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Environmental Science and Pollution Research International

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https://www.readbyqxmd.com/read/28721626/fate-of-antimicrobial-resistance-genes-in-response-to-application-of-poultry-and-swine-manure-in-simulated-manure-soil-microcosms-and-manure-pond-microcosms
#1
Mianzhi Wang, Yongxue Sun, Peng Liu, Jing Sun, Qin Zhou, Wenguang Xiong, Zhenling Zeng
This study aimed to determine the occurrence, abundance, and fate of nine important antimicrobial resistance genes (ARGs) (sul1, sul2, tetB, tetM, ermB, ermF, fexA, cfr, and Intl1) in the simulated soil and pond microcosms following poultry and swine manure application. Absolute quantitative PCR method was used to determine the gene copies. The results were modeled as a logarithmic regression (N = mlnt + b) to explore the fate of target genes. Genes sul1, Intl1, sul2, and tetM had the highest abundance following the application of the two manure types...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721625/key-indicator-tools-for-shallow-slope-failure-assessment-using-soil-chemical-property-signatures-and-soil-colour-variables
#2
Rashidi Othman, Shah Irani Hasni, Zainul Mukrim Baharuddin, Khairusy Syakirin Has-Yun Hashim, Lukman Hakim Mahamod
Slope failure has become a major concern in Malaysia due to the rapid development and urbanisation in the country. It poses severe threats to any highway construction industry, residential areas, natural resources and tourism activities. The extent of damages that resulted from this catastrophe can be lessened if a long-term early warning system to predict landslide prone areas is implemented. Thus, this study aims to characterise the relationship between Oxisols properties and soil colour variables to be manipulated as key indicators to forecast shallow slope failure...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721624/on-the-successful-use-of-a-simplified-model-to-simulate-the-succession-of-toxic-cyanobacteria-in-a-hypereutrophic-reservoir-with-a-highly-fluctuating-water-level
#3
Ali Fadel, Bruno J Lemaire, Brigitte Vinçon-Leite, Ali Atoui, Kamal Slim, Bruno Tassin
Many freshwater bodies worldwide that suffer from harmful algal blooms would benefit for their management from a simple ecological model that requires few field data, e.g. for early warning systems. Beyond a certain degree, adding processes to ecological models can reduce model predictive capabilities. In this work, we assess whether a simple ecological model without nutrients is able to describe the succession of cyanobacterial blooms of different species in a hypereutrophic reservoir and help understand the factors that determine these blooms...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721623/influence-of-dissolved-organic-matter-and-oil-on-the-biosorption-of-btex-by-macroalgae-in-single-and-multi-solute-systems
#4
Mayra Cecilia Rodriguez-Hernandez, Carlos E Flores-Chaparro, Jose Rene Rangel-Mendez
The effect of dissolved organic matter (DOM) and oil on the removal of the water-soluble compounds benzene, toluene, ethylbenzene, and xylene isomers (BTEX) by two low-cost biosorbents Macrocystis pyrifera and Ulva expansa) was evaluated. DOM decreased the adsorption capacity of toluene, ethylbenzene, and xylenes of the two biosorbents. In contrast, the removal of benzene increased under the same conditions in single and multi-solute systems: this effect was dominant in U. expansa biomass treatments. In the presence of DOM and oil in solutions, the removal of BTEX notoriously increased, being oil that contributed the most...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721622/influence-of-selected-cyclodextrins-in-sorption-desorption-of-chlorpyrifos-chlorothalonil-diazinon-and-their-main-degradation-products-on-different-soils
#5
María E Báez, Jeannette Espinoza, Ricardo Silva, Edwar Fuentes
