Search Results - "Vicki H. Grassian"

When Size Really Matters: Size-Dependent Properties and Surface Chemistry of Metal and Metal Oxide Nanoparticles in Gas and Liquid Phase Environments by Grassian, Vicki H

“…It is clear if one peruses the pages of The Journal of Physical Chemistry and other journals of the American Chemical Society that in the years around the…”
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Titanium Dioxide Photocatalysis in Atmospheric Chemistry by Chen, Haihan, Nanayakkara, Charith E, Grassian, Vicki H

“…Chen et al examine atmospheric chemistry with regard to titanium dioxide photocatalysis…”
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Role(s) of adsorbed water in the surface chemistry of environmental interfaces by Rubasinghege, Gayan, Grassian, Vicki H

“…The chemistry of environmental interfaces such as oxide and carbonate surfaces under ambient conditions of temperature and relative humidity is of great…”
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Bovine serum albumin adsorption on SiO2 and TiO2 nanoparticle surfaces at circumneutral and acidic pH: A tale of two nano-bio surface interactions by Givens, Brittany E., Xu, Zhenzhu, Fiegel, Jennifer, Grassian, Vicki H.

“…[Display omitted] The interaction of a model protein, bovine serum albumin (BSA) with two different metal oxide nanoparticles, TiO2 (∼22nm) and SiO2 (∼14nm),…”
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Iron Dissolution of Dust Source Materials during Simulated Acidic Processing: The Effect of Sulfuric, Acetic, and Oxalic Acids by Chen, Haihan, Grassian, Vicki H

“…Atmospheric organic acids potentially display different capacities in iron (Fe) mobilization from atmospheric dust compared with inorganic acids, but few…”
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Citric Acid Adsorption on TiO2 Nanoparticles in Aqueous Suspensions at Acidic and Circumneutral pH: Surface Coverage, Surface Speciation, and Its Impact on Nanoparticle−Nanoparticle Interactions by Mudunkotuwa, Imali A, Grassian, Vicki H

“…Citric acid plays an important role as a stabilizer in several nanomaterial syntheses and is a common organic acid found in nature. Here, the adsorption of…”
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Aggregation and Dissolution of 4 nm ZnO Nanoparticles in Aqueous Environments: Influence of pH, Ionic Strength, Size, and Adsorption of Humic Acid by Bian, Shao-Wei, Mudunkotuwa, Imali A., Rupasinghe, Thilini, Grassian, Vicki H.

“…Metal oxide nanoparticles are used in a wide range of commercial products, leading to an increased interest in the behavior of these materials in the aquatic…”
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ATR-FTIR spectroscopy as a tool to probe surface adsorption on nanoparticles at the liquid-solid interface in environmentally and biologically relevant media by Mudunkotuwa, Imali A, Minshid, Alaa Al, Grassian, Vicki H

“…Given the importance of nanoparticle surface composition in nanotoxicology, analytical tools that can probe nanoparticle surfaces in aqueous media are crucial…”
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Chemistry and Related Properties of Freshly Emitted Sea Spray Aerosol by Quinn, Patricia K, Collins, Douglas B, Grassian, Vicki H, Prather, Kimberly A, Bates, Timothy S

“…The authors examine the chemistry and related properties of freshly emitted sea spray aerosol. Topics discussed include the seawater organic carbon pool…”
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Agglomeration, isolation and dissolution of commercially manufactured silver nanoparticles in aqueous environments by Elzey, Sherrie, Grassian, Vicki H.

