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1. Accelerated productions and physicochemical characterizations of different extracellular polymeric substances from Chlorella vulgaris with nano-ZnO

Author:
Zhao, Jinfeng; Liu, Shixiang; Liu, Na; Zhang, Han; Zhou, Qiongzhi; Ge, Fei
Source:
The Science of the total environment 2019 v.658 pp. 582-589
ISSN:
0048-9697
Subject:
Chlorella vulgaris; moieties; nanoparticles; organic carbon; polysaccharides; proteins; zinc oxide
Abstract:
... Extracellular polymeric substances (EPS) play significant roles in protecting cells against environmental stresses. However, little information is known about the roles of different EPS in these processes. In this study, the productions and physicochemical characterizations of soluble-EPS (S-EPS) and bound-EPS (B-EPS), the two different fractions of EPS from a green alga Chlorella vulgaris under t ...
DOI:
10.1016/j.scitotenv.2018.12.019

2. A combined quantitative property-property relationship (QPPR) for estimating packaging-food and solid material-water partition coefficients of organic compounds

Author:
Huang, Lei; Jolliet, Olivier
Source:
The Science of the total environment 2019 v.658 pp. 493-500
ISSN:
0048-9697
Subject:
construction materials; data collection; ethanol; food packaging; furniture; partition coefficients; permeability; prediction; regression analysis; temperature; toys
Abstract:
... The packaging-food partition coefficient (Kₚf) is a key parameter to estimate the chemical migration from packaging to food and resulting ingestion exposures. As a particular case of Kₚf, the solid material-water partition coefficient (Kₘw) is also important in relating the material to the water phase-based skin permeation coefficient to further assess dermal contact exposure to chemicals in solid ...
DOI:
10.1016/j.scitotenv.2018.12.062

3. A cross-sectional study of urinary cadmium concentrations in relation to dietary intakes in Uruguayan school children

Author:
Burganowski, Rachael; Vahter, Marie; Queirolo, Elena I.; Peregalli, Fabiana; Baccino, Valentina; Barcia, Elizabeth; Mangieri, Soledad; Ocampo, Virginia; Mañay, Nelly; Martínez, Gabriela; Kordas, Katarzyna
Source:
The Science of the total environment 2019 v.658 pp. 1239-1248
ISSN:
0048-9697
Subject:
adverse effects; blood serum; broccoli; cadmium; calcium; caregivers; chronic exposure; cross-sectional studies; diet recall; ferritin; fruits; grain consumption; grains; heme iron; least squares; legumes; meat; milk; models; nutritionists; pollution; root vegetables; school children; specific gravity; spinach; tomatoes; urine; zinc; Uruguay
Abstract:
... Cadmium (Cd) exposure has adverse health effects in children. Diet contributes to Cd exposure, but dietary components could affect body Cd levels.To examine associations between diet and urinary Cd (U-Cd) in children.In this cross-sectional study conducted in Montevideo, Uruguay, Cd exposure of 5–8 year old children (n = 279 with complete data) was assessed in first morning urine (U-Cd), a marker ...
DOI:
10.1016/j.scitotenv.2018.12.220
PubMed:
30677986
PubMed Central:
PMC6369586

4. Activated carbon promotes short-chain fatty acids production from algae during anaerobic fermentation

Author:
Xie, Jing; Chen, Yunzhi; Duan, Xu; Feng, Leiyu; Yan, Yuanyuan; Wang, Feng; Zhang, Xianzhong; Zhang, Zhenguang; Zhou, Qi
Source:
The Science of the total environment 2019 v.658 pp. 1131-1138
ISSN:
0048-9697
Subject:
activated carbon; algae; bacteria; carbohydrates; chemical oxygen demand; electron transfer; fermentation; genes; hydrolases; hydrolysis; pH; proteins; short chain fatty acids; solubilization
Abstract:
... Alkaline pH was beneficial for short-chain fatty acids (SCFAs) production from algae during anaerobic fermentation. This study focused on the effects of activated carbon on SCFAs production from algae during alkaline anaerobic fermentation. When activated carbon was present at 0.5 g/L, the maximum production of SCFAs was 4875 mg COD/L, which was nearly 2.4 times that of the control (2026 mg/L). Mo ...
DOI:
10.1016/j.scitotenv.2018.12.280

