Now showing items 294-313 of 318

    • Toxicity of Particulate Matter from Incineration of Nanowaste 

      Vejerano, Eric P.; Ma, Yanjun; Holder, Amara L.; Pruden, Amy; Elankumaran, Subbiah; Marr, Linsey C. (The Royal Society of Chemistry, 2015-01-13)
      Disposal of some nanomaterial-containing waste by incineration and the subsequent formation of particulate matter (PM) along with hazardous combustion by-products are inevitable. The effect of nanomaterials on the toxicity ...
    • Toxicity of Silver Nanoparticles at the Air-Liquid Interface 

      Holder, Amara L.; Marr, Linsey C. (Hindawi Publishing Corporation, 2013-01-01)
      Silver nanoparticles are one of the most prevalent nanomaterials in consumer products. Some of these products are likely to be aerosolized, making silver nanoparticles a high priority for inhalation toxicity assessment. ...
    • Tracking of a Fluorescent Dye in a Freshwater Lake with an Unmanned Surface Vehicle and an Unmanned Aircraft System 

      Powers, Craig W.; Schmale, David G. III; Hanlon, Regina (2018-01-09)
      Recent catastrophic events in our oceans, including the spill of toxic oil from the explosion of the Deepwater Horizon drilling rig and the rapid dispersion of radioactive particulates from the meltdown of the Fukushima ...
    • Tracking reduction of water lead levels in two homes during the Flint Federal Emergency 

      Mantha, Anurag; Tang, Min; Pieper, Kelsey J.; Parks, Jeffrey L.; Edwards, Marc A. (2020-05-01)
      A Federal Emergency was declared in Flint, MI, on January 16, 2016, 18-months after a switch to Flint River source water without phosphate corrosion control. Remedial actions to resolve the corresponding lead in water ...
    • Translating research to policy at the NCSE 2017 symposium “Microbiology of the Built Environment: Implications for Health and Design” 

      Bope, Ashleigh; Weir, Mark H.; Pruden, Amy; Morowitz, Michael; Mitchell, Jade; Dannemiller, Karen C. (2018-09-15)
      Here, we summarize a symposium entitled “Microbiology of the Built Environment: Implications for Health and Design” that was presented at the National Council for Science and the Environment (NCSE) 17th National Conference ...
    • Transmission of SARS-CoV-2 by inhalation of respiratory aerosol in the Skagit Valley Chorale superspreading event 

      Miller, Shelly; Nazaroff, William W.; Jimenez, Jose L.; Boerstra, Atze; Buonnano, Giorgio; Dancer, Stephanie J.; Kurnitski, Jarek; Marr, Linsey C.; Morawska, Lidia; Noakes, Catherine (medRxiv, 2020-06-15)
      During the 2020 COVID-19 pandemic, an outbreak occurred following attendance of a symptomatic index case at a regular weekly rehearsal on 10 March of the Skagit Valley Chorale (SVC). After that rehearsal, 53 members of the ...
    • Two-phase Monte Carlo simulation for partitioning the effects of epistemic and aleatory uncertainty in TMDL modeling 

      Mishra, Anurag; Ahmadisharaf, Ebrahim; Benham, Brian L.; Gallagher, Daniel L.; Reckhow, Kenneth H.; Smith, Eric P. (American Society of Civil Engineers (ASCE), 2018-10-29)
      A two-phase Monte Carlo simulation (TPMCS) uncertainty analysis framework is used to analyze epistemic and aleatory uncertainty associated with simulated exceedances of an in-stream fecal coliform (FC) water quality criterion ...
    • Understanding Ammonium Transport in Bioelectrochemical Systems towards its Recovery 

      Liu, Y.; Qin, M.; Luo, S.; He, Z.; Qiao, R. (Nature Publishing Group, 2016-03-03)
      We report an integrated experimental and simulation study of ammonia recovery using microbial electrolysis cells (MECs). The transport of various species during the batch-mode operation of an MEC was examined experimentally ...
    • Unifying Advective and Diffusive Descriptions of Bedform Pumping in the Benthic Biolayer of Streams 

      Grant, Stanley B.; Monofy, Ahmed; Boano, Fulvio; Gomez-Velez, Jesus D.; Guymer, Ian; Harvey, Judson; Ghisalberti, Marco (2020-09-01)
      Many water quality and ecosystem functions performed by streams occur in the benthic biolayer, the biologically active upper (similar to 5 cm) layer of the streambed. Solute transport through the benthic biolayer is ...
    • Unsupervised Identification of Arbitrarily-damped Structures using Time-Scale ICA: Experimental Investigations 

      Farzampour, Alireza; Kamali-Asl, Arash; Hu, Jong Wan (2018-09-14)
      To identify the dynamic parameters of the structures with sufficient accuracy, a new method is developed and used in this study. In this method, the wavelet-transformed (WT) representation of system responses is conducted ...
    • Urban influence on the concentration and composition of submicron particulate matter in central Amazonia 

      de Sa, Suzane S.; Palm, Brett B.; Campuzano-Jost, Pedro; Day, Douglas A.; Hu, Weiwei; Isaacman-VanWertz, Gabriel; Yee, Lindsay D.; Brito, Joel; Carbone, Samara; Ribeiro, Igor O.; Cirino, Glauber G.; Liu, Yingjun; Thalman, Ryan; Sedlacek, Arthur; Funk, Aaron; Schumacher, Courtney; Shilling, John E.; Schneider, Johannes; Artaxo, Paulo; Goldstein, Allen H.; Souza, Rodrigo A. F.; Wang, Jian; McKinney, Karena A.; Barbosa, Henrique; Alexander, M. Lizabeth; Jimenez, Jose L.; Martin, Scot T. (European Geophysical Union, 2018-08-23)
      An understanding of how anthropogenic emissions affect the concentrations and composition of airborne particulate matter (PM) is fundamental to quantifying the influence of human activities on climate and air quality. The ...
    • Urban pollution greatly enhances formation of natural aerosols over the Amazon rainforest 

