Open Access. Powered by Scholars. Published by Universities.®
Physical Sciences and Mathematics Commons™
Open Access. Powered by Scholars. Published by Universities.®
- Discipline
Articles 1 - 6 of 6
Full-Text Articles in Physical Sciences and Mathematics
Quantum Diffusion-Limited Aggregation, David Bradley Johnson
Quantum Diffusion-Limited Aggregation, David Bradley Johnson
Undergraduate Honors Thesis Collection
Though classical random walks have been studied for many years, research concerning their quantum analogues, quantum random walks, has only come about recently. Numerous simulations of both types of walks have been run and analyzed, and are generally well-understood. Research pertaining to one of the more important properties of classical random walks, namely, their ability to build fractal structures in diffusion-limited aggregation, has been particularly noteworthy. However, nobody has yet pursued this avenue of research in the realm of quantum random walks. The study of random walks and the structures they build has various applications in materials science. Since all …
Characterization Of Esterase Activity From The Bacteria, Francisella Tularensis, The Causative Agent Of Tularemia, Leigh Anna Weston
Characterization Of Esterase Activity From The Bacteria, Francisella Tularensis, The Causative Agent Of Tularemia, Leigh Anna Weston
Undergraduate Honors Thesis Collection
Francisella tularensis is the bacteria responsible for causing the disease tularemia and is listed as one of the top three-biowarfare agents. Among the proteins essential to the virulence and infectivity of F.tularensis are multiple esterases, which are enzymes that break down various ester, thioester, and amide bonds. In this project, the catalytic activity, substrate speci fi city, and structure of a putative esterase from F.tularensis was studied. Latent fluorophores based on the molecule, fluorescein, were unmasked by the enzymatic activity of the esterase and the increase in fluorescence was measured over time to determine how well the e tcrase recognized …
The Effect Of Tidal Disruptions On Giant Stars In The Galactic Center, Brian B. Geiss
The Effect Of Tidal Disruptions On Giant Stars In The Galactic Center, Brian B. Geiss
Undergraduate Honors Thesis Collection
Recent observational data suggest the depletion of late-type giant stars in the inner most region of the Galactive Nucleus. Using dynamically evolving Fokker-Planck models of the Galactic Nucleus, we have followed in detail the stellar distribution as it evolves through the postmain-sequence phases. Of particular interest was the effect of stellar collisions and tidal disruptions by the central massive black hole on post main sequence stars as they expand in size. B y modeling tidal disruptions and stellar collisions, we have found that there should be a significant depletion of the giant stars in the innermost regions of the nucleus. …
Development Of A Green Method For Amide Synthesis, Megan Ruth Darragh
Development Of A Green Method For Amide Synthesis, Megan Ruth Darragh
Undergraduate Honors Thesis Collection
The aim of this work was to determine the scope and limitations of using microwave technology, solvent-free conditions and green chemistry-applicable solid supports for amide synthesis. We hypothesize that the method developed by Comerford et al [12] may be applicable to other solid support systems already in use (silica, fly ash, and alumina), and that combined with the use of microwave technology, green and efficient synthesis of varied amides and other dehydration reaction products may be possible. These methods should show application to undergraduate, organic chemistry laboratories as well as large-scale production laboratories.
Chiral Recognition Study Of A Bimolecular Process In Amino Acid Chiral Ionic Liquids, Laurel Millikan Heckman
Chiral Recognition Study Of A Bimolecular Process In Amino Acid Chiral Ionic Liquids, Laurel Millikan Heckman
Undergraduate Honors Thesis Collection
In this study, chiral ionic liquid (CIL) solvents were prepared and tested for their chiral discrimination ability by probing with luminescence quenching. The CIL's were also tested for their impurities, viscosity and density. These experiments will help to determine the ability of CIL's to act as solvents in asymmetric catalysis. The chiral ionic liquids in this study were composed of amino acid methyl ester cations and bis(trifluoromethane) sulfonimide or bistri flimide anions (i.e. I-alanine methyl ester bistriflimid e, d-alanine methyl ester bistr iflim ide and I-leuci ne methyl ester bistriflimde). Circularly polarized luminescence (CPL) and its quenching in the chiral …
Numerical Simulation Of Nonlinear Wave Propagation With Application To Geophysical Prospecting, Andrew M. Smith
Numerical Simulation Of Nonlinear Wave Propagation With Application To Geophysical Prospecting, Andrew M. Smith
Undergraduate Honors Thesis Collection
Specifically, this research is intended to extend the use of the seismic reflection method to materials for which traditional linear wave analysis is insufficient.