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You searched for: Journal name Chemosphere Remove constraint Journal name: Chemosphere Publication year rev 7979-2021 Remove constraint Publication year rev: 7979-2021 Source 2021 v.263 Remove constraint Source: 2021 v.263
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1. Ab initio kinetic mechanism of OH-initiated atmospheric oxidation of pyrrole

Author:
Tam V.-T. Mai; Hieu T. Nguyen; Lam K. Huynh
Source:
Chemosphere 2021 v.263 pp. 127850
ISSN:
0045-6535
Subject:
atmospheric pressure; combustion; equations; models; persistent organic pollutants; photolysis; potential energy; pyrroles; solar radiation
Abstract:
... The comprehensive kinetic mechanism of the OH-initiated gas-phase oxidation of pyrrole is first theoretically reported in a broad range of conditions (T = 200–2000 K &P = 1–7600 Torr). On the potential energy surface constructed at the M06–2X/aug-cc-pVTZ level, the temperature- and pressure-dependent behaviors of the title reaction were characterized using the stochastic Rice–Ramsperger–Kassel–Mar ...
DOI:
10.1016/j.chemosphere.2020.127850

2. Accelerated anaerobic biodecolorization of sulfonated azo dyes by magnetite nanoparticles as potential electron transfer mediators

Author:
Juan Qin; Luwen Qian; Juntong Zhang; Yiqing Zheng; Jian Shi; Jinyou Shen; Changjin Ou
Source:
Chemosphere 2021 v.263 pp. 128048
ISSN:
0045-6535
Subject:
biodegradation; decolorization; electron transfer; magnetite; methyl orange; sludge; wastewater treatment
Abstract:
... Anaerobic decolorization of azo dyes has been evidenced to be an economical and effective pretreatment method, but its generally limited by the low decolorization efficiency, especially for biodecolorization sulfonated azo dyes. In this study, magnetite nanoparticles (MNPs) as a conductive material, was coupled into anaerobic system for enhancing decolorization of sulfonated azo dyes, i.e., methyl ...
DOI:
10.1016/j.chemosphere.2020.128048

3. Acidophilic microorganisms enhancing geochemical dynamics in an acidic drainage system, Amarillo river in La Rioja, Argentina

Author:
Cecilia E. Bernardelli; Santiago N. Maza; Karina L. Lecomte; Gilda Collo; Ricardo A. Astini; Edgardo R. Donati
Source:
Chemosphere 2021 v.263 pp. 128098
ISSN:
0045-6535
Subject:
Acidiphilium; Acidithiobacillus; Alicyclobacillus cycloheptanicus; Cladosporium; Coniochaeta; Leptospirillum ferrooxidans; Penicillium; basins; biogeochemistry; drainage systems; hydrology; jarosite; models; oxidation; pH; rivers; stream channels; temperature; Argentina
Abstract:
... The Amarillo River in La Rioja, Argentina, is a natural acidic environment that is influenced by an abandoned mine. The river is characterized by extremely low pH and high concentrations of metals and metalloids. Fe(III)-bearing neoformed precipitated minerals are widespread along the hydrological basin. This work reports the presence of different species of iron-oxidizing bacteria and demonstrate ...
DOI:
10.1016/j.chemosphere.2020.128098

4. Addition of lemon before boiling chlorinated tap water: A strategy to control halogenated disinfection byproducts

Author:
Jiaqi Liu; Christie M. Sayes; Virender K. Sharma; Yu Li; Xiangru Zhang
Source:
Chemosphere 2021 v.263 pp. 127954
ISSN:
0045-6535
Subject:
adenocarcinoma; adverse effects; ambient temperature; ascorbic acid; boiling; byproducts; chlorine; cytotoxicity; disinfection; epithelium; fruits; hepatoma; human cell lines; humans; ingestion; lemons; liquid chromatography; mixtures; pathogens; sampling; tandem mass spectrometry; tap water; water
Abstract:
... Chlorine disinfection is required to inactivate pathogens in drinking water, but it inevitably generates potentially toxic halogenated disinfection byproducts (halo-DBPs). A previous study has reported that the addition of ascorbate to tap water before boiling could significantly decrease the concentration of overall halo-DBPs in the boiled water. Since the fruit lemon is rich in vitamin C (i.e., ...
DOI:
10.1016/j.chemosphere.2020.127954