5. Acute hazard of biocides for the aquatic environmental compartment from a life-cycle perspective

Author:
Hernández-Moreno, David; Blázquez, María; Andreu-Sánchez, Oscar; Bermejo-Nogales, Azucena; Fernández-Cruz, María Luisa
Source:
The Science of the total environment 2019 v.658 pp. 416-423
ISSN:
0048-9697
Subject:
European Union; active ingredients; acute toxicity; algae; biocides; databases; environmental degradation; fish; freshwater; invertebrates; metabolites; microorganisms; sewage treatment
Abstract:
... One of the aims of the European project LIFE-COMBASE is to build a computational tool to predict the acute toxicity for aquatic organisms of biocidal active substances and its environmental degradation products. A database was implemented compiling toxicity data for these substances in organisms of the freshwater/marine and sewage treatment plant compartments. The goal of this study is to analyze ...
DOI:
10.1016/j.scitotenv.2018.12.186

6. Aerobic denitrification by Paracoccus sp. YF1 in the presence of Cu(II)

Author:
Lu, Zeyang; Gan, Li; Lin, Jiajiang; Chen, Zuliang
Source:
The Science of the total environment 2019 v.658 pp. 80-86
ISSN:
0048-9697
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; adsorption; copper; denitrification; energy-dispersive X-ray analysis; enzyme activity; heavy metals; models; nitrate reductase; nitrates; nitrite reductase; nitrites; protein content; scanning electron microscopy; sewage
Abstract:
... This study of Cu(II)'s impact on aerobic denitrification of Paracoccus sp. YF1 revealed that the denitrification rate decreased markedly from 99.8%, 98.0%, 68.7% to 16.3% when the concentrations of Cu(II) rose from 0, 0.01 mM, 0.05 mM to 0.1 mM, respectively. This outcome was confirmed by the successful test of OD₆₀₀, total protein and enzyme activities. As the concentration of Cu(II) increased fr ...
DOI:
10.1016/j.scitotenv.2018.12.225

7. A greening world enhances the surface-air temperature difference

Author:
Feng, Huihui; Zou, Bin
Source:
The Science of the total environment 2019 v.658 pp. 385-394
ISSN:
0048-9697
Subject:
normalized difference vegetation index; temperature; vegetation; water vapor
Abstract:
... The surface-air temperature difference (Ts-Ta) is a critical variable for tracking climatic and environmental change. Vegetation has unavoidably affected the temperature by altering surface properties, while the magnitude of this effect has remained unknown. This study aimed to investigate the patterns of global Ts-Ta and quantify the contribution of vegetation change. Trend analysis, correlation ...
DOI:
10.1016/j.scitotenv.2018.12.210

8. Analysis of lateral sediment connectivity and its connection to debris flow intensity patterns at different return periods in the Fella River system in northeastern Italy

Author:
Schopper, Nora; Mergili, Martin; Frigerio, Simone; Cavalli, Marco; Poeppl, Ronald
Source:
The Science of the total environment 2019 v.658 pp. 1586-1600
ISSN:
0048-9697
Subject:
mass movement; rivers; roads; sediments; watersheds; Italy
Abstract:
... A wide variety of issues are now being addressed using the concept of connectivity, which has initiated the development of various methods to assess a river's relationship to its catchment. This study tests two well-established methods, the Effective Catchment Area (ECA) and the Index of Connectivity (IC) in the study area of the Fella River in northeastern Italy, to gain an idea of their potentia ...
DOI:
10.1016/j.scitotenv.2018.12.288

9. A one-year record of particle-bound polycyclic aromatic hydrocarbons at an urban background site in Lisbon Metropolitan Area, Portugal

