Search Results - "Hawkins, Lelia N."

Carbohydrate-like composition of submicron atmospheric particles and their production from ocean bubble bursting by Russell, Lynn M, Hawkins, Lelia N, Frossard, Amanda A, Quinn, Patricia K, Bates, Tim S

“…Oceans cover over two-thirds of the Earth's surface, and the particles emitted to the atmosphere by waves breaking on sea surfaces provide an important…”
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Formation of Nitrogen-Containing Oligomers by Methylglyoxal and Amines in Simulated Evaporating Cloud Droplets by De Haan, David O, Hawkins, Lelia N, Kononenko, Julia A, Turley, Jacob J, Corrigan, Ashley L, Tolbert, Margaret A, Jimenez, Jose L

“…Reactions of methylglyoxal with amino acids, methylamine, and ammonium sulfate can take place in aqueous aerosol and evaporating cloud droplets. These…”
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Brown Carbon Production in Ammonium- or Amine-Containing Aerosol Particles by Reactive Uptake of Methylglyoxal and Photolytic Cloud Cycling by De Haan, David O, Hawkins, Lelia N, Welsh, Hannah G, Pednekar, Raunak, Casar, Jason R, Pennington, Elyse A, de Loera, Alexia, Jimenez, Natalie G, Symons, Michael A, Zauscher, Melanie, Pajunoja, Aki, Caponi, Lorenzo, Cazaunau, Mathieu, Formenti, Paola, Gratien, Aline, Pangui, Edouard, Doussin, Jean-François

“…The effects of methylglyoxal uptake on the physical and optical properties of aerosol containing amines or ammonium sulfate were determined before and after…”
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Maillard Chemistry in Clouds and Aqueous Aerosol As a Source of Atmospheric Humic-Like Substances by Hawkins, Lelia N, Lemire, Amanda N, Galloway, Melissa M, Corrigan, Ashley L, Turley, Jacob J, Espelien, Brenna M, De Haan, David O

“…The reported optical, physical, and chemical properties of aqueous Maillard reaction mixtures of small aldehydes (glyoxal, methylglyoxal, and glycolaldehyde)…”
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Glyoxal's impact on dry ammonium salts: fast and reversible surface aerosol browning by De Haan, David O, Hawkins, Lelia N, Jansen, Kevin, Welsh, Hannah G, Pednekar, Raunak, de Loera, Alexia, Jimenez, Natalie G, Tolbert, Margaret A, Cazaunau, Mathieu, Gratien, Aline, Bergé, Antonin, Pangui, Edouard, Formenti, Paola, Doussin, Jean-François

“…Alpha-dicarbonyl compounds are believed to form brown carbon in the atmosphere via reactions with ammonium sulfate (AS) in cloud droplets and aqueous aerosol…”
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Polysaccharides, Proteins, and Phytoplankton Fragments: Four Chemically Distinct Types of Marine Primary Organic Aerosol Classified by Single Particle Spectromicroscopy by Hawkins, Lelia N., Russell, Lynn M.

“…Carbon-containing aerosol particles collected in the Arctic and southeastern Pacific marine boundary layers show distinct chemical signatures of proteins,…”
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Organic aerosol characterization by complementary measurements of chemical bonds and molecular fragments by Russell, Lynn M., Bahadur, Ranjit, Hawkins, Lelia N., Allan, James, Baumgardner, Darrel, Quinn, Patricia K., Bates, Timothy S.

“…Organic aerosol chemical markers from normalized concentrations of independent measurements of mass fragments (using Aerosol Mass Spectrometry, AMS) are…”
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Methylamine’s Effects on Methylglyoxal-Containing Aerosol: Chemical, Physical, and Optical Changes by De Haan, David O, Pajunoja, Aki, Hawkins, Lelia N, Welsh, Hannah G, Jimenez, Natalie G, De Loera, Alexia, Zauscher, Melanie, Andretta, Alyssa D, Joyce, Benjamin W, De Haan, Audrey C, Riva, Matthieu, Cui, Tianqu, Surratt, Jason D, Cazaunau, Matthieu, Formenti, Paola, Gratien, Aline, Pangui, Edouard, Doussin, Jean-François

“…Methylamine, a common atmospheric amine species, is found in the gas, particle, and aqueous phases. It has been shown to form light-absorbing, oligomeric…”
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Brown Carbon Formation by Aqueous-Phase Carbonyl Compound Reactions with Amines and Ammonium Sulfate by Powelson, Michelle H, Espelien, Brenna M, Hawkins, Lelia N, Galloway, Melissa M, De Haan, David O

“…Reactions between small water-soluble carbonyl compounds, ammonium sulfate (AS), and/or amines were evaluated for their ability to form light-absorbing species…”
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Oxidation of ketone groups in transported biomass burning aerosol from the 2008 Northern California Lightning Series fires by Hawkins, Lelia N., Russell, Lynn M.

“…Submicron particles were collected from June to September 2008 in La Jolla, California to investigate the composition and sources of atmospheric aerosol in an…”
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Kinetics, Products, and Brown Carbon Formation by Aqueous-Phase Reactions of Glycolaldehyde with Atmospheric Amines and Ammonium Sulfate by Rodriguez, Alyssa A., Rafla, Michael A., Welsh, Hannah G., Pennington, Elyse A., Casar, Jason R., Hawkins, Lelia N., Jimenez, Natalie G., de Loera, Alexia, Stewart, Devoun R., Rojas, Antonio, Tran, Matthew-Khoa, Lin, Peng, Laskin, Alexander, Formenti, Paola, Cazaunau, Mathieu, Pangui, Edouard, Doussin, Jean-François, De Haan, David O.