5. Aging effects on fractionation and speciation of redox-sensitive metals in artificially contaminated soil

Author:
Young-Soo Han; Jin Hee Park; Joo Sung Ahn
Source:
Chemosphere 2021 v.263 pp. 127931
ISSN:
0045-6535
Subject:
extraction; fractionation; guidelines; laboratories; laboratory experimentation; metals; objectives; oxidation; polluted soils; soil pollution; soil quality; sorption; toxic substances
Abstract:
... Artificially contaminated soil is often used in laboratory experiments as a substitute for actual field contaminated soils. In the preparation and use of laboratory contaminated soils, questions remain as to how much and how long metals remain in labile form and in their oxidation state during the contamination process. Therefore, the objectives of this study were to determine if the speciation of ...
DOI:
10.1016/j.chemosphere.2020.127931

6. Application of UV/chlorine pretreatment for controlling ultrafiltration (UF) membrane fouling caused by different natural organic fractions

Author:
Ying Wan; Pengchao Xie; Zongping Wang; Jingwen Wang; Jiaqi Ding; Raf Dewil; Bart Van der Bruggen
Source:
Chemosphere 2021 v.263 pp. 127993
ISSN:
0045-6535
Subject:
bovine serum albumin; chlorine; fluorescence; humic acids; molecular weight; sodium alginate; surface water; ultrafiltration; ultraviolet radiation
Abstract:
... In this study, the effects of UV/chlorine pretreatment on ultrafiltration (UF) membrane fouling derived from different fractions of natural organic matter (NOM) were studied and compared. Three model organic compounds including humic acid (HA), sodium alginate (SA) and bovine serum albumin (BSA) were employed to represent different NOM fractions in natural surface water. The results suggest that m ...
DOI:
10.1016/j.chemosphere.2020.127993

7. Application of abscisic acid and 6-benzylaminopurine modulated morpho-physiological and antioxidative defense responses of tomato (Solanum lycopersicum L.) by minimizing cobalt uptake

Author:
Muhammad Kamran; Mohammad Danish; Muhammad Hamzah Saleem; Zaffar Malik; Aasma Parveen; Ghulam Hassan Abbasi; Moazzam Jamil; Shafaqat Ali; Sobia Afzal; Muhammad Riaz; Muhammad Rizwan; Muhammad Ali; Yaoyu Zhou
Source:
Chemosphere 2021 v.263 pp. 128169
ISSN:
0045-6535
Subject:
Solanum lycopersicum; abscisic acid; antioxidant activity; ascorbate peroxidase; benzyladenine; bioaccumulation factor; catalase; chlorophyll; cobalt; hydroponics; malondialdehyde; oxidative stress; peroxidase; photosynthesis; phytomass; pigments; plant growth; proline; roots; shoots; stress tolerance; superoxide dismutase; supply; tissues; tomatoes
Abstract:
... A hydroponic study was conducted to determine the effects of single and/or combined application of different doses (0, 5 and 10 μM L⁻¹) of abscisic acid (ABA) and 6-benzylaminopurine (BAP) on cobalt (Co) accumulation, morpho-physiological and antioxidative defense attributes of tomato (Solanum lycopersicum L.) exposed to severe Co stress (400 μM L⁻¹). The single Co treatment (T1), prominently decr ...
DOI:
10.1016/j.chemosphere.2020.128169

8. Application of polyoxymethylene passive air sampler to monitor hydrophobic organics in air around a confined disposal facility

Author:
Adesewa A. Odetayo; Danny D. Reible; Damarys Acevedo-Mackey; Cynthia Price; Le Thai
Source:
Chemosphere 2021 v.263 pp. 127827
ISSN:
0045-6535
Subject:
air; air sampling; evaporation; hydrophobicity; molecular weight; naphthalene; particulates; samplers; sediment contamination; temperature
Abstract:
... Volatile losses of hydrophobic organic contaminants from a confined disposal facility (CDF) containing dredged contaminated sediments is of substantial concern to surrounding communities. A partitioning passive sampling approach using polyoxymethylene (POM) was applied to measure long-term average (weeks to months) air concentrations resulting from evaporation at a CDF. Measurements at 10 location ...
DOI:
10.1016/j.chemosphere.2020.127827