Cyclodextrins (CDs) can improve the apparent solubility and bioavailability of a variety of organic compounds through the formation of inclusion complexes; accordingly, they are suitable for application in innovative remediation technologies of contaminated soils. However, the different interactions in the tertiary system CD/contaminant/soil matrix can affect the bioavailability of the inclusion complex through the possible sorption of CD and CD complex in the soil matrix, as well as with the potential of the sorbed CD to form the complex, concurrent with the desorption processes...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721621/tolerance-of-japanese-knotweed-s-l-to-soil-artificial-polymetallic-pollution-early-metabolic-responses-and-performance-during-vegetative-multiplication
#6
Serge Michalet, Soraya Rouifed, Thomas Pellassa-Simon, Manon Fusade-Boyer, Guillaume Meiffren, Sylvie Nazaret, Florence Piola
The expansion of invasive Japanese knotweed s.l. is of particular concern because of its aptitudes to rapidly colonize diverse environments, especially anthropized habitats generally characterized by their pollution with heavy metals. Whether the presence of heavy metals impacts the performance traits of this plant is a central question to better understand its invasive properties, though no controlled approach to assess these effects was yet reported. In this aim, we undertook greenhouse experiments where rhizome fragments of Japanese knotweed s...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721620/methane-biofiltration-in-the-presence-of-ethanol-vapor-under-steady-and-transient-state-conditions-an-experimental-study
#7
Milad Ferdowsi, Antonio Avalos Ramirez, Joseph Peter Jones, Michèle Heitz
Methane (CH4) removal in the presence of ethanol vapors was performed by a stone-based bed and a hybrid packing biofilter in parallel. In the absence of ethanol, a methane removal efficiency of 55 ± 1% was obtained for both biofilters under similar CH4 inlet load (IL) of 13 ± 0.5 gCH4 m(-3) h(-1) and an empty bed residence time (EBRT) of 6 min. The results proved the key role of the bottom section in both biofilters for simultaneous removal of CH4 and ethanol. Ethanol vapor was completely eliminated in the bottom sections for an ethanol IL variation between 1 and 11 gethanol m(-3) h(-1)...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721619/measurements-of-%C3%AE-and-%C3%AE-hexachlorocyclohexane-in-juglans-regia-and-prunus-spinosa-trees-in-a-contaminated-area-central-italy
#8
Sabrina Battisti, Carlo Boselli, Alessandro Ubaldi, Cristina Roffi Isabelli, Tabita Mauti, Ugo Della Marta, Paola Scaramozzino
Vegetables play an important role in the human diet, and the transfer of toxic contaminants from the soil to plants has been little studied for most tree species and their edible portions. In an area affected by hexachlorocyclohexane (HCH) contamination, in the Sacco River Valley (central Italy), measurements of β- and α-HCH isomers were made on different parts of two tree species: Juglans regia and Prunus spinosa. Concentrations were analysed in roots, branches, leaves, fruits, and seeds. A spatial evaluation of the results highlighted an inverse association of contamination with distance from the river, which is the main route of transport in the environment...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721618/biological-nanopesticides-a-greener-approach-towards-the-mosquito-vector-control
#9
Prabhakar Mishra, Brij Kishore Tyagi, Natarajan Chandrasekaran, Amitava Mukherjee
Mosquitoes, being a vector for some potentially dreadful diseases, pose a considerable threat to people all around the world. The control over the growth and propagation of mosquitoes comprises conventional pesticides, insect growth regulators and other microbial control agents. However, the usage of these common chemicals and conventional pesticides eventually has a negative impact on human health as well as the environment, which therefore becomes a major concern. The lacuna allows nanotechnology to come into action and exploit nanopesticides...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721617/effect-of-membrane-property-and-feed-water-organic-matter-quality-on-long-term-performance-of-the-gravity-driven-membrane-filtration-process
#10
Dongwhi Lee, Yuri Lee, Shin Sik Choi, Sang-Ho Lee, Kyoung-Woong Kim, Yunho Lee
