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Articles 1 - 30 of 486
Full-Text Articles in Physical Sciences and Mathematics
Passively Estimating Index Of Refraction For Specular Reflectors Using Polarimetric Hyperspectral Imaging, Jacob A. Martin
Passively Estimating Index Of Refraction For Specular Reflectors Using Polarimetric Hyperspectral Imaging, Jacob A. Martin
Theses and Dissertations
As off-nadir viewing platforms becoming increasingly prevalent in remote sensing, material classification and ID techniques robust to changing viewing geometries must be developed. Traditionally, either reflectivity or emissivity are used for classification, but these quantities vary with viewing angle. Instead, estimating index of refraction may be advantageous as it is invariant with respect to viewing geometry. This work focuses on estimating index of refraction from LWIR (875-1250 wavenumbers) polarimetric hyperspectral radiance measurements.
Rationality, Parapsychology, And Artificial Intelligence In Military And Intelligence Research By The United States Government In The Cold War, Guy M. Lomeo
Theses and Dissertations
A study analyzing the roles of rationality, parapsychology, and artificial intelligence in military and intelligence research by the United States Government in the Cold War. An examination of the methodology behind the decisions to pursue research in two fields that were initially considered irrational.
Evaluating Lithology As An Erosional Control On A Fluviokarst System In Northeastern Kentucky, Andrew K. Francis
Evaluating Lithology As An Erosional Control On A Fluviokarst System In Northeastern Kentucky, Andrew K. Francis
Theses and Dissertations
Longitudinal stream profiles can be used to evaluate landscape evolution. Lithology as a control on a stream profile is especially of interests because fluviokarst systems are characterized by the contact of carbonate and non-carbonate rocks at the surface. Due to the difference in weathering processes between carbonates and non-carbonate rocks, it is likely that there is a difference in their rates of erosion. Cave Branch and its tributary Horn Hollow, are fluviokarst systems located in northeastern Kentucky. This area is primarily comprised of sandstone and limestone. The objectives of this study were to determine if variation in lithology was creating …
Quantitative Optical Studies Of Oxidative Stress In Rodent Models Of Eye And Lung Injuries, Zahra Ghanian
Quantitative Optical Studies Of Oxidative Stress In Rodent Models Of Eye And Lung Injuries, Zahra Ghanian
Theses and Dissertations
Optical imaging techniques have emerged as essential tools for reliable assessment of organ structure, biochemistry, and metabolic function. The recognition of metabolic markers for disease diagnosis has rekindled significant interest in the development of optical methods to measure the metabolism of the organ.
The objective of my research was to employ optical imaging tools and to implement signal and image processing techniques capable of quantifying cellular metabolism for the diagnosis of diseases in human organs such as eyes and lungs. To accomplish this goal, three different tools, cryoimager, fluorescent microscope, and optical coherence tomography system were utilized to study the …
Control Of Matrix Metalloproteinases In A Periodontitis Model: Molecules That Trigger Or Inhibit Mmp Production, Catalina Matias Orozco
Control Of Matrix Metalloproteinases In A Periodontitis Model: Molecules That Trigger Or Inhibit Mmp Production, Catalina Matias Orozco
Theses and Dissertations
In periodontitis, there is a disruption in the homeostasis of the oral microbiome by peridontopathogenic bacteria. However, while bacteria is essential for periodontitis to occur, the severity, pattern and progression of the disease is not solely determined by the microbial burden, and in fact has a lot to do with the overwhelming host inflammatory response. The response can vary even in two individuals with similar periodontopathogenic profiles. The host response leads to extracellular matrix (ECM) destruction, loss of attachment, alveolar bone resorption and eventually, edentulism. The host's reaction is orchestrated by proinflammatory cytokines and chemokines and matrix metalloproteinases (MMPs). MMPs …
The Utility Of Mobile Phones For Health Among Women Living With Hiv In Urban Malawi, Linda Marie Dietrich
The Utility Of Mobile Phones For Health Among Women Living With Hiv In Urban Malawi, Linda Marie Dietrich
Theses and Dissertations