Author:
Cerqueira, Mário; Matos, João
Source:
The Science of the total environment 2019 v.658 pp. 34-41
ISSN:
0048-9697
Subject:
adverse effects; aerosols; air quality; benzo(a)pyrene; capital; emissions; high performance liquid chromatography; laws and regulations; meteorological parameters; metropolitan areas; particulates; polycyclic aromatic hydrocarbons; principal component analysis; risk; seasonal variation; spring; summer; winter; Portugal
Abstract:
... Polycyclic aromatic hydrocarbons (PAHs) are a class of organic chemicals that are widely distributed in the atmosphere and well known for their adverse health effects. This study aims to describe, for the first time, the levels, sources and associated health risks of particulate PAHs in an urban background atmosphere of Lisbon, the capital and largest city in Portugal. PM₁₀ aerosol samples were co ...
DOI:
10.1016/j.scitotenv.2018.12.151

10. Application of air parcel residence time analysis for air pollution prevention and control policy in the Pearl River Delta region

Author:
Huang, Yeqi; Yao, Teng; Fung, Jimmy C.H.; Lu, Xingcheng; Lau, Alexis K.H.
Source:
The Science of the total environment 2019 v.658 pp. 744-752
ISSN:
0048-9697
Subject:
air; air pollution; factories; fate and transport models; issues and policy; monsoon season; pollutants; pollution control; river deltas; rivers; summer; urban areas; wind direction; winter
Abstract:
... In this study, the concept of air parcel residence time was raised and the APRT was investigated to study its potential application in air pollution prevention and control in the Pearl River Delta (PRD) region. The APRT in the PRD region was defined as the total period for which an air parcel stays within the PRD region. The Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model w ...
DOI:
10.1016/j.scitotenv.2018.12.205

11. Assessing the environmental occurrence and risk of nano-silver in Hunan, China using probabilistic material flow modeling

Author:
Ding, Ru; Li, Li; Yang, Pingjian; Luo, Li; Li, Lei; Wang, Qiang
Source:
The Science of the total environment 2019 v.658 pp. 1249-1255
ISSN:
0048-9697
Subject:
air; effluents; emissions; landfills; material flow analysis; metals; models; nanosilver; risk; risk characterization; sediments; sewage treatment; soil; soil pollution; surface water; wastewater treatment; water pollution; China
Abstract:
... Using a probabilistic material flow analysis model, we investigate the mass balance and occurrence of nano-silver in the environment of Hunan, renowned as “the home to non-ferrous metals” in China. The model builds on China-specific production and environmental information and incorporates sulfidation of nano-silver in urban wastewater treatment systems. We predict that the bulk of nano-silver (>9 ...
DOI:
10.1016/j.scitotenv.2018.12.254

12. Assessing the influence of boundary conditions, driving behavior and data analysis methods on real driving CO2 and NOx emissions

Author:
Varella, Roberto A.; Faria, Marta V.; Mendoza-Villafuerte, Pablo; Baptista, Patrícia C.; Sousa, Luis; Duarte, Gonçalo O.
Source:
The Science of the total environment 2019 v.658 pp. 879-894
ISSN:
0048-9697
Subject:
European Union; altitude; ambient temperature; carbon dioxide; certification; metropolitan areas; nitrogen oxides; particulate emissions; Portugal
Abstract:
... The need to verify vehicle emissions in real world operation led to the implementation of Real Driving Emissions (RDE) test procedures, effective since September 2017 for new Euro 6 cars following the Commission Regulation (EU) 2016/427, which defines the RDE test conditions and data analysis methods to allow representative results. Main factors addressed by the regulation include the share of dri ...
DOI:
10.1016/j.scitotenv.2018.12.053

