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Environmental Science and Pollution Research International

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https://www.readbyqxmd.com/read/28634806/household-water-insecurity-and-its-cultural-dimensions-preliminary-results-from-newtok-alaska
#1
Laura Eichelberger
Using a relational approach, I examine several cultural dimensions involved in household water access and use in Newtok, Alaska. I describe the patterns that emerge around domestic water access and use, as well as the subjective lived experiences of water insecurity including risk perceptions, and the daily work and hydro-social relationships involved in accessing water from various sources. I found that Newtok residents haul water in limited amounts from a multitude of sources, both treated and untreated, throughout the year...
June 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634805/comparative-prevalence-of-escherichia-coli-carrying-virulence-genes-and-class-1-and-2-integrons-in-sub-tropical-and-cool-temperate-freshwater
#2
Jatinder P S Sidhu, Paul Jagals, Amy Smith, Simon Toze
Aquatic environments are now recognized secondary habitat of potentially pathogenic Escherichia coli. In this study, PCR-based analyses were used to determine the phylogenetic composition and frequency of occurrence of eight clinically significant virulence genes (VGs) in E. coli isolates from sub-tropical Brisbane and cool temperate Tasmania freshwater in Australia. In Brisbane, non-commensal E. coli isolates belonging to the B2 and D phylogenetic group were dominant (72%). A significantly higher number (P < 0...
June 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634804/biocontrol-of-the-wheat-pathogen-zymoseptoria-tritici-using-cyclic-lipopeptides-from-bacillus-subtilis
#3
Samara Mejri, Ali Siah, François Coutte, Maryline Magnin-Robert, Béatrice Randoux, Benoit Tisserant, François Krier, Philippe Jacques, Philippe Reignault, Patrice Halama
Innovation toward ecofriendly plant protection products compatible with sustainable agriculture and healthy food is today strongly encouraged. Here, we assessed the biocontrol activity of three cyclic lipopeptides from Bacillus subtilis (mycosubtilin, M; surfactin, S; fengycin, F) and two mixtures (M + S and M + S + F) on wheat against Zymoseptoria tritici, the main pathogen on this crop. Foliar application of these biomolecules at a 100-mg L(-1) concentration on the wheat cultivars Dinosor and Alixan, 2 days before fungal inoculation, provided significant reductions of disease severity...
June 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634803/a-method-for-reducing-environmental-pollution-by-using-essential-oils-in-rodent-pest-management-program
#4
Goran Jokić, Tanja Blažić, Rada Đurović-Pejčev, Tijana Đorđević, Suzana Đedović, Marina Vukša
Strong-smelling plant extracts, such as essential oils, have a variety of feeding effects on mammals. Considering current concerns over long-term health issues and environmental effects of chemicals, plant-based products with repellent or antifungal activities may represent good solutions for improvement of rodent pest control programs. The present study was therefore focused on examining the effects of bergamot, lavender, and thyme essential oils as additional bait components on daily intakes of cereal-based baits by wild house mice...
June 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634802/alkaline-treated-sawdust-as-an-effective-material-for-cationic-dye-removal-from-textile-effluents-under-dynamic-conditions-breakthrough-curve-prediction-and-mechanism-exploration
#5
Ahmed Amine Azzaz, Salah Jellali, Rahma Souissi, Karim Ergaieg, Latifa Bousselmi
This paper deals with the methylene blue molecule (MB) removal from synthetic and real textile wastewaters by alkali-treated orange tree sawdust (ATOS) under different dynamic conditions. Experimental results showed that MB removal efficiencies by ATOS increased when increasing initial dye concentrations and bed depths but decreased with the increase of the applied flow rates with a maximum adsorption capacity of about 110 mg g(-1). Moreover, various empirical models were applied to predict the experimental breakthrough curves (BTCs) and to determine the characteristic adsorption parameters...
