Digital Commons Network^™

Secondary Electron Yield Of Metals, Alloys, And Metal Oxides From First Principles Based Monte Carlo Simulations, Raul E. Gutierrez

Electrical and Computer Engineering ETDs

Density Functional Theory (DFT) based Monte Carlo (MC) simulations of the Sec-
ondary Electron Yield (SEY) of metals, alloys, and metal oxides are performed to
find material properties that could help reduce or influence the multipactor effect.
In order to accurately model the SEY of materials, knowledge of the frequency- and
momentum-dependent Energy Loss Function (qDepELF) is required. The qDepELF
is difficult to determine from experiment; however, it can be calculated from first
principles. The DFT-MC approach for simulating the secondary electron genera-
tion, propagation, and emission processes is described herein. Material properties,
which are calculated using DFT and used …

Visualization Of Species Tree Likelihood Under The Multispecies Coalescent Model, Jaimasan Sutton

Mathematics & Statistics ETDs

A commonly used tool for evolutionary biologists is a phylogenetic tree that represents the ancestry of a set of species and the evolution of traits. Statistical models can be used to predict the probabilities of gene trees which represent ancestral relationships of genes sampled from species. Because of this, we are able to represent the likelihood of a species tree, which represents the evolutionary history of a set of species, as a function of the counts of gene tree topologies, where each gene tree represents the ancestry of a specific genetic locus for multiple species. Because we can represent these …

Ashley Pugh V. Northampton Hospital Co Llc

2024 Decisions

USDC for the Eastern District of Pennsylvania

Joseph Marcy V. Superintendent Phoenix Sci

2024 Decisions

USDC for the Middle District of Pennsylvania

Surface Urban Cool Island Assessment In Village-Level Tourism Destinations Using Gis And Principal Component Analysis, Revi Hernina, Arif Wicaksono

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

This study describes the process to generate classification of village-level tourism destinations known as kampung tematik in Bogor Municipality based on values from Surface Urban Cool Island (SUCI), Normalized Difference Built-up Index (NDBI) ≤ -0.17, Normalized Difference Vegetation Index (NDVI) > 0.3, and Urban Index (UI) < -0.2. SUCI values represent the cool temperature, while NDBI ≤ -0.17, NDVI > 0.3, and UI < -0.2 are associated with dense and healthy vegetation. Herein, Band 10 from Landsat 8 was processed to generate land surface temperature (LST) and further, SUCI image was derived from LST image by employing SUCI algorithm. All three variables, namely NDVI, NDBI, and UI were also processed from Landsat 8 with date 24 May 2020. These four variables of SUCI, NDVI, NDBI, and UI image pixels were superimposed with 39 kampung tematik locations using Geographic Information System (GIS) which resulted in 14 locations containing the area percentage from four variables. The values from four variables in 14 locations were inputted into Principal component Analysis (PCA) using R software version 4.1.3. Based on PCA, it reveals that three tourism destinations are classified with area percentage of SUCI less than 50% while the other 11 destinations are classified with area percentage of SUCI more than 50%. In addition, characteristics of tourism destinations with SUCI area percentage less than 50% are identified to have low area percentage of NDBI ≤ -0.17, NDVI > 0.3, and UI < -0.2.

Mathematical Concepts And Coding Theory In Kumārasambhavam Of Kālidāsa, Bhuvaneswari K

Theses and Dissertations

Kālidāsa, a renowned Sanskrit poet and playwright from ancient India, is known for his profound understanding and depiction of various aspects of human life, nature, and the universe in his works. While his writings primarily revolve around themes of love, romance, and human emotions, there are several instances where he incorporates mathematical concepts and astronomical references.

His meticulous usage of such abstractions and symbolism adds depth and richness to his poetry. These elements serve as tools to enhance the imagery and aesthetics of his literary works, reflecting the interplay between art and science in ancient Indian culture. These subtle allusions …

Wide-Area Quantitative Phase Microscopy Using Spatial Phase Scanning Digital Holography, Myung K. Kim

USF Patents

Disclosed are various embodiments for wide-area quantitative phase microscopy using spatial phase scanning digital holography. A motorized micrometer is scanned across a field-of-view, and a camera captures a frame of the field-of-view. The frame of the field-of-view is phase shifted by a predetermined number of pixels. The phase-shifted frame is included in a plurality of phase-shifted frames, and a complex optical field is generated based at least in part on the plurality of phase-shifted frames. A segment of the complex optical field is extracted and appended to a plurality of segments of the complex optical field. A holographic image is …