The use of mobile phones are becoming ubiquitous with growing interest by healthcare providers to utilize mobile phone technology for various health-related applications, called mHealth. This is especially true in low-income countries such as those in sub-Saharan Africa. When implementing mHealth applications, it is important to understand the dynamic social, cultural and environmental factors where mHealth will be implemented to ensure that interventions developed are effective. A qualitative study to explore the sociotechnical factors experienced by women participating in an HIV support group in urban Malawi was conducted to enhance our understanding of women’s experience with mobile phone use and …
The Impact Of Nanomaterial Functionalization And Core Chemical Composition On Toxicity To Daphnia Magna, Jared S. Bozich
The Impact Of Nanomaterial Functionalization And Core Chemical Composition On Toxicity To Daphnia Magna, Jared S. Bozich
Theses and Dissertations
Nanomaterials (NMs) are being developed for a variety of industrial, biomedical, and environmental applications. Initially these materials consisted of simple metal oxides or carbon based NMs. More recently NMs have become increasingly complex consisting of multiple transition metals and surfaces functionalized with polymers, surfactants and ligands that have the ability to alter their physiochemical properties and enhance performance. As manufactured NM production increases, so does the concern about their release into the environment and potentially harmful effects. The focus of toxicology has largely been on first generation materials and we have comparatively less information about the potential impacts of complex …
Radial Basis Functions: Biomedical Applications And Parallelization, Ke Liu
Radial Basis Functions: Biomedical Applications And Parallelization, Ke Liu
Theses and Dissertations
Radial basis function (RBF) is a real-valued function whose values depend only on the distances between an interpolation point and a set of user-specified points called centers. RBF interpolation is one of the primary methods to reconstruct functions from multi-dimensional scattered data. Its abilities to generalize arbitrary space dimensions and to provide spectral accuracy have made it particularly popular in different application areas, including but not limited to: finding numerical solutions of partial differential equations (PDEs), image processing, computer vision and graphics, deep learning and neural networks, etc.
The present thesis discusses three applications of RBF interpolation in biomedical engineering …
A Multi-Faceted Biogeochemical Approach To Analyzing Hypoxia In Green Bay, Lake Michigan, Shelby Labuhn
A Multi-Faceted Biogeochemical Approach To Analyzing Hypoxia In Green Bay, Lake Michigan, Shelby Labuhn
Theses and Dissertations
Green Bay, Lake Michigan is a large freshwater estuary that has experienced seasonal hypoxia for decades. Hypoxia, or dissolved oxygen concentrations less than 2 mg L-1, is a problem in coastal ecosystems around the world because it has a negative impact on ecosystem health by decreasing biodiversity and fisheries. In order to create adequate management policies for hypoxia, it is important to understand the sources and sinks of oxygen within Green Bay. This study utilizes a number of traditional and novel field methods to measure the production and respiration of oxygen within lower Green Bay, defined as south of Chambers …
Determining The Impacts Of Environmental Contaminants To Zebra Mussels Using Genetic Biomarkers, Nicklaus James Neureuther
Determining The Impacts Of Environmental Contaminants To Zebra Mussels Using Genetic Biomarkers, Nicklaus James Neureuther
Theses and Dissertations
ABSTRACT
DETERMINING THE IMPACTS OF ENVIRONMENTAL CONTAMINANTS TO ZEBRA MUSSELS USING GENETIC BIOMARKERS
by
Nicklaus James Neureuther
The University of Wisconsin-Milwaukee, 2016
Under the Supervision of Professor Rebecca Klaper, PhD
Persistent legacy contaminants and emerging chemicals of concern continue to be a threat to the function and health in the Great Lakes Areas of Concern (AOCs). While chemical monitoring programs traditionally sample water and sediment, these studies can only provide information of the type and level of contamination within an (AOC). This being said, information on the biological impacts to the biota are needed to measure impairments of chemical exposure, …
Identifying With “The Native” In Anglo-American Environmental Writing: A Rhetorical Study, Alexis Piper
Identifying With “The Native” In Anglo-American Environmental Writing: A Rhetorical Study, Alexis Piper
Theses and Dissertations
ABSTRACT
IDENTIFYING WITH “THE NATIVE”
IN ANGLO-AMERICAN ENVIRONMENTAL WRITING:
A RHETORICAL STUDY
by