June 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634801/ameliorating-soil-acidity-and-physical-properties-of-two-contrasting-texture-ultisols-with-wastewater-sludge-biochar
#6
Yutong Zong, Yefeng Wang, Ye Sheng, Chengfeng Wu, Shenggao Lu
The production of biochar is a safe and beneficial disposal way for wastewater sludge. The biochar produced from wastewater sludge can be used as soil amendments for improving soil properties and for increasing crop yield. This work investigated the influences of wastewater sludge biochar (WSB) on the pH, exchangeable acidity, and physical properties of strongly acidic Ultisols with contrasting texture (clayey soil and sandy loam). Two soils were mixed with WSB at the rate of 0, 10, 20, and 40 g biochar kg(-1) soil and incubated for 240 days at 75% field water capacity...
June 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634800/impact-of-chemical-leaching-on-permeability-and-cadmium-removal-from-fine-grained-soils
#7
Zhongbing Lin, Renduo Zhang, Shuang Huang, Kang Wang
The aim of this study was to investigate the influence of chemical leaching on permeability and Cd removal from fine-grained polluted soils. Column leaching experiments were conducted using two types of soils (i.e., artificially Cd-polluted loam and historically polluted silty loam). Chemical agents of CaCl2, FeCl3, citric acid, EDTA, rhamnolipid, and deionized water were used to leach Cd from the soils. Results showed that organic agents reduced permeability of both soils, and FeCl3 reduced permeability of loam soil, compared with inorganic agents and deionized water...
June 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634799/assessment-of-heat-inactivated-marine-aspergillus-flavus-as-a-novel-biosorbent-for-removal-of-cd-ii-hg-ii-and-pb-ii-from-water
#8
Mohamed E Mahmoud, Gehan M El Zokm, Aida E M Farag, Mohamed S Abdelwahab
A novel marine fungus was isolated and classified as Aspergillus flavus strain EGY11. The heat-inactivated form of isolated Aspergillus flavus was investigated and evaluated as a new eco-friendly and highly efficient biosorbent for removal of toxic heavy metals such as Cd(II), Hg(II), and Pb(II) from aqueous solutions. The SEM morphological studies of biosorbent-loaded metal ions confirmed their direct binding on the surface of heat-inactivated Aspergillus flavus. The metal biosorption capacity values were determined and optimized by the batch technique in the presence of various experimental controlling factors such as pH, contact time, biosorbent dosage, initial metal ion concentration, and coexisting species...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634798/value-of-biochars-from-miscanthus-x-giganteus-cultivated-on-contaminated-soils-to-decrease-the-availability-of-metals-in-multicontaminated-aqueous-solutions
#9
Adeline Janus, Aurélie Pelfrêne, Karin Sahmer, Sophie Heymans, Christophe Deboffe, Francis Douay, Christophe Waterlot
The objective of this study was to evaluate the sorption efficiency of eight biochars, made from Miscanthus x giganteus cultivated on contaminated agricultural soil, in aqueous solutions contaminated with metals alone or mixed with polycyclic aromatic hydrocarbons. These biochars were produced in different pyrolysis conditions (temperature, 400/600 °C; heating rate, 5/10 °C min(-1); duration, 45/90 min) and compared with an uncontaminated commercialized biochar made of wood. The physicochemical characterization of the Miscanthus biochars confirmed the impact of the pyrolysis on the biochar parameters with substantial differences between the biochars in terms of pH, cation exchange capacity, and specific surface area...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634797/distribution-transfer-and-health-risks-of-polycyclic-aromatic-hydrocarbons-pahs-in-soil-wheat-systems-of-henan-province-a-typical-agriculture-province-of-china
#10
Jinglan Feng, Xiaoying Li, Jiahui Zhao, Jianhui Sun
In order to investigate the distribution, transfer, and human health risks of polycyclic aromatic hydrocarbons (PAHs) in the soil-wheat systems, soil samples from 20 farmlands and corresponding wheat tissues were collected from selected regions of Henan Province in June 2013 and were analyzed to estimate the concentration of PAHs. The total concentrations of 15 PAHs (∑15 PAHs) in soils from Henan Province varied from 6.91 to 72.4 ng/g. Moreover, two-ring to three-ring PAHs (1.59-29.1 ng/g) were the major species in soils, occupying 56...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634796/effects-of-perfluorooctanoic-acid-and-perfluorooctane-sulfonate-on-acute-toxicity-superoxide-dismutase-and-cellulase-activity-in-the-earthworm-eisenia-fetida