Small Diameter Polymer Optical Waveguide, Venkat Rama Bhethanabotla, Thomas M. Weller, Roger Brandon Tipton, John Townsend Bentley, Eduardo Antonio Rojas

USF Patents

A novel polymer optical waveguide and method of manufacturing is presented herein. A digitally manufactured process is described which utilizes a micro-dispensed UV optical adhesive as the contour guiding cladding, a fused deposition modeling technology for creating a core, and a subtractive laser process to finish the two ends of the optical interconnect. The optical waveguide can be printed directly on a circuit board in some embodiments. Alternatively, using a slightly modified process including a step to bond the optical fiber to the substrate, the optical interconnect can be manufactured on a flexible substrate.

Mixed Potential Sensor For Natural Gas Leak Detection Design, Manufacturing, And Simulation, Sleight Halley

Chemical and Biological Engineering ETDs

There is a need for a low-cost robust sensor accurately detecting leaks from oil and gas infrastructure. This work presents the development of an electrochemical sensor based on an yttria stabilized zirconia (YSZ) electrolyte with La_0.87Sr_0.13CrO₃, Indium Tin Oxide (In₂O₃ 90 wt%, SnO₂ 10 wt%), Au, Pt electrodes. Selectivity to target gasses of the three sensing electrodes in conjunction with machine learning allows for the accurate discrimination between possible methane sources as well as the quantification of methane concentration. Sensor sensitivity is improved through a low-ionic conductivity substrate of magnesia …

A Comparison Of Instructor Audio-Video With Text-Based Feedback Versus Text-Based Feedback Alone On Students' Perceptions Of Community Of Inquiry Among Rn-To-Bsn Online Students, Marie K. Lindley

Dissertations

In order to meet the healthcare needs of the US population, Registered Nurses (RNs), with Bachelor of Science in Nursing degrees, are needed. This descriptive posttest study, with independent samples, examined the use of audio-video with text-based feedback versus text-based only feedback on student's perceptions of the community of inquiry (COI) among RN-BSN online students (n=125), enrolled in one course at one university. The COI survey performed reliably with Cronbach's alpha .94 on the pretest and .98 on the posttest. No statistically significant difference was found between the groups on the pretest for teaching presence (p=.31), …

Qcd Bounds On Leading-Order Hadronic Vacuum Polarization Contributions To The Muon Anomalous Magnetic Moment, Siyuan Li, T. G. Steele, Jason N.E. Ho, R. Raza, K. Williams, R. T. Kleiv

Faculty Work Comprehensive List

QCD bounds on the leading-order (LO) hadronic vacuum polarization (HVP) contribution to the anomalous magnetic moment of the muon [𝑎HVP,LO𝜇, 𝑎𝜇 =(𝑔−2)𝜇/2] are determined by imposing Hölder inequalities and related inequality constraints on systems of finite-energy QCD sum rules. This novel methodology is complementary to lattice QCD and data-driven approaches to determining 𝑎HVP,LO𝜇. For the light-quark (𝑢, 𝑑, 𝑠) contributions up to five-loop order in perturbation theory in the chiral limit, LO in light-quark mass corrections, next-to-leading order in dimension-four QCD condensates, and to LO in dimension-six QCD condensates, we findthat (657.0±34.8) ×10−10 ≤𝑎HVP,LO𝜇 ≤(788.4±41.8) ×10−10, bridging the range between …

Cross-Correlation Increases Sampling In Diffusion-Based Super-Resolution Optical Fluctuation Imaging, Jeanpun Antarasen, Benjamin Wellnitz, Stephanie N. Kramer, Surajit Chatterjee, Lydia Kisley

Faculty Scholarship

Correlation signal processing of optical three-dimensional (x, y, t) data can produce super-resolution images. The second-order cross-correlation function XC2 has been documented to produce super-resolution imaging with static and blinking emitters but not for diffusing emitters. Here, we both analytically and numerically demonstrate cross-correlation analysis for diffusing particles. We then expand our fluorescence correlation spectroscopy super-resolution optical fluctuation imaging (fcsSOFI) analysis to use cross-correlation as a postprocessing computational technique to extract both dynamic and structural information on particle diffusion in nanoscale structures simultaneously. Cross-correlation maintains the same super-resolution as auto-correlation while also increasing the sampling rates to reduce aliasing for …

