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How nanoscale surface heterogeneity impacts transport of nano- to micro-particles on surfaces under unfavorable attachment conditions
ArticleAbstract: The impact of nanoscale surface heterogeneity on retention of nano-to-micro-scale particles (colloidPalabras claves:Autores:Cesar A. Ron, Johnson W.P., Rasmuson A., VanNess K.Fuentes:scopusHydrodynamic versus Surface Interaction Impacts of Roughness in Closing the Gap between Favorable and Unfavorable Colloid Transport Conditions
ArticleAbstract: Recent experiments revealed that roughness decreases the gap in colloid attachment between favorablePalabras claves:Autores:Cesar A. Ron, Johnson W.P., Rasmuson A., VanNess K.Fuentes:scopusCoupled influences of particle shape, surface property and flow hydrodynamics on rod-shaped colloid transport in porous media
ArticleAbstract: Hypothesis: Natural or engineered colloidal particles are often non-spherical in shape. In contrastPalabras claves:Colloid transport, Particle rotation, Porous media, Rod-shaped particles, Shape effectAutores:Anselmo A.C., Bolster C., Camacho K.M., Eddy Pazmiño, Johnson W.P., Li K., Ma H., Mitragotri S.Fuentes:googlescopusEstimating selenium removal by sedimentation from the Great Salt Lake, Utah
ArticleAbstract: The mass of Se deposited annually to sediment in the Great Salt Lake (GSL) was estimated to determinPalabras claves:Autores:Fuller C., Johnson W.P., Naftz D.L., Oliver W.A., Ximena DíazFuentes:googlescopusContaminant Removal and Precious Metal Recovery by Lateral Channel Filtration in Mining-Impacted Alluvial Floodplains
ArticleAbstract: Water quality impacts from artisanal and small-scale alluvial (placer) gold mining operations occurPalabras claves:alluvial gold, hyporheic, Mercury, Riverbank filtration, trace metalsAutores:Cesar A. Ron, Chica A., Eddy Pazmiño, Frederick L., Johnson W.P., Luis TapiaFuentes:scopusContribution of Nano- to Microscale Roughness to Heterogeneity: Closing the Gap between Unfavorable and Favorable Colloid Attachment Conditions
ArticleAbstract: Surface roughness has been reported to both increase as well as decrease colloid retention. In orderPalabras claves:Autores:Assemi S., Eddy Pazmiño, Johnson W.P., Rasmuson A.Fuentes:googlescopusDirect observations of colloid retention in granular media in the presence of energy barriers, and implications for inferred mechanisms from indirect observations
ArticleAbstract: In this paper we present direct observations of retention of colloids in granular porous media overPalabras claves:Colloid, heterogeneity, Porous media, Secondary energy minimum, Straining, WedgingAutores:Eddy Pazmiño, Johnson W.P., Ma H.Fuentes:googlescopusCuO and ZnO nanoparticles: Phytotoxicity, metal speciation, and induction of oxidative stress in sand-grown wheat
ArticleAbstract: Metal oxide nanoparticles (NPs) are reported to impact plant growth in hydroponic systems. This studPalabras claves:Environmental health and safety, Metal bioaccumulation, Metal oxide nanoparticles, Metal speciation, Oxidative Stress, Phytotoxicity, Solid growth matrix, WheatAutores:Anderson A.J., Boyanov M.I., Britt D.W., Dimkpa C.O., Johnson W.P., Latta D.E., Lucía Eliana Manangón-Perugachi, McLean J.E.Fuentes:googlescopusA Unified Force and Torque Balance for Colloid Transport: Predicting Attachment and Mobilization under Favorable and Unfavorable Conditions
ArticleAbstract: Colloid attachment and detachment behaviors concern a wide range of environmental contexts but havePalabras claves:Autores:Cesar A. Ron, Johnson W.P., Rasmuson A., VanNess K.Fuentes:scopusA microfluidic system for high throughput continuous separation of nanoparticles
Conference ObjectAbstract: In this study, a high throughput nanoparticle separation system is designed that is capable of contiPalabras claves:Nanoparticles, separation, SPLITTAutores:Fernandez D.P., Gale B.K., Johnson W.P., Lambert C., Lucía Eliana Manangón-Perugachi, Sant H., Tasci T.O.Fuentes:scopus