#11
Zuoqing Yuan, Jianyong Zhang, Lili Zhao, Jing Li, Hongbin Liu
Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) are the two best-known perfluorinated chemicals and have received much attention due to their ubiquity in the environment. In the present study, we evaluated the effects of PFOS and PFOA on acute toxicity, superoxide dismutase (SOD), and cellulase activities in Eisenia fetida. The results of acute toxicity testing using a filter paper contact test and a natural field soil test showed that PFOA and PFOS exhibited acute toxicity in earthworms, and the toxic effect of PFOS was greater than that of PFOA...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634795/high-toxicity-of-camphene-and-%C3%AE-elemene-from-wedelia-prostrata-essential-oil-against-larvae-of-spodoptera-litura-lepidoptera-noctuidae
#12
Giovanni Benelli, Marimuthu Govindarajan, Mohamad S AlSalhi, Sandhanasamy Devanesan, Filippo Maggi
The development of eco-friendly biopesticides in the fight against agricultural pests is an important challenge nowadays. The essential oil of Wedelia prostrata Hemsl. is known for its multipurpose biological activities in Chinese folk medicine. However, limited efforts attempted to understand the potential insecticidal activity of its main individual constituents and related mechanism of action. In this research, we investigated the insecticidal activity of W. prostrata against the crop pest Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae)...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634794/evaluation-in-situ-of-genotoxicity-and-stress-in-south-american-common-toad-rhinella-arenarum-in-environments-related-to-fluorite-mine
#13
Favio E Pollo, Pablo R Grenat, Zulma A Salinas, Manuel A Otero, Nancy E Salas, Adolfo L Martino
Little attention has been paid to the impact of wastewater generated by mining activities on fluoride. In this study, we evaluated the hematology responses of common South American toad Rhinella arenarum inhabiting natural and artificial environments associated with a fluorite mine from central Argentina. We analyzed three sampling stations associated with the fluorite mine: (I) Los Cerros Negros stream (CN), which runs on granitic rock with a high fluorite content; (II) Los Vallecitos stream (LV), which runs on metamorphic rock with low fluorite content; and (III) artificial decantation ponds (DP) containing sediments produced by fluorite flotation process...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634793/arsenic-sorption-by-red-mud-modified-biochar-produced-from-rice-straw
#14
Chuan Wu, Liu Huang, Sheng-Guo Xue, Yu-Ying Huang, William Hartley, Meng-Qian Cui, Ming-Hung Wong
Red mud-modified biochar (RM-BC) has been produced to be utilized as a novel adsorbent to remove As because it can effectively combine the beneficial features of red mud (rich metal oxide composition and porous structure) and biochar (large surface area and porous structure properties). SEM-EDS and XRD analyses demonstrated that red mud had loaded successfully on the surface of biochar. With the increasing of pH in solution, arsenate (As(V)) adsorption on RM-BC decreased while arsenite (As(III)) increased. Arsenate adsorption kinetics process on RM-BC fitted the pseudo-second-order model, while that of As(III) favored the Elovich model...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634792/impairments-of-cadmium-on-vitellogenin-accumulation-in-the-hepatopancreas-of-freshwater-crab-sinopotamon-henanense
#15
Jian Yang, Hui Sun, Yu Qian, Jie Yang
During ovary maturation of crabs, vitellogenin (Vg), a precursor molecule of vitellin (Vn) needed for embryogenesis, can be produced in large quantities in the hepatopancreas and then transported to the ovary by the hemolymph. In the present study, effects of Cd on Vg accumulation in the hepatopancreas and Vg transportation of the freshwater crab Sinopotamon henanense were investigated. We also studied the impacts of Cd on the mRNA expression of genes involved in energy metabolism, protein metabolism, and metallothionein (MT) and glutathione (GSH) synthesis...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634791/erratum-to-toxic-potential-of-the-emerging-contaminant-nicotine-to-the-aquatic-ecosystem
#16
Ana Lourdes Oropesa, António Miguel Floro, Patrícia Palma
No abstract text is available yet for this article.
