
Saudi Arabia has a developing aquaculture industry that farms primarily tilapia. Although trichodinids are presumably the most usually encountered protozoan parasites in these cultured fish, they have rarely been studied in this context, and there is no data on the species that might infect cultured tilapia in Saudi Arabia. The present study was therefore carried out as a general survey to investigate the occurrence and identify the species of trichodinids that can infect cultured tilapia (Oreochromis niloticus) in Saudi Arabia...
February 18, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28214916/facial-expression-an-under-utilised-tool-for-the-assessment-of-welfare-in-mammals
#3
Kris A Descovich, Jennifer Wathan, Matthew C Leach, Hannah M Buchanan-Smith, Paul Flecknell, David Farningham, Sarah-Jane Vick
Animal welfare is a key issue for industries that use or impact upon animals. The accurate identification of welfare states is particularly relevant to the field of bioscience, where the 3Rs framework encourages refinement of experimental procedures involving animal models. The assessment and improvement of welfare states in animals is reliant on reliable and valid measurement tools. Behavioural measures (activity, attention, posture and vocalisation) are frequently used because they are immediate and non-invasive, however no single indicator can yield a complete picture of the internal state of an animal...
February 8, 2017: ALTEX
https://www.readbyqxmd.com/read/28214915/evaluation-of-the-gard-assay-in-a-blind-cosmetics-europe-study
#4
Henrik Johansson, Robin Gradin, Andy Forreryd, Maria Agemark, Kathrin Zeller, Angelica Johansson, Olivia Larne, Erwin van Vliet, Carl Borrebaeck, Malin Lindstedt
Chemical hypersensitivity is an immunological response towards foreign substances, commonly referred to as sensitizers, which gives rise primarily to the clinical symptoms known as allergic contact dermatitis. For the purpose of mitigating risks associated with consumer products, chemicals are screened for sensitizing effects. Historically, such predictive screenings have been performed using animal models. However, due to industrial and regulatory demand, animal models for the purpose of sensitization assessment are being replaced by animal-free testing methods, a global trend that is spreading across industries and market segments...
February 17, 2017: ALTEX
https://www.readbyqxmd.com/read/28214724/where-biomedicalisation-and-magic-meet-therapeutic-innovations-of-elite-sports-injury-in-british-professional-football-and-cycling
#5
Alex Faulkner, Michael McNamee, Catherine Coveney, Jonathan Gabe
Injury is a conspicuous feature of the practice and public spectacle of contemporary elite sports. The paper argues that the 'biomedicalisation' thesis (medico-industrial nexus, techno-scientific drivers, medical optimisation, biologisation, the rise of evidence and health surveillance) goes some way to capturing the use in elite sports injury of some highly specialised mainstream therapies and some highly maverick biological therapies, which are described. Nevertheless, these main strands of biomedicalisation do not capture the full range of these phenomena in the contexts of sports medicine and athletes' practices in accessing innovative, controversial therapies...
February 9, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28214720/treatment-efficiency-and-economic-feasibility-of-biological-oxidation-membrane-filtration-and-separation-processes-and-advanced-oxidation-for-the-purification-and-valorization-of-olive-mill-wastewater
#6
L Ioannou-Ttofa, I Michael-Kordatou, S C Fattas, A Eusebio, B Ribeiro, M Rusan, A R B Amer, S Zuraiqi, M Waismand, C Linder, Z Wiesman, J Gilron, D Fatta-Kassinos
Olive mill wastewater (OMW) is a major waste stream resulting from numerous operations that occur during the production stages of olive oil. The resulting effluent contains various organic and inorganic contaminants and its environmental impact can be notable. The present work aims at investigating the efficiency of (i) jet-loop reactor with ultrafiltration (UF) membrane system (Jacto.MBR), (ii) solar photo-Fenton oxidation after coagulation/flocculation pre-treatment and (iii) integrated membrane filtration processes (i...
February 12, 2017: Water Research
https://www.readbyqxmd.com/read/28214649/evaluation-of-dioxins-and-dioxin-like-compounds-from-a-cement-plant-using-carbide-slag-from-chlor-alkali-industry-as-the-major-raw-material
#7
Yuyang Zhao, Jiayu Zhan, Guorui Liu, Minghui Zheng, Rong Jin, Lili Yang, Liwei Hao, Xiaolin Wu, Xian Zhang, Pu Wang
Carbide slag produced from chlor-alkali industry contains high amounts of calcium compounds and can potentially be used as raw material for cement production; however, it contains large amounts of chlorine so it is essential to evaluate the emissions of chlorinated organic pollutants, including polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), polychlorinated biphenyls (PCBs), and polychlorinated naphthalenes (PCNs). A field study of the emission profiles of these pollutants in a cement plant using such slag was performed...
