Search Results - "Wiesner, Mark R"

A review of the environmental implications of in situ remediation by nanoscale zero valent iron (nZVI): Behavior, transport and impacts on microbial communities by Lefevre, Emilie, Bossa, Nathan, Wiesner, Mark R., Gunsch, Claudia K.

“…The increasing use of strategies incorporating nanoscale zero valent iron (nZVI) for soil and groundwater in situ remediation is raising some concerns…”
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Preparation of ultrafine magnetic biochar and activated carbon for pharmaceutical adsorption and subsequent degradation by ball milling by Shan, Danna, Deng, Shubo, Zhao, Tianning, Wang, Bin, Wang, Yujue, Huang, Jun, Yu, Gang, Winglee, Judy, Wiesner, Mark R.

“…[Display omitted] •Ultrafine magnetic carbonaceous sorbents are successfully prepared by ball milling.•Biochar/Fe3O4 exhibits fast and high sorption for…”
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Barriers, pathways and processes for uptake, translocation and accumulation of nanomaterials in plants - Critical review by Schwab, Fabienne, Zhai, Guangshu, Kern, Meaghan, Turner, Amalia, Schnoor, Jerald L., Wiesner, Mark R.

“…Uptake, transport and toxicity of engineered nanomaterials (ENMs) into plant cells are complex processes that are currently still not well understood. Parts of…”
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Gold nanoparticle biodissolution by a freshwater macrophyte and its associated microbiome by Avellan, Astrid, Simonin, Marie, McGivney, Eric, Bossa, Nathan, Spielman-Sun, Eleanor, Rocca, Jennifer D., Bernhardt, Emily S., Geitner, Nicholas K., Unrine, Jason M., Wiesner, Mark R., Lowry, Gregory V.

“…Predicting nanoparticle fate in aquatic environments requires mimicking of ecosystem complexity to observe the geochemical processes affecting their behaviour…”
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Estimating Production Data for Five Engineered Nanomaterials As a Basis for Exposure Assessment by Hendren, Christine Ogilvie, Mesnard, Xavier, Dröge, Jocelyn, Wiesner, Mark R

“…The magnitude of engineered nanomaterials (ENMs) being produced and potentially released to the environment is a crucial and thus far unknown input to exposure…”
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Towards a definition of inorganic nanoparticles from an environmental, health and safety perspective by Wiesner, Mark R, Auffan, Mélanie, Rose, Jérôme, Bottero, Jean-Yves, Lowry, Gregory V, Jolivet, Jean-Pierre

“…The regulation of engineered nanoparticles requires a widely agreed definition of such particles. Nanoparticles are routinely defined as particles with sizes…”
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Ultrasonic dispersion of nanoparticles for environmental, health and safety assessment - issues and recommendations by Taurozzi, Julian S., Hackley, Vincent A., Wiesner, Mark R.

“…Abstract Studies designed to investigate the environmental or biological interactions of nanoscale materials frequently rely on the use of ultrasound…”
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Assessing the Risks of Manufactured Nanomaterials by Wiesner, Mark R, Lowry, Greg V, Alvarez, Pedro, Dionysiou, Dianysios, Biswas, Pratim

“…In the evolution of nanotechnology, manufactured nanomaterials are an important step toward a long-term vision of building objects atom-by-atom and…”
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Chlorpyrifos degradation via photoreactive TiO2 nanoparticles: Assessing the impact of a multi-component degradation scenario by Farner Budarz, Jeffrey, Cooper, Ellen M., Gardner, Courtney, Hodzic, Emina, Ferguson, P. Lee, Gunsch, Claudia K., Wiesner, Mark R.

“…•Chlorpyrifos adsorption to TiO2 NPs is not observed to any appreciable extent.•Loss of chlorpyrifos is predominantly due to photocatalytic…”
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Synthesis and characterization of a carbon nanotube/polymer nanocomposite membrane for water treatment by Shawky, Hosam A., Chae, So-Ryong, Lin, Shihong, Wiesner, Mark R.

“…Multi-wall carbon nanotube (MWCNT)/aromatic polyamide (PA) nanocomposite membranes were synthesized by a polymer grafting process. Surface morphology,…”
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A functional assay-based strategy for nanomaterial risk forecasting by Hendren, Christine Ogilvie, Lowry, Gregory V., Unrine, Jason M., Wiesner, Mark R.

