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https://www.readbyqxmd.com/read/29350912/low-temperature-derived-3d-hexagonal-crystalline-fe3o4-nanoplates-for-water-purification
#1
Xiaoyi Wang, Yulong Liao, Huaiwu Zhang, Tianlong Wen, Dainan Zhang, Yuanxun Li, Mingzhen Liu, Faming Li, Qiye Wen, Zhiyong Zhong, Xingtian Yin
Fe3O4 nanoplates were fabricated by an anodic oxidation process and a subsequent water assisted crystallization process at low temperature, which was found to be very efficient and environmentally friendly. The as-prepared Fe3O4 nanoplates have hexagonal outlines with a thickness of about 20 nm. Tremendous grooves were distributed on the entire surfaces of the nanoplates, making the two-dimension nanoplates have a unique 3D morphology. Transmission electron microscopy results confirmed that the single-crystalline nature of the nanoplates was well maintained...
January 19, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29350257/a-new-approach-for-the-extraction-of-tetracyclines-from-soil-matrices-application-of-the-microwave-extraction-technique
#2
Paulina Łukaszewicz, Anna Białk-Bielińska, Joanna Dołżonek, Jolanta Kumirska, Magda Caban, Piotr Stepnowski
The widespread use of tetracyclines (TCs) in animal husbandry is associated with their constant penetration into the environment and the threat they might pose to living organisms. While the literature data on the analysis of these substances in such matrices as food, tissues, or wastewater are quite extensive, there are still only a few methods presented for the determination of these compounds in soil samples. Moreover, among the literature methods for the extraction of TCs from soil samples, microwave-assisted solvent extraction (MAE) was used only once and in combination with liquid chromatography with spectrophotometric detection (LC-UV)...
January 19, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29345117/candida-auris-a-systematic-review-and-meta-analysis-of-current-updates-on-an-emerging-multidrug-resistant-pathogen
#3
John Osei Sekyere
From 2009, Candida auris has emerged as a multidrug-resistant ascomycete yeast pathogen with the capacity for easy transmission between patients and hospitals, as well as persistence on environmental surfaces. Its association with high mortalities, breakthrough and persistent candidaemia, inconsistencies in susceptibility testing results, misidentification by available commercial identification systems and treatment failure, complicates its management and detection. Within the last nine years, C. auris has been increasingly reported from far-Eastern Asia, the Middle East, Africa, Europe, South and North America with substantial fatalities and misidentification...
January 18, 2018: MicrobiologyOpen
https://www.readbyqxmd.com/read/29342088/synthesis-and-characterization-of-wo%C3%A2-graphene-nanocomposites-for-enhanced-photocatalytic-activities-by-one-step-in-situ-hydrothermal-reaction
#4
Xiaoxiao Hu, Peiquan Xu, Hongying Gong, Guotao Yin
Tungsten trioxide (WO₃) nanorods are synthesized on the surface of graphene (GR) sheets by using a one-step in-situ hydrothermal method employing sodium tungstate (Na₂WO₄·2H₂O) and graphene oxide (GO) as precursors. The resulting WO₃/GR nanocomposites are characterized by X-ray diffraction, Raman spectroscopy, transmission electron microscopy, scanning electron microscopy and X-ray photoelectron spectroscopy. The results confirm that the interface between WO₃ nanorod and graphene contains chemical bonds...
January 17, 2018: Materials
https://www.readbyqxmd.com/read/29331170/implementation-lessons-learned-from-the-benefits-of-enhanced-terminal-room-betr-disinfection-study-process-and-perceptions-of-enhanced-disinfection-with-ultraviolet-disinfection-devices
#5
Deverick J Anderson, Lauren P Knelson, Rebekah W Moehring, Sarah S Lewis, David J Weber, Luke F Chen, Patricia F Triplett, Michael Blocker, R Marty Cooney, J Conrad Schwab, Yuliya Lokhnygina, William A Rutala, Daniel J Sexton
OBJECTIVE To summarize and discuss logistic and administrative challenges we encountered during the Benefits of Enhanced Terminal Room (BETR) Disinfection Study and lessons learned that are pertinent to future utilization of ultraviolet (UV) disinfection devices in other hospitals DESIGN Multicenter cluster randomized trial SETTING AND PARTICIPANTS Nine hospitals in the southeastern United States METHODS All participating hospitals developed systems to implement 4 different strategies for terminal room disinfection...
