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https://www.readbyqxmd.com/read/27933140/mitigating-pharmaceutical-waste-exposures-policy-and-program-considerations
#1
EDITORIAL
Eric D Amster
Pharmaceutical disposal and the environmental fate of medication metabolites directly impacts the public's health in two significant ways: accidental medication ingestion of pharmaceuticals that were not disposed of properly results in inadvertent toxicity; and environmental health consequences of pharmaceuticals that were inappropriately disposed and which contaminate municipal water supply. In reviewing the effectiveness of medication disposal policy globally, it is crucial to not only determine which policies are effective but also to assess why they are effective...
2016: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/27932595/the-relationship-between-acute-malnutrition-hygiene-practices-water-and-livestock-and-their-program-implications-in-eastern-chad
#2
Anastasia Marshak, Helen Young, Elizabeth N Bontrager, Erin M Boyd
BACKGROUND: The causes of acute malnutrition are complex and time and geography variant and need to be better understood in order to both design more effective nutrition programs and evaluate them. The findings reported here are part of an evaluation of a 4-year multisectoral nutrition program led by Concern Worldwide in the Sila Region of eastern Chad. OBJECTIVE: To present evidence and learning about the relationships between acute malnutrition and potential drivers in Sila, Chad...
December 8, 2016: Food and Nutrition Bulletin
https://www.readbyqxmd.com/read/27931878/impacts-on-the-marine-environment-in-the-case-of-a-hypothetical-accident-involving-the-recovery-of-the-dumped-russian-submarine-k-27-based-on-dispersion-of-137-cs
#3
A Hosseini, I Amundsen, J Brown, M Dowdall, M Karcher, F Kauker, R Schnur
There is increasing concern regarding the issue of dumped nuclear waste in the Arctic Seas and in particular dumped objects with Spent Nuclear Fuel (SNF). Amongst dumped objects in the Arctic, the dumped Russian submarine K-27 has received great attention as it contains two reactors with highly enriched fuel and lies at a depth of about 30 m under water. To address these concerns a health and environmental impact assessment has been undertaken. Marine dispersion of potentially released radionuclides as a consequence of different hypothetical accident scenarios was modelled using the model NAOSIM...
December 5, 2016: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/27931390/thermal-effects
#4
Ming Yan, Panyue Zhang, Guangming Zeng
This review focuses on the research literatures published in 2015 relating to topics of thermal effects in water pollution control. This review is divided into the following sections: biological nitrogen and phosphorus removal, wastewater treatment for organic conversion, industrial wastewater treatment, anaerobic digestion of sewage sludge and solid waste, sludge biochar preparation and application, pyrolysis of sewage sludge, reduction heavy metal in sewage sludge and soil, and other issues of wastewater and sludge treatment...
October 2016: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/27931381/radioactive-wastes
#5
B S Choudri, Mahad Baawain
Papers reviewed herein present a general overview of radioactive waste activities around the world in 2015. These include safety assessments, decommission and decontamination of nuclear facilities, fusion facilities, transportation and management solutions for the final disposal of low and high level radioactive wastes (LLW and HLW), interim storage and final disposal options for spent fuel (SF), and tritiated wastes, with a focus on environmental impacts due to the mobility of radionuclides in water, soil and ecosystem alongwith other progress made in the management of radioactive wastes...
October 2016: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/27931376/food-processing-wastes
#6
Val S Frenkel, Gregg A Cummings, K Y Maillacheruvu, Walter Z Tang
Literature published in 2015 and early 2016 related to food processing wastes treatment for industrial applications are reviewed. This review is a subsection of the Treatment Systems section of the annual Water Environment Federation literature review and covers the following food processing industries and applications: general, meat and poultry, fruits and vegetables, dairy and beverage, and miscellaneous treatment of food wastes.
