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10,866 Newest Publications in environmental science & technology

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Impacts of Combined Cooling, Heating and Power Systems, and Rainwater Harvesting on Water Demand, Carbon Dioxide, and NOx Emissions for Atlanta

20-Dec-2017 | Jean-Ann James; Sangwoo Sung; Hyunju Jeong; Osvaldo A. Broesicke; Steven P. French; Duo Li; John C. Crittenden, Environmental Science & Technology, 2017

The purpose of this study is to explore the potential water, CO2 and NOx emission, and cost savings that the deployment of decentralized water and energy technologies within two urban growth scenarios can achieve. We assess the effectiveness of urban growth, technological, and political ...

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Assessing Cumulative Effects of Climate Change Manipulations on Phosphorus Limitation in a Californian Grassland

20-Dec-2017 | Travis Mellett; Corinne Selvin; Delphine Defforey; Kathryn Roberts; Alanna L. Lecher; Kate Dennis; Jessica Gutknecht ..., Environmental Science & Technology, 2017

Grasslands throughout the world are responding in diverse ways to changing climate and environmental conditions. In this study we analyze indicators of phosphorus limitation including phosphorus concentrations, phosphorus to nitrogen, and carbon ratios, oxygen isotope ratios of phosphate in ...

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Wavelength-Dependent Damage to Adenoviral Proteins Across the Germicidal UV Spectrum

20-Dec-2017 | Sara E. Beck; Natalie M. Hull; Christopher Poepping; Karl G. Linden, Environmental Science & Technology, 2017

Adenovirus, a waterborne pathogen responsible for causing bronchitis, pneumonia, and gastrointestinal infections, is highly resistant to UV disinfection and therefore drives the virus disinfection regulations set by the U.S. Environmental Protection Agency. Polychromatic UV irradiation has been ...

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Effect of Shewanella oneidensis on the Kinetics of Fe(II)-Catalyzed Transformation of Ferrihydrite to Crystalline Iron Oxides

20-Dec-2017 | Wei Xiao; Adele M. Jones; Xiaomin Li; Richard N. Collins; T. David Waite, Environmental Science & Technology, 2017

Iron (oxyhydr)oxides are widespread in natural and engineered systems, potent adsorbents of contaminants and a source of energy for iron-reducing bacteria. Microbial reduction of iron (oxyhydr)oxides results in the formation of Fe(II) which can induce the transformation of these iron minerals, ...

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Selective Nitrate Reduction to Dinitrogen by Electrocatalysis on Nanoscale Iron Encapsulated in Mesoporous Carbon

20-Dec-2017 | Wei Teng; Nan Bai; Yang Liu; Yupu Liu; Jianwei Fan; Wei-xian Zhang, Environmental Science & Technology, 2017

Excessive nutrients (N and P) are among the most concerned pollutants in surface and ground waters. Herein, we report nanoscale zero-valent iron supported on ordered mesoporous carbon (nZVI@OMC) for electrocatalytic reduction of nitrate (NO3–) to nitrogen gas (N2). This material has a maximum ...

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Identification of Unknown Antiandrogenic Compounds in Surface Waters by Effect-Directed Analysis (EDA) Using a Parallel Fractionation Approach

19-Dec-2017 | Matthias Muschket; Carolina Di Paolo; Andrew J. Tindall; Gérald Touak; Audrey Phan; Martin Krauss; Kristina Kirchner ..., Environmental Science & Technology, 2017

Among all the nuclear-receptor mediated endocrine disruptive effects, antiandrogenicity is frequently observed in aquatic environments and may pose a risk to aquatic organisms. Linking these effects to responsible chemicals is challenging and a great share of antiandrogenic activity detected in ...

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Distinguishing Petroleum (Crude Oil and Fuel) From Smoke Exposure within Populations Based on the Relative Blood Levels of Benzene, Toluene, Ethylbenzene, and Xylenes (BTEX), Styrene and 2,5-Dimethylfuran by Pattern Recognition Using Artificial Neural Networks

19-Dec-2017 | D. M. Chambers; C. M. Reese; L. G. Thornburg; E. Sanchez; J. P. Rafson; B. C. Blount; J. R. E. Ruhl, III; V. R. De Jesús, Environmental Science & Technology, 2017

Studies of exposure to petroleum (crude oil/fuel) often involve monitoring benzene, toluene, ethylbenzene, xylenes (BTEX), and styrene (BTEXS) because of their toxicity and gas-phase prevalence, where exposure is typically by inhalation. However, BTEXS levels in the general U.S. population are ...

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Time Trends in Per- and Polyfluoroalkyl Substances (PFASs) in California Women: Declining Serum Levels, 2011–2015

19-Dec-2017 | Susan Hurley; Debbie Goldberg; Miaomiao Wang; June-Soo Park; Myrto Petreas; Leslie Bernstein; Hoda Anton-Culver; Dav ..., Environmental Science & Technology, 2017

After several decades of widespread use, some per- and polyfluoroalkyl substances (PFASs) were phased-out of use due to concerns raised by their persistent, bioaccumulative, and toxic properties. Our objective was to evaluate temporal trends in serum PFAS levels among 1257 middle-aged and older ...

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Chemical Degradation of Polyacrylamide during Hydraulic Fracturing

19-Dec-2017 | Boya Xiong; Zachary Miller; Selina Roman-White; Travis Tasker; Benjamin Farina; Bethany Piechowicz; William D. Burgo ..., Environmental Science & Technology, 2017

Polyacrylamide (PAM) based friction reducers are a primary ingredient of slickwater hydraulic fracturing fluids. Little is known regarding the fate of these polymers under downhole conditions, which could have important environmental impacts including decisions on strategies for reuse or ...

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Sequestration of Antimony on Calcite Observed by Time-Resolved Nanoscale Imaging

19-Dec-2017 | François Renard; Christine V. Putnis; German Montes-Hernandez; Helen E. King; Gijs D. Breedveld; Gudny Okkenhaug, Environmental Science & Technology, 2017

Antimony, which has damaging effects on the human body and the ecosystem, can be released into soils, ground-, and surface waters either from ore minerals that weather in near surface environments, or due to anthropogenic releases from waste rich in antimony, a component used in batteries, ...

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