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Environmental Science and Pollution Research International

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https://www.readbyqxmd.com/read/29333572/possible-protective-effect-of-the-algae-spirulina-against-nephrotoxicity-induced-by-cyclosporine-a-and-or-gamma-radiation-in-rats
#1
Maha M Aziz, Nihad I Eid, Ahmed S Nada, Nour El-Din Amin, Afaf A Ain-Shoka
The present study was conducted to evaluate the possible protective role of the algae spirulina (Sp) against nephrotoxicity and oxidative stress which are the main secondary effects induced by the immunosuppressant drug CSA and/or ionizing radiation. In this study, male rats were given Sp (1 g/kg) either for 15 days before irradiation (6.5 Gy) or 5 days before and 10 days concomitant with CSA (25 mg/kg). Markers used to assess renal injury included serum creatinine, urea, glucose, albumin, protein, and lipid profile as well as kidney content of reduced glutathione (GSH); lipid peroxidation (thiobarbituric acid reactive substances (TBARS)); nitrite and superoxide dismutase (SOD) activity...
January 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29333571/diurnal-variations-in-personal-care-products-in-seawater-and-mussels-at-three-mediterranean-coastal-sites
#2
Marina Picot-Groz, Hélène Fenet, Maria Jesus Martinez Bueno, David Rosain, Elena Gomez
The presence of personal care products (PCPs) in the marine environment is of major concern. PCPs, UV filters, and musks can enter the marine environment indirectly through wastewater or directly via recreational activities. We conducted this study to document patterns in the occurrence of seven PCPs at three coastal sites impacted by recreational activities during 1 day. The study focused on diurnal variations in these seven PCPs in seawater and indigenous mussels. In seawater, UV filters showed diurnal variations that mirrored variations in recreational activities at the sites...
January 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29333570/professional-quality-of-life-wellness-education-and-coping-strategies-among-emergency-physicians
#3
Dalia A El-Shafei, Amira E Abdelsalam, Rehab A M Hammam, Hayam Elgohary
Professional quality of life (ProQOL) is affected by and affects professional well-being and performance. The objectives of this study are to identify risk factors of ProQOL among EM physicians in Zagazig University hospitals (ZUHs), to detect the relationship between ProQOL and coping strategies, and to measure the implication of the Worksite Wellness Education (WWE) program on improving knowledge skills, ProQOL, and coping. An intervention study was conducted among 108 EM physicians at ZUHs through two stages: assessing ProQOL subscales (CS, BO, and STS) and coping strategies and conducting the WWE program...
January 14, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29333569/an-integrated-fuzzy-based-advanced-eutrophication-simulation-model-to-develop-the-best-management-scenarios-for-a-river-basin
#4
Rallapalli Srinivas, Ajit Pratap Singh
Assessment of water quality status of a river with respect to its discharge has become prerequisite to sustainable river basin management. The present paper develops an integrated model for simulating and evaluating strategies for water quality management in a river basin management by controlling point source pollutant loadings and operations of multi-purpose projects. Water Quality Analysis and Simulation Program (WASP version 8.0) has been used for modeling the transport of pollutant loadings and their impact on water quality in the river...
January 14, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332280/hydrogeochemical-processes-and-influence-of-seawater-intrusion-in-coastal-aquifers-south-of-chennai-tamil-nadu-india
#5
G Kanagaraj, L Elango, S G D Sridhar, G Gowrisankar
Seawater intrusion promotes the salinity of groundwater, and it poses a great environmental impact on a global scale. The present study was carried out to determine the hydrogeochemical processes and influence of seawater intrusion in the coastal aquifers using geophysical, geochemical, and stable isotope techniques. The true resistivity value ranges from 0.5 to 8008.5 Ω-m which has been measured using vertical electrical sounding (VES) based on the Schlumberger method. About 33 groundwater samples were collected during post-monsoon (POM) (January 2012) and pre-monsoon (PRM) (June 2012) seasons from open and bore wells and were analyzed for major ions and stable isotopes...
