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https://www.readbyqxmd.com/read/28436522/integrated-hydrogen-evolution-and-water-cleaning-via-a-robust-graphene-supported-noble-metal-free-fe1-xcoxs2-system
#1
Yingying Fan, Dandan Wang, Dongxue Han, Yingming Ma, Shuang Ni, Zhonghui Sun, Xiandui Dong, Li Niu
In an electrocatalytic hydrogen evolution reaction (HER) system, a cathodic H(+) resource, an anodic sacrificial agent and a robust catalyst are three essential factors. Industry wastewater emissions, containing high levels of acidity and organic dyes, actually can satisfy the material requirements for the HER. Herein, a new HER method is proposed, taking acidic ions from wastewater as a cathodic resource to produce H2, while organic dye waste acts as an anodic sacrifice to balance the reaction. In such a way, a sustainable H2 energy source can be generated and clean water is obtained as well...
April 24, 2017: Nanoscale
https://www.readbyqxmd.com/read/28435767/green-toxicology-a-strategy-for-sustainable-chemical-and-material-development
#2
EDITORIAL
Sarah E Crawford, Thomas Hartung, Henner Hollert, Björn Mathes, Bennard van Ravenzwaay, Thomas Steger-Hartmann, Christoph Studer, Harald F Krug
Green Toxicology refers to the application of predictive toxicology in the sustainable development and production of new less harmful materials and chemicals, subsequently reducing waste and exposure. Built upon the foundation of "Green Chemistry" and "Green Engineering", "Green Toxicology" aims to shape future manufacturing processes and safe synthesis of chemicals in terms of environmental and human health impacts. Being an integral part of Green Chemistry, the principles of Green Toxicology amplify the role of health-related aspects for the benefit of consumers and the environment, in addition to being economical for manufacturing companies...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28435157/the-systemic-nature-of-ckd
#3
REVIEW
Carmine Zoccali, Raymond Vanholder, Ziad A Massy, Alberto Ortiz, Pantelis Sarafidis, Friedo W Dekker, Danilo Fliser, Denis Fouque, Gunnar H Heine, Kitty J Jager, Mehmet Kanbay, Francesca Mallamaci, Gianfranco Parati, Patrick Rossignol, Andrzej Wiecek, Gerard London
The accurate definition and staging of chronic kidney disease (CKD) is one of the major achievements of modern nephrology. Intensive research is now being undertaken to unravel the risk factors and pathophysiologic underpinnings of this disease. In particular, the relationships between the kidney and other organs have been comprehensively investigated in experimental and clinical studies in the last two decades. Owing to technological and analytical limitations, these links have been studied with a reductionist approach focusing on two organs at a time, such as the heart and the kidney or the bone and the kidney...
April 24, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28434893/what-makes-people-leave-their-food-the-interaction-of-personal-and-situational-factors-leading-to-plate-leftovers-in-canteens
#4
Bettina Anne-Sophie Lorenz, Monika Hartmann, Nina Langen
In order to provide a basis for the reduction of food losses, our study analyzes individual food choice, eating and leftover behavior in a university canteen by consideration of personal, social and environmental determinants. Based on an extended literature review, a structural equation model is derived and empirically tested for a sample of 343 students. The empirical estimates support the derived model with a good overall model fit and sufficient R(2) values for dependent variables. Hence, our results provide evidence for a general significant impact of behavioral intention and related personal and social determinants as well as for the relevance of environmental/situational determinants such as portion sizes and palatability of food for plate leftovers...