13. Assessment of drugs of abuse in a wastewater treatment plant with parallel secondary wastewater treatment train

Author:
Kumar, Rahul; Tscharke, Ben; O'Brien, Jake; Mueller, Jochen F.; Wilkins, Chris; Padhye, Lokesh P.
Source:
The Science of the total environment 2019 v.658 pp. 947-957
ISSN:
0048-9697
Subject:
alcohol drinking; alcohols; biomarkers; cocaine; humans; liquid chromatography; membrane bioreactors; metabolites; methadone; methamphetamines; morphine; nicotine; rain; sulfates; summer; tandem mass spectrometry; urine; wastewater; wastewater treatment; winter; New Zealand
Abstract:
... In this study, 24-hour composite wastewater samples were collected from a wastewater treatment plant of New Zealand with parallel secondary treatment units. The aim was to investigate the occurrence, removal, and consumption of 13 drugs of abuse (DOAs) including illicit drugs, alcohol, nicotine, and their metabolites. The filtered samples were analysed through direct injection on LC-MS/MS. Ethyl s ...
DOI:
10.1016/j.scitotenv.2018.12.167

14. Assessment of X-ray Computed Tomography to characterize filtering media from Vertical Flow Treatment Wetlands at the pore scale

Author:
Martinez-Carvajal, G.D.; Oxarango, Laurent; Adrien, Jérôme; Molle, Pascal; Forquet, Nicolas
Source:
The Science of the total environment 2019 v.658 pp. 178-188
ISSN:
0048-9697
Subject:
algorithms; computed tomography; digital images; drying; filtration; fouling; gravel; nondestructive methods; porosity; porous media; water content; wetlands
Abstract:
... Computed Tomography is a non-destructive technique often used in earth sciences for the description of porous media at the pore scale. This paper shows the feasibility of this technique to obtain 3D descriptions of filtering media in Vertical Flow Treatment Wetlands (VFTW). Three different samples from two full-scale VFTW were scanned. The samples vary in moisture content and gravel size distribut ...
DOI:
10.1016/j.scitotenv.2018.12.119

15. A systematic scoping review of hygiene behaviors and environmental health conditions in institutional care settings for orphaned and abandoned children

Author:
Moffa, Michelle; Cronk, Ryan; Fejfar, Donald; Dancausse, Sarah; Padilla, Leslie Acosta; Bartram, Jamie
Source:
The Science of the total environment 2019 v.658 pp. 1161-1174
ISSN:
0048-9697
Subject:
Protozoa; accountability; at-risk population; caregivers; child health; children; diarrhea; environmental health; finance; good hygiene practices; guidelines; infrastructure; monitoring; sanitation
Abstract:
... Adequate hygiene behaviors and environmental health conditions are fundamental to children's health, development, and well-being. They are especially important in institutional care settings for orphaned and abandoned children, a particularly vulnerable population whose basic needs are often not met.We systematically reviewed the evidence about hygiene behaviors and environmental health conditions ...
DOI:
10.1016/j.scitotenv.2018.12.286

16. A tool to guide the selection of impact categories for LCA studies by using the representativeness index

Author:
Esnouf, Antoine; Heijungs, Reinout; Coste, Gustave; Latrille, Éric; Steyer, Jean-Philippe; Hélias, Arnaud
Source:
The Science of the total environment 2019 v.658 pp. 768-776
ISSN:
0048-9697
Subject:
databases; electricity; environmental indicators; inventories; life cycle impact assessment; life cycle inventory
Abstract:
... Understanding the environmental profile of a product computed from the Life Cycle Assessment (LCA) framework is sometimes challenging due to the high number of environmental indicators involved. The objective here, in guiding interpretation of LCA results, is to highlight the importance of each impact category for each product alternative studied. For a given product, the proposed methodology iden ...
DOI:
10.1016/j.scitotenv.2018.12.194

17. Beyond sound level monitoring: Exploitation of social media to gather citizens subjective response to noise

Author:
Gasco, Luis; Clavel, Chloé; Asensio, Cesar; de Arcas, Guillermo
Source:
The Science of the total environment 2019 v.658 pp. 69-79
ISSN:
0048-9697
Subject:
Internet; artificial intelligence; attitudes and opinions; case studies; data collection; information processing; mobile telephones; monitoring; questionnaires; social networks; sounds; surveys
Abstract:
... Subjective response to noise is probably the most important goal in environmental acoustics. Traditional surveys have the drawback of high cost deriving from its development and execution, the limited number of participants, and the duration of the surveying campaign. The main drawbacks of online surveys are the low participation, or the self-produced bias that concerns about the topic can raise. ...
DOI:
10.1016/j.scitotenv.2018.12.071