Alexis F. Piper
The University of Wisconsin-Milwaukee, 2016
Under the Supervision of Professor Anne Wysocki
In an effort to contribute to rhetorical theories of “identification” this dissertation examines Anglo nature writing written for Anglo audiences in the United States over several centuries. In my conclusion, I suggest approaches current nature writers might use to offer audiences ways of engaging with Indigenous peoples and Native conceptions of environment that are more ethical, appropriate, and effective than approaches used in previous centuries. I maintain that such approaches could potentially …
Bringing The Outside In: Examining The Impacts That Climate, Exchange, And Identity Processes Have On Organizationally-Beneficial Employee Green Behavior, Sashi C. Sekhar
Bringing The Outside In: Examining The Impacts That Climate, Exchange, And Identity Processes Have On Organizationally-Beneficial Employee Green Behavior, Sashi C. Sekhar
Theses and Dissertations
My dissertation contributes to growing practitioner and researcher interest in the corporate social responsibility topic of employee green behavior, a key strategic input to organizational environmental sustainability efforts. While it has been recognized that employee behavior can significantly impact sustainability efforts (Daily, Bishop, and Govindarajulu, 2009; Ones and Dilchert, 2012), the psychological mechanisms through which this occurs and the precise nature of these behaviors have not been rigorously examined. To address the gaps, my research investigates the interrelationship between organizational and individual factors in motivating organizational citizenship behavior directed toward the natural environment (OCB-E). The model, which derives from social …
An Adapative Treecode-Accelerated Boundary Integral Solver For Computing The Electrostatics Of A Biomolecule, Andrew Joseph Szatkowski
An Adapative Treecode-Accelerated Boundary Integral Solver For Computing The Electrostatics Of A Biomolecule, Andrew Joseph Szatkowski
Theses and Dissertations
The Poisson-Boltzmann equation (PBE) is a widely-used model in the calculation of electrostatic potential for solvated biomolecules. PBE is an interface problem defined in the whole space with the interface being a molecular surface of a biomolecule, and has been solved numerically by finite difference, finite element, and boundary integral methods. Unlike the finite difference and finite element methods, the boundary integral method works directly over the whole space without approximating the whole space problem into an artificial boundary value problem. Hence, it is expected to solve PBE in higher accuracy. However, so far, it was only applied to a …
Analizimi Dhe Zhvillimi I Modulit Të Orarit Në Wordpress, Gëzim Rexhepi
Analizimi Dhe Zhvillimi I Modulit Të Orarit Në Wordpress, Gëzim Rexhepi
Theses and Dissertations
Përdorimi i një orari do të ishte një lehtësim i madh në menaxhimin e ngjarjeve të cilat ndodhin në një festival, si rezultat i kërkesave dhe nevojave për një orar i cili do të ishte lehtë i menaxhueshëm nga festivalet e ndryshme vendosa të zhvilloj ketë orar. Ky orar është dizajnuar dhe implementuar për festivalin “Dokufest”. Mirëpo ky orar mund të përdoret edhe nga festivale të tjera. Ky orar do ju ndihmoj festivaleve të ndryshme që të kenë më të lehtë shtimin e ngjarjeve të ndryshme e pastaj ato ngjarje ti shfaqin në këtë orar i cili është mjaft i …
Siguria Në Php, Shpat Ajvazi
Siguria Në Php, Shpat Ajvazi
Theses and Dissertations
Që të rezultojë me sukses një softuer duhet të përmbush shumë kritere, disa nga këto kriteret janë: efikasiteti, siguria dhe fleksibiliteti. Pavarësisht rëndësisë së softuerit çdo softuer duhet te ketë sigurinë në nivel të lartë duke mos lejuar të dhënat të përfundojnë në duar të personave të pa autorizuar. Pothuajse çdo ditë krijohen mundësi të reja për të sulmuar softuer-ët që funksionojnë përmes internet kjo tregon se siguria duhet të analizohet dhe që zhvilluesit gjithmonë duhet të ndjekin teknologjinë e fundit. Në pjesën kryesore shqyrtohen problemet dhe sulmet që bëhen në PHP sa i përket aspektit të sigurisë. Siguria e …
Zbatimi I Mpls Vpn Dhe Siguria, Fëllënza Bunjaku
Zbatimi I Mpls Vpn Dhe Siguria, Fëllënza Bunjaku
Theses and Dissertations
Viteve të fundit, temat e nivelit bachelor po ballafaqohen me një nga trendet më të mëdha në botën e rrjetave kompjuterike duke zgjuar poashtu edhe interesimin tim për të studiuar dhe punuar këtë temë aktuale por duke marr në shqyrtim zbatimin e Multiprotocol Label Switching-Virtual Private Network dhe Siguria të cilës në vazhdim të këtij punimi do t’i referohemi si (MPLS VPN).