The Negative Impacts Of Parentification On Adolescents: A Systematic Review, Reilly Reid Hawkins

Theses and Dissertations

While child abuse, maltreatment, and neglect are clear examples of the most maladaptive types of parent-child interactions (Borchet et al., 2022), there is considerable evidence for the damaging nature of parentification in terms of youth outcomes and parental/familial dysfunction. The research literature contains numerous studies related to parentification, but there is little research overtly demonstrating the systemic effects of parentification (Peris et al., 2008). It is imperative that researchers and clinicians learn more about the mechanisms involved in the parentification process. Therefore, this systematic review analyzed the research literature centered on both parentification and adolescent populations. This study assessed various …

Comparative Analysis Of Land Surface Temperature Between Oil Palm Plantations And Rice Paddies In Southern Sumatra Island, I Kadek Yoga Dwi Putra, Muhammad Qabus Abid K, Cindy Adria A. P, Eko Kusratmoko

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

Land Surface Temperature (LST) is a vital metric for understanding thermal dynamics and environmental impacts of land cover types. Influenced by land use, vegetation, and elevation, LST helps assess ecological changes and human impacts on surface temperatures. This study investigates LST variations between oil palm plantations and rice paddies in southern Sumatra, Indonesia, using Landsat 8 remote sensing data. The aim is to compare the thermal characteristics of these dominant agricultural landscapes across elevation gradients (0–1250 meters above sea level). Results reveal significant LST differences: rice fields generally show higher LST values at lower elevations, while oil palm plantations have …

Adaptive Immune Profiling Of Sin Nombre Hantavirus And Severe Acute Respiratory Syndrome Coronavirus 2 Infection, Tonilynn M. Baranowski

Biomedical Sciences ETDs

Hantaviruses are causative agents of potentially fatal respiratory illness and/or organ failure in humans worldwide. In the United States, the predominant hantavirus species, Sin Nombre hantavirus (SNV), causes a severe disease pathology, called hantavirus cardiopulmonary syndrome (HCPS). Infection with SNV and subsequent clinical manifestations of HCPS lends itself to case fatality rates approaching 40%, even under supportive care. This is partially due to the lack of FDA-approved vaccines and antivirals, in addition to a deficit in our knowledge regarding the human immune response to SNV. Further investigation of the adaptive immune response may reveal key targets to mediate disease outcome. …

Bonding Performance Of Chip Seal Containing Waste Tire Rubber Particles, Chen Jianmin, Liu Donghai, Wang Jinyu, Liu Haozhi

Journal of China & Foreign Highway

In order to promote the reuse of waste tires and reduce environmental pollution，chips were replaced with the same volume of waste tire rubber particles to prepare a new rubber particle chip seal pavement.In order to ensure the bonding between asphalt and aggregate of the rubber particle chip seal，the surface of rubber particles was processed，and the texture characteristics of chip seal specimens with different aggregate particle sizes and rubber content were evaluated.The five indexes of rubber particle content，aggregate particle size ratio，shedding rate，structural depth，and pendulum friction coefficient were correlated and evaluated by SPSS，and the MMLS 3 test was conducted to simulate the …

Wind Turbine Power Phase Control With Dc Collection Bus For Onshore/Offshore Windfarms, Wayne Weaver, David Wilson, Rush Robinett

Michigan Tech Patents

A DC bus collection system for a wind farm reduces the overall required number of converters and minimizes the energy storage system requirements. The DC bus collection system implements a power phasing control method between wind turbines that filters the variations and improves power quality. The phasing control method takes advantage of a novel power packet network concept with nonlinear power flow control design techniques that guarantees both stable and enhanced dynamic performance.