January 14, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332279/ecotoxicity-thresholds-for-ametryn-diuron-hexazinone-and-simazine-in-fresh-and-marine-waters
#6
Michael St J Warne, Olivia King, Rachael A Smith
Triazine and urea herbicides are two groups of photosystem II inhibiting herbicides frequently detected in surface, ground and marine waters. Yet, there are few water quality guidelines for herbicides. Ecotoxicity thresholds (ETs) for ametryn, hexazinone and simazine (triazine herbicides) and diuron (a urea herbicide) were calculated using the Australian and New Zealand method for deriving guideline values to protect fresh and marine ecosystems. Four ETs were derived for each chemical and ecosystem that should theoretically protect 99, 95, 90 and 80% of species (i...
January 14, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332278/exposure-to-nanoscale-and-microscale-particulate-air-pollution-prior-to-mining-development-near-a-northern-indigenous-community-in-qu%C3%A3-bec-canada
#7
Avik J Ghoshdastidar, Zhenzhong Hu, Yevgen Nazarenko, Parisa A Ariya
This study serves as a baseline characterization of indoor and outdoor air quality in a remote northern indigenous community prior to the start of a major nearby mining operation, including measurements of nanoparticles, which has never been performed in this context before. We performed aerosol sample collection and real-time aerosol measurements at six different locations at the Cree First Nation of Waswanipi and the Montviel campsite, located 45 km west of the Cree First Nation of Waswanipi, in the south of the Nord-du-Québec region...
January 14, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332277/efficient-degradation-of-triclosan-by-an-endophytic-fungus-penicillium-oxalicum-b4
#8
Hao Tian, Yan Jun Ma, Wan Yi Li, Jian Wen Wang
Triclosan (TCS), a widely used antimicrobial and preservative agent, is an emerging contaminant in aqueous and soil environment. Microbial degradation of TCS has not been reported frequently because of its inhibition of microbe growth. To explore the new microbial resources for TCS biodegradation, fungal endophytes were isolated and screened for the degradation potential. The endophytic strain B4 isolated from Artemisia annua L. showed higher degradation efficiency and was identified as Penicillium oxalicum based on its morphology and ITS sequences of ribosomal DNA...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332276/variability-and-reliability-of-pop-concentrations-in-multiple-breast-milk-samples-collected-from-the-same-mothers
#9
Risa Kakimoto, Masayoshi Ichiba, Akiko Matsumoto, Kunihiko Nakai, Nozomi Tatsuta, Miyuki Iwai-Shimada, Momoko Ishiyama, Noriko Ryuda, Takashi Someya, Ieyasu Tokumoto, Daisuke Ueno
Risk assessment of infant using a realistic persistent organic pollutant (POP) exposure through breast milk is essential to devise future regulation of POPs. However, recent investigations have demonstrated that POP levels in breast milk collected from the same mother showed a wide range of variation daily and monthly. To estimate the appropriate sample size of breast milk from the same mother to obtain reliable POP concentrations, breast milk samples were collected from five mothers living in Japan from 2006 to 2012...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332274/callitriche-cophocarpa-water-starwort-proteome-under-chromate-stress-evidence-for-induction-of-a-quinone-reductase
#10
Paweł Kaszycki, Aleksandra Dubicka-Lisowska, Joanna Augustynowicz, Barbara Piwowarczyk, Wojciech Wesołowski
Chromate-induced physiological stress in a water-submerged macrophyte Callitriche cophocarpa Sendtn. (water starwort) was tested at the proteomic level. The oxidative stress status of the plant treated with 1 mM Cr(VI) for 3 days revealed stimulation of peroxidases whereas catalase and superoxide dismutase activities were similar to the control levels. Employing two-dimensional electrophoresis, comparative proteomics enabled to detect five differentiating proteins subjected to identification with mass spectrometry followed by an NCBI database search...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332273/pollution-and-ecological-risk-assessment-of-nutrients-associated-with-deposited-sediments-collected-from-roof-and-road-surfaces