Objektivi kryesor i këtij punimi është të kuptuarit e teknologjisë MPLS VPN përmes përkufizimit të kësaj teknologjie, si dhe paraqitjes së një skenario ku shqyrtohen protokolle të ndryshme të komunikimit. Shumica e ofruesve të shërbimeve (angl. ISP) që …
Web Aplikacionet Dinamike Me Java Ee, Jetë Leci
Web Aplikacionet Dinamike Me Java Ee, Jetë Leci
Theses and Dissertations
Qëllimi i kësaj teze të shkallës bachelor është bërë për analizimi dhe studimin e platformës më të mirë për zhvillimin e web aplikacioneve dinamike, ky studim nuk paraqet bazat e programimit në Java apo zhvillimin e pjesës së bazës së shënimeve ky studim ofron një pasqyrë të teknologjive dhe framework-ëve për implementimin e aplikacioneve me platformën Java Enterprise Edition. Ky kapitull perfshinë një përmbledhje të shkurtë të studimit dhe përvojës sime së bashku, duke shfaqur një pasqyrë të zhvillimit të aplikacioneve dinamike në web me anë të shpjegimit të secilës pjesë përbërëse të platformës shumë të njohur për realizimin e …
Some Spectral Properties Of A Quantum Field Theoretic Hamiltonian, Devin Burnell Mcghie
Some Spectral Properties Of A Quantum Field Theoretic Hamiltonian, Devin Burnell Mcghie
Theses and Dissertations
We derive the ground-state eigenvalues and eigenvectors for a simplified version of the 1-D QED single electron-photon model that Glasgow et al recently developed [2]. This model still allows for meaningful interaction between electrons and photons while keeping only the minimum needed to do so. We investigate the interesting spectral properties of this model. We determine that the eigenvectors are orthogonal as one would expect and normalize them.
Investigation Of Sparsifying Transforms In Compressed Sensing For Magnetic Resonance Imaging With Fasttestcs, Christopher Adams Baker
Investigation Of Sparsifying Transforms In Compressed Sensing For Magnetic Resonance Imaging With Fasttestcs, Christopher Adams Baker
Theses and Dissertations
The goal of this contribution is to achieve higher reduction factors for faster Magnetic Resonance Imaging (MRI) scans with better Image Quality (IQ) by using Compressed Sensing (CS). This can be accomplished by adopting and understanding better sparsifying transforms for CS in MRI. There is a tremendous number of transforms and optional settings potentially available. Additionally, the amount of research in CS is growing, with possible duplication and difficult practical evaluation and comparison. However, no in-depth analysis of the effectiveness of different redundant sparsifying transforms on MRI images with CS has been undertaken until this work. New theoretical sparsity bounds …
Synthesis And Analysis Of Carbon-Transition Metal Oxide Composites, Binod Manandhar
Synthesis And Analysis Of Carbon-Transition Metal Oxide Composites, Binod Manandhar
Theses and Dissertations
Graphene, a two-dimensional honeycomb structure of carbon due to its high electrical and thermal conductivity, and high specific surface area, is an excellent candidate for nano-electronics and energy storage. However, it is very difficult and expensive to produce a single layered graphene by the traditional method of mechanical exfoliation of highly oriented pyrolytic graphite (HOPG). It is mainly manufactured by chemical vapor deposition (CVD) or more economically by chemical exfoliation of graphite by Hummer’s modified method. But there is a major disadvantage in using the chemical exfoliation, instead of forming single layer of pure graphene, a non-stoichiometric and insulating graphene …
Feature-Sensitive And Adaptive Image Triangulation: A Super-Pixel-Based Scheme For Image Segmentation And Mesh Generation, Ming Xu
Theses and Dissertations
With increasing utilization of various imaging techniques (such as CT, MRI and PET) in medical fields, it is often in great need to computationally extract the boundaries of objects of interest, a process commonly known as image segmentation. While numerous approaches have been proposed in literature on automatic/semi-automatic image segmentation, most of these approaches are based on image pixels. The number of pixels in an image can be huge, especially for 3D imaging volumes, which renders the pixel-based image segmentation process inevitably slow. On the other hand, 3D mesh generation from imaging data has become important not only for visualization …