April 20, 2017: Appetite
https://www.readbyqxmd.com/read/28434789/conversion-of-biomass-to-hydroxymethylfurfural-a-review-of-catalytic-systems-and-underlying-mechanisms
#5
REVIEW
Iris K M Yu, Daniel C W Tsang
Conversion of biomass waste to hydroxymethylfurfural (HMF), a value-added platform chemical, has captured great research interests driven by the economic and environmental incentives. This review evaluates the recent development of biomass conversion systems for high HMF yield and selectivity, with a focus on the performance of emerging catalysts and solvents from a mechanistic view. We highlight that the ratio and strength of Brønsted and Lewis acid in bifunctional catalyst are critical for maximizing HMF production by selective improvement in the kinetics of desirable reactions (hydrolysis, isomerization, and dehydration) over undesirable reactions (rehydration, polymerization)...
April 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28434580/-gaceta-sanitaria-joins-the-reward-initiative-to-improve-biomedical-research-and-reduce-waste-in-science
#6
EDITORIAL
Clara Bermúdez-Tamayo, Julia Bolívar Muñoz, Erica Briones Vozmediano, Mercedes Elcira Carrasco Portiño, María Victoria Zunzunegui Pastor, Miguel Ángel Negrín, Laura Inés González Zapata, Leila Posenato García, Carlos Álvarez-Dardet Díaz
No abstract text is available yet for this article.
May 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28433819/environmentally-and-economically-efficient-utilization-of-coal-processing-waste
#7
Margarita A Dmitrienko, Pavel A Strizhak
High concentrations of hazardous anthropogenic emissions (sulfur, nitrogen and carbon oxides) from solid fuel combustion in coal burning plants cause environmental problems that have been especially pressing over the last 20-30 years. A promising solution to these problems is a switch from conventional pulverized coal combustion to coal-water slurry fuel. In this paper, we pay special attention to the environmental indicators characterizing the combustion of different coal ranks (gas, flame, coking, low-caking, and nonbaking coals) and coal-water slurry fuels based on the coal processing waste - filter cakes...
April 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28431486/evaluating-the-operational-risks-of-biomedical-waste-using-failure-mode-and-effects-analysis
#8
Ying-Chu Chen, Pei-Yi Tsai
The potential problems and risks of biomedical waste generation have become increasingly apparent in recent years. This study applied a failure mode and effects analysis to evaluate the operational problems and risks of biomedical waste. The microbiological contamination of biomedical waste seldom receives the attention of researchers. In this study, the biomedical waste lifecycle was divided into seven processes: Production, classification, packaging, sterilisation, weighing, storage, and transportation. Twenty main failure modes were identified in these phases and risks were assessed based on their risk priority numbers...
April 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28427272/biological-technologies-for-the-remediation-of-co-contaminated-soil
#9
Shujing Ye, Guangming Zeng, Haipeng Wu, Chang Zhang, Juan Dai, Jie Liang, Jiangfang Yu, Xiaoya Ren, Huan Yi, Min Cheng, Chen Zhang
Compound contamination in soil, caused by unreasonable waste disposal, has attracted increasing attention on a global scale, particularly since multiple heavy metals and/or organic pollutants are entering natural ecosystem through human activities, causing an enormous threat. The remediation of co-contaminated soil is more complicated and difficult than that of single contamination, due to the disparate remediation pathways utilized for different types of pollutants. Several modern remediation technologies have been developed for the treatment of co-contaminated soil...
April 21, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28425974/on-the-edge-of-research-and-technological-application-a-critical-review-of-electromethanogenesis
#10
REVIEW
Ramiro Blasco-Gómez, Pau Batlle-Vilanova, Marianna Villano, Maria Dolors Balaguer, Jesús Colprim, Sebastià Puig
The conversion of electrical current into methane (electromethanogenesis) by microbes represents one of the most promising applications of bioelectrochemical systems (BES). Electromethanogenesis provides a novel approach to waste treatment, carbon dioxide fixation and renewable energy storage into a chemically stable compound, such as methane. This has become an important area of research since it was first described, attracting different research groups worldwide. Basics of the process such as microorganisms involved and main reactions are now much better understood, and recent advances in BES configuration and electrode materials in lab-scale enhance the interest in this technology...
