Positions

Overview

  • Organic Geochemist
  • Selected Publications

    Academic Article

    Year Title Altmetric
    2021-10-01 Atmospheric Deposition and Annual Flux of Legacy Perfluoroalkyl Substances and Replacement Perfluoroalkyl Ether Carboxylic Acids in Wilmington, NC, USA. -- Anthropogenic Impacts on the AtmosphereEnvironmental Science and Technology Letters.  8:366-372. 2021-10-01
    2021-03-01 Sorption of Hexafluoropropylene Oxide Dimer Acid to Sediments : Biogeochemical Implications and Analytical ConsiderationsACS Earth Space Chemistry.  5:580-587. 2021-03-01
    2021-02-01 PFOS Dominates PFAS Composition in Ambient Fine Particulate Matter Collected Across North Carolina Nearly 20 Years After the End of Its US ProductionEnviron. Science Processes and Impacts.  23:580-587.. 2021-02-01
    2021-01-01 Anomalously low radiocarbon content of modern n-alkanesOrganic Geochemistry.  152. 2021-01-01
    2021-01-01 Composition of Photochemically Released Dissolved Organic Matter from Resuspended Estuarine Sediments: Implications for the Biogeochemical Cycling of Carbon in Natural WatersOrg. Geochem..  151:104164.. 2021-01-01
    2020-09-01 Isomers of Emerging Per- and Polyfluoroalkyl Substances in Water and Sediment from the Cape Fear River, North Carolina, USAELSEVIER: Chemoshere.  262. 2020-09-01
    2020-05-01 Variable Ethanol Concentrations and Stable Carbon Isotopes Reveal Anthropogenic Ethanol Contributions to RainwaterAtmos. Environ.  234. 2020-05-01
    2020-01-01 Distribution of n-alkanes and their δ2H and δ13C values in typical plants along a terrestrial-coastal-oceanic gradientGeochimica et Cosmochimica Acta.  281. 2020-01-01
    2019-11-01 Methanol and Ethanol Concentrations in a Greenland Ice Core: Implications for Atmospheric Oxidation ChemistryAtmos. Environ.  217:116948. 2019-11-01
    2019-01-01 Compound-Specific Carbon Isotopic Composition of Ethanol in Brazil and US Vehicle Emissions and Wet Deposition.Environmental Science and Technology.  53:1698–1705. 2019-01-01
    2019-01-01 Rapidly increasing Ethanol Concentrations in Rainwater and AirNature Partner Journal, Climate and Atmospheric Science.  2:1-5. 2019-01-01
    2018-12-01 Photodissolution of Dissolved Copper from Resuspended Coastal Marine SedimentsLimnology and Oceanography.  63:773-785. 2018-12-01
    2018-03-01 Variability of ethanol concentration in rainwater driven by origin versus season in coastal and inland North Carolina, USAChemosphere.  195:793-799. 2018-03-01
    2018-02-01 Effects of N-methyl-D-aspartate (NMDA) antagonists ketamine, methoxetamine and phencyclidine on the odor span test of working memory in rats2018-02-01
    2018-01-01 A Novel Headspace GC/MS Method for the Determination of Nanomolar Concentrations of Ethanol, iso Butanol and n-Butanol in Aqueous Environmental SamplesLimnol. Oceanogr..  15. 2018-01-01
    2018-01-01 Photochemical Alteration of Sedimentary Molecular Markers During Resuspension Events in a Shallow EstuaryCoastal Shelf Sci.2018-01-01
    2017-09-01 Photochemical Variability of Gas Phase and Surface Water Ethanol in Southeastern North Carolina, USAAtmos. Environ..  168:55-61. 2017-09-01
    2017-05-01 Use of an Experimentally Determined Henry’s Law Constant for Ethanol in Seawater to Assess the Saturation State of Ethanol in Coastal WatersChemosphere.  182:426-432. 2017-05-01
    2017-03-01 Photorelease of microcystin-LR from resuspended sedimentsHarmful Algae.  63:1-6. 2017-03-01
    2017-02-01 Removal of Atmospheric Ethanol by Wet DepositionGlobal Biogeochemical Cycles.  31:348-356. 2017-02-01
    2017-01-01 A static headspace GC-MS/MS method for the determination of ethanol, ios-butanol and n-butanol at nanomolar concentrations in aqueous environmental samplesLimnology and Oceanography Methods.  15. 2017-01-01
    2017-01-01 Methanol and ethanol record in a Greenland ice core: Implications for source changes and atmospheric oxidation chemistryGeophysical Research Letters2017-01-01
    2017-01-01 Photochemical released of sediment bound brevetoxin (PbTx-2) from resuspended sedimentsMarine Chemistry.  189:25-31. 2017-01-01
    2016-12-01 Nitrogen Content and Isotopic Composition of Spanish Moss (Tillandsia usneoides L.): Reactive Nitrogen Variations and Source Implications Across an Urban Air ShedEnviron Process.  3:711-722. 2016-12-01
