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You searched for: Journal Chemosphere Remove constraint Journal: Chemosphere Publication Year 2018 Remove constraint Publication Year: 2018 Source 2018 v.206 Remove constraint Source: 2018 v.206
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41. GC-MS/MS determination and ecological risk assessment of pesticides in aquatic system: A case study in Hooghly River basin in West Bengal, India

Author:
Mondal, Rahul; Mukherjee, Ayan; Biswas, Subrata; Kole, Ramen Kumar
Source:
Chemosphere 2018 v.206 pp. 217-230
ISSN:
0045-6535
Subject:
DDT (pesticide); HCH (pesticide); aquatic animals; aquatic ecosystems; case studies; chlorpyrifos; drinking; environmental assessment; gas chromatography; guidelines; liquid-liquid extraction; monitoring; risk; risk assessment; river water; rivers; sediments; tandem mass spectrometry; watersheds; India
Abstract:
... A liquid-liquid extraction (LLE) for water and modified QuEChERS (quick, easy, cheap, effective, rugged, and safe) method for sediment combined with gas chromatography-tandem mass spectrometry (GC-MS/MS) detection in multiple reaction monitoring (MRM) mode was standardized for determination of 31 pesticides. Performance characteristics for the selected pesticides were acceptable according to Europ ...
DOI:
10.1016/j.chemosphere.2018.04.168

42. Geospatial analysis of residential proximity to open-pit coal mining areas in relation to micronuclei frequency, particulate matter concentration, and elemental enrichment factors

Author:
Espitia-Pérez, Lyda; Arteaga - Pertuz, Marcia; Soto, José Salvador; Espitia-Pérez, Pedro; Salcedo-Arteaga, Shirley; Pastor–Sierra, Karina; Galeano–Páez, Claudia; Brango, Hugo; da Silva, Juliana; Henriques, João A.P.
Source:
Chemosphere 2018 v.206 pp. 203-216
ISSN:
0045-6535
Subject:
DNA damage; chromium; coal; combustion; copper; cytogenetics; drilling; geographic information systems; monitoring; neoplasms; occupational exposure; particulates; pollution; risk; statistical analysis; surface mining
Abstract:
... During coal surface mining, several activities such as drilling, blasting, loading, and transport produce large quantities of particulate matter (PM) that is directly emitted into the atmosphere. Occupational exposure to this PM has been associated with an increase of DNA damage, but there is a scarcity of data examining the impact of these industrial operations in cytogenetic endpoints frequency ...
DOI:
10.1016/j.chemosphere.2018.04.049

43. Growth and recovery of zebrafish embryos after developmental exposure to raw and ozonated oil sands process-affected water

Author:
Lyons, Danielle D.; Morrison, Christie; Philibert, Danielle A.; Gamal El-Din, Mohamed; Tierney, Keith B.
Source:
Chemosphere 2018 v.206 pp. 405-413
ISSN:
0045-6535
Subject:
Danio rerio; aquatic organisms; biomarkers; biotransformation; embryo (animal); exposure duration; gene expression; genes; neurodevelopment; oil sands; organic compounds; otoliths; oxidative stress; ozonation; remediation; toxicity
Abstract:
... Due to the increasing volume of oil sands process-affect water (OSPW) and its toxicity to aquatic organisms, it is important to fully understand its effects and study remediation processes that will enable its release to the environment. Ozone treatment is currently being considered as a tool to expedite remediation, as it is known to degrade toxic organic compounds present in OSPW. In this study, ...
DOI:
10.1016/j.chemosphere.2018.05.028

44. Halomonas sp. strain A55, a novel dye decolorizing bacterium from dye-uncontaminated Rift Valley Soda lake

Author:
Guadie, Awoke; Gessesse, Amare; Xia, Siqing
Source:
Chemosphere 2018 v.206 pp. 59-69
ISSN:
0045-6535
Subject:
Halomonas; bacteria; carbon; color; correlation; decolorization; dyes; kinetics; lakes; nitrates; nitrogen; oxygen; pH; ribosomal RNA; salinity; screening; sequence analysis; sodium; textile mill effluents
Abstract:
... Considering the saline-alkaline nature of textile wastewater and treatment requirements, microbial samples were collected from Ethiopian Rift Valley Soda Lakes. A large number of bacteria (121) were isolated from dye-uncontaminated Lakes Chitu (81.0%), Abijata (15.7%) and Arenguadie (3.3%), of which 95 isolates (78.5%) were found dye decolorizer. Many dye decolorizer from Lake Chitu positively cor ...
DOI:
10.1016/j.chemosphere.2018.04.134