18. Bioaccumulation behavior and spatiotemporal trends of per- and polyfluoroalkyl substances in Indo-Pacific humpback dolphins from the Pearl River Estuary, China

Author:
Gui, Duan; Zhang, Mei; Zhang, Tao; Zhang, Bo; Lin, Wenzhi; Sun, Xian; Yu, Xinjian; Liu, Wen; Wu, Yuping
Source:
The Science of the total environment 2019 v.658 pp. 1029-1038
ISSN:
0048-9697
Subject:
risk; proteins; dolphins; liver; rivers; bioaccumulation; perfluorononanoic acid; Sousa chinensis; tissue distribution; perfluorooctanoic acid; carbon; tissues; sulfonic acids; perfluorooctane sulfonic acid; kidneys; toxicity; estuaries; carboxylic acids; China
Abstract:
... Sixteen per- and polyfluoroalkyl substances (PFASs) were measured in liver (n = 52) and kidney (n = 18) tissues of Indo-Pacific humpback dolphins (Sousa chinensis) stranded in the Pearl River Estuary (PRE) of China between 2004 and 2016. The average concentrations of perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA) and most of other PFASs in the liver samples were respectively great ...
DOI:
10.1016/j.scitotenv.2018.12.278

19. Biogardens as constructed wetlands in tropical climate: A case study in the Central Pacific Coast of Costa Rica

Author:
Pérez-Salazar, Roy; Mora-Aparicio, Carmen; Alfaro-Chinchilla, Carolina; Sasa-Marín, Jihad; Scholz, Carola; Rodríguez-Corrales, José Á.
Source:
The Science of the total environment 2019 v.658 pp. 1023-1028
ISSN:
0048-9697
Subject:
Culicidae; Cyperus papyrus; Heliconia; biochemical oxygen demand; case studies; chemical oxygen demand; coasts; compliance; constructed wetlands; environmental impact; gravel; greywater; laws and regulations; nutrients; odor emissions; organic matter; public health; rivers; septic systems; sewage; subsurface flow; total suspended solids; tourism; tourists; traps; tropics; wastewater treatment; Costa Rica
Abstract:
... In Costa Rica, <10% of wastewater is treated before its discharge. This generates a significant impact on the environment, public health, and tourism industry, which is one of the country's main economic activities. Biogardens, subsurface flow artificial wetlands, are alternative systems for the treatment of wastewater. The present study evaluated the removal of organic matter and nutrients in a b ...
DOI:
10.1016/j.scitotenv.2018.12.259

20. Biogeochemistry of soil organic matter in agroecosystems & environmental implications

Author:
Ondrasek, Gabrijel; Bakić Begić, Helena; Zovko, Monika; Filipović, Lana; Meriño-Gergichevich, Cristian; Savić, Radovan; Rengel, Zed
Source:
The Science of the total environment 2019 v.658 pp. 1559-1573
ISSN:
0048-9697
Subject:
agroecosystems; air; carbon; carbon sequestration; climate; databases; ecological function; environmental health; fires; global warming; heat; metal ions; mineralization; nutrients; pH; persistent organic pollutants; pesticides; prediction; risk; soil organic matter; soil properties; soil respiration; sorption; surface water; surveys; topsoil; toxicity; trace elements
Abstract:
... The biogeochemistry of soil organic matter (SOM), as a highly complex and dynamic soil property, is of vital importance for the health and ecological functioning of ecosystems, including managed and natural ones. Dominantly composed of carbon (C), SOM functions in global C cycling, including C sequestration and emission (e.g. soil respiration). Mediterranean agroecosystems especially, due to favou ...
DOI:
10.1016/j.scitotenv.2018.12.243