Dartmouth Digital Library Program

Thumbnail

Title

Subject

Description

Collection

Terrain classification using proprioceptive sensors
Soils -- Classification.;""Engineering geology -- Mathematical models."";""Engineering geology -- Computer simulation."";""Mobile robots."";""Autonomous robots."";""Proprioception.""
Autonomous off-road navigation in unstructured, terrain can encounter mobility difficulties even when the surface that the vehicle is driving over is level and free from obstacles. Mobility challenges result from soil characteristics that prevent...
Dartmouth Dissertations

Dielectric properties of moist soils at RF and microwave frequencies.
Soils -- Electric properties. Soil moisture -- Measurement. Dielectrics.
Dartmouth Dissertations

Multiple element intraoperative ultrasound hyperthermia system.
Operative ultrasonography -- Instruments. ; Cancer -- Thermotherapy -- Instruments.
Dartmouth Dissertations

Representation of auditory and visual spatial information in the intraparietal sulcus of rhesus macaques.
Auditory perception -- Physiological aspects. ; Visual perception -- Physiological aspects. ; Auditory pathways -- Physiology. ; Parietal lobes -- Psychophysiology. ; Saccadic eye movements.
The integration of visual and auditory events is thought to require a joint representation of visual and auditory space in a common reference frame. We investigated the coding of visual and auditory space in the lateral and medial intraparietal...
Dartmouth Dissertations

Statistical analysis and empirical modeling of large- and small-scale plasma drifts in Earth''s high-latitude ionosphere.
Electric fields in the high-latitude regions of Earth's ionosphere are an important component of the coupled magnetosphere-ionosphere-thermosphere system. Characterizing the average behavior of these fields (or the corresponding drifts) is useful...
Dartmouth Dissertations

Periodic spectral variation in Cygnus X-2 and Scorpius X-1.
Stars -- Spectra.
Dartmouth Dissertations

Access control in and for the real world / by Sara Sinclair.
Access control is a core component of any information-security strategy. Researchers have spent tremendous energy over the past forty years defining abstract access-control models and proving various properties about them. However, surprisingly...
Dartmouth Dissertations

Links and regulatory loops between phospholipase C activity and colonization by the O2-responsive regulator Anr in Pseudomonas aeruginosa / by Angelyca A. Jackson.
Pseudomonas aeruginosa is a virulent opportunistic pathogen that is frequently cultured from infectious sites, and is estimated to cause ~12% of nosocomial infections worldwide [1]. P. aeruginosa infections occur in a majority of adults with the...
Dartmouth Dissertations

Computational methods for the discovery and application of protein sequence-structure-function relationships / by Lu He.
Proteins are ubiquitous in cells and are essential to a wide range of biological processes. Since existing proteins occupy only a small portion of the space of possible amino acid composition, understanding their sequence-structure-function...
Dartmouth Dissertations

Bottom-up effects of nutrient enrichment on plants, pollinators, and their interactions.
Meadow ecology -- Colorado. Angiosperms -- Nutrition. Angiosperms -- Pollination. Plants -- Effect of nitrogen on. Insect pollinators -- Ecology -- Colorado. Mountain plants -- Ecology -- Colorado. Bees -- Ecology -- Colorado. Bees -- Nutrition --...
Nutrients play fundamental roles in biological systems, affecting plant growth and quality, community structure, and species interactions. Although the effects of nutrients on primary and secondary production have been well documented, their...
Dartmouth Dissertations

Demography and movement of migratory wildebeest (Connochaetes taurinus) in northern Tanzania
Gnus -- Tanzania -- Geographical distribution. ; Gnus -- Migration -- Tanzania.
Dartmouth Dissertations

The ultraviolet spectra of DA white dwarfs.
White dwarf stars. ; Ultraviolet spectra.
Dartmouth Dissertations

Thermodynamic Studies of Metal Interactions with Four Biomolecules Using Isothermal Titration Calorimetry / by Margaret C. Carpenter
Some biomacromolecules require a metal co-factor to stabilize their physiologically active three-dimensional structure. The fundamental thermodynamic values of the binding of metal ions, particularly Zn2+, to a set of biomacromolecules have been...
Dartmouth Dissertations

The sturucture and function of brain networks underlying self-evaluation / by Robert S. Chavez
Humans have a seemingly unique capacity to reflect upon information about the self to form evaluative attitudes that influence their quality of life and predict mental health outcomes. While psychologists have devoted decades of research to the...
Dartmouth Dissertations