October 2016: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/27931365/membrane-processes
#7
Marie-Laure Pellegrin, Marie S Burbano, Mary E Sadler, Jason Diamond, Simon Baker, Anthony D Greiner, Sara Arabi, Joseph Wong, Alexandra Doody, Lokesh P Padhye, Keith Sears, Peter Kistenmacher, Fraser Kent, Leila Tootchi, Jorge Aguinaldo, Sara Saddredini, Bill Schilling, Kyungnan Min, Robert McCandless, Bryce Danker, Neranga P Gamage, Sunny Wang, Peter Aerts
This review, for literature published in 2015, contains information related to membrane processes for municipal and industrial applications. This review is a subsection of the Treatment Systems section of the annual Water Environment Federation literature review and covers the following topics: pretreatment, membrane bioreactor (MBR) configuration, design, nutrient removal, operation, industrial treatment, anaerobic membrane systems, reuse, microconstituents removal, membrane technology advances, membrane fouling, and modeling...
October 2016: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/27930957/treatment-of-landfill-leachate-in-municipal-wastewater-treatment-plants-and-impacts-on-effluent-ammonium-concentrations
#8
R B Brennan, E Clifford, C Devroedt, L Morrison, M G Healy
Landfill leachate is the result of water percolating through waste deposits that have undergone aerobic and anaerobic microbial decomposition. In recent years, increasingly stringent wastewater discharge requirements have raised questions regarding the efficacy of co-treatment of leachate in municipal wastewater treatment plants (WWTPs). This study aimed to (1) examine the co-treatment of leachate with a 5-day biochemical oxygen demand (BOD5): chemical oxygen demand (COD) ratio less than or slightly greater than 0...
December 5, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27930368/metal-contamination-in-environmental-media-in-residential-areas-around-romanian-mining-sites
#9
Iulia A Neamtiu, Souhail R Al-Abed, John L McKernan, Calin L Baciu, Eugen S Gurzau, Anca O Pogacean, Scott M Bessler
Hard-rock mining for metals, such as gold, silver, copper, zinc, iron and others, is recognized to have a significant impact on the environmental media, soil and water, in particular. Toxic contaminants released from mine waste to surface water and groundwater is the primary concern, but human exposure to soil contaminants either directly, via inhalation of airborne dust particles, or indirectly, via food chain (ingestion of animal products and/or vegetables grown in contaminated areas), is also, significant...
December 8, 2016: Reviews on Environmental Health
https://www.readbyqxmd.com/read/27929142/an-experimental-investigation-of-the-risk-of-triggering-geological-disasters-by-injection-under-shear-stress
#10
Yixin Liu, Jiang Xu, Shoujian Peng
Fluid injection has been applied in many fields, such as hazardous waste deep well injection, forced circulation in geothermal fields, hydraulic fracturing, and CO2 geological storage. However, current research mainly focuses on geological data statistics and the dominating effects of pore pressure. There are only a few laboratory-conditioned studies on the role of drilling boreholes and the effect of injection pressure on the borehole wall. Through experimental phenomenology, this study examines the risk of triggering geological disasters by fluid injection under shear stress...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27928092/animal-husbandry-practices-and-perceptions-of-zoonotic-infectious-disease-risks-among-livestock-keepers-in-a-rural-parish-of-quito-ecuador
#11
Christopher Lowenstein, William F Waters, Amira Roess, Jessica H Leibler, Jay P Graham
Small-scale livestock production plays an essential role as a source of income and nutrition for households in low- and middle-income countries, yet these practices can also increase risk of zoonotic infectious diseases, especially among young children. To mitigate this risk, there is a need to better understand how livestock producers perceive and manage risks of disease transmission. Twenty semistructured, in-depth interviews were conducted with small-scale livestock producers in a semirural parish of Quito, Ecuador...