“…The study of nanomaterial impacts on environment, health and safety (nanoEHS) has been largely predicated on the assumption that exposure and hazard can be…”
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Comparative Photoactivity and Antibacterial Properties of C60 Fullerenes and Titanium Dioxide Nanoparticles by Brunet, Léna, Lyon, Delina Y, Hotze, Ernest M, Alvarez, Pedro J. J, Wiesner, Mark R

“…The production of reactive oxygen species (ROS) by aqueous suspensions of fullerenes and nano-TiO2 (Degussa P25) was measured both in ultrapure water and in…”
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Long-Term Transformation and Fate of Manufactured Ag Nanoparticles in a Simulated Large Scale Freshwater Emergent Wetland by Lowry, Gregory V, Espinasse, Benjamin P, Badireddy, Appala Raju, Richardson, Curtis J, Reinsch, Brian C, Bryant, Lee D, Bone, Audrey J, Deonarine, Amrika, Chae, Soryong, Therezien, Mathieu, Colman, Benjamin P, Hsu-Kim, Heileen, Bernhardt, Emily S, Matson, Cole W, Wiesner, Mark R

“…Transformations and long-term fate of engineered nanomaterials must be measured in realistic complex natural systems to accurately assess the risks that they…”
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Comparison of the Abilities of Ambient and Manufactured Nanoparticles To Induce Cellular Toxicity According to an Oxidative Stress Paradigm by Xia, Tian, Kovochich, Michael, Brant, Jonathan, Hotze, Matt, Sempf, Joan, Oberley, Terry, Sioutas, Constantinos, Yeh, Joanne I, Wiesner, Mark R, Nel, Andre E

“…Nanomaterial properties differ from those bulk materials of the same composition, allowing them to execute novel activities. A possible downside of these…”
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Intracellular uptake and associated toxicity of silver nanoparticles in Caenorhabditis elegans by Meyer, Joel N., Lord, Christopher A., Yang, Xinyu Y., Turner, Elena A., Badireddy, Appala R., Marinakos, Stella M., Chilkoti, Ashutosh, Wiesner, Mark R., Auffan, Melanie

“…Silver nanoparticles (AgNPs) are frequently used as antimicrobials. While the mechanism(s) by which AgNPs are toxic are unclear, their increasing use raises…”
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Decreasing Uncertainties in Assessing Environmental Exposure, Risk, and Ecological Implications of Nanomaterials by Wiesner, Mark R, Lowry, Gregory V, Jones, Kimberly L, Hochella, Jr, Michael F, Di Giulio, Richard T, Casman, Elizabeth, Bernhardt, Emily S

“…Determining the fate and interactions of nanomaterials in complex environmental contexts is required to assess exposure and possible harm as well as to inform…”
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Concurrent Aggregation and Deposition of TiO2 Nanoparticles in a Sandy Porous Media by Solovitch, Natalia, Labille, Jérôme, Rose, Jérôme, Chaurand, Perrine, Borschneck, Daniel, Wiesner, Mark R, Bottero, Jean-Yves

“…The possibility of simultaneous particle aggregation and deposition in a porous medium was examined for the case of TiO2 nanoparticles (NPs). While potential…”
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Transport and Retention of Colloidal Aggregates of C60 in Porous Media:  Effects of Organic Macromolecules, Ionic Composition, and Preparation Method by Espinasse, Benjamin, Hotze, Ernest M, Wiesner, Mark R

“…The physical−chemical behavior of the fullerene C60 in environmental and physiological media is of interest for understanding the potential transport,…”
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Mechanisms of Photochemistry and Reactive Oxygen Production by Fullerene Suspensions in Water by Hotze, Ernest M, Labille, Jerome, Alvarez, Pedro, Wiesner, Mark R

“…Buckminsterfullerene (C60) is a known photosensitizer that produces reactive oxygen species (ROS) in the presence of light; however, its properties in aqueous…”
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A novel approach for fouling mitigation in anaerobic-anoxic-oxic membrane bioreactor (A2O-MBR) by integrating worm predation by Li, Lipin, Zhang, Jun, Tian, Yu, Sun, Li, Zuo, Wei, Li, Hui, Li, Anran, Wiesner, Mark R.

“…Membrane fouling is one of the biggest challenges in the widespread application of membrane bioreactors. In this study, a combined system of…”
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