April 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28424279/phosphorylation-induces-structural-changes-in-the-autographa-californica-nucleopolyhedrovirus-p10-protein
#11
Farheen Raza, Joanna F McGouran, Benedikt M Kessler, Robert D Possee, Linda A King
Baculoviruses encode a variety of auxiliary proteins that are not essential for viral replication but provide them with a selective advantage in nature. P10 is a 10 kDa auxiliary protein produced in the very-late phase of gene transcription by Autographa californica multiple nucleopolyhedrovirus (AcMNPV). The P10 protein forms cytoskeletal-like structures in the host cell that associate with microtubules varying from filamentous forms in the cytoplasm to aggregated peri-nuclear tubules that form a cage-like structure around the nucleus...
April 19, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28420218/a-latency-and-coverage-optimized-data-collection-scheme-for-smart-cities-based-on-vehicular-ad-hoc-networks
#12
Yixuan Xu, Xi Chen, Anfeng Liu, Chunhua Hu
Using mobile vehicles as "data mules" to collect data generated by a huge number of sensing devices that are widely spread across smart city is considered to be an economical and effective way of obtaining data about smart cities. However, currently most research focuses on the feasibility of the proposed methods instead of their final performance. In this paper, a latency and coverage optimized data collection (LCODC) scheme is proposed to collect data on smart cities through opportunistic routing. Compared with other schemes, the efficiency of data collection is improved since the data flow in LCODC scheme consists of not only vehicle to device transmission (V2D), but also vehicle to vehicle transmission (V2V)...
April 18, 2017: Sensors
https://www.readbyqxmd.com/read/28419654/degradation-and-metabolism-of-synthetic-plastics-and-associated-products-by-pseudomonas-spp-capabilities-and-challenges
#13
REVIEW
Rebecca A Wilkes, Ludmilla Aristilde
Synthetic plastics, which are widely present in materials of everyday use, are ubiquitous and slow-degrading polymers in environmental wastes. Of special interest are the capabilities of microorganisms to accelerate their degradation. Members of the metabolically-diverse genus Pseudomonas are of particular interest due their capabilities to degrade and metabolize synthetic plastics. Pseudomonas species isolated from environmental matrices have been identified to degrade polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyurethane, polyethylene terephthalate, polyethylene succinate, polyethylene glycol, and polyvinyl alcohol at varying degrees of efficiency...
April 17, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28417433/investigating-responses-to-food-insecurity-among-hiv-positive-people-in-resource-rich-settings-a-systematic-review
#14
REVIEW
F H McKay, K Lippi, M Dunn
Many of the 36.7 million people living with HIV are also assumed to be food insecure. The implications of food insecurity in people living with HIV are significant, with food insecurity associated with an increased likelihood of tobacco, alcohol, and illicit drug use, experiences of depression or depressive symptoms, poor adherence and delayed uptake of HIV medication, nutritional vulnerability leading to interference of medication, and the uptake of risky behaviours as a way to gain access to food resources...
April 17, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28416084/a-conceptual-framework-for-negotiating-public-involvement-in-municipal-waste-management-decision-making-in-the-uk
#15
Kenisha Garnett, Tim Cooper, Philip Longhurst, Simon Jude, Sean Tyrrel
The technical expertise that politicians relied on in the past to produce cost-effective and environmentally sound solutions no longer provides sufficient justification to approve waste facilities. Local authorities need to find more effective ways to involve stakeholders and communities in decision-making since public acceptance of municipal waste facilities is integral to delivering effective waste strategies. This paper presents findings from a research project that explored attitudes towards greater levels of public involvement in UK waste management decision-making...
April 13, 2017: Waste Management
https://www.readbyqxmd.com/read/28414962/advanced-anaerobic-digestion-of-municipal-sludge-using-a-novel-and-energy-efficient-radio-frequency-pretreatment-system
#16
E Hosseini Koupaie, T Johnson, C Eskicioglu
Microwave (MW) sludge pretreatment systems are usually limited to a frequency of 2.45 GHz and the heating frequency is constrained by commercially available hardware. Studies using MW heating at this frequency have reported negative net energy balance (output energy as methane minus input electrical energy). This necessitates further research into more efficient thermal pretreatment technologies. In this research, a novel and highly efficient radio frequency (RF) pretreatment system at a frequency of 13.56 MHz was designed, implemented, and tested for the first time...