Functional heterogeneity and helper roles of CD4+T cells in antiviral immunity / by Zhuting Hu
CD4+ T cells are critical for the control of virus infections, memory cell formation and immune surveillance. Epstein-Barr virus and Kaposi’s sarcoma-associated herpesvirus are two γ-herpesviruses identified in humans and are strongly associated...
Dartmouth Dissertations

Anthropogenic changes to mercury and lead biogeochemistry in forest soils across the Northeastern United States / by Justin Byron Richardson
Understanding mercury (Hg) and lead (Pb) accumulation and retention in forest soils is needed to reduce their negative impacts on human and wildlife health. In addition, mercury and lead can be used to characterize the role of soil in terrestrial...
Dartmouth Dissertations

Distances and motions of early-type galaxies in selected directions in the South Equatorial Strip.
Galaxies -- Motion in line of sight
The new APM South Equatorial Strip Catalog $({-}17\sp\circ.5<\delta<2\sp\circ.5)$ is used to select a sample of early-type galaxies in three directions: (1) 15h10-16h10; (2) 20h30-21h50; (3) 00h10-01h30. The distances and peculiar motions of...
Dartmouth Dissertations

Biological significance of VIVID photocycle length and the control of gene expression by the Neurospora clock / by Arko Dasgupta
Sensing light from the environment using photoreceptors is of great adaptive significance to eukaryotes. A prominent feature of the photochemistry of these receptors is the photocycle length, the time taken to decay from the initial signaling light...
Dartmouth Dissertations

Sensing eye position.
Saccadic eye movements. ; Eye -- Movements. ; Visual perception -- Physiological aspects. ; Senses and sensation.
The oculomotor system needs up-to-date information about eye position in order to make accurate saccades to stimuli in the environment. This thesis investigated how well the oculomotor system uses information about eye position to make a variety of...
Dartmouth Dissertations

Evidence based practice in neonatal intensive care: the effect of prophylactic topical emollient ointment therapy and systemic antibiotic administration practices on nosocomial sepsis rates and mortality in extremely low birth weight infants 501 to...
Neonatal intensive care. ; Evidence-based medicine. ; Nosocomial infections -- Prevention. ; Ointments -- Effectiveness. ; Antibiotics -- Effectiveness.
Introduction. Nosocomial sepsis in extremely low birth weight (ELBW) infants 501-1000 grams is associated with increased mortality risk, prolonged hospitalization, and increased costs of care. Purpose. The purpose of this thesis was to evaluate the...
Dartmouth Dissertations

Microfabrication of magnetic components for high frequency DC-DC power conversion at high currents and low voltages.
DC-to-DC converters -- Design and construction. Electric inductors -- Design and construction. Thin film devices -- Design and construction. Microprocessors -- Power supply. Microfabrication. Transients (Dynamics).
Dartmouth Dissertations

Topographic correction of satellite images: theory and application.
Earth sciences -- Remote sensing -- Data processing. ; Remote sensing -- Mathematical models. ; Forests and forestry -- Remote sensing. ; Spectral reflectance. ; Landsat satellites. ; Remote-sensing images -- New Hampshire -- Coos County.
Steep terrain produces a topographic effect in digital satellite data that can make it difficult to distinguish changes in vegetation species or health from changes in illumination geometry. A multiple linear regression analysis of direct solar...
Dartmouth Dissertations

Distinct neuroimmune interactions in acute inflammatory pain and persistent neuropathic pain.
Pain -- Immunological aspects. ; Inflammation -- Immunological aspects. ; Nervous system -- Diseases -- Immunological aspects. ; Neuroimmunology.
Chronic neuropathic pain is a debilitating condition that exacts an emotional and physical toll on its sufferers and their family as well as an enormous monetary toll on society. Neuropathic pain can arise following nerve injury induced by trauma,...
Dartmouth Dissertations

The dorsal tegmental nucleus of Gudden and angular velocity integration in the head direction system.
Space perception. ; Motion perception (Vision). ; Vestibular apparatus.
Head Direction (HD) cells are neurons located primarily in the limbic system that fire as a function of directional heading in the horizontal, or yaw, plane in the freely moving animal. Our hypothesis is that the HD signal is the result of two...
Dartmouth Dissertations