January 14, 2018: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29330608/environmental-performance-information-use-by-conservation-agency-staff
#6
Chloe Bradley Wardropper
Performance-based conservation has long been recognized as crucial to improving program effectiveness, particularly when environmental conditions are dynamic. Yet few studies have investigated the use of environmental performance information by staff of conservation organizations. This article identifies attitudinal, policy and organizational factors influencing the use of a type of performance information-water quality information-by Soil and Water Conservation District staff in the Upper Mississippi River Basin region...
January 12, 2018: Environmental Management
https://www.readbyqxmd.com/read/29329004/contemporary-enzyme-based-technologies-for-bioremediation-a-review
#7
REVIEW
Babita Sharma, Arun Kumar Dangi, Pratyoosh Shukla
The persistent disposal of xenobiotic compounds like insecticides, pesticides, fertilizers, plastics and other hydrocarbon containing substances is the major source of environmental pollution which needs to be eliminated. Many contemporary remediation methods such as physical, chemical and biological are currently being used, but they are not sufficient to clean the environment. The enzyme based bioremediation is an easy, quick, eco-friendly and socially acceptable approach used for the bioremediation of these recalcitrant xenobiotic compounds from the natural environment...
January 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29328742/pragmatic-recycling-of-paper-and-cardboard-in-the-operating-theatre-an-audit
#8
Douglas Ra McKendrick, Lorraine J Snedden, Rozel Bunch, Hazel McGregor
Despite recent legislation introduced in Scotland and motivated recycling at home, very little recycling exists within theatre environments. This study audited the introduction of recycling of paper and cardboard. All waste within a single operating theatre was collected by a dedicated team for 20 surgical cases. The collection of clean paper and cardboard packaging was limited to the theatre preparation room (TPR) and anaesthetic room (AR). No waste segregation was attempted within the operating theatre itself...
March 2017: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29324717/residual-inequity-assessing-the-unintended-consequences-of-new-york-city-s-clean-heat-transition
#9
Daniel Carrión, W Victoria Lee, Diana Hernández
Energy policies and public health are intimately intertwined. In New York City, a series of policies, known as the Clean Heat Program (CHP), were designed to reduce air pollution by banning residual diesel fuel oils, #6 in 2015 and #4 by 2030. This measure is expected to yield environmental and public health benefits over time. While there is near-universal compliance with the #6 ban, a substantial number of buildings still use #4. In this paper, geographic analysis and qualitative interviews with stakeholders were used to interrogate the CHP's policy implementation in Northern Manhattan and the Bronx...
January 11, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29324492/life-cycle-assessment-and-costing-methods-for-device-procurement-comparing-reusable-and-single-use-disposable-laryngoscopes
#10
Jodi D Sherman, Lewis A Raibley, Matthew J Eckelman
BACKGROUND: Traditional medical device procurement criteria include efficacy and safety, ease of use and handling, and procurement costs. However, little information is available about life cycle environmental impacts of the production, use, and disposal of medical devices, or about costs incurred after purchase. Reusable and disposable laryngoscopes are of current interest to anesthesiologists. Facing mounting pressure to quickly meet or exceed conflicting infection prevention guidelines and oversight body recommendations, many institutions may be electively switching to single-use disposable (SUD) rigid laryngoscopes or overcleaning reusables, potentially increasing both costs and waste generation...