#11
Xiao Wu, Jianghua Yu, Hui Qiu, Hua Fang
Surface-deposited sediment in urban areas is an essential environmental medium for assessing nutrient contamination. The total nitrogen (TN) and total phosphorus (TP) pollution associated with surface-deposited sediments can be transported into urban water bodies by runoff and can cause eutrophication of those water bodies. By analyzing the samples collected on roof surfaces and road surfaces, this study provides a comparison of the differences in TN and TP pollution loading in sediments on these two different impervious surface materials...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332272/comparative-study-of-selenium-and-selenium-nanoparticles-with-reference-to-acute-toxicity-biochemical-attributes-and-histopathological-response-in-fish
#12
Neeraj Kumar, Kishore Kumar Krishnani, Narendra Pratap Singh
Recent studies have demonstrated that selenium (Se) and selenium nanoparticles (Se-NPs) exhibited toxicity at a higher concentration. The lethal concentration of Se and Se-NPs was estimated as 5.29 and 3.97 mg/L at 96 h in Pangasius hypophthalmus. However, the effect of different definite concentration of Se (4.5, 5.0, 5.5, and 6.0 mg/L) and Se-NPs (2.5, 3.0, 3.5, and 4.0 mg/L) was decided for acute experiment. Selenium and Se-NPs alter the biochemical attributes such as anti-oxidative status [catalase (CAT), superoxide dismutase (SOD), and glutathione-S-transferase (GST) activities], neurotransmitter enzyme, cellular metabolic enzymes, stress marker, and histopathology of P...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332271/biodegradation-of-plastics-current-scenario-and-future-prospects-for-environmental-safety
#13
Temoor Ahmed, Muhammad Shahid, Farrukh Azeem, Ijaz Rasul, Asad Ali Shah, Muhammad Noman, Amir Hameed, Natasha Manzoor, Irfan Manzoor, Sher Muhammad
Plastic is a general term used for a wide range of high molecular weight organic polymers obtained mostly from the various hydrocarbon and petroleum derivatives. There is an ever-increasing trend towards the production and consumption of plastics due to their extensive industrial and domestic applications. However, a wide spectrum of these polymers is non-biodegradable with few exceptions. The extensive use of plastics, lack of waste management, and casual community behavior towards their proper disposal pose a significant threat to the environment...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330822/biochemical-changes-in-mussels-submitted-to-different-time-periods-of-air-exposure
#14
Madalena Andrade, Amadeu Soares, Etelvina Figueira, Rosa Freitas
Intertidal species face multiple stressors on a daily basis due to their particular habitat. The submergence at high tide in the aquatic environment and emergence at low tide to the aerial environment, associated with a wide variation of abiotic parameters, along with anthropogenic contamination are some of the daily stresses that these organisms are exposed to. With such a dynamic environment, organisms developed strategies that allow them to avoid or tolerate these stressors. Among these species, bivalves are some of the most hypoxia tolerant, being commonly used as a biomonitoring tool due to their capacity to accumulate pollutants from the environment and reflect the imposed toxic impacts...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330821/effects-of-ferrous-sulfate-amendment-and-water-management-on-rice-growth-and-metal-loid-accumulation-in-arsenic-and-lead-co-contaminated-soil
#15
Lina Zou, Shu Zhang, Dechao Duan, Xinqiang Liang, Jiyan Shi, Jianming Xu, Xianjin Tang
Arsenic (As) and lead (Pb) commonly co-exist with high concentrations in paddy soil mainly due to human activities in south of China. This study investigates the effect of ferrous sulfate (FeSO4) amendment and water management on rice growth and arsenic (As) and lead (Pb) accumulation in rice plants. A paddy soil co-contaminated with As and Pb was chosen for the pot experiment with three FeSO4 levels (0, 0.25, and 1%, on a dry weight basis) and two water managements (flooded, non-flooded). The concentrations of As and Pb in iron plaques and rice plants were determined...