April 8, 2017: Water Research
https://www.readbyqxmd.com/read/28414913/lca-harmonization-and-soil-science-rankings-results-on-food-waste-management-methods
#17
Jeffrey Morris, Sally L Brown, Matthew Cotton, H Scott Matthews
This study reviewed 147 life cycle studies, with 28 found suitable for harmonizing food waste management methods' climate and energy impacts. 80 scientific soil productivity studies were assessed to rank management method soil benefits. Harmonized climate impacts per kilogram (kg) food waste range from -0.20 kg of carbon dioxide equivalents (CO2e) for anaerobic digestion (AD) to 0.38 kg CO2e for landfill gas-to-energy (LFGTE). Aerobic composting (AC) is -0.10 kg CO2e. In-sink grinding (ISG) via a food waste disposer and flushing for management with other sewerage at a wastewater treatment plant emits 0...
April 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28414653/increasing-value-and-reducing-waste-in-stroke-research
#18
REVIEW
Eivind Berge, Rustam Al-Shahi Salman, H Bart van der Worp, Christian Stapf, Peter Sandercock, Nikola Sprigg, Malcolm R Macleod, Peter J Kelly, Paul J Nederkoorn, Gary A Ford
Stroke is a major burden to patients and society, and resources spent on stroke research must be used efficiently and produce good value in terms of improvements in human health. However, many instances of poor value from stroke research funding have resulted from the way in which stroke research topics have been chosen and how studies have been designed, conducted, analysed, regulated, managed, disseminated, or reported. A cooperative effort of European stroke researchers aimed to identify sources of inefficiency and waste, recommend approaches to increase value, and highlight examples of best practice in stroke research...
May 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28412056/biomolecules-from-olive-pruning-waste-in-sierra-m%C3%A3-gina-engaging-the-energy-transition-by-multi-actor-and-multidisciplinary-analyses
#19
Marianne Cohen, Gilles Lepesant, Farida Lamari, Clelia Bilodeau, Petra Benyei, Stéphane Angles, Julien Bouillon, Kevin Bourrand, Ramla Landoulsi, Delphine Jaboeuf, Maria Alonso-Roldán, Isidro Espadas-Tormo, Veronica Belandria, Philippe Silar, Moussa Dicko
The price volatility of fossil resources, the uncertainty of their long-term availability and the environmental, climatic and societal problems posed by their operation lead to the need of an energy transition enabling the development and utilization of other alternative and sustainable resources. Acknowledging that indirect land-use change can increase greenhouse gas emission, the European Union (EU) has reshaped its biofuel policy. It has set criteria for sustainability to ensure that the use of biofuels guarantees real carbon savings and protects biodiversity...
April 12, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28411499/characteristics-and-environmental-fate-of-the-anionic-surfactant-sodium-lauryl-ether-sulphate-sles-used-as-the-main-component-in-foaming-agents-for-mechanized-tunnelling
#20
REVIEW
Anna Barra Caracciolo, Martina Cardoni, Tanita Pescatore, Luisa Patrolecco
The anionic surfactant sodium lauryl ether sulphate (SLES) is the main component of most commercial products used for soil conditioning in the excavation industry, in particular as lubricants for mechanized tunnelling. Its use during the excavation processes can result in either the subsequent possible re-use of the huge amount of soil debris as by-products (e.g. land covering) or its discharge as waste. Currently, there are neither SLES soil threshold limits in European legislation, nor comprehensive studies on the environmental risk for soil ecosystems in these exposure scenarios...
April 12, 2017: Environmental Pollution
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