Index Catalog // ScholarsArchive@OSU

Total synthesis of sparteine alkaloids from a common tetraoxobispidine intermediate

Creator:: Melbardis, John
Abstract:: In previous work (Blakemore et al. Org. Lett. 2005, 7, 4721; Heterocycles 2006, 70, 609), successful elaborations of the lupine alkaloids (±)-α-isosparteine (dl-2) and (±)-β-isosparteine (dl-3) were realized from a common tetraoxobispidine precursor, 3,7-diallyl -2,4,6,8-tetraoxo-3,7-diazabicyclo[3.3.1]nonane (93). Herein, the tetraoxobispidine approach to lupine alkaloids was extended to a total synthesis of...
Resource Type:: Masters Thesis
Full Text:: tetraoxobispidine precursor, 3,7-diallyl -2,4,6,8-tetraoxo-3,7-diazabicyclo[3.3.1]nonane (93). Herein, the

Evaluating the response of bees to visual attractants in resource-poor environments

Creator:: Parvin, Lucas
Abstract:: Bee populations are declining around the globe, while the need for their pollination services is increasing with growing food demands by an expanding population. There is a need for innovative practices to increase pollination in agricultural environments without harming wild bee populations. However, the use of artificial visual attractants has...
Resource Type:: Honors College Thesis
Full Text:: : e0187976. Antoine, C. M., and J. R. Forrest. 2021. Nesting habitat of ground-nesting bees: a review. Ecol

CoLocalized Excitation Emission Resolution : A CLEER approach for multicolor fluorescence analysis

Creator:: Almlie, C. Kyle
Abstract:: Fluorescence has proven to be a robust and powerful method of analysis in numerous fields: forensics, pharmaceutics, geology, food science, and environmental sciences have all developed a large collection of fluorescence instruments and methods to overcome application-specific challenges. Biological applications saw the same development of a fluorescence toolkit with methods...
Resource Type:: Dissertation
Full Text:: ..................................................................................................... 47 3.2.1 TP-DSO Instrument

Synthesis and catalytic applications of derivatives of 7,7'-dihydroxy-8,8'-biquinolyl (azaBINOL)

Creator:: Wang, Chao
Abstract:: The synthesis of axially chiral polyfunctional derivatives of 8,8'-biquinolyl was explored and the catalytic action of appropriate derivative types investigated in three separate processes: (1) the silylcyanation of carbonyl groups and imines, (2) alkylation of a glycine Schiff-base via phase transfer-catalysis, and (3) direct amide bond formation from simple amines...
Resource Type:: Dissertation
Full Text:: structurally varied analogs 93, 104-107…………… 47 12. Two mutually orthogonal views of the ORTEP diagram for

Terahertz transmission & spectroscopy of vertically grown multi-walled carbon nanotube forests

Creator:: Maizy, Louis
Abstract:: In this thesis, I present studies in the field of terahertz [THz] spectroscopy. It covers both the generation and detection of ultra-fast broadband THz pulses, as well as the transmission properties of vertically grown multi-walled carbon nanotube forests [MWCNTs]. We have found that these vertically grown MWCNTs respond strongly to...
Resource Type:: Masters Thesis
Full Text:: then yields the following formulae: tp = t012p = t01pt12p exp(−iβp) 1 + r01pr12p exp(−i2βp) (2.17

Freezing of a Weeks-Chandler-Anderson Fluid using Classical Density Functional Theory

Creator:: Finster, Kirstie L.
Abstract:: We use Classical Density Functional Theory (cDFT) to predict the freezing of a Weeks-Chandler-Anderson (WCA) fluid, and construct pressure-temperature and temperature-density phase diagrams. A WCA fluid consists of soft spheres that exhibit the repulsive portion of the Lennard-Jones potential widely used to model the interaction of two neutral atoms. Our...
Resource Type:: Masters Thesis

Expediting the Generation and Analysis of Amorphous Oxide Computational Models: Modeling Complex Systems Swiftly

Creator:: Buchanan, Jacob C.
Abstract:: In this dissertation, the process of computational modeling of amorphous oxide materials is studied. Amorphous oxides have random atomic arrangements with no long-range structural order which makes it difficult to study structure-property relationships. Despite the difficulties, amorphous oxides have great uses as semiconductors and dielectrics in thin-film transistors. The ability...
Resource Type:: Dissertation
Full Text:: Ba0.5Sr0.5TiO3 Gate Insulator. Appl. Phys. Lett. 2008, 93 (24), 242111. 17. Han, C. S.; Choi, H. R.; Choi, H

Classical Density Functional for the Weeks-Chandler-Andersen Soft-Sphere Repulsive Potential using Soft Fundamental Measure Theory

Creator:: Finster, Kirstie L.
Abstract:: We present a classical density functional to model the soft, repulsive potential of a Weeks-Chandler-Andersen (WCA) fluid using Soft Fundamental Measure Theory (SFMT) with temperature-dependent parameters inspired by the Barker-Henderson method. Our functional uses soft spheres to model the soft-sphere WCA potential, and gives results that are in good agreement...
Resource Type:: Dissertation

Evaluation of Stress Corrosion Cracking of 316L Stainless Steel in FLiNaK Using the Slow Strain Rate Technique

Creator:: Quintana, Xavier A.
Abstract:: Molten salts have been targeted as a promising coolant for next generation reactors due to their high boiling point, heat capacity, and thermal conductivity. Despite these benefits, molten salt systems present unique materials compatibility issues, highlighted by the aggressive corrosion attack and dealloying typically seen on materials in these environments....
Resource Type:: Masters Thesis
Full Text:: MPa, and (c) 159 MPa. (d) Scheme of determining crack incubation time (Ti) and propagation time (Tp

Per- and Polyfluoroalkyl Substances (PFAS) in Environmental Air-Water Matrices and Light Non-Aqueous Phase Liquids (LNAPL)

Creator:: Schwichtenberg, Trever J.
Abstract:: The presence of per- and polyfluoroalkyl substances (PFAS), organic contaminants first synthesized in the 1940s, has been reported worldwide in a variety of environmental matrices and ultimately in biological systems including humans. Ongoing research into PFAS has included identifying novel PFAS, assessing their fate and transport in the environment, and...
Resource Type:: Dissertation
Full Text:: )……………………………….…………………………………………...93 A4 Average recoveries for MPFOA and MPFOS relative to M2PFOA and M8PFOS for n=8 foam samples

ScholarsArchive@OSU

Total synthesis of sparteine alkaloids from a common tetraoxobispidine intermediate

Evaluating the response of bees to visual attractants in resource-poor environments

CoLocalized Excitation Emission Resolution : A CLEER approach for multicolor fluorescence analysis

Synthesis and catalytic applications of derivatives of 7,7'-dihydroxy-8,8'-biquinolyl (azaBINOL)

Terahertz transmission & spectroscopy of vertically grown multi-walled carbon nanotube forests

Freezing of a Weeks-Chandler-Anderson Fluid using Classical Density Functional Theory

Expediting the Generation and Analysis of Amorphous Oxide Computational Models: Modeling Complex Systems Swiftly

Classical Density Functional for the Weeks-Chandler-Andersen Soft-Sphere Repulsive Potential using Soft Fundamental Measure Theory

Evaluation of Stress Corrosion Cracking of 316L Stainless Steel in FLiNaK Using the Slow Strain Rate Technique

Per- and Polyfluoroalkyl Substances (PFAS) in Environmental Air-Water Matrices and Light Non-Aqueous Phase Liquids (LNAPL)

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