9. Assessment of persistent indoor VOCs inside public transport during winter season

Author:
Argel Gastelum-Arellanez; Jovanni Esquivel-Días; Rigoberto Lopez-Padilla; Víctor Hugo Robledo; Rodríguez Paulina; Mónica Fabiola Beltrán; José Octavio Saucedo-Lucero
Source:
Chemosphere 2021 v.263 pp. 128127
ISSN:
0045-6535
Subject:
correlation; environmental protection; ethylbenzene; fuel combustion; hexane; methodology; persistent organic pollutants; pollution; public transportation; risk; students; styrene; toluene; vapors; winter; xylene; Mexico; United States
Abstract:
... The present work intends to analyze the pollution level at the indoor environments of the public transport units of León Guanajuato, Mexico during winter season. An identification and quantification of persistent organic pollutants were carried out within three of the principal bus lines of the city in order to determine their possible origin, the differences in the levels of contamination between ...
DOI:
10.1016/j.chemosphere.2020.128127

10. Associations of short-term exposure to air pollution and emergency department visits for pediatric asthma in Shanghai, China

Author:
Lijuan Liu; Cong Liu; Renjie Chen; Yufeng Zhou; Xia Meng; Jianguo Hong; Lanfang Cao; Yanming Lu; Xiaoyan Dong; Min Xia; Bo Ding; Liling Qian; Libo Wang; Wenhao Zhou; Yonghao Gui; Xiaobo Zhang
Source:
Chemosphere 2021 v.263 pp. 127856
ISSN:
0045-6535
Subject:
acute exposure; air; air pollution; air quality; asthma; confidence interval; models; relative risk; China
Abstract:
... There is limited evidence regarding the relationship between air pollution and pediatric asthma in developing countries. This study aimed to investigate the association between short-term exposure to ambient air pollutants and pediatric asthma emergency department (ED) visits in Shanghai, China. We collected data on six criteria air pollutants (PM₂.₅, PM₁₀, NO₂, SO₂, CO, and O₃) and daily ED visit ...
DOI:
10.1016/j.chemosphere.2020.127856

11. Atmospheric degradation of chrysene initiated by OH radical: A quantum chemical investigation

Author:
Zhezheng Ding; Yayi Yi; Wenxing Wang; Qingzhu Zhang
Source:
Chemosphere 2021 v.263 pp. 128267
ISSN:
0045-6535
Subject:
acute toxicity; biodegradation; carcinogenicity; density functional theory; humans; mutagenicity; oxidation; polycyclic aromatic hydrocarbons; quantum mechanics; water solubility
Abstract:
... Chrysene, a four-ring polycyclic aromatic hydrocarbon (PAH), is recalcitrant to biodegradation and persistent in the environment due to its low water solubility. Here, we investigated the atmospheric degradation process of chrysene initiated by OH radical in the presence of O₂ and NOX using quantum chemical calculations. The reaction mechanisms were elucidated by density functional theory (DFT) at ...
DOI:
10.1016/j.chemosphere.2020.128267

12. Atmospheric polychlorinated biphenyls in a non-metropolitan city in northern India: Levels, seasonality and sources

Author:
Balasubramanian Prithiviraj; Ajay Taneja; Paromita Chakraborty
Source:
Chemosphere 2021 v.263 pp. 127700
ISSN:
0045-6535
Subject:
United States Environmental Protection Agency; air; biomass burning; breathing; combustion; dioxins; foams; guidelines; mass; polychlorinated biphenyls; polyurethanes; principal component analysis; public health; risk; screening; summer; trajectories; winter; India
Abstract:
... Recent studies from India reported polychlorinated biphenyls (PCBs) associated with incomplete combustion processes. In this study we have monitored atmospheric PCBs in Agra, a non-metropolitan city of northern India. During first month of summer and winter of 2017, polyurethane foam based passive air sampler (PUF-PAS) was deployed at each of 14 locations across urban, suburban and rural transects ...
DOI:
10.1016/j.chemosphere.2020.127700