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28631127/toxicity-of-cypermethrin-on-the-embryo-and-larvae-of-gangetic-mystus-mystus-cavasius
#17
Md Haider Ali, Kizar Ahmed Sumon, Marin Sultana, Harunur Rashid
The objective of the present study was to elucidate the effects of cypermethrin on the embryo and the larvae of Gangetic mystus, Mystus cavasius. Therefore, fertilized eggs (n = 100) and 1-day-old larvae (n = 100) were exposed to six different concentrations of cypermethrin (0, 2, 4, 8, 16 and 32 μg L(-1)) in each of the 18 plastic bowls. Each of the treatment and control was maintained in three replicates. The LC10 and LC50 values for Gangetic mystus embryos and larvae were calculated using probit analysis...
June 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28631126/a-comparative-study-of-hospital-admissions-for-respiratory-diseases-during-normal-and-dusty-days-in-iran
#18
Sahar Geravandi, Pierre Sicard, Yusef Omidi Khaniabadi, Alessandra De Marco, Ali Ghomeishi, Gholamreza Goudarzi, Mohammad Mahboubi, Ahmad Reza Yari, Sina Dobaradaran, Ghasem Hassani, Mohammad Javad Mohammadi, Shahram Sadeghi
During the last century, most of people around the world moved from communicable to non-communicable diseases, mainly due to air pollution. Air pollutants and dust storm increase risk of morbidity, for cardiovascular and respiratory diseases, and increase the number of deaths. The city of Ahvaz is considered as the focal point of air pollution and dust storm in Iran. The aim of this study was to determine the number of Hospital Admission Respiratory Disease (HARD) including asthma attacks, acute bronchitis and chronic obstructive pulmonary disease attributed to PM10 by a descriptive study during normal and dust event days in Ahvaz during the time period 2010-2012...
June 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28631125/upgraded-modified-forms-of-bituminous-coal-for-the-removal-of-safranin-t-dye-from-aqueous-solution
#19
Mohamed Shaban, Mostafa R Abukhadra, Mohamed G Shahien, Aftab Aslam Parwaz Khan
Natural bituminous coal was used as a precursor in the synthesis of different modified products. The modification of coal was performed by treating it with nitric acid (N-coal), coating its surface by zinc oxide nanoparticles (Z-coal), and converting it into porous graphite (PG). The effect of modification processes on the structures, morphologies, and optical properties was followed by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectrum (FT-IR), and UV/VIS spectrophotometer analysis...
June 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28631124/toxicity-evaluation-of-cypermethrin-glyphosate-and-malathion-on-two-indigenous-zooplanktonic-species
#20
Carlos Vicente Garza-León, Mario Alberto Arzate-Cárdenas, Roberto Rico-Martínez
In Aguascalientes, Mexico, there is a special concern about pesticides because of their intensive use on guava production areas, which are located in the vicinity of water reservoirs; thus, non-target organisms could be exposed. Thereafter, the aim of this work was to assess the effect of cypermethrin, Faena® (glyphosate), and malathion, which are the most used pesticides in Aguascalientes' guava production, on the indigenous freshwater species Alona guttata (cladoceran) and Lecane papuana (rotifer). Acute 48-h toxicity tests were carried out, and LC50 values were calculated...
June 19, 2017: Environmental Science and Pollution Research International
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