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Filtering by: Creator Taylor, Dennis William Remove constraint Creator: Taylor, Dennis William Degree Field Chemistry Remove constraint Degree Field: Chemistry

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  • Analysis of semi-volatile organic contaminants and their accumulation in remote aquatic ecosystems of the western US

    Creator:
    Ackerman, Luke K.
    Abstract:
    Many pesticides, polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), and polycyclic aromatic hydrocarbons are persistent, bio-accumulative, and toxic. These semi-volatile organic compounds (SOCs) can undergo atmospheric transport and deposition in cold, remote ecosystems. A better understanding of their accumulation in the fish of these ecosystems is important to better predict...
    Resource Type:
    Dissertation
    Full Text:
    .; Dennis, G. A comparison of organic contaminants in two high Arctic lake ecosystems, Bjornoya (Bear

  • Determination of fluorochemicals in waste-dominated aqueous systems

    Creator:
    Huset, Carin A.
    Abstract:
    While fluorochemicals have been detected all over the world and in wastewater treatment plants, the effect of wastewater effluent on the receiving waters has not been evaluated. In the first study, the mass flow of fluorochemicals emanating from wastewater treatment plants along the Glatt River in Switzerland was evaluated. The...
    Resource Type:
    Dissertation
    Full Text:
    would like to thank my graduate committee, Drs. William Baird, Douglas Barofsky, Jennifer Field

  • Studying fusion reactions for effect of PCN on heavy nucleus formation and for nuclear structure effects

    Creator:
    Naik, Radhika
    Abstract:
    The fusion reaction ²⁰⁸Pb (⁵⁰Ti, xn) ²⁵⁸⁻x Rf (x = 1-3) was studied to determine PCN (probability that the mononucleus system evolves to form a compound nucleus inside the fission saddle point) and to establish the value of Wsur (survival probability) for the given reaction experimentally. The fission excitation function...
    Resource Type:
    Dissertation
    Full Text:
    Dombsky, Peter Machule, Dave Ottewell, David Cross, Kate Gagnon, and William. J. Mills, the cyclotron

  • Gas-phase fragmentation chemistry of protonated peptide ions

    Creator:
    Bythell, Benjamin James
    Abstract:
    The fragmentation characteristics of protonated peptides have been investigated using tandem mass spectrometry (MS/MS) under various fragmentation regimes and detailed density functional theory (DFT) reaction pathway calculations. The DFT calculations predict novel salt-bridge stabilized transition structures as well as consecutive reactions occurring in proton-bound dimers for some of the ions...
    Resource Type:
    Dissertation
    Full Text:
    through it. A Taylor cone forms at the needle. Charged droplets formed from the analyte electrolytes

  • A Diels-Alder approach to biaryl synthesis

    Creator:
    Ashburn, Bradley O.
    Abstract:
    An expedient approach to the synthesis of a wide range of highly programmable biaryl templates has been accomplished. Utilizing the Diels-Alder [4+2] cycloaddition, a wide range of tri- and tetra-ortho-substituted biaryls have been synthesized in only three to four steps from commercially available materials. We have successfully synthesized entire classes...
    Resource Type:
    Dissertation
    Full Text:
    . Paul R. Blakemore, Prof. Kerry L. McPhail, and Prof. William W. Warren for their guidance. I want to

  • Synthesis of novel ambifunctional atropisomeric 2,2',6,6'-tetrasubstituted biphenyls and investigation of their properties and organocatalytic activity

    Creator:
    Sephton, Mark Alan
    Abstract:
    Ambifunctional axially chiral 2,2',6,6'-tetrasubstituted biphenyls containing nucleophilic (or basic) functional groups juxtaposed with hydrogen-bond donors were synthesized and their properties studied. Applications for the prepared biaryls as potential organocatalysts for enantioselective carbon-carbon bond forming reactions were examined. Processes investigated included: aldol, Michael, nitroaldol (Henry), and Baylis-Hillman reactions. The novel amidoamine...
    Resource Type:
    Dissertation
    Full Text:
    would also like to thank Dr. William Martin, Keith Schwartz, Johanna Perkins, Dr. Miroslav Terinek

  • Mass spectrometry-based identification and characterization of protein and peptide adducts of lipoxidation-derived aldehydes

    Creator:
    Chavez, Juan D.
    Abstract:
    Oxidative stress is recognized as an important underlying factor in the pathogenesis of many degenerative diseases as well as normal senescence. The free radicals, reactive oxygen species (ROS) and electrophiles produced during oxidative stress are capable of modifying nucleic acids, lipids and proteins. There are a variety of oxidative modifications...
    Resource Type:
    Dissertation
    Full Text:
    . William Bisson assisted with the analysis of the protein crystal structures, contributing to the work in

  • Synthesis, structure and properties of some transition metal oxides

    Creator:
    Li, Jun
    Abstract:
    See pdf
    Resource Type:
    Dissertation
    Full Text:
    Keszler, Dr. Janet Tate, Dr. Glenn Evans, Dr. Philip Watson, and Dr. William Warren for serving in my

  • Novel ternary graphite intercalation compounds of alkali metal cations and amines

    Creator:
    Maluangont, Tosapol
    Abstract:
    Novel ternary graphite intercalation compounds (GICs) of alkali metal cations and a wide variety of amines have been synthesized by one-pot chemical syntheses. Alkali metals studied includes Li, Na and K. The families of amines employed are nalkylamines, branched alkylamines, and different structural isomers of diamines and polyamines. Intragallery structures...
    Resource Type:
    Dissertation
    Full Text:
    . William Warnes, and Prof. Phillip Watson. The following persons have helped in different projects which

  • Deposition and characterization of transition metal oxides from aqueous solution

    Creator:
    Betterton, Sharon A.
    Abstract:
    The aqueous chemistries of two transition metal cations, Zr⁴⁺ and Nb⁵⁺, are examined and then used to develop inorganic precursor solutions. The oxides of these cations (ZrO₂ and Nb₂O₅) are deposited and characterized, and their morphological and optical properties discussed. Due to the obstacles created by niobium's aqueous chemistry, an...
    Resource Type:
    Masters Thesis
    Full Text:
    characterization in Chapter 2. Dr. William Casey, Dr. C. André Ohlin, and Dr. Eric Villa provided much of the [N