“…The increasing use of manufactured nanoparticles ensures these materials will make their way into the environment. Silver nanoparticles in particular, due to…”
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Environmental Implications of Nanoparticle Aging in the Processing and Fate of Copper-Based Nanomaterials by Mudunkotuwa, Imali A, Pettibone, John M, Grassian, Vicki H

“…Copper nanomaterials are being used in a large number of commercial products because these materials exhibit unique optical, magnetic, and electronic…”
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Dissolution of ZnO Nanoparticles at Circumneutral pH: A Study of Size Effects in the Presence and Absence of Citric Acid by Mudunkotuwa, Imali A, Rupasinghe, Thilini, Wu, Chia-Ming, Grassian, Vicki H

“…Understanding size-dependent processes, including dissolution, of engineered nanoparticles is essential in addressing the potential environmental and health…”
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Sea Spray Aerosol: The Chemical Link between the Oceans, Atmosphere, and Climate by Cochran, Richard E, Ryder, Olivia S, Grassian, Vicki H, Prather, Kimberly A

“…The oceans, atmosphere, and clouds are all interconnected through the release and deposition of chemical species, which provide critical feedback in…”
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Role of Atmospheric CO2 and H2O Adsorption on ZnO and CuO Nanoparticle Aging: Formation of New Surface Phases and the Impact on Nanoparticle Dissolution by Gankanda, Aruni, Cwiertny, David M, Grassian, Vicki H

“…Heterogeneous reactions of atmospheric gases with metal oxide nanoparticle surfaces have the potential to cause changes in their physicochemical properties…”
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Titration of Aerosol pH through Droplet Coalescence by Coddens, Ellen M, Angle, Kyle J, Grassian, Vicki H

“…The pH of aqueous aerosols, as well as cloud and fog droplets, has an important influence on the chemistry that takes place within these unique…”
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Poly(isophthalic acid)(ethylene oxide) as a Macromolecular Modulator for Metal–Organic Polyhedra by Chen, Teng-Hao, Wang, Le, Trueblood, Jonathan V, Grassian, Vicki H, Cohen, Seth M

“…A new strategy was developed by using a polymer ligand, poly­(isophthalic acid)­(ethylene oxide), to modulate the growth of metal–organic polyhedra (MOP)…”
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Nitrate Photochemistry on Laboratory Proxies of Mineral Dust Aerosol: Wavelength Dependence and Action Spectra by Gankanda, Aruni, Grassian, Vicki H

“…Nitrate ion adsorbed on the surface of mineral dust particles from heterogeneous reaction of nitric acid, nitrogen pentoxide, and nitrogen dioxide is thought…”
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Analysis of Organic Anionic Surfactants in Fine and Coarse Fractions of Freshly Emitted Sea Spray Aerosol by Cochran, Richard E, Laskina, Olga, Jayarathne, Thilina, Laskin, Alexander, Laskin, Julia, Lin, Peng, Sultana, Camille, Lee, Christopher, Moore, Kathryn A, Cappa, Christopher D, Bertram, Timothy H, Prather, Kimberly A, Grassian, Vicki H, Stone, Elizabeth A

“…The inclusion of organic compounds in freshly emitted sea spray aerosol (SSA) has been shown to be size-dependent, with an increasing organic fraction in…”
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Acidity across the interface from the ocean surface to sea spray aerosol by Angle, Kyle J., Crocker, Daniel R., Simpson, Rebecca M. C., Mayer, Kathryn J., Garofalo, Lauren A., Moore, Alexia N., Garcia, Stephanie L. Mora, Or, Victor W., Srinivasan, Sudarshan, Farhan, Mahum, Sauer, Jon S., Lee, Christopher, Pothier, Matson A., Farmer, Delphine K., Martz, Todd R., Bertram, Timothy H., Cappa, Christopher D., Prather, Kimberly A., Grassian, Vicki H.

“…Aerosols impact climate, human health, and the chemistry of the atmosphere, and aerosol pH plays a major role in the physicochemical properties of the aerosol…”
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Selectivity Across the Interface: A Test of Surface Activity in the Composition of Organic-Enriched Aerosols from Bubble Bursting by Cochran, Richard E, Jayarathne, Thilina, Stone, Elizabeth A, Grassian, Vicki H

“…Although theories have been developed that describe surface activity of organic molecules at the air–water interface, few studies have tested how surface…”
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