Search Results - "VandenBoer, T. C."

Evidence for a nitrous acid (HONO) reservoir at the ground surface in Bakersfield, CA, during CalNex 2010 by VandenBoer, T. C., Markovic, M. Z., Sanders, J. E., Ren, X., Pusede, S. E., Browne, E. C., Cohen, R. C., Zhang, L., Thomas, J., Brune, W. H., Murphy, J. G.

“…Measurements of HONO(g) and particulate nitrite (NO2−(p)) were made with a modified Ambient Ion Monitor–Ion Chromatography (AIM‐IC) instrument during…”
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On the temperature dependence of organic reactivity, nitrogen oxides, ozone production, and the impact of emission controls in San Joaquin Valley, California by Pusede, S. E, Gentner, D. R, Wooldridge, P. J, Browne, E. C, Rollins, A. W, Min, K.-E, Russell, A. R, Thomas, J, Zhang, L, Brune, W. H, Henry, S. B, DiGangi, J. P, Keutsch, F. N, Harrold, S. A, Thornton, J. A, Beaver, M. R, St. Clair, J. M, Wennberg, P. O, Sanders, J, Ren, X, VandenBoer, T. C, Markovic, M. Z, Guha, A, Weber, R, Goldstein, A. H, Cohen, R. C

“…The San Joaquin Valley (SJV) experiences some of the worst ozone air quality in the US, frequently exceeding the California 8 h standard of 70.4 ppb. To…”
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Emissions of organic carbon and methane from petroleum and dairy operations in California's San Joaquin Valley by Gentner, D. R, Ford, T. B, Guha, A, Boulanger, K, Brioude, J, Angevine, W. M, de Gouw, J. A, Warneke, C, Gilman, J. B, Ryerson, T. B, Peischl, J, Meinardi, S, Blake, D. R, Atlas, E, Lonneman, W. A, Kleindienst, T. E, Beaver, M. R, Clair, J. M. St, Wennberg, P. O, VandenBoer, T. C, Markovic, M. Z, Murphy, J. G, Harley, R. A, Goldstein, A. H

“…Petroleum and dairy operations are prominent sources of gas-phase organic compounds in California's San Joaquin Valley. It is essential to understand the…”
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Size distribution of alkyl amines in continental particulate matter and their online detection in the gas and particle phase by VandenBoer, T C, Petroff, A, Markovic, M Z, Murphy, J G

“…An ion chromatographic method is described for the quantification of the simple alkyl amines: methylamine (MA), dimethylamine (DMA), trimethylamine (TMA),…”
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The influence of gas-particle partitioning and surface-atmosphere exchange on ammonia during BAQS-Met by Ellis, R. A., Murphy, J. G., Markovic, M. Z., VandenBoer, T. C., Makar, P. A., Brook, J., Mihele, C.

“…The Border Air Quality and Meteorology study (BAQS-Met) was an intensive field campaign conducted in Southwestern Ontario during the summer of 2007. The focus…”
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N2O5 uptake coefficients and nocturnal NO2 removal rates determined from ambient wintertime measurements by Wagner, N. L., Riedel, T. P., Young, C. J., Bahreini, R., Brock, C. A., Dubé, W. P., Kim, S., Middlebrook, A. M., Öztürk, F., Roberts, J. M., Russo, R., Sive, B., Swarthout, R., Thornton, J. A., VandenBoer, T. C., Zhou, Y., Brown, S. S.

“…Heterogeneous N2O5 uptake onto aerosol is the primary nocturnal path for removal of NOx (= NO + NO2) from the atmosphere and can also result in halogen…”
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Cavity ring-down spectroscopy sensor for detection of hydrogen chloride by Hagen, C. L, Lee, B. C, Franka, I. S, Rath, J. L, VandenBoer, T. C, Roberts, J. M, Brown, S. S, Yalin, A. P

“…A laser-based cavity ring-down spectroscopy (CRDS) sensor for measurement of hydrogen chloride (HCl) has been developed and characterized. The instrument uses…”
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Quantitation of amino sugar stereoisomer and muramic acid biomarkers by hydrophilic interaction liquid chromatography-mass spectrometry by VandenBoer, T.C., Di Lorenzo, R.A., Hems, R.F., Dawe, K.E.R., Ziegler, S.E., Young, C.J.

“…•Ten-minute separation of amino sugars, muramic acid, and N-acetyl glucosamine.•Separation optimized for mobile phase, pH, buffer strength, and…”
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Ion chromatographic separation and quantitation of alkyl methylamines and ethylamines in atmospheric gas and particulate matter using preconcentration and suppressed conductivity detection by VandenBoer, T.C., Markovic, M.Z., Petroff, A., Czar, M.F., Borduas, N., Murphy, J.G.

“…► Two quantitative IC separation methods developed for alkyl methyl and ethyl amines. ► Use of preconcentration improved LOD by up to a factor of 100 over…”
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Measurements and modeling of the inorganic chemical composition of fine particulate matter and associated precursor gases in California's San Joaquin Valley during CalNex 2010 by Markovic, M. Z., VandenBoer, T. C., Baker, K. R., Kelly, J. T., Murphy, J. G.

“…A modified Ambient Ion Monitor‐Ion Chromatograph was utilized to monitor the composition of water‐soluble fine particulate matter (PM2.5) and precursor gases…”
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Effects of Tissue Type and the Dose-Death Interval on the Detection of Acute Ketamine Exposure in Bone and Marrow with Solid-Phase Extraction and ELISA with Liquid Chromatography-Tandem Mass Spectrometry Confirmation by Watterson, James H., VandenBoer, Trevor C.