December 7, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27927078/assessment-of-the-uv-cl2-advanced-oxidation-process-for-the-degradation-of-the-emerging-contaminants-amitriptyline-hydrochloride-methyl-salicylate-and-2-phenoxyethanol-in-water-systems
#12
F Javier Benitez, Francisco J Real, Juan L Acero, Francisco Casas
Three emerging contaminants (amitriptyline hydrochloride, methyl salicylate and 2-phenoxyethanol) frequently found in waste-waters were selected to be individually degraded in ultra-pure water by the advanced oxidation process constituted by the combination of UV radiation and chlorine. The influence of pH, initial chlorine concentration and nature of the contaminants was firstly explored. The trend for the reactivity of the selected compounds was deduced: amitriptyline hydrochloride > methyl salicylate > 2-phenoxyethanol...
December 7, 2016: Environmental Technology
https://www.readbyqxmd.com/read/27923270/comparison-of-antibody-immobilization-strategies-in-detection-of-vibrio-cholerae-by-surface-plasmon-resonance
#13
Ramezan Ali Taheri, Ali Hossein Rezayan, Fereshteh Rahimi, Javad Mohammadnejad, Mehdi Kamali
Surface plasmon resonance immunosensor for the detection of bacterial cells was first reported in 1998 with high detection limit as much as 10(7 )cfu/ml. Since then, many efforts have been made aiming to lower the detection limit and improve the sensitivity of detection. The aim of this study was to compare the effect of four most frequently used immobilization strategies, including direct physical adsorption (physisorption), covalent immobilization via self-assembled monolayer (SAM) formation, bioaffinity immobilization using protein G-mediated immobilization and using mixed SAM of alkane thiols on signal strength of detection of Vibrio cholerae using these modified surfaces...
December 6, 2016: Biointerphases
https://www.readbyqxmd.com/read/27919554/quantitative-structure-property-relationships-for-predicting-sorption-of-pharmaceuticals-to-sewage-sludge-during-waste-water-treatment-processes
#14
L Berthod, D C Whitley, G Roberts, A Sharpe, R Greenwood, G A Mills
Understanding the sorption of pharmaceuticals to sewage sludge during waste water treatment processes is important for understanding their environmental fate and in risk assessments. The degree of sorption is defined by the sludge/water partition coefficient (Kd). Experimental Kd values (n=297) for active pharmaceutical ingredients (n=148) in primary and activated sludge were collected from literature. The compounds were classified by their charge at pH7.4 (44 uncharged, 60 positively and 28 negatively charged, and 16 zwitterions)...
December 2, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27916304/risk-of-bone-tumors-in-children-and-residential-proximity-to-industrial-and-urban-areas-new-findings-from-a-case-control-study
#15
Javier García-Pérez, Antonio Morales-Piga, Diana Gómez-Barroso, Ibon Tamayo-Uria, Elena Pardo Romaguera, Gonzalo López-Abente, Rebeca Ramis
Few epidemiologic studies have explored risk factors for bone tumors in children, and the role of environmental factors needs to be analyzed. Our objective was to ascertain the association between residential proximity to industrial plants and urban areas and risk of bone tumors in children, taking into account industrial groups and toxic pollutants released. A population-based case-control study of childhood bone cancer in Spain was carried out, covering 114 incident cases obtained from the Spanish Registry of Childhood Tumors (between 1996 and 2011), and 684 controls individually matched by sex, year of birth, and autonomous region of residence...
December 1, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27916130/simple-determination-of-hydrazine-in-waste-water-by-headspace-solid-phase-micro-extraction-and-gas-chromatography-tandem-mass-spectrometry-after-derivatization-with-trifluoro-pentanedione
#16
Jin-Aa Oh, Ho-Sang Shin
A headspace solid-phase micro extraction (HS-SPME) and gas chromatography-tandem mass spectrometric (GC-MS/MS) method is described to detect hydrazine after derivatization with 1,1,1-trifluoro-2,4-pentanedione (1,1,1-TFPD) to 3-methyl-5-(trifluoromethyl) pyrazole in industrial waste water. The following optimal HS-SPME conditions were used: 85 μm-carboxen-polydimethylsiloxane fibre, 100 mg L(-1) TFPD, saturated NaCl, an extraction/derivatization temperature of 80 °C, a heating time of 40 min, and a pH of 9...
