Dartmouth Digital Library Program

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Observational study of dynamic structures at the magnetopause.
Magnetopause. ; Magnetopause -- Remote sensing. ; Magnetosphere -- Remote sensing. ; Magnetohydrodynamics -- Observations.
Dartmouth Dissertations

Reactive intermediates in chromium carcinogenesis.
Chromium -- Toxicology. Carcinogenesis.
Dartmouth Dissertations

The inverse hyperthermia problem and its solution.
Thermotherapy.
Dartmouth Dissertations

Ground-based interferometric studies of auroral roar.
Ionospheric radio wave propagation -- Observations. ; Auroras -- Observations. ; Interferometers -- Design and construction.
Dartmouth Dissertations

Charge separation in exciplexes.
Excited state chemistry. ; Photochemistry. ; Charge transfer.
Dartmouth Dissertations

Substorm-related VLF chorus events: local-time dependence and relationship to newly-injected clouds of drifting energetic electrons.
VLF emissions. ; Dawn chorus (Radio meteorology) Magnetospheric substorms.
Dartmouth Dissertations

Examining relationships between health beliefs and medical decisions in the context of medical uncertainty.
Medical care -- Decision making. Health attitudes. Prostate -- Cancer -- Treatment -- Decision making. Prostate -- Cancer -- Patients -- Attitudes. Uncertainty. Video recording in medicine.
This dissertation used two studies to evaluate the appropriateness of a theoretical model exploring the relationships between screening/treatment beliefs and intending to be screened or treated for prostate cancer (P-CA). Study One examined...
Dartmouth Dissertations

A catalog of clusters to z [is less than or equal to] 1 from the Oxford Dartmouth Thirty Degree Survey.
Galaxies -- Clusters -- Mathematical models. Galaxies -- Formation -- Mathematical models. Galaxies -- Clusters -- Catalogs. Galaxies -- Spectra. Algorithms. Andromeda Galaxy.
A sample of 46 previously unidentified, intermediate- to high-redshift, near-infrared (NIR)-selected galaxy clusters have been discovered in the Andromeda catalog of the Oxford Dartmouth Thirty Degree Survey (ODTS). These clusters vary from low- to...
Dartmouth Dissertations

Quantitative risk analysis of computer networks.
Computer networks -- Security measures. Computer security. Risk assessment. Operating systems (Computers) -- Evaluation.
Quantitative Risk Analysis of Computer Networks (QSRA) addresses the problem of risk opacity of software in networks. It allows risk managers to get a detailed and comprehensive snapshot of the constitutive software on the network, assess its risk...
Dartmouth Dissertations

Functionalization of fluorocarbons.
Fluorocarbons -- Synthesis. Fluorocarbons -- Derivatives. Activation (Chemistry). Polytef -- Surfaces. Organofluorine compounds -- Synthesis.
The great strength of the C-F bond has enabled fluorocarbons to find many industrial and domestic applications, and makes C-F activation a chemical and technical challenge akin to that of C-H bond activation in hydrocarbons. In our mission to...
Dartmouth Dissertations

Gain experiments with a grating based free electron laser.
Free electron lasers -- Experiments. Wave guides -- Design and construction. Diffraction gratings -- Experiments. Electron beams. Infrared sources.
The far infrared region of the electromagnetic spectrum, 15-3000 Œºm in wavelength, has a paucity of narrow band laser sources. To address the issue of whether a grating based free electron laser could operate well as such a source, a grating...
Dartmouth Dissertations

Synthetic and mechanistic studies in tetrapyrrole chemistry.
Tetrapyrroles -- Synthesis. Tetrapyrroles -- Mechanism of action. Transition metal catalysts.
Previous studies have shown that the mucosal immune system is present in the female reproductive tract and under hormonal control. With the recognition that underlying stromal cells regulate epithelial cell function and hormonal responsiveness,...
Dartmouth Dissertations

Radical methodologies with indole and synthetic strategies towards the indole alkaloids, echitamine and prenostodione.
Indole alkaloids -- Synthesis. Ring formation (Chemistry). Radicals (Chemistry).
A novel radical cyclization of 2-bromoindoles was examined, generating a series of hexahydropyrrolo[3,4- b ]indoles in fair yield. This process involved the generation of a variety of indole-3-carboxamides followed by the introduction of bromine at...
Dartmouth Dissertations

The influence of trait psychopathy on the decoding, interference and utilization of emotional information.
Psychopaths. Personality and emotions. Emotions and cognition.
Research investigating clinical and criminal psychopaths is quite extensive. Though it has evolved in terminology over the years, the basic premise and description of psychopathy has maintained deficits associated with emotional interpretation and...
Dartmouth Dissertations