January 9, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29323733/photo-induced-toxicity-following-exposure-to-crude-oil-and-ultraviolet-radiation-in-two-australian-fishes
#11
Lauren E Sweet, Andrew T Revill, Joanna Strzelecki, Sharon E Hook, Jeffrey M Morris, Aaron P Roberts
Some polycyclic aromatic hydrocarbons (PAHs), a component of crude oil, are known to cause increased toxicity when organisms are co-exposed with ultraviolet radiation, resulting in photo-induced toxicity. The photodynamic characteristic of some PAHs are of particular concern to places like Australia with high ultraviolet radiation levels. The objective of this study was to characterize the photo-induced toxicity of an Australian Northwest Shelf oil to early life stage yellowtail kingfish (Seriola lalandi) and black bream (Acanthopagrus butcheri)...
January 11, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29322075/data-about-knowledge-and-tendency-towards-organic-foods-use-in-tehran
#12
Fariba Razeghi, Ehsan Haghi, Masoud Yunesian
Improper use of chemical fertilizer and pesticide poses not only threats to the environmental safety but also major public health issues globally. The adverse effects of chemical fertilizers and pesticides forced agricultural scientist to look for safer methods such as organic farming. This study was aimed at assessing the knowledge and tendency towards organic foods use among people of living in a megacity, Tehran. Data was collected from "fall exhibition" and "health food exhibition" participants using pretested questionnaire...
February 2018: Data in Brief
https://www.readbyqxmd.com/read/29321027/the-role-of-transportation-in-the-spread-of-brachyspira-hyodysenteriae-in-fattening-farms
#13
Enrico Giacomini, Sara Gasparrini, Massimiliano Lazzaro, Federico Scali, Maria Beatrice Boniotti, Attilio Corradi, Paolo Pasquali, Giovanni Loris Alborali
BACKGROUND: Direct and indirect contact among animals and holdings are important in the spread of Brachyspira hyodysenteriae. The objective of this study was to investigate the role of slaughterhouse vehicles in spreading B. hyodysenteriae between unconnected farms. RESULTS: Multilocus sequence typing (MLST) and Multiple Locus Variable number tandem repeat Analysis (MLVA) were used to characterize B. hyodysenteriae strains isolated from trucks. Before cleaning, 976 batches of finishing pigs transported by 174 trucks from 540 herds were sampled...
January 10, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29319051/correlation-between-novel-potential-indoor-risk-factors-and-frequency-of-doctor-s-visit-for-respiratory-problem-in-taiwan-s-tropical-environment
#14
Yu-Hao Wang, Hsing-Hao Su, Lan Hsu, Chung-Yang Wang, Pi-Hsiung Wu
BACKGROUND: With a global rising trend in prevalence of allergic diseases, more attention has been paid to investigation of environmental risk factors. Many risk factors have so far been identified. However, novel risk factors specific to Taiwanese environment and lifestyle were still relatively unknown. OBJECTIVE: To investigate the potential effects of a number of little-known indoor risk factors on the frequency of doctor's visit for respiratory problems in context of Taiwanese environment and lifestyle...
January 2018: International Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29317899/outbreak-of-clonal-complex-22-panton-valentine-leucocidin-positive-methicillin-resistant-staphylococcus-aureus
#15
Mark I Garvey, Craig W Bradley, Kerry L Holden, Beryl Oppenheim
Aims: We describe the investigation and control of a nosocomial outbreak of Sequence Type (ST) 22 MRSA containing the Panton-Valentine leucocidin (PVL) toxin in an acute multispecialty surgical ward at University Hospital Birmingham NHS Foundation Trust. Methods: A patient was classed as acquiring methicillin-resistant Staphylococcus aureus (MRSA) if they had a negative admission screen and then had MRSA isolated from a subsequent screen or clinical specimen. Spa typing and pulsed field gel electrophoresis (PFGE) was undertaken to confirm MRSA acquisitions...