An Open Source Approach To Serve A Large Number Of Computer Users Using Block-Level Streaming, Max D. Torres
An Open Source Approach To Serve A Large Number Of Computer Users Using Block-Level Streaming, Max D. Torres
Theses and Dissertations
There are several options for providing a large number of computers to users for their daily tasks. A typical setup may consist of a large number of computers where each relies on an HDD consisting of the required software, sufficient RAM, a capable CPU that meets the software requirements, and a stable network connection. This thesis proposes the use of the open-source AoE protocol to stream an OS to a user computer from a central server. Since the streaming is done from a well-protected central storage, the AoE protocol is less prone to failures compared to the traditional approach based …
Numerical Simulations Of Shock Waves Reflection And Interaction, Ligang Sun
Numerical Simulations Of Shock Waves Reflection And Interaction, Ligang Sun
Theses and Dissertations
The main objective of this dissertation is to detect and study the phenomena of reflection of one shock wave and interaction of two shock waves using numerical methods. In theory, solutions of non-linear Euler equations of compressive inviscid gas dynamics in two dimensions can display various features including shock waves and rarefaction waves. To capture the shock waves properly, highly accurate numerical schemes are designed according to second order Lax-Wendroff method. In this thesis, three numerical experiments were designed to show the reflection and interaction phenomena. Firstly, one shock was formed due to the encounter of two high speed gas …
Optical Method For High Magnification Imaging And Video Recording Of Live Cells At Sub-Micron Resolution, Jaime E. Romo Jr.
Optical Method For High Magnification Imaging And Video Recording Of Live Cells At Sub-Micron Resolution, Jaime E. Romo Jr.
Theses and Dissertations
Optical microscopy, the most common technique for viewing living microorganisms, is limited in resolution by Abbe’s criterion. Recent microscopy techniques focus on circumnavigating the light diffraction limit by using different methods to obtain the topography of the sample. Systems like the AFM and SEM provide images with fields of view in the nanometer range with high resolvable detail, however these techniques are expensive, and limited in their ability to document live cells. The Dino-Lite digital microscope coupled with the Zeiss Axiovert 25 CFL microscope delivers a cost-effective method for recording live cells. Fields of view ranging from 8 microns to …
Using Machine Learning To Predict Student Achievement On The State Of Texas Assessment Of Academic Readiness Examination In Charter Schools, Christopher D. Gonzalez
Using Machine Learning To Predict Student Achievement On The State Of Texas Assessment Of Academic Readiness Examination In Charter Schools, Christopher D. Gonzalez
Theses and Dissertations
The purpose of this study was to research and develop a way to use machine learning algorithms (MLAs) to predict student achievement on the State of Texas Assessment of Academic Readiness (STAAR), specifically in the charter school setting. Charter schools have the disadvantage of a constant influx in students, so providing historical student data in order to analyze trends proves difficult. This study expands on previous research done on students in secondary and post-secondary school and determining features that indicate success in these settings. The data used is from the district of IDEA Public Schools who focuses on providing education …
Algorithms For Learning The Structure Of Monotone And Nonmonotone Sum-Product Networks, Aaron W. Dennis
Algorithms For Learning The Structure Of Monotone And Nonmonotone Sum-Product Networks, Aaron W. Dennis
Theses and Dissertations