45. Histological investigations on thymus of male rats prenatally exposed to bisphenol A

Author:
Aydemir, Işıl; Kum, Şadiye; Tuğlu, Mehmet İbrahim
Source:
Chemosphere 2018 v.206 pp. 1-8
ISSN:
0045-6535
Subject:
adults; apoptosis; bisphenol A; blood serum; females; follicular fluid; humans; immunity; immunohistochemistry; males; placenta; rats; staining; thymus gland; urine
Abstract:
... Bisphenol A is called as a endocrine-distrupting chemical because of the its steroid-like activity and it used in the construction of plastic containing materials. It is indicated that bisphenol A can pass the human serum, urine, follicular fluid, placenta and umblical cord as a result of the use of substances containing this agent. In this study, we aimed to investigate the effects of bisphenol A ...
DOI:
10.1016/j.chemosphere.2018.04.145

46. How does free ammonia-based sludge pretreatment improve methane production from anaerobic digestion of waste activated sludge

Author:
Wang, Dongbo; Liu, Bowen; Liu, Xuran; Xu, Qiuxiang; Yang, Qi; Liu, Yiwen; Zeng, Guangming; Li, Xiaoming; Ni, Bing-Jie
Source:
Chemosphere 2018 v.206 pp. 491-501
ISSN:
0045-6535
Subject:
acetates; activated sludge; ammonia; anaerobic digestion; biodegradability; dextran; digestion; glucose; hydrogen; hydrolysis; methane production; pH
Abstract:
... Previous studies reported that free ammonia (FA) pretreatment could improve methane production from anaerobic digestion of waste activated sludge (WAS) effectively. However, details of how FA pretreatment improves methane production are poorly understood. This study therefore aims to reveal the underlying mechanisms of FA pretreatment affecting anaerobic digestion of WAS through a series of batch ...
DOI:
10.1016/j.chemosphere.2018.05.059

47. Hydrogen production from a thermophilic alkaline waste activated sludge fermenter: Effects of solid retention time (SRT)

Author:
Chen, Yun; Xiao, Keke; Shen, Nan; Zeng, Raymond J.; Zhou, Yan
Source:
Chemosphere 2018 v.206 pp. 101-106
ISSN:
0045-6535
Subject:
Actinobacteria; Clostridia; Proteobacteria; acidification; activated sludge; fermentation; fermenters; hydrogen; hydrogen production; hydrolysis; pH
Abstract:
... This study aims to investigate the effects of solid retention times (SRTs) on hydrogen production via thermophilic alkaline fermentation of waste activated sludge. The reactor was subjected to a SRT from 10 to 6 days during approximately 82 days of operation. The results revealed that SRT had minor influence on hydrolysis and hydrolysis efficiency in different phases were from 48.11% to 50.55%. Ne ...
DOI:
10.1016/j.chemosphere.2018.04.170

48. Industrial waste as a source of surface and groundwater pollution for more than half a century in a sector of the Río de la Plata coastal plain (Argentina)

Author:
Santucci, Lucía; Carol, Eleonora; Tanjal, Carolina
Source:
Chemosphere 2018 v.206 pp. 727-735
ISSN:
0045-6535
Subject:
X-ray diffraction; aquifers; coastal plains; electrical conductivity; geochemistry; groundwater; groundwater contamination; human health; industrial wastes; industry; iron oxides; jarosite; pH; pollutants; risk; scanning electron microscopes; sediments; soil; sulfates; sulfur; sulfuric acid; surface water; surveys; toxic substances; urban areas; Argentina
Abstract:
... Environmental liabilities have become one of the most important problems of the last years, especially those of contaminated sites located in urban areas which have been abandoned by pollution intensive industries. Such sites may contain hazardous materials that pose risks to human health and the environment. Industrial waste from the ancient sulfuric acid industry is scattered in a local area at ...
DOI:
10.1016/j.chemosphere.2018.05.084