This study investigated the influence of membrane property and feed water organic matter quality on the permeate flux and water quality during gravity-driven membrane (GDM) filtration. GDM filtration was continuously carried out over 500 days at hydrostatic pressure of 65 mbar in dead-end mode without any back-flushing or membrane cleaning. Three ultrafiltration (UF) membranes (PES-100 kDa, PVDF-120 kDa, and PVDF-100 kDa) and one microfiltration (MF) membrane (PTFE-0.3 μm) were tested for treating lake water with varied organic matter qualities due to algal growth...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721616/the-mining-sector-of-liberia-current-practices-and-environmental-challenges
#11
EDITORIAL
Samuel T K Wilson, Hongtao Wang, Martin Kabenge, Xuejiao Qi
Liberia is endowed with an impressive stock of mineral reserves and has traditionally relied on mining, namely iron ore, gold, and diamonds, as a major source of income. The recent growth in the mining sector has the potential to contribute significantly to employment, income generation, and infrastructure development. However, the development of these mineral resources has significant environmental impacts that often go unnoticed. This paper presents an overview of the Liberian mining sector from historical, current development, and economic perspectives...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721615/phycoremediation-potential-of-marine-microalga-tetraselmis-indica-on-secondary-treated-domestic-sewage-for-nutrient-removal-and-biodiesel-production
#12
Amit, Rajesh Chandra, Uttam Kumar Ghosh, Jagdeep Kumar Nayak
Marine microalga Tetraselmis indica (T. indica) was cultivated in secondary treated domestic sewage (STDS) in batch mode. Optimization studies showed that after 14 days of cultivation period, highest biomass yield reached was 0.88 ± 0.04 g/L at the optimum temperature of 27 ± 1 °C and light intensity of 135 μmol m(-2) s(-1). T. indica removed about 60.93% phosphate, 78.46% nitrate, 72.94% chemical oxygen demand (COD), 73.17% biological oxygen demand (BOD), 98.90% total dissolved solids (TDS) and heavy metals (83...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721614/low-doses-of-chlorpyrifos-interfere-with-spermatogenesis-of-rats-through-reduction-of-sex-hormones
#13
Dinithi Champika Peiris, Thamali Dhanushka
Use of pesticides results in indirect effects on human health. We aimed to evaluate implications of toxicological effects of subchronic chlorpyrifos exposure on reproductive function in male rats. A total of 48 adult Wistar male rats were separated into four groups (n = 12). Animals were gavaged with 2.5 mg/kg (T1), 5 mg/kg (T2), or 10 mg/kg (T3) body weight of chlorpyrifos (CPF) or distilled water (control) daily for 30 days. Organ weights, epididymal sperm parameters, DNA integrity, sex hormonal (FHS and LH) levels, and alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyl transferase (GGT), and creatinine concentrations were determined on day 31...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721613/comparative-toxicity-of-seven-rare-earth-elements-in-sea-urchin-early-life-stages
#14
Marco Trifuoggi, Giovanni Pagano, Marco Guida, Anna Palumbo, Antonietta Siciliano, Maria Gravina, Daniel M Lyons, Petra Burić, Maja Levak, Philippe J Thomas, Antonella Giarra, Rahime Oral
The widespread use of rare earth elements (REEs) in a number of technological applications raises unanswered questions related to REE-associated adverse effects. We have previously reported on the multiple impact of some REEs on the early life stages of the sea urchin Paracentrotus lividus. The present investigation was to evaluate REE toxicity to early life stages in two unrelated sea urchin species, Sphaerechinus granularis and Arbacia lixula. The comparative toxicities were tested of seven REEs, namely yttrium, lanthanum, cerium, neodymium, samarium, europium and gadolinium as chloride salts at concentrations ranging from 10(-7) to 10(-4) M...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721612/interface-effect-of-natural-precipitated-dust-on-the-normal-flora-of-escherichia-coli-and-staphylococcus-epidermidis
#15
Jianjun Deng, Faqin Dong, Qunwei Dai, Tingting Huo, Ji Ma, Xu Zhang, Jie Yang
