Index Catalog // ScholarsArchive@OSU

Cryoscopy with hydrazine salts as solvent

Creator:: Hermens, Richard Anthony
Resource Type:: Masters Thesis
Full Text:: HYDRAZINE SALTS AS SOLVENT by RICHARD ANTHONY HERMENS A THESIS submitted to OREGON STATE COLLEGE

Diffusion, conductivity and spectral properties of mercury II ion in potassium chloride crystals

Creator:: Allen, Charles Anthony
Resource Type:: Dissertation
Full Text:: mercury II ion in potassium chloride crystals AN ABSTRACT OF THE THESIS OF CHARLES ANTHONY ALLEN for

Approaches to the synthesis of trichothecane sesquiterpenes

Creator:: Thomas, James Anthony
Resource Type:: Dissertation
Full Text:: sesquiterpenes AN ABSTRACT OF THE THESIS OF James Anthony Thomas for the degree of Doctor of Philosophy in

Fundamental structure-property relationships in luminescent materials

Creator:: Diaz, Anthony L.
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Anthony Diaz for the degree of

Some features influencing the valence isomerism of cis-dienones to α-pyrans

Creator:: Gosink, Thomas A. (Thomas Anthony)
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF THOMAS ANTHONY GOSINK for the

A synthesis of 6-n-propyl-7-methyltetralin-5-C¹⁴

Creator:: Odell, Norman Raymond
Resource Type:: Dissertation
Full Text:: . SYNTHESIS OF 146-n- PROPYL-7-.M.ETBYLTETRALIN- 5- C by NORMAN RAYMOND ODELL A THESIS submitted 'Lo

The chemistry and device applications of amorphous thin-film interfaces

Creator:: Knutson, Christopher C.
Abstract:: Solid-state amorphous materials show amazing promise in thin-film electronics. The interface-to-bulk ratio of thin films makes interfacial chemistries of these systems of utmost importance. Thin films of amorphous metals, dielectrics and semiconductors have novel chemistries that are not only based upon their elemental constituent makeup, but also based upon the...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Christopher C. Knutson for the degree of Doctor of Pholosophy in

Tuning Functional Properties of Pyrochlore and Related Oxides via Cation and Anion Substitutions

Creator:: Giampaoli, Gabriella C. S.
Abstract:: Inorganic structures play an important role in materials due to their versatility and diversity. A complete understanding of the structure of a material is vital to enhance the creation of new materials that fill voids in research. The rational design of these compounds is driven by the exploitation of structure-property...
Resource Type:: Dissertation
Full Text:: shown in blue, B, and red, C. (c) A second layer, B, is added on top of the blue void areas in the

The conductivity of lead oxide doped potassium chloride single crystals

Creator:: Knepp, Donald Jack
Abstract:: A comparison was made of the d.c. conductivity of KCI:Pb²⁺ and KCl:PbO single crystals at temperatures greater than 325°C. The energy of activation was 0.72 ev for all crystals. Lead concentration was determined by chemical, optical and electrical methods. The half band width of the UV absorption band at 273...
Resource Type:: Masters Thesis
Full Text:: . William J. Fredericks A comparison was made of the d. c. conductivity of KCI:Pb 2+ and KC1:PbO single

Mass spectrometric analysis of bovine neurofilament proteins NF-L, NF-M, and NF-H : peptide mapping, phosphorylation and alkylation site identification

Creator:: Mixon, April E.
Abstract:: Neurofilament proteins are intermediate filaments found in the neuronal cytoskeleton. Phosphorylation of these proteins is considered important for the assembly and stability of the filaments. Accurate molecular weights have been difficult to measure, largely because the high degree of phosphorylation results in M[subscript r]'S that are significantly greater than dictated...
Resource Type:: Masters Thesis
Full Text:: and NF-M. Sixteen serines and four threonines within the C-terminal tail domain of NF-M were found to

Certain aspects of electron and coupled energy transfer in cardiac muscle

Creator:: Kettman, John Rutherford
Abstract:: The first area of investigation involves the electron transport of sub-mitochondrial particles and their components. The second area is the synthesis of ATP and other energy linked reactions and components of the energy conservation and transfer apparatus. Investigations on the nature of the tetramethyl-p-phenylenediamine (TMPD) shunt indicated that tetrachlorohydroquinone (TCHQ)...
Resource Type:: Dissertation
Full Text:: cytochrome c greatly facilitated interaction of TMPD and TCHQ possibly by generating new pathways of

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:: = 5.6123(3) Å, c = 7.2667(9) Å and Z = 1. Eu2+ ions prefer one crystallographic Ba site in the structure