49. Interference of three herbicides on iron acquisition in maize plants

Author:
Bartucca, Maria Luce; Di Michele, Alessandro; Del Buono, Daniele
Source:
Chemosphere 2018 v.206 pp. 424-431
ISSN:
0045-6535
Subject:
cell viability; copper; corn; crops; ecosystems; energy-dispersive X-ray analysis; fields; iron; manganese; metolachlor; metribuzin; phytosiderophores; plant growth; roots; scanning electron microscopes; scanning electron microscopy; terbuthylazine; weed control; zinc
Abstract:
... The use of herbicides to control weed species could lead to environmental threats due to their persistence and accumulation in the ecosystems and cultivated fields. Nonetheless, the effect of these compounds on plant mineral nutrition in crops has been barely investigated. This study aimed at ascertaining the effect of three herbicides (S-metolachlor, metribuzin and terbuthylazine) on the capacity ...
DOI:
10.1016/j.chemosphere.2018.05.040

50. Mechanism for removing 2,4-dichlorophenol via adsorption and Fenton-like oxidation using iron-based nanoparticles

Author:
Gan, Li; Li, Beibei; Guo, Mengyu; Weng, Xiulan; Wang, Ting; Chen, Zuliang
Source:
Chemosphere 2018 v.206 pp. 168-174
ISSN:
0045-6535
Subject:
2,4-dichlorophenol; Euphorbia; Fourier transform infrared spectroscopy; adsorption; gas chromatography-mass spectrometry; hydrogen peroxide; iron; leaf extracts; nanoparticles; oxidation; pH; pollutants; remediation; scanning electron microscopy; wastewater treatment
Abstract:
... In this paper, iron-based nanoparticles (Fe NPs) synthesized by Euphorbia cochinchensis leaf extract were used to remove 2,4-dichlorophenol (2,4-DCP). The possible mechanism for removing the adsorption and heterogeneous Fenton-like oxidation of 2,4-DCP was investigated. Various parameters affecting removal efficiency were tested, and the results showed that more than 83.5% of 2,4-DCP was removed w ...
DOI:
10.1016/j.chemosphere.2018.04.162

51. Membrane distillation for industrial wastewater treatment: Studying the effects of membrane parameters on the wetting performance

Author:
Damtie, Mekdimu Mezemir; Kim, Bongchul; Woo, Yun Chul; Choi, June-Seok
Source:
Chemosphere 2018 v.206 pp. 793-801
ISSN:
0045-6535
Subject:
distillation; fluorides; fouling; hydrochemistry; industrial effluents; industrial wastewater treatment; mass transfer; pH; porosity; trace elements; wastewater; water quality
Abstract:
... Substantial amounts of trace hazardous elements have been detected in industrial wastewater (e.g fluoride > 900 mg/L). Feed water characteristics, operational parameters, and membrane properties are major factors affecting flux and rejection of the MD process. Membrane parameters such as membrane material type and pore size have been investigated. Fluoride ion rejection was selected to setup a met ...
DOI:
10.1016/j.chemosphere.2018.05.070

52. Mitigation of algal organic matter released from Chaetoceros affinis and Hymenomonas by in situ generated ferrate

Author:
Deka, Bhaskar Jyoti; Jeong, Sanghyun; Alizadeh Tabatabai, S. Assiyeh; An, Alicia Kyoungjin
Source:
Chemosphere 2018 v.206 pp. 718-726
ISSN:
0045-6535
Subject:
Chaetoceros; Hymenomonas; algae; dissolved organic carbon; humic acids; iron; liquids; models; oxidation; pH; seawater; sodium alginate; sodium chloride; sodium hypochlorite; ultraviolet-visible spectroscopy; Red Sea
Abstract:
... This study demonstrates the application of in situ ferrate (Fe(VI)) for the efficient removal of dissolved algal organic matter (AOM) from seawater. Sodium hypochlorite (NaOCl) and ferric (Fe(III)) were used to produce in situ Fe(VI) by wet chemical oxidation. First, the removal efficiencies of two model AOM compounds, humic acid (HA) and sodium alginate (SA), were evaluated in the presence of sod ...
DOI:
10.1016/j.chemosphere.2018.05.052

53. Molecular aspect of silver nanoparticles regulated embryonic development in Zebrafish (Danio rerio) by Oct-4 expression