This study aimed to evaluate the interface effect between five types of natural precipitated dust and two normal floras. Five kinds of natural dust (FC-1(#), FC-2(#), FC-15(#), FC-18(#), and FC-21(#)) were collected, and particle size and chemical components were detected by laser particle size analyzer and X-ray fluorescence (XRF). The elements, bacterial count, glucose (GLU) consumption, pH, and three biochemical indicators were measured after being co-cultured with Escherichia coli and Staphylococcus epidermidis in vitro...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28718028/predicting-attenuation-of-solar-radiation-uv-b-uv-a-and-par-in-waste-stabilization-ponds-under-sahelian-climatic-conditions
#16
Ynoussa Maiga, Joseph Wethé, Aboubakar Sidiki Ouattara, Alfred S Traoré
Because of its importance in pathogen removal and algal productivity in waste stabilization ponds, sunlight penetration was measured in microcosms and in situ under Sahelian climatic conditions. The different wavelengths were detected using a submersible radiometer equipped with three sensors: UV-B (311 nm), UV-A (369 nm) and photosynthetically available radiation (PAR, 400-700 nm). UV-B was more attenuated than UV-A and PAR. Facultative pond was more light-attenuating than maturation pond. The mean euphotic depths for UV-B were 0...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28718027/comprehensive-analysis-of-mercury-pollution-in-the-surface-riverine-sediments-in-the-haihe-basin-china
#17
Wenzhong Tang, Baoqing Shan, Yu Zhao, Xinhui Wang
The Haihe Basin extends over 318,000 km(2) or 3.3% of the total area of China, has a population of over 120 million, and is one of China's most polluted river basins. We investigated the pollution and risks from mercury (Hg) in surface riverine sediments of this basin and found that total Hg concentrations in surface sediments ranged from 0.001 to 1.05 mg/kg and averaged 0.054 mg/kg. Using the modified European Community Bureau of Reference standard method, we found that the exchangeable/acid-soluble, reducible, oxidizable, and residual fractions of Hg accounted for 9...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28718026/solid-phase-extraction-of-multi-class-pharmaceuticals-from-environmental-water-samples-onto-modified-multi-walled-carbon-nanotubes-followed-by-lc-ms-ms
#18
Bojana Lalović, Tatjana Đurkić, Marija Vukčević, Ivona Janković-Častvan, Ana Kalijadis, Zoran Laušević, Mila Laušević
In this paper, pristine and chemically treated multi-walled carbon nanotubes (MWCNTs) were employed as solid-phase extraction sorbents for the isolation and enrichment of multi-class pharmaceuticals from the surface water and groundwater, prior to liquid chromatography-tandem mass spectrometry analysis. Thirteen pharmaceuticals that belong to different therapeutical classes (erythromycin, azithromycin, sulfamethoxazole, diazepam, lorazepam, carbamazepine, metoprolol, bisoprolol, enalapril, cilazapril, simvastatin, clopidogrel, diclofenac) and two metabolites of metamizole (4-acetylaminoantipyrine and 4-formylaminoantipyrine) were selected for this study...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28718025/reduction-of-individual-or-combined-toxicity-of-fumonisin-b1-and-zearalenone-via-dietary-inclusion-of-organo-modified-nano-montmorillonite-in-rats
#19
Aziza A El-Nekeety, Ahmed A El-Kady, Khaled G Abdel-Wahhab, Nabila S Hassan, Mosaad A Abdel-Wahhab
Fusarium mycotoxins are nature environmental contaminants worldwide in animal feed and human food resulting in a serious health risk. The present study aimed to evaluate the potential role of organo-modified nano-montmorillonite (OMNM) against the health risk and the oxidative stress resulted from the exposure of fumonisin (FB1) and zearalenone (ZEN) individually and in combination in rats. Eight groups of female Sprague Dawley rats were treated orally for 3 weeks including the control group, FB1 alone-treated group (50 mg/kg b...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28718024/propositional-modification-for-the-usepa-models-for-human-exposure-assessment-on-chemicals-in-settled-dust-or-soil
#20
LETTER
Zhiguo Cao, Leicheng Zhao, Guifen Zhu, Qiaoying Chen, Guangxuan Yan, Xin Zhang, Shihua Wang, Peipei Wu, Lifang Sun, Mohai Shen, Shaowei Zhang
No abstract text is available yet for this article.
July 17, 2017: Environmental Science and Pollution Research International
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