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  • Assessing Chemical Dispersants Used During the Deepwater Horizon Oil Spill : Method Innovation and Application

    Creator:
    Perkins, Matt J.
    Abstract:
    Large quantities of the chemical oil dispersant Corexit were applied in the Gulf of Mexico (Gulf) in response to the Deepwater Horizon oil spill. Large data gaps regarding the potential transport, persistence and impact of Corexit in the Gulf existed at the time of the emergency response. Analytical methods for...
    Resource Type:
    Dissertation
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    Matt J. Perkins for the degree of Doctor of Philosophy in Toxicology presented on February 17, 2017

  • Interlayer Electronic Interactions in Twisted and Stacked Bilayer Graphene

    Creator:
    Patel, Hiral
    Abstract:
    The photophysical properties of two-dimensional (2D) layered van der Waals (vdW) materials, and their heterostructures are manifestly distinct from crystalline bulk materials. Recently, the discovery of new 2D vdW materials and strongly-bound interlayer excitons in these materials has created a new branch in nanoscience. As such, there are a number...
    Resource Type:
    Dissertation
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    Graphene Abstract approved: ______________________________________________________ Matt W

  • Toward making the invisible visible : studying science teaching self-efficacy beliefs

    Creator:
    Perkins, Catherine J.
    Abstract:
    This dissertation consists of two articles to be submitted for publication. The first, a literature review, makes visible common influences on science teaching self-efficacy beliefs and also points to potentially invisible validation concerns regarding the instrument used. The second investigates the participants' invisible science teaching self-efficacy beliefs and, through the...
    Resource Type:
    Dissertation
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    ABSTRACT OF THE DISSERTATION OF Catherine J. Perkins for the degree of Doctor of Philosophy in

  • Novel characteristics (Intra and Ex planta) of indigenous serogroups of rhizobium meliloti

    Creator:
    Busse, Matt D.
    Abstract:
    This thesis presents novel findings regarding symbiotic, physiological, and antigenic characteristics of representatives from an indigenous soil-borne population of Rhizobium meliloti. Nodules were sampled from 'Vernal', 'Anchor', and 'Saranac' alfalfa, and the isolates analyzed serologically. Rhizobium meliloti serogroup 31 was identified as a dominant nodule occupant, with a greater and...
    Resource Type:
    Dissertation
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    serogroups of rhizobium meliloti AN ABSTRACT OF THE THESIS OF Matt D. Busse for the degree of Doctor of

  • Expanding the scope of a Diels-Alder approach to biaryl synthesis

    Creator:
    Schwartz, Johanna Perkins
    Abstract:
    A Diels-Alder approach to biaryls (DAB) has been applied towards the synthesis of highly substituted, programmable biaryl templates. Tri- and tetra-ortho-substituted biaryls can be produced in just three to four steps from commercially available materials utilizing the Diels-Alder [4+2] cycloaddition. The methods described herein will illustrate the ability of mono...
    Resource Type:
    Dissertation
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    , 12320. 5. Fukuyama, Y.; Asakawa, Y. J. Chem. Soc. Perkin Trans. 1 1991, 2737. 6. Levine, D. P

  • Model systems for structural investigations into peroxiredoxin catalysis, conformation change, and inactivation

    Creator:
    Perkins, Arden
    Abstract:
    Peroxiredoxin (Prx) enzymes catalyze the reduction of hydrogen peroxide, peroxynitrous acid, and organic peroxides, and are extremely efficient peroxidases, with k[subscript cat]/K[subscript M] on the order of 10⁷ - 10⁸ M⁻¹ s⁻¹. Besides their role in oxidative stress defense, evidence has accumulated that some eukaryotes, including humans, use Prxs as...
    Resource Type:
    Dissertation
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    1 AN ABSTRACT OF THE DISSERTATION OF Arden Perkins

  • The relationship of certain mathematics skills to success of students in introductory community college chemistry

    Creator:
    Perkins, Raymond David
    Abstract:
    This study was designed to identify those specific mathematics computational and application skills, and combinations of mathematics skills, which have a positive relationship to success in introductory chemistry for community college students. Additional areas of interest investigated, but secondary to the main study, were the relationships between mathematical growth shown...
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    Dissertation
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    David Perkins for the degree of Doctor of Philosophy in Science Education presented on March 7, 1978

  • A study of perceptual correlates to role-taking ability with fourth through sixth grade children

    Creator:
    Perkins, Charlotte Jeanne
    Abstract:
    This study was designed for the purpose of expanding knowledge of the correlates of role-taking as measured by Feffer's Role-Taking Task. The variables of perception, sex, age, reading achievement, and ordinal position were investigated. The perceptual variables measured were visual memory, field dependence/independence, auditory memory, and organizing and synthesizing ability....
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    Dissertation
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    AN ABSTRACT OF THE THESIS OF CHARLOTTE JEANNE PERKINS for

  • Effects of disturbance modes on mycorrhizal fungus communities at Crater Lake National Park

    Creator:
    Trappe, Matt
    Abstract:
    Crater Lake National Park presents an excellent opportunity for ecological research due to its relatively pristine landscape, the protection of its natural features, its infrastructure, and a Park administration supportive of scientific inquiry and restoration ecology. The research presented here examines the responses of fungi to various forms of perturbation....
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    Dissertation
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    Commencement June 2008 Doctor of Philosophy dissertation of Matthew J. Trappe presented on February 22

  • Development of a Boiling Surface Effectiveness Parameter by Modeling and Quantifying the Net Coolant Flow Rate

    Creator:
    Harrison, Matt
    Abstract:
    Boiling dynamics and related heat transfer mechanisms have been widely studied for several decades. During that time, incredible progress has been made on quantifying bubble departure phenomena including growth rate, departure frequency, associated natural and forced convection, and radiation additions to the overall heat transfer rate. With this, the thermal...
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    Dissertation
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    Archimedes Number (-) Bo Bond Number (-) C Dimensionless Constant Cp specific heat (J/(kg·K)) Csf