New synthetic approaches to chlorins and bacteriochlorins.
Pyrroles -- Synthesis. Porphyrins -- Synthesis.
Naturally occurring macrocyclic tetrapyrroles of the chlorin and bacteriochlorin classes play important roles in essential biological processes, including photosynthesis and nitrogen cycling. The chromophores also show promise in various...
Dartmouth Dissertations

Synthesis and characterization of phosphido-coated gold nanoclusters and gold phosphido complexes.
Gold -- Analysis. Gold compounds. Metal complexes -- Synthesis. Phosphides. Ligands.
Chapter one: Gold(I) phosphido complexes: Synthesis, structure and reactivity . Deprotonation of the phosphine complexes Au(PHR 2 )Cl with aqueous ammonia gave the gold(I) phosphido complexes [Au(PR 2 )] n (PR 2 = PMes 2 ( 1 ), PCy 2 ( 2 ), P(t-Bu)...
Dartmouth Dissertations

Valuing health for economic evaluation in spine disorders.
Health status indicators -- Measurement. Health surveys -- Methodology. Medical economics. Spine -- Diseases.
Several ""health state classification systems"" are available to estimate health state values (HSV) for economic evaluation. Evidence of variation in estimates from different systems raises concern that system choice may affect study conclusions...
Dartmouth Dissertations

Investigating the scale-up of anaerobic soluble sugar fermentations for large-scale ethanol production.
Alcohol -- Synthesis -- Computer simulation. Corn -- Biotechnology. Fermentation -- Computer simulation. Alcohol as fuel. Computational fluid dynamics.
Renewable energy sources are becoming increasingly important as sustainable alternatives to fossil fuels. One of these renewable sources, cellulosic biomass, is a relatively inexpensive and abundant resource that can be converted into liquid fuels...
Dartmouth Dissertations

Examining auroral downward current region processes using ground based data.
Auroras -- Alaska -- Observations. Magnetospheric currents.
This thesis presents data from ground camera observations of the aurora conducted from Alaska during the winters of 2005 through 2007. In conjunction with these camera observations, conjugate radar observations of the auroral ionosphere were...
Dartmouth Dissertations

Lighting and optical tools for image forensics.
Image analysis. Image processing -- Digital techniques. Photography -- Retouching. Photographs -- Forgeries. Lighting. Optics. Forensic sciences.
We present new forensic tools that are capable of detecting traces of tampering in digital images without the use of watermarks or specialized hardware. These tools operate under the assumption that images contain natural properties from a variety...
Dartmouth Dissertations

Evaluation and engineering of Saccharomyces cerevisiae for cellulase expression and growth on insoluble cellulose.
Saccharomyces cerevisiae -- Genetics. Cellulase -- Biotechnology. Cellulose -- Biotechnology. Biomass conversion -- Technological innovations.
Dartmouth Dissertations

Group-aware stream filtering.
Streaming technology (Telecommunications). Computer networks -- Monitoring. Multicasting (Computer networks). Electronic data processing -- Distributed processing.
Recent years have witnessed a new class of monitoring applications that need to continuously collect information from remote data sources. Those data sources, such as web click-streams, stock quotes, and sensor data, are often characterized as...
Dartmouth Dissertations

Towards the experimental verification of macroscopic phenomena in quantum electrodynamics.
Casimir effect. Zero-point field. Electric conductivity. Quantum electrodynamics.
The Casimir force arises from an alteration of boundary condition in vacuum and is often regarded as a manifestation of quantum zero point energy. Considerable progress has been made in the last decade with an impressive achievement of experimental...
Dartmouth Dissertations

SGA screen identifies a cytoplasmic role for Dbp5/Rat8 and a novel player in nuclear pore complex biogenesis.
Nuclear membranes. Membrane proteins. Genetic regulation.
The coordination and coupling of the several steps in mRNA biogenesis helps to ensure proper regulation of gene expression. The DEAD-box helicase Dbp5/Rat8 is an essential mRNA export factor that has also been implicated in other steps of mRNA...
Dartmouth Dissertations

Inf2-formin that polymerizes and depolymerizes actin on endoplasmic reticulum.
Actin. Microfilament proteins. Polymerization. Endoplasmic reticulum.
Dartmouth Dissertations

Kinematics and space densities for the local cataclysmic variable population.
Cataclysmic variable stars. Kinematics.
I investigate the kinematics and space densities of the local cataclysmic variable (CV) population. CVs are close binary star systems composed of a white dwarf that accretes matter from a less compact companion star in Roche lobe overflow....
Dartmouth Dissertations