New Inorganic Pigments from Mineral Structures

Creator:: Schettini Mejia, Carlo A.
Abstract:: The discovery of new blue pigments is a field of great interest, as commercially available pigments present properties that make them undesirable such as poor sustainability, cost, and stability. By researching solid solutions with the melilite structure, we discovered a new solid solution Sr2Zn1-xNixGe2O7, with 0.1 ≤ x ≤ 0.6,...
Resource Type:: Honors College Thesis
Full Text:: Edwards, Ethan Copple, Maris Amsberry, Justin Perez, Cade Tillema, Fr. John Boyle, Owen Caleen, and

Synthesis and characterization of aluminum oxide based materials - from molecule to device

Creator:: Wang, Wei
Abstract:: A scalable synthesis of the "flat" tridecameric inorganic cluster [Al₁₃(μ₃-OH)₆(μ-OH)₁₈(H₂O)₂₄]¹⁵⁺ has been realized by treating an aqueous aluminum nitrate solution with zinc-metal powder at room temperature. Single crystals and polycrystalline samples are readily obtained in yields exceeding 55% relative to the starting reagent Al(NO₃)₃. Products have been characterized by X-ray...
Resource Type:: Dissertation
Full Text:: dielectric properties of the aluminum oxide thin films. After annealing at 500 °C, thin film exhibits low

The design and evaluation of a recording conductometric titrator

Creator:: Knarr, Richard Dennis
Abstract:: A Heath EUW-20A Servo-Recorder was converted to a self-balancing, recording Wheatstone bridge. The EUW-20A 10000Ω slide-wire was used as the variable resistance arm of the bridge, the servo-amplifier was used as the bridge unbalance signal detector, and the servo-motor was used to balance the bridge automatically. The bridge was arranged...
Resource Type:: Masters Thesis
Full Text:: capacitance causes a phase difference between the a -c potentials of two of the bridge arms. This phase

Speciation of inorganic arsenic by hydride generation atomic absorption spectroscopy

Creator:: Ikeda, Marcia Sakiko
Abstract:: A sensitive technique for the determination of As(III) and As{V) at μ/L and sub-μg/L concentrations from a single sample aliquot has been developed. This technique is based on the hydride generation atomic absorption (HGAA) spectrophotometry. The hydrides of the arsenic species are generated in a reaction vessel by mixing the...
Resource Type:: Masters Thesis
Full Text:: 9000 C. The parameters affecting the atomic absorption signal of arsenic that are independent of the

Gas chromatography of metal halides

Creator:: Dennison, James Eugene
Abstract:: An all-glass gas chromatograph was developed for the analysis of corrosive metal halides. Included in the apparatus is a new liquid sampling system designed for fast repetitive sampling of corrosive liquids in an inert atmosphere. A flame photometer detector was developed to permit the detection of corrosive solutes in the...
Resource Type:: Dissertation
Full Text:: A. Heating Oven 11 B. Carrier Gas Supply and Pretreatment 15 C. Flash Vaporizer 17 D. Liquid

Selective detection for gas chromatography by ultraviolet spectrometry

Creator:: Van Engelen, Debra L.
Abstract:: Spectrometric detection systems for gas chromatography (GC) based on gas phase ultraviolet absorbance and fluorescence measurements have been developed and evaluated in this research. Polynuclear aromatic compounds (PNAs) are selectively detected by these systems. Limits of detection for PNAs range from 4 ng to 90 ng for absorbance determinations, and...
Resource Type:: Dissertation
Full Text:: -phase measurements (ca. 250°C) while preserving the resolution of the chromatographic separation and

A Pyrone Diels–Alder Approach to Substituted Indoles and Carbazoles and the Synthesis of New Ropinirole Analogues

Creator:: Points, Gary L., III
Abstract:: Aromatic heterocycles are core structural motifs in natural products, pharmaceuticals and biological polymers. Indoles, in particular, represent a significant subclass of aromatic heterocycles, both in terms of sheer numbers, but also in biological and pharmaceutical relevance. As such, new methodologies for the synthesis of indoles represent an important and continually...
Resource Type:: Dissertation
Full Text:: C. Finally, using this method in combination with other synthetic strategies, we prepared 13

Structure-property relationships of YbFe₂O₄-type layered transition metal oxides

Creator:: Grajczyk, Rosa
Abstract:: The structure–property relationships of solid solutions within the YbFe₂O₄ family of compounds have been studied in relation to their optical, dielectric and magnetic properties. This family of compounds is of recent interest because of the trigonal bipyramid coordination that is rarely observed in transition metal oxides. The systematic study of...
Resource Type:: Dissertation
Full Text:: -xMgxO4 (M 3+ = Al, Fe, Ga) exhibited a large increase in the c lattice parameter as a result of the