“…Ketamine exposure was detected in skeletal tissues by ELISA and liquid chromatography-tandem mass spectrometry (LC-MS-MS). Rats (n = 9) received ketamine…”
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Long-term monitoring of cloud water chemistry at Whiteface Mountain: the emergence of a new chemical regime by Lawrence, Christopher E, Casson, Paul, Brandt, Richard, Schwab, James J, Dukett, James E, Snyder, Phil, Yerger, Elizabeth, Kelting, Daniel, VandenBoer, Trevor C, Lance, Sara

“…Atmospheric aqueous chemistry can have profound effects on our environment. The importance of chemistry within the atmospheric aqueous phase started gaining…”
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Cost-effective off-grid automatic precipitation samplers for pollutant and biogeochemical atmospheric deposition by Colussi, Alessia A, Persaud, Daniel, Lao, Melodie, Place, Bryan K, Hems, Rachel F, Ziegler, Susan E, Edwards, Kate A, Young, Cora J, VandenBoer, Trevor C

“…An important transport process for particles and gases from the atmosphere to aquatic and terrestrial environments is through dry and wet deposition. An…”
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The primary and recycling sources of OH during the NACHTT-2011 campaign: HONO as an important OH primary source in the wintertime by Kim, Saewung, VandenBoer, Trevor C., Young, Cora J., Riedel, Theran P., Thornton, Joel A., Swarthout, Bob, Sive, Barkley, Lerner, Brian, Gilman, Jessica B., Warneke, Carsten, Roberts, James M., Guenther, Alex, Wagner, Nicholas L., Dubé, William P., Williams, Eric, Brown, Steven S.

“…We present OH observations from Nitrogen, Aerosol Composition, and Halogens on a Tall Tower 2011 (NACHTT‐11) held at the Boulder Atmospheric Observatory in…”
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Validation of a new cavity ring-down spectrometer for measuring tropospheric gaseous hydrogen chloride by Furlani, Teles C, Veres, Patrick R, Dawe, Kathryn E. R, Neuman, J. Andrew, Brown, Steven S, VandenBoer, Trevor C, Young, Cora J

“…Reliable, sensitive, and widely available hydrogen chloride (HCl) measurements are important for understanding oxidation in many regions of the troposphere. We…”
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A portable, robust, stable, and tunable calibration source for gas-phase nitrous acid (HONO) by Lao, Melodie, Crilley, Leigh R, Salehpoor, Leyla, Furlani, Teles C, Bourgeois, Ilann, Neuman, J. Andrew, Rollins, Andrew W, Veres, Patrick R, Washenfelder, Rebecca A, Womack, Caroline C, Young, Cora J, VandenBoer, Trevor C

“…Atmospheric HONO mixing ratios in indoor and outdoor environments span a range of less than a few parts per trillion by volume (pptv) up to tens of parts per…”
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Quantitation of 11 alkylamines in atmospheric samples: separating structural isomers by ion chromatography by Place, Bryan K, Quilty, Aleya T, Di Lorenzo, Robert A, Ziegler, Susan E, VandenBoer, Trevor C

“…Amines are important drivers in particle formation and growth, which have implications for Earth's climate. In this work, we developed an ion chromatographic…”
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Modeling the diurnal variability of agricultural ammonia in Bakersfield, California, during the CalNex campaign by Lonsdale, Chantelle R, Hegarty, Jennifer D, Cady-Pereira, Karen E, Alvarado, Matthew J, Henze, Daven K, Turner, Matthew D, Capps, Shannon L, Nowak, John B, Neuman, J. Andy, Middlebrook, Ann M, Bahreini, Roya, Murphy, Jennifer G, Markovic, Milos Z, VandenBoer, Trevor C, Russell, Lynn M, Scarino, Amy Jo

“…NH3 retrievals from the NASA Tropospheric Emission Spectrometer (TES), as well as surface and aircraft observations of NH3(g) and submicron NH4(p), are used to…”
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N 2 O 5 uptake coefficients and nocturnal NO 2 removal rates determined from ambient wintertime measurements by Wagner, N. L., Riedel, T. P., Young, C. J., Bahreini, R., Brock, C. A., Dubé, W. P., Kim, S., Middlebrook, A. M., Öztürk, F., Roberts, J. M., Russo, R., Sive, B., Swarthout, R., Thornton, J. A., VandenBoer, T. C., Zhou, Y., Brown, S. S.

“…Heterogeneous N 2 O 5 uptake onto aerosol is the primary nocturnal path for removal of NO x (= NO + NO 2 ) from the atmosphere and can also result in halogen…”
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N sub(2)O sub(5) uptake coefficients and nocturnal NO sub(2) removal rates determined from ambient wintertime measurements by Wagner, N L, Riedel, T P, Young, C J, Bahreini, R, Brock, CA, Dube, W P, Kim, S, Middlebrook, A M, Oeztuerk, F, Roberts, J M, Russo, R, Sive, B, Swarthout, R, Thornton, JA, VandenBoer, T C, Zhou, Y, Brown, S S

“…Heterogeneous N sub(2)O sub(5) uptake onto aerosol is the primary nocturnal path for removal of NO sub(x) (= NO+NO sub(2)) from the atmosphere and can also…”
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