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  • Studies toward the total synthesis of azaspiracid-1

    Creator:
    Kuiper, Damien L.
    Abstract:
    Azaspiracid has generated an enormous amount of scientific interest in the fourteen years since its initial discovery. The structure contains a 6,5,6 bis-spiroketal, a [3.3.1] bicyclic ketal and a 6,5-spiroaminal linkage as key moieties. With 9 rings, 20 stereocenters and three alkenes, the azaspiracid immediately attracted the interest of the...
    Resource Type:
    Dissertation
    Full Text:
    Elaboration of lactol 1.16.6…………………………………………………………….. 18 1.18: Forsyth!s Gold Mediated Cycloisomerization

  • Magnetic particles for selective extraction of trace analytes in microfluidic devices

    Creator:
    Tennico, Yolanda H.
    Abstract:
    The development of micro total analysis systems (µTAS), also called “lab-on-a-chip”, or microfluidic analysis systems, is presented in this dissertation. Various research areas, covering subjects from magnetic particles synthesis to novel microchip fabrication techniques, are explored to develop a lab-on-a-chip system capable of performing magnetic bead-based bioassays. These devices are...
    Resource Type:
    Dissertation
    Full Text:
    1.2.1.1. Photolitography……………………………………..17 1.2.1.2. Hot embossing………………………………………18 1.2.1.3. Casting

  • Toad Populations Decreasing in South Korea

    Creator:
    Chung, Yun Soo
    Abstract:
    Massive die-offs of Bufo bufo gargarizans were observed in May 2008 in Mangwal Gee, Korea. To find out the causes for this disaster several different elements were examined: pH, total nitrogen, dissolved oxygen (DO), and dissolved heavy metal, suspension, introduced species, habitat change, disease, temperature changes, and precipitation and humidity....
    Resource Type:
    Honors College Thesis
    Full Text:
    Humidity at Daegue------------------------------------------ 18 LIST OF GRAPHS

  • Copper and iron chalcogenides for efficient solar absorption

    Creator:
    Platt, Heather A. S.
    Abstract:
    This dissertation outlines two approaches for improving the efficiency and reducing the cost of photovoltaic energy generation. First, the structures of known binary copper and iron compounds are used to choose the promising compositions Fe₂XS₄ (X = Si, Ge), Cu₃TaQ₄ (Q = Se, Te), and BaCuQ'F (Q' = S, Se,...
    Resource Type:
    Dissertation
    Full Text:
    Introduction ........................................................................... 18 2.2 Experimental

  • Adapting the Methylene Blue Sulfide Detection Method for Use in a Microfluidic in-situ Monitoring Device

    Creator:
    Monares, Shane W.
    Abstract:
    Sulfide is an important species to measure in environmental water samples. The spectrophotometric detection method for reduced sulfur species (sulfide) based on generation of methylene blue was adapted to work in an apparatus utilizing microfluidic PDMS mixing and observation cells with flow channels in the 100 μm range. The benefits...
    Resource Type:
    Honors College Thesis
    Full Text:
    ........................................................................................................................18 2. Reagent concentrations before the reaction and after dilution for Cline’s method, and

  • Design and Fabrication of a Polymeric Microfluidic Device for Automated

    Creator:
    Warner, Kelsie E.
    Abstract:
    Gene synthesis is an important tool in molecular biology. However, the current bench-top method of gene synthesis is a costly, time-intensive and reagent-consuming process. Lab-on-chip technology has many benefits over current bench top methods. Microchips consume smaller reagent volumes, are reusable and less expensive to make. This thesis explores the...
    Resource Type:
    Honors College Thesis
    Full Text:
     .................................................................................................................................. 18� LIST OF FIGURES Page Figure 2.1 Streptavidin agarose bead bound to

  • The chemistry of acetohydroxamic acid related to nuclear fuel reprocessing

    Creator:
    Matteson, Brent Searle
    Abstract:
    Used Nuclear Fuel (UNF) contains transuranic (TRU) elements and numerous fission products as a result of the uranium fission process and neutron activation that occur in commercial light water power reactors. Recent environmental and nuclear proliferation concerns have spawned the development of advanced reprocessing techniques to close the nuclear fuel...
    Resource Type:
    Dissertation
    Full Text:
    ............................................................................................ 18  2.2  Chemistry of Solvent Extraction Systems

  • Studies Toward the Synthesis of Natural Product Scaffolds

    Creator:
    Lusk, Jason S.
    Abstract:
    Part 1: A Diels-Alder Approach to the Synthesis of Novel Analogues of the Natural Product Siamenol Due to the prevalence of biaryl motifs in natural product synthesis, the Carter research group has been exploring the utility of a Diels-Alder approach to biaryl synthesis. The Diels-Alder approach involves a [4+2] cycloaddition...
    Resource Type:
    Honors College Thesis
    Full Text:
    NO2 16: X = O 17: X = H 1 2 3 2 3 1 15 18 Scheme 6: Claisen rearrangement to azide 18

  • New luminescent materials and high-performance solution-processed oxide thin films

    Creator:
    Jiang, Kai
    Abstract:
    Crystals of an incongruent-melting compound, Ba₃MgSi₂O₈, were grown by the flux method and its structure was determined by single crystal X-ray diffraction methods. Ba₃MgSi₂O₈ crystallizes in trigonal space group P-3[bar]m1 with a = 5.6123(3) Å, c = 7.2667(9) Å and Z = 1. Eu²⁺ ions prefer one crystallographic Ba site...
    Resource Type:
    Dissertation
    Full Text:
    = 9.3289(10) Å, c = 9.0509(18) Å and Z = 2. Selected photo- luminescence properties of lanthanide ions

  • Zero kinetic energy photoelectron spectroscopy of polycyclic aromatic hydrocarbons

    Creator:
    Zhang, Jie
    Abstract:
    In this dissertation, I present electronic spectra of a few polycyclic aromatic hydrocarbons (PAHs): tetracene, pentacene, pyrene, benzo[g,h,i]perylene and benzo[a]pyrene using resonantly enhanced multiphoton ionization (REMPI) and zero kinetic energy (ZEKE) photoelectron spectroscopy. The work of tetracene and pentacene also combine a laser desorption source with a ZEKE spectrometer, demonstrating...
    Resource Type:
    Dissertation
    Full Text:
    , 390, 18 pages. (48) Joblin, C.; Berné, O.; Simon, A.; Mulas, G. arXiv:0904.3185, 2009. (49) Zhang