Patient outcomes and clinical decision making in aortic valve replacement.
Outcome assessment (Medical care). ; Aortic valve -- Surgery -- Complications. ; Aortic valve -- Surgery -- New England. ; Cardiovascular instruments Implanted.
Aortic valve disease is a frequent and serious disorder. Although aortic valve replacement (AVR) is arguably the only effective treatment, important issues remain unresolved in the care of patients with this disease. Recent studies have focused...
Dartmouth Dissertations

General observations and proteolytic enzyme activity in spores of the ostrich fern during the process of germination.
Matteuccia. ; Enzymes.
Dartmouth Dissertations

Competition in natural Cladoceran communities : experimental manipulations and demographic analysis.
Cladocera. ; Competition (Biology).
Large-scale (12,000 liter) and small-scale (3.78 liter) field enclosure experiments were conducted to evaluate the intensity and nature of competition among the planktonic cladoceran grazers of a mesotrophic Vermont lake: Bosmina longirostris,...
Dartmouth Dissertations

Identification and role of protein-protein interactions in signaling by the ethylene receptors of Arabidopsis.
Protein-protein interactions. ; Ethylene -- Receptors. ; Cellular signal transduction. ; Arabidopsis -- Genetics.
There are five ethylene receptors (ETR1, ERS1, ETR2, ERS2, and EIN4) in Arabidopsis. In this study, I tested the hypothesis that ethylene receptors mediate ethylene signaling through protein-protein interactions. First, I demonstrated that ethylene...
Dartmouth Dissertations

Metal distribution in Arabidopsis.
Arabidopsis -- Effect of metals on. ; Zinc -- Physiological transport. ; Iron -- Physiological transport. ; Plants -- Effect of iron on. ; Plants -- Effect of zinc on.
Iron and zinc deficiency commonly limit plant growth and crop yields. Furthermore, deficiencies in both of these micronutrients are common throughout the world, particularly in developing countries where people may only consume simple diets...
Dartmouth Dissertations

Three dimensional finite element simulations for regional electromagnetic hyperthermia treatment of cancer.
Cancer -- Treatment. ; Fever. ; Electromagnetic waves. ; Finite element method. ; Maxwell equations.
Dartmouth Dissertations

Topics in plasma theory.
Plasma (Ionized gases). ; Statistical mechanics. ; Kinetic theory of gases.
Dartmouth Dissertations

Observations on the selection of targets for saccadic eye movements.
Saccadic eye movements. ; Eye -- Movements. ; Neuropsychology.
The use of stochastic modeling techniques has provided many insights into the processing architecture of the oculomotor system. The present work evaluates the issue of saccadic target selection using these techniques. Observers were presented with...
Dartmouth Dissertations

Dosimetry for 5-aminolevulinic acid induced Protoporphyrin IX photodynamic therapy of Barrett's esophagus.
Esophagus -- Diseases -- Photochemotherapy -- Technique. ; Esophagus -- Diseases -- Dosimetric treatment. ; Radiation dosimetry. ; Porphyrins -- Therapeutic use.
Photodynamic therapy (PDT) is used to cause specific tissue destruction, using photochemical reactions that result from light excitation of photosensitizer, which has localized in the target tissue. The process of photosensitizer photobleaching was...
Dartmouth Dissertations

Large bowel polyps: aspects of epidemiology and diagnosis.
Intestine, Large -- Cancer -- Epidemiology. ; Intestine.
Colorectal cancer is the fourth most common cancer diagnosis and the second leading cause of cancer-related death in the United States. Most colorectal cancers are believed to develop from precursor lesions known as colorectal adenomas....
Dartmouth Dissertations

5-AMINOLEVULINIC-INDUCED PROTOPORPHYRIN.
Brain tumors account for ~2% of all cancers, with gliomas accounting for ~70% of all brain tumors. Evidence suggests that extent of resection provides both a quality of life and survival benefit to patients. Recent work has shown the utility of...
Dartmouth Dissertations

The affine buildings of SLn and SPn: a combinatorial perspective.
Buildings (Group theory). Geometry
For a local field K, we study the affine buildings Ξ n and Δ n naturally associated to SL n ( K ) and Sp n ( K ), respectively. Since Sp n ( K ) is a subgroup of SL 2 n ( K ), we investigate properties of a natural embedding of Δ n in Ξ 2 n ....
Dartmouth Dissertations

Digital video forensics.
Digital video -- Analysis. Forensic sciences. Image processing -- Digital techniques.
We present new forensic tools that are capable of detecting traces of tampering in digital video without the use of watermarks or specialized hardware. These tools operate under the assumption that video contain naturally occurring properties which...
Dartmouth Dissertations