13. Atmospheric pressure ionization for gas chromatography-high resolution mass spectrometry determination of polychlorinated naphthalenes in marine sediments

Author:
J.F. Ayala-Cabrera; C. Lipok; E. Moyano; O.J. Schmitz; F.J. Santos
Source:
Chemosphere 2021 v.263 pp. 127963
ISSN:
0045-6535
Subject:
atmospheric pressure; coasts; ethyl ether; ionization; mass spectrometry; polychlorinated biphenyls; toluene; vapor pressure; Spain
Abstract:
... In this work, the performance of the atmospheric pressure chemical ionization (APCI) and photoionization (APPI) was assessed to develop a new selective and sensitive gas chromatography-high resolution mass spectrometry (GC-HRMS) method for the determination of polychlorinated naphthalenes (PCNs) in sediment samples. The capability of both APCI and APPI sources for the ionization of PCNs was invest ...
DOI:
10.1016/j.chemosphere.2020.127963

14. Bandgap-tuned ultra-small SnO2-nanoparticle-decorated 2D-Bi2WO6 nanoplates for visible-light-driven photocatalytic applications

Author:
K. Mallikarjuna; Haekyoung Kim
Source:
Chemosphere 2021 v.263 pp. 128185
ISSN:
0045-6535
Subject:
annealing; degradation; effluents; environment; harvesting; hot water treatment; industrialization; irradiation; light; nanoparticles; organisms; photocatalysis; photons; rhodamines; separation
Abstract:
... With the rapid rate of industrialization, the emission of effluents represents a serious threat to aquatic living organisms and the environment. Semiconductor-mediated photocatalysis has been highlighted as the most attractive technology for the elimination of pollutants. In this connection, bandgap-tuned ultra-small SnO₂-nanoparticle-decorated 2D-Bi₂WO₆ nanoplates were prepared via the hydrotherm ...
DOI:
10.1016/j.chemosphere.2020.128185

15. Biochar-induced changes in soil microbial affect species of antimony in contaminated soils

Author:
Li Hua; Chuan Wu; Huan Zhang; Lifan Cao; Ting Wei; Junkang Guo
Source:
Chemosphere 2021 v.263 pp. 127795
ISSN:
0045-6535
Subject:
anthropogenic activities; antimony; apples; biochar; citric acid; community structure; extraction; fruits; genes; heavy metals; oxidation; polluted soils; remediation; risk; soil amendments; soil bacteria; soil chemical properties; toxicity; wheat
Abstract:
... Antimony (Sb) is a highly toxic heavy metal, and the amount of Sb in the soil is increasing due to anthropogenic activities. Recently, biochar (BC) has been used for remediation of Sb-contaminated soil, therefore, understanding the effect of BC-induced changes in soil microbial on the change of Sb speciation will help to elucidate the mechanism of BC in immobilization/mobilization of Sb in contami ...
DOI:
10.1016/j.chemosphere.2020.127795

16. Biotoxicity of landfill leachate effluent treated by two-stage acclimatized sludge AS system and antioxidant enzyme activity in Cyprinus carpio

Author:
Jarungwit Boonnorat; Alongkorn Kanyatrakul; Apichai Prakhongsak; Kanjana Ketbubpha; Songkeart Phattarapattamawong; Chairat Treesubsuntorn; Pornpan Panichnumsin
Source:
Chemosphere 2021 v.263 pp. 128332
ISSN:
0045-6535
Subject:
Cyprinus carpio; acclimation; activated sludge; antioxidant enzymes; biodegradation; enzyme activity; glutathione transferase; landfill leachates; mortality; toxicity; wastewater treatment
Abstract:
... This research comparatively investigates the biotoxicity of landfill leachate effluent from acclimatized and non-acclimatized sludge two-stage activated sludge (AS) systems. Both AS systems were operated with two leachate influent concentrations: moderate (condition 1) and elevated (condition 2). The biotoxicity of AS effluent of variable concentrations (10, 20, and 30% (v/v)) was assessed by the ...
DOI:
10.1016/j.chemosphere.2020.128332