The sum-product network (SPN) is a recently-proposed generative, probabilistic model that is guaranteed to compute any joint or any marginal probability in time linear in the size of the model. An SPN is represented as a directed, acyclic graph (DAG) of sum and product nodes, with univariate probability distributions at the leaves. It is important to learn the structure of this DAG since the set of distributions representable by an SPN is constrained by it. We present the first batch structure learning algorithm for SPNs and show its advantage over learning the parameters of an SPN with fixed architecture. We …
Facies Analysis And Depositional Environments Of The Saints & Sinners Quarry In The Nugget Sandstone Of Northeastern Utah, Jesse Dean Shumway
Facies Analysis And Depositional Environments Of The Saints & Sinners Quarry In The Nugget Sandstone Of Northeastern Utah, Jesse Dean Shumway
Theses and Dissertations
The Saints & Sinners Quarry preserves the only known vertebrate body fossils in the Nugget Sandstone and the most diverse fauna known from the Nugget-Navajo-Aztec erg system. The fauna includes eight genera and >18,000 bone and bone fragments assignable to >76 individuals, including theropods, sphenosuchians, sphenodontians, drepanosaurs, procolophonids, and a dimorphodontid pterosaur. Cycadeoid fronds are the only plant fossils. There are two depositional environments at the site – dune and interdune, each consisting of two or more faces. The dune facies are (1) Trough Cross-Stratified Sandstone (TCS) representing dry dunes, and (2) Massive and Bioturbated Dunes (MBD) representing bioturbated, damp …
Investigation Of Dynamic Biological Systems Using Direct Injection And Liquid Chromatography Mass Spectrometry, Adam Clayton Swensen
Investigation Of Dynamic Biological Systems Using Direct Injection And Liquid Chromatography Mass Spectrometry, Adam Clayton Swensen
Theses and Dissertations
In biological systems, small changes can have significant impacts. It is, therefore, very important to be able to identify these changes in order to understand what is occurring in the organism. In many cases, this is not an easy task. Mass spectrometry has proven to be a very useful tool in elucidating biological changes even at a very small scale. Several different mass spectrometry based techniques have been developed to discover and investigate complex biological changes. Some of these techniques, such as proteomics, have been through years of development and have advanced to the point that anyone can complete complex …
Structural Analysis Of Cell Signaling Complexes, Takuma Aoba
Structural Analysis Of Cell Signaling Complexes, Takuma Aoba
Theses and Dissertations
Bardet-Biedl syndrome (BBS) is a rare genetic disease that causes retinal degradation, obesity, kidney dysfunction, polydactyly, and other cilium-related disorders. To date, more than 20 BBS genes, whose mutants cause BBS phenotypes, have been identified, and eight of those (BBS1-2, 4-5, 7-9, and 18) are known to form the BBSome complex. Recent studies have revealed that the BBSome is closely involved in the trafficking of signaling proteins in the primary cilium. Mutations in BBS genes are highly pathogenic because trafficking in the primary cilium is not fully functional when BBS mutations impair assembly of the BBSome. However, the functional links …
Symmetry And Reconstruction Of Particle Structure From Random Angle Diffraction Patterns, Sandi Wibowo
Symmetry And Reconstruction Of Particle Structure From Random Angle Diffraction Patterns, Sandi Wibowo
Theses and Dissertations
The problem of determining the structure of a biomolecule, when all the evidence from experiment consists of individual diffraction patterns from random particle orientations, is the central theoretical problem with an XFEL. One of the methods proposed is a calculation over all measured diffraction patterns of the average angular correlations between pairs of points on the diffraction patterns. It is possible to construct from these a matrix B characterized by angular momentum quantum number l, and whose elements are characterized by radii q and q’ of the resolution shells. If matrix B is considered as dot product of vectors, which …