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  • Optical Development and Materials Applications of Tunable Femtosecond Stimulated Raman Spectroscopy

    Creator:
    Zhu, Liangdong
    Abstract:
    To obtain a mechanistic understanding of the chemical processes, techniques that offer a frame-by-frame visualization of molecular structure during a reaction are of vital importance. Numerous efforts and advances have been made in order to acquire such vivid molecular “movies”, especially in the electronic excited state. Ultrafast molecular spectroscopy method...
    Resource Type:
    Dissertation
    Full Text:
    Stokes spectrum of 15 mM laser dye LD390 in solution with an electronic absorption peak at ~355 nm, was

  • Hydro-biogeochemical coupling at the hillslope and catchment scale

    Creator:
    van Verseveld, Willem J.
    Abstract:
    The specific objectives of this dissertation are to determine subsurface flow behaviors across different antecedent wetness conditions from a top-down perspective and to mechanistically assess the hydrological controls on DOC and N transport at the hillslope and catchment scale. The study area is a small catchment where hillslopes issue directly...
    Resource Type:
    Dissertation
    Full Text:
    .............................................................................108 4.3.5. End member mixing analysis (EMMA) ............................................109 4.4

  • Transient electric birefringence for the characterization of cellulose nanocrystals and tobacco mosaic virus

    Creator:
    Taylor, Melissa J.
    Abstract:
    The development of a transient electric birefringence (TEB) apparatus for macroparticle characterization is herein discussed. The experimental difficulties encountered were related largely to poor data resolution. Misalignment and strain birefringence in optical components further complicated results. Improved data digitization methods were developed, and precise mathematical models were derived in order...
    Resource Type:
    Dissertation
    Full Text:
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 4.2.5.1 The Stokes intensities of linear polarized light. . . . . . . . . . . . . . . . 108

  • Synthesis and study of transparent p- and n-type semiconductors and luminescent materials

    Creator:
    Park, Cheol-Hee
    Abstract:
    New transparent p- and n-type semiconductors and luminescent materials have been prepared and characterized. Synthesis, structures, optical and electrical properties of new chalcogenide fluoride p-type transparent semiconductors MCuQF (M=Ba, Sr; Q=S, Se, Te) are described. Band-gap tuning and improvement in conductivity through p-type doping are demonstrated in the family. The...
    Resource Type:
    Dissertation
    Full Text:
    Chiang, Rick E. Presley, Craig L. Munsee, David Hong, Nicci L. Dehuff, Matt Spiegelberg, Emma S

  • DNS study of Particle-bed-Turbulence Interactions in Oscillatory Flows

    Creator:
    Ghodke, Chaitanya Deepak
    Abstract:
    Turbulent flows over rough surfaces are encountered in many engineering and geophysical applications. Flows of this nature, due to their increasing technological interests, have been a subject of rigorous investigation in recent years. Of the particular interest to the oceanographic community is the study of turbulent oscillatory flow over rough...
    Resource Type:
    Dissertation
    Full Text:
    for their prompt support but also for the kind care: Jean Robinson, Phyllis Helvie and Emma Bramwell

  • Aromatic hydrocarbon contaminants : investigations of detection methods, bioremediation strategies, and toxicity impacts

    Creator:
    Huizenga, Juliana M.
    Abstract:
    Aromatic hydrocarbons represent a large class of environmental contaminants that have a broad range of structures, physicochemical properties, and toxicities. Arising from the burning of organic matter, particularly fossil fuels, they are both widespread and abundant in all environmental compartments. Both monoaromatic hydrocarbons (BTEX) and polycyclic aromatic hydrocarbons (PAHs) are...
    Resource Type:
    Dissertation
    Full Text:
    . Text in EEMs represent Stokes shift associated with components and standards

  • Profiling Zebrafish Developmental Responses to E-Cigarette Flavor Mixtures

    Creator:
    Holden, Laura, L.
    Abstract:
    Since 2007, electronic cigarette (e-cigarette) sales in the U.S. have surpassed those of tobacco cigarettes. This is due, in part, to manufacturer’s claims that they are a safer alternative to tobacco cigarettes. However, formaldehyde, acrolein, and diacetyl have been detected in e-cigarettes and public knowledge of e-cigarette composition and potential...
    Resource Type:
    Masters Thesis
    Full Text:
    , Emma and Katherine Holden for helping me stay motivated and interested in my work – their interests

  • Biogeochemical signals of mountainous forested watersheds' response to disturbance

    Creator:
    Guerrero-Bolaño Francisco J.
    Abstract:
    Small mountainous watersheds are disproportionate sources of land-derived particulate organic matter (POM) to long-term sinks like lake bottoms and the ocean. As such, these ecosystems are an essential component of the global carbon cycle. The burial of POM in lacustrine and marine sediments contributes to the drawdown of atmospheric CO2...
    Resource Type:
    Dissertation

  • Social calling behavior of Southeast Alaskan humpback whales (Megaptera novaeangliae) : classification and context

    Creator:
    Fournet, Michelle Elizabeth Hardy
    Abstract:
    Humpback whales (Megaptera novaeangliae) are vocal baleen whales that exhibit complex social interactions that vary spatially and seasonally. Across their range, humpback whales produce a wide array of vocalizations including ‘song’, foraging vocalizations, and a range of vocalizations known as social calls -- unclassified non-song vocalizations. This study investigates the...
    Resource Type:
    Masters Thesis
    Full Text:
    summers of 2011 and 2012. Many thanks to (in chronological order): Emma Blouin, Jennifer MacDougal

  • Humpback Whale (Megaptera novaeangliae) Calling Behavior In Southeast Alaska : A Study In Acoustic Ecology And Noise

    Creator:
    Fournet, Michelle E. H.
    Abstract:
    Humpback whales (Megaptera novaeangliae) are a widely distributed baleen whale species, well known for their diverse acoustic behavior. On high-latitude foraging grounds, humpback whales produce a suite of non-song vocalizations (“calls”) in concert with foraging and social behavior. In this dissertation I investigated the role of calls in the acoustic...
    Resource Type:
    Dissertation
    Full Text:
    crews and myself, and to Glacier Bay National Park (Janet, Todd, Emma, Tania, Lewis, Lou, Craig – and