Emergent coherent structures in nonequilibrium field theory.
Coherent states. Quantum field theory. Nonlinear theories.
In this thesis we study the properties of time-dependent, nontopological configurations and their effect on the macroscopic properties of a system described by a nonlinear field theory. These structures seem to be ubiquitous in relativistic field...
Dartmouth Dissertations

I. Reactivity of electron deficient indoles toward nucleophiles, Diels-Alder reactions and dipolar cycloadditions; II. Synthesis of pyrrolo[3,4-b]indoles.
Indole -- Synthesis. Indole -- Reactivity. Pyrroles. Diels-Alder reaction.
Earlier in our laboratory, a facile synthesis of the 2- and 3-nitroindoles was realized. These compounds showed promise as powerful intermediates in the synthesis of novel structures and natural products. The reactivity of 2- and 3-nitroindoles...
Dartmouth Dissertations

Versatile 2-lithioindoles, syntheses and Diels-Alder reactions of pyrrolo[3,4-b]indoles.
Indole alkaloids -- Synthesis. Diels-Alder reaction.
An efficient synthetic approach to both 2-acyl-1-(substituted)indoles and 2-nitro-1-(substituted)indoles by reaction of 2-lithio-1-(substituted)indoles with appropriate electrophiles is presented. Inverse quenching of 2-lithioindoles 5 and 208 with...
Dartmouth Dissertations

Investigation, optimization and synthesis of dihydrodipyrrins, linear tetrapyrroles and the resulting chlorins.
Porphyrins -- Synthesis. Tetrapyrroles -- Synthesis.
The synthesis of macrocyclic tetrapyrroles continues to be an area of vigorous research due to their application to a wide range of fields spanning the physical sciences. Only recently have general syntheses for the reduced systems, such as...
Dartmouth Dissertations

Memory and the resting brain.
Memory -- Physiological aspects. Hippocampus (Brain) -- Physiology. Perceptual-motor processes. Brain -- Variation.
Dartmouth Dissertations

Damage identification using sensitivity enhancing control with an identified model.
Automatic control -- Sensitivity. Structural control (Engineering). Strains and stresses -- Computer simulation. Structural analysis (Engineering). Engineering models.
Autonomous damage detection in engineering structures is critically important as the demands placed upon those structures are increased. It has been well established that damage detection can be done through monitoring the modal frequencies of the...
Dartmouth Dissertations

Determinants of reproductive success in a neotropical migratory songbird: timing, site-selection and mating strategies.
Ovenbird -- Fertility. Ovenbird -- Reproduction. Ovenbird -- Behavior. Ovenbird -- Ecology. Ovenbird -- Nests. Ovenbird -- Maryland -- Anne Arundel County. Courtship in animals -- Maryland -- Anne Arundel County. Brown-headed cowbird -- Maryland --...
Identifying and understanding sources of individual variation in fecundity is of central importance to life history theory and population ecology. In this study, I first examined how factors on the breeding grounds in eastern Maryland affected the...
Dartmouth Dissertations

The importance of p53-dependent transcriptional responses in the differentiation and curability of human embryonal carcinoma.
Testis -- Cancer -- Genetic aspects. p53 antioncogene -- Regulation. Embryonal tumors -- Pathophysiology. Germ cells -- Tumors -- Pathophysiology. Cisplatin -- Mechanism of action. Tretinoin. Testicular Neoplasms -- in children. Neoplasms
Dartmouth Dissertations

Synthetic studies toward the furanosteroids.
Furans -- Synthesis. Steroid drugs. Enzyme inhibitors -- Therapeutic use. Cancer cells -- Growth -- Regulation.
The furanosteroids are an important class of natural products that have been found to effectively inhibit various biologically important enzymes. These enzymes include the phosphoinositide-3-kinase (PI3K) family and the polo-like kinase (PLK1)...
Dartmouth Dissertations

Catalytic asymmetric P-C bond formation with Pt-phosphido complexes.
Organoplatinum compounds -- Synthesis. Organoplatinum compounds -- Reactivity. Organophosphorus compounds -- Synthesis. Organophosphorus compounds -- Reactivity. Asymmetric synthesis. Phosphate carbon. Platinum catalysts.
Chapter One. Synthesis and Structure of Chiral Pt(Duphos) Terminal Phosphido Complexes. Treatment of Pt halide precursors with a secondary phosphine in the presence of the base NaOSiMe 3 gave the terminal phosphido complexes Pt(Duphos)(Ph)(PMeIs)....
Dartmouth Dissertations