    2016-02-01 Surface Waters as a Sink for Atmospheric Gas Phase EthanolChemosphere.  V144:360—365. 2016-02-01
    2016-01-01 Biogeochemistry of Ethanol and Acetaldehyde in Freshwater Sediments of Eastern North Carolina, USAAquatic Geochemistry.  22:177-195. 2016-01-01
    2015-04-01 Isotopic Composition of Nitrate in Sequential Hurricane Irene Precipitation samples: Implications for Changing NOx SourcesAtmos. Environ..  106:191-195. 2015-04-01
    2015-04-01 The Role of Fossil Fuel Combustion on the Stability of Dissolved Iron in RainwaterAtmos. Environ..  187-193. 2015-04-01
    2015-03-01 Characterization of CHOS Compounds in Rainwater From Continental and Coastal Storms by Ultrahigh Resolution Mass SpectrometryAtmospheric Environment.  105:162-168. 2015-03-01
    2014-11-01 Enhanced Detection of the Algal Toxin, PbTx-2, in Marine Waters by Atmospheric Pressure Chemical Ionization Mass SpectrometryRapid Communication in Mass Spectrometry.  28:2455-2460. 2014-11-01
    2014-07-01 Characterization of Carbohydrates in Rainwater from the Southeastern United StatesChemosphere.  107:51-57.. 2014-07-01
    2014-01-01 Enhanced Liquid Chromatography Mass Spectrometry Detection of PbTx-2 in Marine WatersRapid Commun. Mass Sp..  28:2455-2460. 2014-01-01
    2014-01-01 Photochemical Dissolution of Organic Matter from Resuspended Riverine Sediments: Insights From Molecular MarkersGeochimica et Cosmochimica Acta.  73. 2014-01-01
    2014-01-01 Photodegradation of the Antihistamine Cetirizine in Natural WatersEnvironmental Toxicology.  33:2240-2245. 2014-01-01
    2014-01-01 Temporal and Spatial Variations in Rainwater MethanolAtmospheric Chemistry and Physics.  14:10509-10516. 2014-01-01
    2014-01-01 Variability of Ethanol and Acetaldehyde Concentrations in RainwaterAtmospheric Environment.  84c:172-177. 2014-01-01
    2013-05-01 Determination of Ambient Ethanol Concentrations in Aqueous Environmental Matrixes by Two Independent Analyses.Analytical Chemistry.  85:6095-6099. 2013-05-01
    2013-04-01 Carbon isotopic composition of hydrophobic organic material in rainwaterAtmospheric Environment.  68:230-234. 2013-04-01
    2013-01-01 Insights into Dissolved Organic Matter Complexity in Rainwater from Continental and Coastal Storms by Ultrahigh Resolution Fourier Transform Ion Cyclotron Resonance Mass SpectrometryAtmospheric Chemistry and Physics.  13:4829-4838. 2013-01-01
    2013-01-01 Photochemical Dissolution of Organic Matter from Resuspended Riverine Sediments: Insights From Molecular MarkersGeochimica et Cosmochimica Acta2013-01-01
    2012-12-01 Changes in Chemical Composition of Wilmington NC Rainwater Throughout Hurricane IreneAtmospheric Chemistry and Physics2012-12-01
    2012-01-01 Brevetoxin persistence in sediments and seagrass epiphytes of east Florida coastal waters.Harmful Algae.  13:89-94. 2012-01-01
    2012-01-01 Controls on the redox potential of rainwater,Environmental Science and Technology.  46:13103-13111. 2012-01-01
    2012-01-01 Short term temporal variability in the photochemically mediated alterations of chromophoric dissolved organic matter (CDOM) in rainwaterAtmospheric Environment.  50:112-119. 2012-01-01
    2010-01-01 Effects of sunlight on the production of dissolved organic and inorganic nutrients from resuspended sedimentsBiogeochemistry.  98:115-126. 2010-01-01
    2009-09-01 Occurrence of the Artificial Sweetener Sucralose in Coastal and Marine WatersMarine Chemistry.  116:13–17. 2009-09-01
    2008-01-01 Determination of brevetoxin in recent marine sedimentsChemosphere.  1373-1377. 2008-01-01
    2008-01-01 Matrix protected organic matter in a river dominated margin: A possible mechanism to sequester terrestrial organic matter?Geochimica et Cosmochimica Acta.  72:2673-2686. 2008-01-01

    Book

    Year Title Altmetric
    Advanced Techniques in Organic Chemistry CHM 312L.  UNCW Bookstore.

    Presentations

    Research Overview

  • Origin, fate and transport of natural and anthropogenically derived molecules in the geosphere.
  • Principal Investigator On

    Teaching Overview

  • Analytical, Marine and Organic Chemistries
  • Full Name

  • Ralph N Mead