January 15, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27914777/polonium-210-accumulates-in-a-lake-receiving-coal-mine-discharges-anthropogenic-or-natural
#17
A W Nelson, E S Eitrheim, A W Knight, D May, M D Wichman, T Z Forbes, M K Schultz
Coal is an integral part of global energy production; however, coal mining is associated with numerous environmental health impacts. It is well documented that coal-mine waste can contaminate the environment with naturally-occurring radionuclides from the uranium-238 ((238)U) decay series. However, the behavior of the final radionuclide in the (238)U-series, i.e., polonium-210 ((210)Po) arising from coal-mine waste-water discharge is largely unexplored. Here, results of a year-long (2014-2015) field study, in which the concentrations of (210)Po in sediments and surface water of a lake that receives coal-mine waste-water discharge in West Virginia are presented...
November 30, 2016: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/27913169/liquid-nitrogen-pretreatment-of-eucalyptus-sawdust-and-rice-hull-for-enhanced-enzymatic-saccharification
#18
Rafael Castoldi, Vanesa G Correa, Gutierrez Rodrigues de Morais, Cristina G M de Souza, Adelar Bracht, Rosely A Peralta, Regina F Peralta-Muniz Moreira, Rosane M Peralta
In this work, liquid nitrogen was used for the first time in the pretreatment of plant biomasses for purposes of enzymatic saccharification. After treatment (cryocrushing), the initial rates of the enzymatic hydrolysis of eucalyptus sawdust and rice hull were increased more than ten-fold. Cryocrushing did not modify significantly the contents of cellulose, hemicellulose and lignin in both eucalyptus sawdust and rice hulls. However, substantial disorganization of the lignocellulosic materials in consequence of the pretreatment could be observed by electron microscopy...
November 25, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/27912163/reproduction-impairment-and-endocrine-disruption-in-adult-zebrafish-danio-rerio-after-waterborne-exposure-to-tboep
#19
Qinglong Xu, Ding Wu, Yao Dang, Liqin Yu, Chunsheng Liu, Jianghua Wang
Tris (2-butoxyethyl) phosphate (TBOEP) is widely used as a substitute of polybrominated diphenyl ethers (PBDEs). It has been frequently measured at concentrations of micrograms per liter (μg/L) in surface waters and waste water. However, limited information is available about the reproduction toxicology of TBOEP. In this study, adult zebrafish pairs were exposed to TBOEP at concentrations of 0, 5, 50, and 500μg/L for 21days. The effects on reproduction, hormone concentration, transcription of genes along the hypothalamic-pituitary-gonadal (HPG) axis, and gonadal development were investigated...
November 24, 2016: Aquatic Toxicology
https://www.readbyqxmd.com/read/27912120/solvothermal-synthesis-of-ag-hybrid-bipo4-heterostructures-with-enhanced-photodegradation-activity-and-stability
#20
Chang-Wei Huang, Mei-Yao Wu, Yang-Wei Lin
In this study, Ag hybrid BiPO4 (Ag/BiPO4) heterostructures were synthesized using a solvothermal method. The morphologies and optical properties of the Ag/BiPO4 heterostructures were drastically different from those of BiPO4 and were highly dependent on the AgNO3:BiPO4 weight percent during the synthesis. The three formulated heterostructures were evaluated for their photocatalytic degradation of methylene blue (MB) under UV light illumination; the 0.5%Ag/BiPO4 heterostructure was observed to result in 99% degradation of MB within 60min, a remarkably higher level of photodegradation activity than the levels caused by TiO2 and BiPO4...
November 22, 2016: Journal of Colloid and Interface Science
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