The Feasibility Of An Acute Bout Of High Intensity Interval Vs Continuous Moderate-Intensity Exercise On Cognition In Chronic Stroke Patients, Anna M. Welch, Marissa Ramirez, Christine Mermier, Flavio De Castro Magalhaes, Jessia D. Richardson, Alyssa Bailly, Terence Moriarty

Health, Exercise, and Sports Sciences ETDs

Objective: The purpose of the present study was to assess the feasibility of chronic stroke patients safely completing an acute 30-minute session of high-intensity interval exercise (HIIE) compared to moderate-intensity aerobic exercise (MIE) on a treadmill, with a focus on cognitive outcomes. Design: This feasibility study utilized a randomized controlled crossover trial with two experimental sessions separated by at least 7 days to minimize practice effects on cognitive assessments. Subjects: Five chronic stroke survivors (m=4, f=1) participated in two randomly assigned experimental sessions (n=5, 60.4 ± 11.3 years, 39.8 ± 41.4% body fat, 32.7±6.3 body mass index [kg/m²])., either a …

Negation In Dene Languages, Cormac League

Linguistics ETDs

This thesis uses a typologically informed approach to investigate the strategies used for negation in Dene languages. This study illuminates aspects of the development of negation by examining the complex interplay between the lexical forms and morphosyntactic strategies employed to encode negative polarity in declarative and prohibitive constructions. The theoretical frameworks of the Jespersen Cycle and the Negative Existential Cycle are utilized to discuss negators in relation to their possible origins. Particular attention is given to the Pacific Coast and Southern Dene languages to propose an origin for the bipartite negation strategies used in the later. Through examination of synchronic …

Tuning Of Real-Time Optimization Of Heliostat Concentrated Solar Power, Zachary L. Bernius

Mechanical Engineering ETDs

This paper investigates a real-time optimization algorithm for autonomously calibrating the heliostats in a concentrated solar power plant with the goal of maximizing power generation. The current state-of-the-art uses human operators to provide feedback for the heliostats. We use real-time/online measurements to produce an autonomous closed-loop system that does not require human intervention. The paper investigates tuning the gain of the real-time optimization algorithm to quickly and robustly converge to the optimal alignment and stabilize the system. The exponential stability of the system is certified using a quadratic Lyapunov function and static output feedback methods to couple the Lyapunov functions …

Unequal Neighbors In Diverse Neighborhoods: Accounting For Variation In The Impact Of Relative Inequality On Neighborhood Crime, Samuel A. Torres

Sociology ETDs

Research demonstrates that crime rate differences across racially segregated urban communities are primarily attributable to uneven distributions of resources between neighborhoods. Less is known about the role economic inequality within neighborhoods, what I call relative inequality, plays in maintaining ethno-racial criminal disparities. In this dissertation I explore sources of variation in the impact of relative inequality on neighborhood crime by drawing on data from the 2010-2013 National Neighborhood Crime Study Panel (NNCS2-P). I find that relative inequality effects are attenuated in higher disadvantage neighborhoods and this interaction accounts for differences in effect size by neighborhood ethno-racial composition. Results also show …

3d Printed Mounts For Liquid Microdroplet Resonators, Parker A. Awerkamp

Theses and Dissertations

Liquid microdroplet resonators provide an excellent tool for optical studies due to their innate smoothness and high quality factors, but they can be difficult to control. By using 3D printed mounts to support the droplets, we can obtain precise control over the droplet geometries and positions. We here present our work with oil, water, and ice microdroplets, as well as tools required to enable their study. We first present methods for creating 3D printed mounts for oil microdroplet resonators. The mounts enable precise positioning of the droplets relative to a tapered optical fiber. The oil microdroplet resonators exhibited quality factors …

Potential Targeting Mechanisms For Bone-Directed Therapies, Betul Celik, Andrés Leal, Shunji Tomatsu

Department of Pediatrics Faculty Papers

Bone development is characterized by complex regulation mechanisms, including signal transduction and transcription factor-related pathways, glycobiological processes, cellular interactions, transportation mechanisms, and, importantly, chemical formation resulting from hydroxyapatite. Any abnormal regulation in the bone development processes causes skeletal system-related problems. To some extent, the avascularity of cartilage and bone makes drug delivery more challenging than that of soft tissues. Recent studies have implemented many novel bone-targeting approaches to overcome drawbacks. However, none of these strategies fully corrects skeletal dysfunction, particularly in growth plate-related ones. Although direct recombinant enzymes (e.g., Vimizim for Morquio, Cerezyme for Gaucher, Elaprase for Hunter, Mepsevii for …

State Of Utah Plaintiff/ Appellee V. Andrew Donn Whytock Defendant/ Appellant : Brief Of Appellee, Utah Court Of Appeals

Utah Court of Appeals Briefs (2020 –)

Appeal from two convictions for aggravated assault, a first degree felony, in the Fourth Judicial District, Millard County, the Honorable Donald Eyre presiding