17. Bisphenol S enhances gap junction intercellular communication in ovarian theca cells

Author:
Jeremy Gingrich; Yong Pu; Brad L. Upham; Madeline Hulse; Sarah Pearl; Denny Martin; Anita Avery; Almudena Veiga-Lopez
Source:
Chemosphere 2021 v.263 pp. 128304
ISSN:
0045-6535
Subject:
bisphenol A; bisphenol F; bisphenol S; cell communication; chlorides; dyes; follicular development; gap junctions; humans; hyperplasia; meiosis; mitogen-activated protein kinase; oocytes; ovarian follicles; ovulation; perfluorooctane sulfonic acid; phospholipase C; sheep
Abstract:
... Gap junction intercellular communication (GJIC) is necessary for ovarian function, and it is temporospatially regulated during follicular development and ovulation. At outermost layer of the antral follicle, theca cells provide structural, steroidogenic, and vascular support. Inter- and extra-thecal GJIC is required for intrafollicular trafficking of signaling molecules. Because GJIC can be altere ...
DOI:
10.1016/j.chemosphere.2020.128304

18. Boron nitride-based materials for water purification: Progress and outlook

Author:
Ihsanullah Ihsanullah
Source:
Chemosphere 2021 v.263 pp. 127970
ISSN:
0045-6535
Subject:
adsorption; antibiotics; boron; boron nitride; carbon; corrosion; density; dyes; fields; heavy metals; nanomaterials; organic compounds; oxidation; photocatalysis; pollutants; remediation; research; strength (mechanics); surface area; synthesis; thermal stability; water; water purification
Abstract:
... Analogous to the carbon family, boron nitride (BN)-based materials have gained considerable attention in recent times for applications in various fields. Owing to their extraordinary characteristics, i.e., high surface area, low density, superior thermal stability, mechanical strength, and conductivity, excellent corrosion, and oxidation resistance, the BN nanomaterials have been explored in water ...
DOI:
10.1016/j.chemosphere.2020.127970

19. Both artificial root exudates and natural Koelreuteria paniculata exudates modify bacterial community structure and enhance phenanthrene biodegradation in contaminated soils

Author:
Jiaolong Wang; Xiaoyong Chen; Wende Yan; Chen Ning; Timothy Gsell
Source:
Chemosphere 2021 v.263 pp. 128041
ISSN:
0045-6535
Subject:
Firmicutes; Koelreuteria paniculata; Proteobacteria; bacterial communities; biodegradation; community structure; phenanthrenes; roots; soil bacteria
Abstract:
... Polycyclic aromatic hydrocarbons (PAHs) are environmental pollutants that represent a serious threat to the health of humans and ecosystems. The effects of plant root and artificial root exudates (ARE) on the biodegradation of phenanthrene (PHE) and their impact on soil bacterial community structure was the focus of this work using four treatments for 180 days. Treatments included; control treatme ...
DOI:
10.1016/j.chemosphere.2020.128041

20. Brevundimonas diminuta MYS6 associated Helianthus annuus L. for enhanced copper phytoremediation

Author:
Manohari Rathi; Yogalakshmi K N
Source:
Chemosphere 2021 v.263 pp. 128195
ISSN:
0045-6535
Subject:
Brevundimonas diminuta; Helianthus annuus; alcohols; carboxylic acids; chlorophyll; copper; design; experimental design; growth curves; growth promotion; leaves; length; metal tolerance; pH; phytomass; phytoremediation; plant growth; population; response surface methodology; rhizosphere bacteria; roots; shoots; temperature
Abstract:
... Natural occurring metal-tolerant microbial population have replaced conventional expensive metal remediation approach since the last few years. The present study focuses on investigating the potential of a copper-tolerant plant growth promoting rhizobacterial strain Brevundimonas diminuta MYS6 for Cu bioremediation, plant growth promotion and Cu uptake in Helianthus annuus L. Box-Behnken Design of ...
DOI:
10.1016/j.chemosphere.2020.128195