      Shrivastava, Manish; Andreae, Meinrat O.; Artaxo, Paulo; Barbosa, Henrique M. J.; Berg, Larry K.; Brito, Joel; Ching, Joseph; Easter, Richard C.; Fan, Jiwen; Fast, Jerome D.; Feng, Zhe; Fuentes, Jose D.; Glasius, Marianne; Goldstein, Allen H.; Alves, Eliane Gomes; Gomes, Helber; Gu, Dasa; Guenther, Alex; Jathar, Shantanu H.; Kim, Saewung; Liu, Ying; Lou, Sijia; Martin, Scot T.; McNeill, V. Faye; Medeiros, Adan; de Sa, Suzane S.; Shilling, John E.; Springston, Stephen R.; Souza, R. A. F.; Thornton, Joel A.; Isaacman-VanWertz, Gabriel; Yee, Lindsay D.; Ynoue, Rita; Zaveri, Rahul A.; Zelenyuk, Alla; Zhao, Chun (Springer Nature, 2019-03-05)
      One of the least understood aspects in atmospheric chemistry is how urban emissions influence the formation of natural organic aerosols, which affect Earth's energy budget. The Amazon rainforest, during its wet season, is ...
    • Using a Molecular Dynamics Simulation to Investigate Asphalt Nano-Cracking under External Loading Conditions 

      Hou, Yue; Wang, Linbing; Wang, Dawei; Qu, Xin; Wu, Jiangfeng (MDPI, 2017-07-28)
      Recent research shows that macro-scale cracking in asphalt binder may originate from its intrinsic defects at the nano-scale. In this paper, a molecular dynamics (MD) simulation was conducted to evaluate the nucleation of ...
    • Using the class 1 integron-integrase gene as a proxy for anthropogenic pollution 

      Gillings, M. R.; Gaze, W. H.; Pruden, Amy; Smalla, K.; Tiedje, J. M.; Zhu, Y.-G. (Nature Publishing Group, 2015-06-01)
      Around all human activity, there are zones of pollution with pesticides, heavy metals, pharmaceuticals, personal care products and the microorganisms associated with human waste streams and agriculture. This diversity of ...
    • Vehicle fleet emissions of black carbon, polycyclic aromatic hydrocarbons, and other pollutants measured by a mobile laboratory in Mexico City 

      Jiang, M.; Marr, Linsey C.; Dunlea, E. J.; Herndon, S. C.; Jayne, J. T.; Kolb, C. E.; Knighton, W. B.; Rogers, T. M.; Zavala, M.; Molina, L. T.; Molina, M. J. (Copernicus Publications, 2005-12-01)
      Black carbon ( BC) and polycyclic aromatic hydrocarbons (PAHs) are of concern due to their effects on climate and health. The main goal of this research is to provide the first estimate of emissions of BC and particle-phase ...
    • Viruses in the Built Environment (VIBE) meeting report 

      Prussin, Aaron J.; Belser, Jessica A.; Bischoff, Werner; Kelley, Scott T.; Lin, Kaisen; Lindsley, William G.; Nshimyimana, Jean P.; Schuit, Michael; Wu, Zhenyu; Bibby, Kyle; Marr, Linsey C. (2020-01-04)
      Background During a period of rapid growth in our understanding of the microbiology of the built environment in recent years, the majority of research has focused on bacteria and fungi. Viruses, while probably as numerous, ...
    • The Water Footprint of the United States 

      Konar, Megan; Marston, Landon (MDPI, 2020-11-23)
      This paper commemorates the influence of Arjen Y. Hoekstra on water footprint research of the United States. It is part of the Special Issue “In Memory of Prof. Arjen Y. Hoekstra”. Arjen Y. Hoekstra both inspired ...
    • Water heater temperature set point and water use patterns influence Legionella pneumophila and associated microorganisms at the tap 

      Rhoads, William J.; Ji, Pan; Pruden, Amy; Edwards, Marc A. (Biomed Central Ltd, 2015-12-01)
      Background Lowering water heater temperature set points and using less drinking water are common approaches to conserving water and energy; yet, there are discrepancies in past literature regarding the effects of water ...
    • Water Resources Adaptation to Climate and Demand Change in the Potomac River 

      Stagge, James H.; Moglen, Glenn E. (2017-11)
      The effects of climate change are increasingly considered in conjunction with changes in water demand and reservoir sedimentation in forecasts of water supply vulnerability. Here, the relative effects of these factors are ...
    • When Bioelectrochemical Systems Meet Forward Osmosis: Accomplishing Wastewater Treatment and Reuse through Synergy 

      Lu, Yaobin; Qin, Mohan; Yuan, Heyang; Abu-Reesh, Ibrahim M.; He, Zhen (MDPI, 2014-12-23)
      Bioelectrochemical systems (BES) and forward osmosis (FO) are two emerging technologies with great potential for energy-efficient water/wastewater treatment. BES takes advantage of microbial interaction with a solid electron ...