Author:
Sarkar, Biplab; Verma, Suresh K.; Akhtar, Javed; Netam, Surya Prakash; Gupta, Sanjay Kr; Panda, Pritam Kumar; Mukherjee, Koel
Source:
Chemosphere 2018 v.206 pp. 560-567
ISSN:
0045-6535
Subject:
Danio rerio; Western blotting; antibodies; chemical reduction; embryo (animal); embryogenesis; fish; fish development; growth promotion; hatching; light scattering; metabolism; models; nanosilver; tail; transmission electron microscopy; ultraviolet-visible spectroscopy
Abstract:
... With the enhancement of commercial manifestation of silver nanoparticles, concerned has risen on their accumulation in aquatic system and consequent effects on fish development and metabolism. In this study, experiments were conducted to assess the impacts of silver nanoparticles on early life cycles of fish considering Zebrafish (Danio rerio) as experimental model. Silver nanoparticles were synth ...
DOI:
10.1016/j.chemosphere.2018.05.018

54. Morphotoxicity and cytogenotoxicity of pendimethalin in the test plant Allium cepa L. - A biomarker based study

Author:
Verma, Sonam; Srivastava, Alka
Source:
Chemosphere 2018 v.206 pp. 248-254
ISSN:
0045-6535
Subject:
Allium cepa; biomarkers; bulbs; chromosomes; food production; humans; interphase; mitosis; mutagens; onions; pendimethalin; roots; soil; sowing; toxicity
Abstract:
... Pesticides have brought tremendous benefits to mankind by increasing food production and controlling various crop diseases. But their prolonged and extensive use has been reported to induce toxicity. Biological markers used for the evaluation of toxic effects of pesticides have increased these days. The aim of this study was to determine the morphotoxic and cytogenotoxic effects of pesticide pendi ...
DOI:
10.1016/j.chemosphere.2018.04.177

55. Native crustacean species as a bioindicator of freshwater ecosystem pollution: A multivariate and integrative study of multi-biomarker response in active river monitoring

Author:
Bertrand, Lidwina; Monferrán, Magdalena Victoria; Mouneyrac, Catherine; Amé, María Valeria
Source:
Chemosphere 2018 v.206 pp. 265-277
ISSN:
0045-6535
Subject:
Palaemonetes; aluminum; antioxidants; basins; bioavailability; biomarkers; boron; cadmium; cephalothorax; chromium; environmental monitoring; enzymes; freshwater ecosystems; lead; mercury; multivariate analysis; oxidative stress; pollutants; pollution; rivers; sediments; sewage; shrimp; silver; tissues; water quality; watersheds; zinc; Argentina
Abstract:
... The aim of this study was to evaluate the ability of Palaemonetes argentinus to evidence the environmental degradation due to pollutants mixture in a freshwater aquatic ecosystem. For this purpose, an active monitoring (96 h exposure) was carried out in seven sites along the Ctalamochita River basin (Córdoba, Argentina), as a case of study.Our results evidenced sewage discharges impact in the wate ...
DOI:
10.1016/j.chemosphere.2018.05.002

56. New insights for risks of chlorophenols (CPs) exposure: Inhibition of UDP-glucuronosyltransferases (UGTs)

Author:
Yang, Kai; Fu, Zhi-Wei; Cao, Yun-Feng; Li, Sai-Nan; Du, Zuo; Sun, Xiao-Yu; Liu, Yong-Zhe; Yang, Kun; Fang, Zhong-Ze
Source:
Chemosphere 2018 v.206 pp. 9-16
ISSN:
0045-6535
Subject:
chlorophenols; energy; enzyme inhibition; forestry; hydrophobic bonding; industry; inhibitory concentration 50; molecular models; pentachlorophenol; pollutants; risk; screening; transferases
Abstract:
... Chlorophenols (CPs) are important pollutants extensively utilized in industry, agriculture and forestry. The present study aims to determine the inhibition of CPs on the activity of the important phase II drug-metabolizing enzymes (DMEs) UDP-glucuronosyltransferases (UGTs). 100 μM of fourteen CPs were used for preliminary screening using in vitro incubation. Furthermore, half inhibition concentrat ...
DOI:
10.1016/j.chemosphere.2018.04.148

57. Nitric oxide is involved in the hypothyroidism with significant morphology changes in female Wistar rats induced by chronic exposure to high water iodine from potassium iodate