February 14, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28214594/association-between-light-at-night-melatonin-secretion-sleep-deprivation-and-the-internal-clock-health-impacts-and-mechanisms-of-circadian-disruption
#8
REVIEW
Yvan Touitou, Alain Reinberg, David Touitou
Exposure to Artificial Light At Night (ALAN) results in a disruption of the circadian system, which is deleterious to health. In industrialized countries, 75% of the total workforce is estimated to have been involved in shift work and night work. Epidemiologic studies, mainly of nurses, have revealed an association between sustained night work and a 50-100% higher incidence of breast cancer.The potential and multifactorial mechanisms of the effects include the suppression of melatonin secretion by ALAN, sleep deprivation, and circadian disruption...
February 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28214589/enhanced-expression-and-purification-of-camelid-single-domain-vhh-antibodies-from-classical-inclusion-bodies
#9
Maristella Maggi, Claudia Scotti
Single domain antibodies (sdAbs) are small antigen-binding domains derived from naturally occurring, heavy chain-only immunoglobulins isolated from camelid and sharks. They maintain the same binding capability of full-length IgGs but with improved thermal stability and permeability, which justifies their scientific, medical and industrial interest. Several described recombinant forms of sdAbs have been produced in different hosts and with different strategies. Here we present an optimized method for a time-saving, high yield production and extraction of a poly-histidine-tagged sdAb from Escherichia coli classical inclusion bodies...
February 15, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28214229/-iso%C3%A2-9001%C3%A2-certification-of-innovation-and-clinical-research-departments-extending-the-scope-of-health-assessment
#10
C Sambou, S Guillemaut, M Morelle, A Achache, A-G Le Corroller, D Perol, L Perrier
BACKGROUND: The International organization for standardization (ISO) is the world leader in providing industrial and commercial standards and certifications. Beyond medical devices, four French clinical research and innovation departments have received an ISO 9001 certification (the standard for quality management). Simultaneously, medico-economic studies have become increasingly important in the public decision process. Using the clinical research and innovation department from the Léon-Bérard Cancer Center as an example, the purpose of this article is to show how the scope of the ISO 9001 certification has been extended to cover medico-economic studies...
February 14, 2017: Revue D'épidémiologie et de Santé Publique
https://www.readbyqxmd.com/read/28214134/intensification-of-heterogeneously-catalyzed-suzuki-miyaura-cross-coupling-reaction-using-ultrasound-understanding-effect-of-operating-parameters
#11
Sonam V Sancheti, Parag R Gogate
Palladium-catalyzed Suzuki-Miyaura cross-coupling reaction is a significant reaction for obtaining industrially important products. The current research work deals with intensification of reaction of 4-bromoanisole and phenylboronic acid catalyzed with 5wt% Pd/C (5% by weight Pd supported on C available as commercial catalyst) using ultrasound and more importantly, without use of any additional phase transfer catalyst. Heterogeneous catalyst has been selected in the present work so as to harness the benefits of easy separation and the possible limitations of heterogeneous operation are minimized by introducing ultrasonic irradiations...
January 27, 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28214112/communicating-airport-noise-emission-data-to-the-general-public
#12
REVIEW
Luis Gasco, Cesar Asensio, Guillermo de Arcas
Despite the efforts that the aviation industry has undertaken during the last few decades, noise annoyance remains high, partly because of the continuous transport demands of modern societies and partly because of changes in citizen expectations and their growing environmental concerns. Although modern aircraft are considerably quieter than their predecessors, the number of complaints has not decreased as much as expected. Therefore, the aeronautical sector has tried more sociological and/or psychological strategies to gain acceptance through awareness and community engagement...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28214111/remediation-of-contaminated-lands-in-the-niger-delta-nigeria-prospects-and-challenges
#13
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/28213833/molecular-imaging-in-synthetic-biology-and-synthetic-biology-in-molecular-imaging
#14
REVIEW
Assaf A Gilad, Mikhail G Shapiro
Biomedical synthetic biology is an emerging field in which cells are engineered at the genetic level to carry out novel functions with relevance to biomedical and industrial applications. This approach promises new treatments, imaging tools, and diagnostics for diseases ranging from gastrointestinal inflammatory syndromes to cancer, diabetes, and neurodegeneration. As these cellular technologies undergo pre-clinical and clinical development, it is becoming essential to monitor their location and function in vivo, necessitating appropriate molecular imaging strategies, and therefore, we have created an interest group within the World Molecular Imaging Society focusing on synthetic biology and reporter gene technologies...