Regulation of chromosome segregation by ORD and dRING during Drosophila meiosis.
Meiosis. Drosophila melanogaster -- Cytogenetics. Sister chromatid exchange. Chromosome Segregation.
Accurate segregation of meiotic chromosomes requires that sister-chromatids remain physically associated from the time of their synthesis during S phase until they segregate toward opposite poles at anaphase II. In Drosophila melanogaster meiosis,...
Dartmouth Dissertations

Eliciting patients' preferences for the intensity of preference-sensitive health care: An integrated research strategy.
Patients -- Decision making. Patients -- Attitudes. Motivation (Psychology) -- Social aspects. Preferences (Philosophy) Medical care -- Evaluation. Medical care -- Research -- Methodology. Medical care -- Decision making.
Statement of Problem Characterizing the public's preferential attitudes towards relatively more-/less-intense elective options in ""preference-sensitive"" health care situations is particularly relevant for the prioritization policies of...
Dartmouth Dissertations

Head direction cells, grid cells, and the neural basis of spatial orientation
Space perception -- Physiological aspects.;""Thalamus -- Physiology."";""Hippocampus (Brain) -- Physiology."";""Neural networks (Neurobiology)"";""Neural Pathways -- physiology."";""Anterior Thalamic Nuclei -- physiology"";""Entorhinal Cortex --...
Dartmouth Dissertations

Understanding AMPA receptor function and assembly, one piece at a time: structural and biochemical analysis of GLuR4 ligand-binding and ecto-domains.
Glutamic acid -- Receptors. Ion channels -- Molecular aspects. Ligand binding (Biochemistry). Medical Term: Glutamates.
AMPA receptors are glutamate-gated ion channels that mediate most of the excitatory synaptic signals in the central nervous system. They form tetrameric assemblies that are combinations of the subunits GluR1-4, each of which contains a...
Dartmouth Dissertations

The regulation and packaging of Cif, a novel virulence factor of Pseudomonas aeruginosa
Pseudomonas aeruginosa is an opportunistic pathogen of humans and the leading cause of mortality in patients with the inherited disorder cystic fibrosis (CF). The focus of the studies presented herein was characterization of the regulation and...
Dartmouth Dissertations

Effects of suburbanization on plant-pollinator interactions / by Adrian L. Carper.
Urban and suburban development is a dominant factor driving ecological processes at local and regional scales and its impacts on biodiversity and ecosystem services are alarming. Pollinators, especially bees, and the ecosystem services they...
Dartmouth Dissertations

Combined MRI and near-infrared spectroscopy for increased specificity of breast cancer imaging / by Michael A. Mastanduno.
A yearly breast contrast-MR scan is recommended to high-risk women because of MR's high sensitivity to breast tumors. However, breast contrast-MR yields a high number of false positives that lead to expensive and sometimes unnecessary biopsy...
Dartmouth Dissertations

Acquisition and registration of 3D optical surface scanning, MRI, and microwave tomographic imaging for improved clinical breast imaging and surgical planning / by Matthew John Pallone.
Continual improvements to clinical breast imaging technologies have led to ever earlier detections and increasingly accurate localizations of female breast cancers. While these advancements have certainly improved the prognoses of many patients,...
Dartmouth Dissertations

Sampling for complexity in rendering / by Jiawei Ou.
As the visual effect and movie industries are striving for realism and high fidelity images, physically based lighting, global illumination, realistic materials, and highly tessellated geometry are gradually accepted and used in movie and game...
Dartmouth Dissertations

MicroRNA-10b promotes pancreatic cancer cell invasion by suppressing TIP30 and enhancing EGF and TGF-[beta] actions / by Haoxu Ouyang
MicroRNA-10b (miR-10b) is considered a marker of disease aggressiveness in pancreatic ductal adenocarcinoma (PDAC), in view of the fact that lower levels of miR-10b are associated with better response to neoadjuvant therapy, likelihood of surgical...
Dartmouth Dissertations

Find results with:

Searching collections:

Add or remove other collections to your search:

Narrow your search by:

Title

Subject

Date

You've searched:

Thumbnail

Title

Subject

Description

Collection

QuickView

Layout options:

		Thumbnail with title
		Grid with smaller thumbnails and more detail

Find results with:

Searching collections:

Add or remove other collections to your search:

Narrow your search by:

Title

Subject

Date

You've searched:

Thumbnail Title Subject Description Collection

QuickView

Layout options:

Thumbnail

Title

Subject

Description

Collection