Author:
Rong, Shengzhong; Gao, Yanhui; Yang, Yanmei; Shao, Hanwen; Okekunle, Akinkunmi Paul; Lv, Chunpeng; Du, Yang; Sun, Hongna; Jiang, Yuting; Darko, Gottfried M.; Sun, Dianjun
Source:
Chemosphere 2018 v.206 pp. 320-329
ISSN:
0045-6535
Subject:
blood serum; chronic exposure; epidemiological studies; females; hypothyroidism; inducible nitric oxide synthase; iodates; iodides; iodine; light microscopy; nitric oxide; pathogenesis; potassium; rats; thyroid function; thyroid hormones; thyrotropin; thyroxine; transmission electron microscopes; urine
Abstract:
... Epidemiological studies indicated that chronic exposure to high water iodine is associated with primary hypothyroidism (PH) and subclinical hypothyroidism (SCH). However, the mechanism is not well understood. In this study, we explored whether chronic exposure to high water iodine from potassium iodate (KIO3) can induce hypothyroidism in addition to determining if nitric oxide (NO) is involved in ...
DOI:
10.1016/j.chemosphere.2018.05.015

58. Non-selective rapid electro-oxidation of persistent, refractory VOCs in industrial wastewater using a highly catalytic and dimensionally stable IrPd/Ti composite electrode

Author:
Cho, Wan-Cheol; Poo, Kyung-Min; Mohamed, Hend Omar; Kim, Tae-Nam; Kim, Yul-Seong; Hwang, Moon Hyun; Jung, Do-Won; Chae, Kyu-Jung
Source:
Chemosphere 2018 v.206 pp. 483-490
ISSN:
0045-6535
Subject:
anodes; benzene; catalysts; chloroform; composite materials; cost effectiveness; electrochemistry; electrolytes; energy; industrial effluents; liquids; oxidation; platinum; sodium chloride; surface area; titanium; toluene; toxicity; trichloroethylene; volatile organic compounds; volatilization; wastewater; wettability
Abstract:
... Volatile organic compounds (VOCs) are highly toxic contaminants commonly dissolved in industrial wastewater. Therefore, treatment of VOC-containing wastewater requires a robust and rapid reaction because liquid VOCs can become volatile secondary pollutants. In this study, electro-oxidation with catalytic composite dimensionally stable anodes (DSAs)—a promising process for degrading organic polluta ...
DOI:
10.1016/j.chemosphere.2018.05.060

59. Occurrence and potential human health risks of semi-volatile organic compounds in drinking water from cities along the Chinese coastland of the Yellow Sea

Author:
Li, Zekai; Chang, Fangyu; Shi, Peng; Chen, Xun; Yang, Feng; Zhou, Qing; Pan, Yang; Li, Aimin
Source:
Chemosphere 2018 v.206 pp. 655-662
ISSN:
0045-6535
Subject:
benzene; cities; drinking water; health effects assessments; heptachlor; human health; phthalates; pollutants; polychlorinated biphenyls; polycyclic aromatic hydrocarbons; public health; risk; rivers; temporal variation; volatile organic compounds; wastewater; China; Yangtze River; Yellow Sea
Abstract:
... Semi-volatile organic compounds (SVOCs) in drinking water have been considered a severe threat to public health worldwide. However, SVOC contamination and the associated human health risks of the drinking water from cities along tributaries of the Yangtze River and Huaihe River in China have been seldom reported. Here, we focused on the occurrence and distribution of a series of SVOCs, mainly incl ...
DOI:
10.1016/j.chemosphere.2018.05.064

60. Occurrence state of co-existing arsenate and nickel ions at the ferrihydrite-water interface: Mechanisms of surface complexation and surface precipitation via ATR-IR spectroscopy

Author:
Wang, Chao; Cui, Yong; Zhang, Jinghai; Gomez, Mario; Wang, Shaofeng; Jia, Yongfeng
Source:
Chemosphere 2018 v.206 pp. 33-42
ISSN:
0045-6535
Subject:
Fourier transform infrared spectroscopy; adsorption; arsenates; arsenic; ferrihydrite; ions; mine tailings; mineral water; mining; nickel; pH; vanadium
Abstract:
... Arsenic and nickel are common contaminants that usually co-exist in many contaminated natural and mining environments. More research on the interaction of these two contaminants is needed such as their coordination structure and occurrence state at mineral-water interfaces. In this study, we investigated the structure of surface complexes and surface precipitates formed by co-existing As(V) and Ni ...
DOI:
10.1016/j.chemosphere.2018.04.150