Structure-property relationships of oxides with hexagonal AMO₃ and brownmillerite related structures

Creator:: Jiang, Peng
Abstract:: Transition metal oxides exhibit potential in various application fields due to the special d-electrons. Solid state chemistry focuses on discovering the structure-property relationships. The work in this thesis mainly discusses compounds with hexagonal or brownmillerite-type structure and their practical properties. Hexagonal YIn[subscript 1-x]Fe[subscript x]O₃ (x = 0-0.3, 0.7-1.0) phases have...
Resource Type:: Dissertation
Full Text:: expanded in the ab plane but contracted along the c axis direction. ©Copyright

The chemical and physical properties of 2-and 3-bromomethylcyclohexanes

Creator:: Roubal, William Theodore
Resource Type:: Masters Thesis
Full Text:: alcohol slurry of M-4 Raney nickel was added and the material was heated at 240-250°C and 2500-psi for

The addition of hydrogen bromide to 3-methylcyclohexene

Creator:: Dickison, Robert Hanmore
Resource Type:: Masters Thesis
Full Text:: and encouragement during the course ot this invest!• gation, and to Dr . J. c. :Dec1us tor his help

New oxides of vanadium with unusual properties

Creator:: Korthuis, Vincent
Resource Type:: Dissertation
Full Text:: OF THE THESIS OF Vincent C. Korthuis for the degree of Doctor of Philosophy in chemistry, presented

Deposition and characterization of transition metal oxides from aqueous solution

Creator:: Betterton, Sharon A.
Abstract:: The aqueous chemistries of two transition metal cations, Zr⁴⁺ and Nb⁵⁺, are examined and then used to develop inorganic precursor solutions. The oxides of these cations (ZrO₂ and Nb₂O₅) are deposited and characterized, and their morphological and optical properties discussed. Due to the obstacles created by niobium's aqueous chemistry, an...
Resource Type:: Masters Thesis
Full Text:: characterization in Chapter 2. Dr. William Casey, Dr. C. André Ohlin, and Dr. Eric Villa provided much of the [N

In vitro metabolism of Claviceps purpurea (ergot)

Creator:: Anderson, John Arthur
Resource Type:: Dissertation
Full Text:: pH in a crude enzymepreparation............ 23 2 Variation of activity with pH at 36°C. in

Wide band gap semiconductors and insulators : synthesis, processing and characterization

Creator:: Hersh, Peter A.
Abstract:: The work presented here is focused on applying basic principles of solid-state chemistry to the study and development of new wide band-gap semiconductors and insulators for photovoltaic and electronic-device applications. Analysis of crystal structure, band structure, optical band gap, morphology and transport properties provides fundamental insight into materials performance as...
Resource Type:: Dissertation
Full Text:: reference pattern, B = Cu3NbS4 and C = Cu3NbSe4 dashed line shows the 2θ position shift from the

Precursor Chemistry and Film Structure and Properties via Solution Deposition

Creator:: Huang, Yu
Abstract:: Chemistry of preparing dense film from solution deposition is explored with several cases in this thesis. Surface dense structure, conversion at melting point, and ion exchange in aqueous solution are the main topics covered here for the thin films of aluminum oxide phosphate and tin dioxide. Thin film density, optical...
Resource Type:: Dissertation
Full Text:: 350 °C..............................................96 5.9 XRD of solution processed Cu3SbS4

Aqueous chemistries for oxide electronics

Creator:: Meyers, Stephen T.
Abstract:: The variegated aqueous chemistries of metal cations are applied to the design and synthesis of non-toxic solution precursors suitable for additive printing of large-area oxide electronics. Polycondensation behaviors of aqueous Al+3 and PO4 +3 are manipulated in the deposition of atomically smooth amorphous aluminum oxide phosphate (AlPO) dielectric films. AlPO...
Resource Type:: Dissertation
Full Text:: 1000 °C anneal for 5 min. ........................... 54 2.8 Current voltage curves for selected

New, complex group 13 borates : synthesis, structures, and properties

Creator:: Chang, Ki-Seog
Resource Type:: Dissertation
Full Text:: Akella, M.S. Kimberly H. Dahm, M.S. Ken Vandenberghe, Dr. Ho-Kun Kim, Dr. John Evans, Dr. Anthony Diaz

Investigation of the structural influence on the properties of functional inorganic oxides