Fine structure in auroral radio emissions.
Ionospheric radio wave propagation -- Observations. Hiss (Radio meteorology). Auroras -- Antarctica -- Observations.
A VersatIle Electromagnetic Waveform (VIEW) receiver was deployed at South Pole station in December 2002 in order to measure the fine structure of auroral radio emissions with high resolution and an unprecedented 500-1000 kHz bandwidth. Using this...
Dartmouth Dissertations

The resistance to sliding along Coulombic shear faults in columnar S2 ice.
Ice mechanics. Friction. Shear (Mechanics). Strains and stresses. Ice -- Brittleness. Ice -- Ductility.
Dartmouth Dissertations

Theoretical study of carbon-heteroatom clusters: Theoretical study and comparison of the intradiol and extradiol oxidation of catechol.
Catechol -- Biodegradation. Glycols. Oxidation. Carbon compounds -- Mathematical models.
Part 1 . A computational study targeting the lowest energy structure, electronic state and physical properties of small carbon clusters containing one or two heteroatoms has been done. The structural properties sought included whether the most...
Dartmouth Dissertations

Self-consistent stellar evolution models with applications to Milky Way globular clusters and population synthesis.
Stars -- Evolution. Stars -- Globular clusters -- Computer simulation. Milky Way.
The Dartmouth Stellar Evolution Program, a state of the art stellar evolution code, has been modified and expanded to increase its versatility. The modifications include: the ability to self-consistently model stars with arbitrary chemical...
Dartmouth Dissertations

The influence of shared mental models of nosocomial bloodstream infections on neonatal intensive care unit infection rates.
Neonatal infections -- Prevention. Nosocomial infections -- Prevention. Neonatal intensive care -- Social aspects. Neonatal intensive care -- Psychological aspects.
Statement of the problem. Nosocomial bloodstream infections (NBSIs) are a significant source of morbidity and mortality for the very low birth weight babies (VLBW) in neonatal intensive care units (NICUs). Efforts to reduce the rates of infection...
Dartmouth Dissertations

A thermodynamic investigation of metal ions binding to metal trafficking proteins, peptides and small molecules using isothermal titration calorimetry.
Metal ions. Binding sites (Biochemistry) -- Thermodynamics. Metalloenzymes. Cellular control mechanisms. Thermometric titration. Calorimetry.
The chemistry of biology is complex and there is a great deal that is not understood. A fundamental understanding of biochemical reactions is important to aid in the identification of undiscovered reactions and is critical to fully appreciate the...
Dartmouth Dissertations

Activation of C-F bonds using transition metals by reduction and external acid.
Fluorine compounds. Activation (Chemistry). Transition metal catalysts.
Dartmouth Dissertations

Synthesis of multimetallic nanocomposite materials utilizing block copolymers.
Block copolymers. Nanostructured materials -- Synthesis. Metallic composites -- Synthesis.
Nanocomposite materials containing both gold and cobalt were synthesized using block copolymers as agents for controlling spatial organization of the nanoparticles. The targeted polymers are polystyrene- block -poly(alkyne-functional)styrene...
Dartmouth Dissertations

Synthetic studies towards the syntheses of 2,3,3',4,4',5,5'-Heptachloro-1'-methyl-1,2'-bipyrrole (Q1), Lycogarubin C, and cis-Trikentrin A.
Heterocyclic compounds -- Synthesis. Organohalogen compounds -- Synthesis. Pyrroles -- Synthesis. Indole -- Synthesis.
The novel heptachloro-1'-methyl-1,2'-bipyrrole (""Q1"") ( 1 ) is a natural organohalogen that has been detected in more than 100 worldwide environmental samples. In recent years mixed halogenated 1,2'-bipyrroles have also been detected in several...
Dartmouth Dissertations

Enzymatic hydrolysis of cellulosic biomass solids prepared by leading pretreatments and identification of key features governing performance.
Cellulase -- Absorption and adsorption. Enzymes -- Biotechnology. Cellulose -- Biodegradation. Lignocellulose -- Biotechnology. Biomass conversion. Hydrolysis. Corn stover. Poplar -- Biotechnology.
Prior to biological conversion of lignocellulosic biomass, natural barriers to efficient enzymatic hydrolysis must be overcome, and a few pretreatment technologies effectively accomplish this job with chemicals. Although several factors are...
Dartmouth Dissertations

Investigations on optimizing the energy transmission of ultrafast optical pulses in pure water.
Laser pulses, Ultrashort. Electromagnetic waves -- Transmission.
Many of today's communication and imaging technologies share the common challenge of signal deterioration due to water's large absorption coefficient. As an example, it is water molecules that contaminate the fused silica of optical fibers and...
Dartmouth Dissertations

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