CHERISE BACALSKI, FREYJA JOHNSON, EMILY ADAMS, Counsel for Appellant

MARIAN DECKER, SEAN D. REYES, PATRICK S. FINLINSON, Counsel for Appellee

Functional & Evolutionary Analysis Of Tbx2a And Tbx2b In Zebrafish Heart Development, Maliha Tasnim

Theses and Dissertations

Congenital Heart Disease (CHD) is the most common birth defect, affecting approximately 1% of live births. This dissertation explores the genetic mechanisms underlying CHD, focusing on the T-box transcription factors Tbx2a and Tbx2b in zebrafish. Utilizing advanced bioinformatics techniques, we reconstructed the ancestral sequences of these genes to understand their evolutionary trajectory and functional divergence. Our analysis highlights the evolutionary conservation of the DNA-binding domain in tbx2a and tbx2b, suggesting its crucial role in maintaining correct gene expression patterns during development. We observed unique and shared amino acid substitutions in these proteins, indicating potential adaptive changes and conserved functions. Comparative …

Cherokia Georgiana Mitogenome Sequencing And Analysis, William Wittstock

Biology Theses

Despite the vast diversity of millipedes, complete genomic and mitogenomic data available in public databases is limited, hindering comprehensive studies on their classification, evolution, and genetics. Among the underrepresented taxa are the Xystodesmidae, a family comprising approximately 500 species with minimal mitogenomic data, and no complete genomes sequenced. Our research involves sequencing the mitochondrial genome of Cherokia georgiana, a representative of this diverse family with interesting traits that are not clearly defined at a genetic level. This research also serves as a pilot study to develop DNA extraction methods and protocols for whole genome sequencing. Multiple DNA extraction kits …

Answers To Frequently Asked Questions About The Pulsar Timing Array Hellings And Downs Curve, Joseph D. Romano, Bruce Allen

Physics & Astronomy Faculty Publications

We answer frequently asked questions (FAQs) about the Hellings and Downs correlation curve—the ‘smoking-gun’ signature that pulsar timing arrays (PTAs) have detected gravitational waves (GWs). Many of these questions arise from inadvertently applying intuition about the effects of GWs on LIGO-like detectors to the case of pulsar timing, where not all of it applies. This is because Earth-based detectors, like LIGO and Virgo, have arms that are short (km scale) compared to the wavelengths of the GWs that they detect (≈102–104 km). In contrast, PTAs respond to GWs whose wavelengths (tens of light-years) are much shorter than their arms (a …

Inheritance And Development Of Chinese Kang In Interior Space, Long Yang, Safial Aqbar Zakaria

Interiority

The Chinese kang is an ancient technology that combines an integrated household system for cooking, sleeping, and heating. Most of the existing research focuses on the energy performance of Chinese kang and its impact on the interior environment and tries to adapt it to the modern interior space through the improvement of its technology. However, if we only focus on the research and improvement of the technical level of Chinese kang, it is not conducive to the effective inheritance and development of the culture. This paper studies the concept of 'inheritance and development' of Chinese kang culture more comprehensively …

Utah Consumer Preferences And Willingness To Pay For Specialty Labeled Fruit Products, Kynda R. Curtis, Makaylie Langford, Marcelo Pignatari

All Current Publications

In this fact sheet, we discuss the results of a 2023 study examining Utah consumer preferences and willingness to pay (WTP) for fruit products labeled local (Utah’s Own™), organic, and GMO-free. We discuss and compare survey respondents' past consumption, awareness, preferences, and attitudes toward these labeling programs. Additionally, we examine consumer WTP values for each of these labels for three fruit varieties and fresh and dried products, namely fresh apples, strawberries, and dried tart cherries.

Pathways To Social Mobility: Examining Trades As A Career Path For Formerly Incarcerated Individuals, June Jenkins

Dissertations and Theses

Obtaining stable, paid employment is crucial for successful reentry into the community after incarceration, however, formerly incarcerated individuals face extensive barriers when entering the workforce. Trades may present a uniquely attainable career path for this population due to relatively low barriers to entry. To date, there is a lack of research investigating experience-based perspectives on the viability of trades training programs and trades careers in facilitating prisoner reentry. This study employs semi-structured qualitative interviews to investigate perspectives on trades as a career path for formerly incarcerated individuals as well as barriers to accessing and attending trades training programs. Interviewees include …