“…Glycolaldehyde (GAld) is a C2 water-soluble aldehyde produced during the atmospheric oxidation of isoprene and many other species and is commonly found in…”
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How Do I Design a Chemical Reaction To Do Useful Work? Reinvigorating General Chemistry by Connecting Chemistry and Society by Van Heuvelen, Katherine M, Daub, G. William, Hawkins, Lelia N, Johnson, Adam R, Van Ryswyk, Hal, Vosburg, David A

“…Insights and methods from the chemical sciences are directly relevant to global challenges such as climate change, renewable energy generation and storage,…”
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Formation of Semisolid, Oligomerized Aqueous SOA: Lab Simulations of Cloud Processing by Hawkins, Lelia N, Baril, Molly J, Sedehi, Nahzaneen, Galloway, Melissa M, De Haan, David O, Schill, Gregory P, Tolbert, Margaret A

“…Glyoxal, methylglyoxal, glycolaldehyde, and hydroxyacetone form N-containing and oligomeric compounds during simulated cloud processing with small amines…”
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Correction to Brown Carbon from Photo-Oxidation of Glyoxal and SO 2 in Aqueous Aerosol by De Haan, David O, Hawkins, Lelia N, Wickremasinghe, Praveen D, Andretta, Alyssa D, Dignum, Juliette R, De Haan, Audrey C, Welsh, Hannah G, Pennington, Elyse A, Cui, Tianqu, Surratt, Jason D, Cazaunau, Mathieu, Pangui, Edouard, Doussin, Jean-François

“…[This corrects the article DOI: 10.1021/acsearthspacechem.3c00035.]…”
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Brown Carbon from Photo-Oxidation of Glyoxal and SO 2 in Aqueous Aerosol by De Haan, David O, Hawkins, Lelia N, Wickremasinghe, Praveen D, Andretta, Alyssa D, Dignum, Juliette R, De Haan, Audrey C, Welsh, Hannah G, Pennington, Elyse A, Cui, Tianqu, Surratt, Jason D, Cazaunau, Mathieu, Pangui, Edouard, Doussin, Jean-François

“…Aqueous-phase dark reactions during the co-oxidation of glyoxal and S(IV) were recently identified as a potential source of brown carbon (BrC). Here, we…”
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Wildfire Smoke Influence on Cloud Water Chemical Composition at Whiteface Mountain, New York by Lee, Jamy Y., Peterson, Peter K., Vear, Logan R., Cook, Ryan D., Sullivan, Amy P., Smith, Ellie, Hawkins, Lelia N., Olson, Nicole E., Hems, Rachel, Snyder, Philip K., Pratt, Kerri A.

“…Wildfires significantly impact air quality and climate, including through the production of aerosols that can nucleate cloud droplets and participate in…”
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Brown Carbon from Photo-Oxidation of Glyoxal and SO2 in Aqueous Aerosol by De Haan, David O., Hawkins, Lelia N., Wickremasinghe, Praveen D., Andretta, Alyssa D., Dignum, Juliette R., De Haan, Audrey C., Welsh, Hannah G., Pennington, Elyse A., Cui, Tianqu, Surratt, Jason D., Cazaunau, Mathieu, Pangui, Edouard, Doussin, Jean-François

“…Aqueous-phase dark reactions during the co-oxidation of glyoxal and S­(IV) were recently identified as a potential source of brown carbon (BrC). Here, we…”
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Correction to Brown Carbon from Photo-Oxidation of Glyoxal and SO2 in Aqueous Aerosol by De Haan, David O., Hawkins, Lelia N., Wickremasinghe, Praveen D., Andretta, Alyssa D., Dignum, Juliette R., De Haan, Audrey C., Welsh, Hannah G., Pennington, Elyse A., Cui, Tianqu, Surratt, Jason D., Cazaunau, Mathieu, Pangui, Edouard, Doussin, Jean-François

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Emphasizing Learning: The Impact of Student Surveys in the Reform of an Introductory Chemistry Course by Van Heuvelen, Katherine M., Blake, Laura Palucki, Daub, G. William, Hawkins, Lelia N., Johnson, Adam R., Van Ryswyk, Hal, Vosburg, David A.

“…This article discusses how a chemistry department paired the redesign of a required introductory-level chemistry sequence with assessment that privileged the…”
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Brown Carbon Aerosol Formation by Multiphase Catechol Photooxidation in the Presence of Soluble Iron by De Haan, David O., Hawkins, Lelia N., Weber, Jacob A., Moul, Benjamin T., Hui, Samson, Cox, Santeh A., Esse, Jennifer U., Skochdopole, Nathan R., Lynch, Carys P., De Haan, Audrey C., Le, Chen, Cazaunau, Mathieu, Bergé, Antonin, Pangui, Edouard, Heuser, Johannes, Doussin, Jean-François, Picquet-Varrault, Bénédicte

“…Catechol (1,2-benzenediol), a common phenolic species emitted during biomass burning, is both redox active and metal chelating. When oxidized by OH radicals in…”
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