September 2017: Journal of Infection Prevention
https://www.readbyqxmd.com/read/29316318/a-perspective-review-on-the-materials-and-mechanisms-of-photo-assisted-chemical-reactions-under-light-and-dark-can-it-be-called-as-day-night-photocatalysis
#16
Sakar Mohan, Nguyen Chinh-Chien, Vu Manh-Hiep, Trong-On Do
The photo-assisted catalytic reaction, conventionally known as photocatalysis, is blooming into the field of energy and environmental applications. It is widely known that the discovery of TiO2-assited photochemical reactions has led to achieve several unique applications such as degradation of pollutants in water and air, hydrogen production through water splitting, fuel conversion, cancer treatment, anti-bacterial activity, self-cleaning glasses and concrete, etc. These multifaceted applications of this phenomenon can be enriched and expanded further if this process is equipped with more tools and functions...
January 8, 2018: ChemSusChem
https://www.readbyqxmd.com/read/29315885/cocatalysts-in-semiconductor-based-photocatalytic-co2-reduction-achievements-challenges-and-opportunities
#17
REVIEW
Jingrun Ran, Mietek Jaroniec, Shi-Zhang Qiao
Ever-increasing fossil-fuel combustion along with massive CO2 emissions has aroused a global energy crisis and climate change. Photocatalytic CO2 reduction represents a promising strategy for clean, cost-effective, and environmentally friendly conversion of CO2 into hydrocarbon fuels by utilizing solar energy. This strategy combines the reductive half-reaction of CO2 conversion with an oxidative half reaction, e.g., H2 O oxidation, to create a carbon-neutral cycle, presenting a viable solution to global energy and environmental problems...
January 8, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29313309/air-pollution-and-allergic-airway-diseases-social-determinantsand-sustainability-in-the-control-and-prevention
#18
REVIEW
H Paramesh
Air pollution, global warming and climate change are the major contributing factors in causing the increase prevalence of allergic airway diseases like asthma and allergic rhinitis and they will be the defining issues for health system in the twenty-first century. Asthma is an early onset non-communicable environmental disease with global epidemic and contributes a greatest psycho socio economic burden. Nearly 8 million global deaths are from air pollution. Over one billion population are the sufferers during 2015 and will increase to 4 billion by 2050...
January 9, 2018: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29311436/legionnaires-disease-as-an-occupational-risk-related-to-decontamination-work-after-the-fukushima-nuclear-disaster-a-case-report
#19
Toyoaki Sawano, Masaharu Tsubokura, Akihiko Ozaki, Claire Leppold, Shigeaki Kato, Toshiyuki Kambe
OBJECTIVES: Legionnaires' disease (LD), which is atypical pneumonia with a broad variety of clinical symptoms, can lead to death despite its low incidence. There are multiple risk factors for LD, yet little information is available concerning what kind of environmental factors are linked to higher risk of LD development. We have experienced a fatal case of LD, which occurred in a decontamination worker after the Fukushima nuclear disaster. CASE: A 53-year-old Japanese male visited our hospital with symptoms of fever, vomiting, diarrhea, and altered mental status, but not with respiratory manifestations...
December 28, 2017: Journal of Occupational Health
https://www.readbyqxmd.com/read/29307072/life-cycle-assessment-of-opencast-coal-mine-production-a-case-study-in-yimin-mining-area-in-china
#20
Li Zhang, Jinman Wang, Yu Feng
China has the largest coal production in the world due to abundant resource requirements for economic development. In recent years, the proportion of opencast coal mine production has increased significantly in China. Opencast coal mining can lead to a large number of environmental problems, including air pollution, water pollution, and solid waste occupation. The previous studies on the environmental impacts of opencast coal mine production were focused on a single production process. Moreover, mined land reclamation was an important process in opencast coal mine production; however, it was rarely considered in previous research...
January 6, 2018: Environmental Science and Pollution Research International
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