Creator:: Laurita-Plankis, Geneva
Abstract:: While properties are extremely important from an application point of view, it is crucial to have a detailed understanding of the underlying structural influence. Once a concrete correlation between the structure and the observed property is established, rational design of novel materials with optimized properties can be realized. These optimized...
Resource Type:: Dissertation
Full Text:: ..................................................9 1.6 The pyrochlore structure (c) as derived from the fluorite structure (a) by removal of one

Synthetic studies on indolic enamide natural products: 1. Total syntheses of coscinamide A, concinamide B and igzamide: 2. Synthetic studies towards the synthesis of halocyamine B

Creator:: Ma, Yuelong
Abstract:: The 3-substituded indolic enamide moiety has been found in many marine compounds over the past 20 years. These indolic enamides exhibit various biological properties such as cytotoxic, anthelmintic, antimicrobial and HW-inhibitory activities. Among these indolic enamides, some are (E)-enamides, like coscinamide A and coscinamide B, others are (Z)-configuration in their...
Resource Type:: Masters Thesis
Full Text:: ----C--~=-----.,-~------------- Kevin P. Gable The 3-substituded indolic enamide moiety has been

Electrode double layer measurements and voltammetry of some organosulfur compounds in sulfolane

Creator:: Starkovich, John A.
Abstract:: A new pulse method for measuring differential double layer capacitances has been developed in this work. The technique is based on the determination of the cell time constant which, for an ideally polarized test electrode-solution interface, is composed of the double layer capacitance and solution resistance. By applying small step...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF John Anthony Starkovich for the

Luminescent sulfides and solution-deposited oxide thin films

Creator:: Anderson, Jeremy T.
Abstract:: Solid state luminescent sulfides are prepared as powders in order to elucidate the relationship between structure and light emission. While the sulfides studied in this dissertation are known phosphors, materials are investigated in a variety of new ways. Elementary properties and structures of MgS are reviewed, and preparation of MgS...
Resource Type:: Dissertation
Full Text:: at 260 °C (2 h), followed by RTA in O2 at 600 °C (10 min

Removal of Radioactive Strontium, Iodine, and Uranium from Contaminated Groundwater : Sorption Processes and Properties

Creator:: Leonard, Mary E.
Abstract:: Iodine-129 is a key risk driver at sites where nuclear materials have been fabricated or processed, and it is a predominant isotope of concern in long-term waste storage strategies. I-129 exists primarily as iodate in the subsurface at the Hanford Site in south-central Washington State. Between 15 and 40% of...
Resource Type:: Dissertation
Full Text:: ...............................................................................................................................166 Appendix C

Studies on the synthesis and characterization of polymer-containing nanocomposite materials

Creator:: Oriakhi, Christopher O., 1960-
Resource Type:: Dissertation
Full Text:: constructive criticism. Dr. C. W. DeKock, whose contagious visionary leadership and inspiration sustained me

Synthesis of Intercalation Compounds and Nanocomposites of Inorganic Layered Hosts

Creator:: Liyanage, Medagama Liyanage Amila Udayanga
Abstract:: Novel synthetic strategies are developed to prepare new intercalation compounds and nanocomposites with several layered hosts (NiPS₃, Na-montmorillonite, MoS₂ and MoO₃). In these products, alkali metals are ionic intercalates and linear polymers, dendrimers or amines act as co-intercalates. In addition to new synthetic approaches, new structures are identified and characterized....
Resource Type:: Dissertation
Full Text:: 3.1 PXRD patterns for (a) G(0.0), (b) G(1.0), and (c) G(2.0) PAMAM/Na-MMT nanocomposites. The

Photoresist and ion-exchange chemistry of HafSOx

Creator:: Telecky, Alan J.
Abstract:: The chemistry of hafnium oxide based and materials are described in the context of ion exchange and lithography. HafSOx, represented by the composition HfO₂₋[subscript x](SO₄)x, is described to possess a significant capacity towards ion exchange in acidic and basic solutions, enabling films of HafSOx to be cleanly and readily be...
Resource Type:: Dissertation
Full Text:: cannot be understated. The role and influence of Prof. Anthony Diaz also must be acknowledged. My

Solid state luminescent materials : new and improved

Creator:: VandenBerghe, Kenneth L.
Resource Type:: Masters Thesis
Full Text:: teach him to play basketball, neither of us were very successful. Anthony Diaz, Steve Crossno, Dong Li

The relation of a soluble factor to phosphorylation during the oxidation of reduced nicotinamide adenine dinucleotides