January 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330820/effect-of-ion-exchange-on-the-rate-of-aerobic-microbial-oxidation-of-ammonium-in-hyporheic-zone-sediments
#16
Ailan Yan, Chongxuan Liu, Yuanyuan Liu, Fen Xu
Microbially mediated ammonium oxidation is a major process affecting nitrogen transformation and cycling in natural environments. This study investigated whether ion exchange process can affect microbially mediated aerobic oxidation of ammonium in a hyporheic zone (HZ) sediments from the Columbia River at US Department of Energy's Hanford site, Washington State. Experiments were conducted using synthetic groundwater and river water to investigate their effect on ammonium oxidation. Results indicated that ammonium sorption through ion exchange reactions decreased the rate of ammonium oxidation, apparently resulting from the influence of the ion exchange on dissolved ammonium concentration, thus decreasing the bioavailability of ammonium for microbial oxidation...
January 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330819/preparation-of-a-synthetic-seed-for-the-common-reed-harboring-an-endophytic-bacterium-promoting-seedling-growth-under-cadmium-stress
#17
Ting Gao, Xianyang Shi
Bacterial seed endophytes can facilitate germination and early plant development. Therefore, the introduction of seed-borne endophytes may improve selected plant characteristics across generations. In this study, regenerated plantlets of common reed (Phragmites australis) were inoculated with activated sludge to obtain a specific functional endophytic bacterium. Denaturing gradient gel electrophoresis demonstrated that abundant endophytic bacteria could be enriched in the roots. A siderophore-producing endophytic bacterium was isolated from the roots and identified as Herbaspirillum frisingense RE3-3 based on 16S rRNA sequences...
January 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330818/trace-elements-in-four-freshwater-fish-from-a-mine-impacted-river-spatial-distribution-species-specific-accumulation-and-risk-assessment
#18
Yuyu Jia, Lin Wang, Junfei Cao, Shan Li, Zhaoguang Yang
The concentrations of 16 elements (Mg, Al, Ca, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Sr, Cd, Ba, and Pb) were determined in four fish species (Carassius auratus, Squaliobarbus curriculus, Pelteobagrus fulvidraco, and Silurus asotus) collected in the Xiang River, a mine-impacted river in Southern China. The mean values of the elements analyzed in fish muscles were in the decreasing order of Mg > Ca > Zn > Fe > Sr > Al > Cu > Mn > Ba > As > Cr > Pb > Ni > V > Co > Cd...
January 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330817/effect-of-levofloxacin-pazufloxacin-enrofloxacin-and-meloxicam-on-the-immunolocalization-of-abcg-2-transporter-protein-in-rabbit-retina
#19
Adil Mehraj Khan, Satyavan Rampal, Naresh Kumar Sood
Adenosine triphosphate-binding cassette (ABC) sub-family G member-2 (ABCG-2) is a transporter protein, implicated for multi-drug efflux from tissues. This study evaluated the effect of fluoroquinolones; levofloxacin, pazufloxacin and enrofloxacin, and non-steroidal anti-inflammatory drug, meloxicam; on the immunolocalization of ABCG-2 transporter protein of rabbit retinas. Thirty-two male rabbits were randomly divided in to eight groups. Control group was gavaged, 2% benzyl alcohol in 5% dextrose since these chemicals are excipients of the drug preparations used in the treatment groups of this study...
January 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330816/testing-the-role-of-external-debt-in-environmental-degradation-empirical-evidence-from-turkey
#20
Salih Katircioglu, Aysem Celebi
This study investigates the role of external debt stock in Turkey, which has suffered from heavy (external and domestic) debt stock for many years. Annual data from 1960 to 2013 was analyzed using time series analysis in order to study this. The results confirm the validity of the conventional environmental Kuznets curve (EKC) in the case of Turkey. However, this study also found that Turkey's external debt stock did not influence the Turkish economy's long-term EKC behavior. Fortunately, the results suggest that there are important interactions among external debt stock, CO2 emissions, energy consumption, and real income; that is, changes in external debt volume precede changes in these aggregates' volumes...
January 12, 2018: Environmental Science and Pollution Research International
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