February 17, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
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
#15
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/28213715/the-influence-of-sc-doping-on-structural-electronic-and-optical-properties-of-be12o12-mg12o12-and-ca12o12-nanocages-a-dft-study
#16
Masoomeh Omidi, Hamid Reza Shamlouei, Motahareh Noormohammadbeigi
Density functional theory (DFT) calculations were used to study the effect of scandium doping on the structural, energetic, electronic, linear and nonlinear optical (NLO) properties of Be12O12, Mg12O12 and Ca12O12 nanoclusters. Scandium (Sc) doping on nanoclusters leads to narrowing of their E g, which enhances their conductance greatly. Also, the polarizability (α) and first hyperpolarizability (β0) of nanoclusters were dramatically increased as Be, Mg or Ca atoms are substituted with a Sc atom. Among all clusters, α and β0 values for Sc-doped Ca12O12 were the largest...
March 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28213708/removal-mechanisms-for-extremely-high-level-fluoroquinolone-antibiotics-in-pharmaceutical-wastewater-treatment-plants
#17
Xinyan Guo, Zheng Yan, Yi Zhang, Xiangji Kong, Deyang Kong, Zhengjun Shan, Na Wang
Pharmaceutical wastewater treatment plants (PWWTPs) receive industrial effluents from the plant that contain extremely high levels of antibiotics and are regarded as one of the major sources of antibiotics in the environment. Two PWWTPs have been selected in Zhejiang Province, China, to assess the removal mechanisms of fluoroquinolone antibiotics (FQs). PWWTP A uses activated sludge with biocarriers in a moving bed biofilm reactor in anoxic and aerobic units, and PWWTP B uses biological units under anaerobic, aerobic, and anoxic conditions...
February 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28213661/biotransformation-of-rutin-using-crude-enzyme-from-rhodopseudomonas-palustris
#18
Chun-Jie Guan, Yu-Jia Ji, Jia-Lin Hu, Chao-Nan Hu, Fei Yang, Guan-E Yang
Rhodopseudomonas palustris was selected for the ability to grow in diglycosylated flavonoids-based media, exhibited deglycosylation activity. The present study aimed to investigate the ability of a crude enzyme from Rhodopseudomonas palustris to transform rutin. Our results showed the crude enzyme was found to transform rutin to quercetin via isoquercitrin. The maximum enzyme activities were observed at pH 7.0, 25 °C, and rutin concentration of 1.0 mg mL(- 1). Under optimal conditions, 13.11 μM rutin was biotransformed into 6...
February 17, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28213322/study-of-processes-influencing-bioavailability-of-pesticides-in-wood-soil-systems-effect-of-different-factors
#19
J M Marín-Benito, E Herrero-Hernández, M S Rodríguez-Cruz, M Arienzo, M J Sánchez-Martín
Lignocellulosic wastes and by-products containing lignin are now available in large amounts from forestry and industrial activities, and could be promising organic materials for the biosorption of pesticides by soils in order to reduce point-source pollution. Adding these materials to soil requires understanding the process of pesticide sorption-desorption by wood-soils, as sorption capacity could increase, with changes in pesticide bioavailability and final fate. The objective of this work was to study the effect that pine and oak wood added to soils had on the sorption/desorption of the pesticides linuron, alachlor, and metalaxyl...
February 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28213319/continuous-ohmic-heating-of-commercially-processed-apple-juice-using-five-sequential-electric-fields-results-in-rapid-inactivation-of-alicyclobacillus-acidoterrestris-spores
#20
N H Kim, J H Ryang, B S Lee, C T Kim, M S Rhee
Spores of Alicyclobacillus acidoterrestris, a spoilage bacterium, cause problems for the apple juice industry because they are resistant to thermal treatment. Here, we examined the sporicidal effect of an ohmic heating (OH) system with five sequential electric fields and compared it with that of conventional heating. Apple juice product (50kg) inoculated with A. acidoterrestris spores were subjected to OH (electric field strength=26.7V/cm; frequency=25kHz) at 85-100°C for 30-90s. The effect of conventional heating was also examined under these conditions...
January 27, 2017: International Journal of Food Microbiology
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