Creator:: Smith, Karin Ann
Resource Type:: Masters Thesis
Full Text:: factor C (23, p. PC 8-9), which leaks from swollen mitochondria, is capable of causing the contrac tion

Tetracalcium lanthanide borate oxide : structures and optical properties

Creator:: Crossno, Stephen K.
Resource Type:: Masters Thesis
Full Text:: - Seog Chang, Dr. Anthony Diaz, Dong Li, Greg Peterson, and Ken VandenBerghe. It has been my privilege

New alkali-metal and alkaline-earth metal borates : synthesis, crystal structures, and optical properties

Creator:: Tu, Jun-Ming
Resource Type:: Dissertation
Full Text:: Akella for their valuable assistance. My warmest thanks to my colleagues Chris Orf, Kim Dahm, Anthony

Studies on new inorganic solid-state borates and oxoanion flourides

Creator:: Peterson, Gregory A. (Gregory Allen)
Resource Type:: Dissertation
Full Text:: include Dr. Jun-Ming Tu, Dr. Annapoorna Akella, Dr. Anthony Diaz, Dr. Ki- Seog Chang, Dr. Dong Li, M.S

Drug Discovery from Diverse Bacteria – Bioactivity-guided Isolation of Known and New Metabolites

Creator:: Zhu, Chenxi
Abstract:: Exploring bioactive natural products has contributed largely to clinically approved drugs we have been using over the last 100 years. Especially among the anti-infective drugs, around 70% of currently used antibiotics were discovered or derived from microbial secondary metabolites, among them compounds like vancomycin, chloramphenicol, and erythromycin. Facing the unavoidable...
Resource Type:: Dissertation
Full Text:: furaquinocin C and characterized its structure by NMR. Dr. Donovon Adpressa assisted the structure

Improvements in synthesis and response techniques of ion-selective sensors

Creator:: Pylypiuk, Nataliia
Abstract:: Two improvements to the established procedures for synthesis and response detection of ion-selective optical sensors (optodes) were introduced. The first improvement addresses the drawback of organic dye (optode-localized chromoionophore) photobleaching. This positively impacts fluorescence response and allows for (1) direct measurement of hydrogen ion activity upon binding with the dye,...
Resource Type:: Masters Thesis
Full Text:: transition temperature (Tg) of PVC is 80-85 0 C; thus, to achieve a fluid membrane PVC must be

Synthesis, characterization, and crystal chemistry of new borate optical materials

Creator:: Cox, James Raymond
Resource Type:: Dissertation
Full Text:: chooses to go swimming. Kim Dahm and Anthony Diaz are also supportive and fun to work with. Working with

Synthesis, characterization, and analysis of nitroaromatic compounds

Creator:: McIntosh, Melissa Luana
Abstract:: Nitroaromatic compounds have important chemical applications and can be found in nature as pollution sources. Synthetic nitroaromatic compounds have been used in a variety of materials including explosives, pharmaceuticals, dyes, plastics, and pesticides. These compounds can find their way into the environment through normal or improper disposal methods. Poly-aromatic compounds...
Resource Type:: Masters Thesis
Full Text:: . Chem. 2012, 10, 9204-9213. 9. McIntosh, M. L.; Johnston, R. C.; Pattwong, O.; Ashburn, B. O

Phosphor development : synthesis, characterization, and chromatic control

Creator:: Li, Dong
Resource Type:: Dissertation
Full Text:: time to remember: Dr. Jun-Ming Tu, Dr. Anthony Diaz, Dr. Ki-Seog Chang, M.S. Ken Vandenberghe, M.S

Bridging the Gap Between Equilibrium Properties and Ultrafast Dynamics with Time-Resolved Spectroscopy of Functional Systems

Creator:: Krueger, Taylor D.
Abstract:: Ultrafast spectroscopy has recently gained momentum as a powerful, noninvasive characterization toolset capable of studying a diverse array of samples with applications in chemistry, physics, biology, engineering, and more. Two popular ultrafast spectroscopic techniques include femtosecond transient absorption (fs-TA) and femtosecond stimulated Raman spectroscopy (FSRS). The latter of these techniques...
Resource Type:: Dissertation
Full Text:: . Seri C. Robinson, and Dr. Oksana Ostroverkhova have contributed the fungi-derived pigment samples in

A search for new substrate materials for high temperature superconducting thin films

Creator:: Hall, Michael Matthews
Resource Type:: Dissertation
Full Text:: ) SGT 1, (b) SGT 2, (c) SGT 3, and (d) SGT 4. 59 2.9 0.5 micron x 0.5 micron area SEM images of (a) SGT

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