The Effects Of Mesopredator Presence On Population Abundances Of Eastern Wild Turkey (Meleagris Gallopavo Silvestris), James Mcmichen

Biological Sciences Undergraduate Honors Theses

The eastern wild turkey (Meleagris gallopavo silvestris) has been an important game bird for the cultures and livelihood of peoples living in North America for centuries. Understanding how predation pressures affect wild turkey behavior can help us better manage turkey populations. I looked at three mesopredators: raccoons (Procyon lotor), gray foxes (Urocyon cinereoargenteus), and coyotes (Canis latrans) to see how they influence turkey presence at the White Rock Ecosystem Recreational Area, northwest Arkansas. I employed the use of 16 Moultrie trail cameras to ennumerate wild turkey and mesopredators at 29 sites. I deployed the cameras during late winter and early …

Developing Sustainable Rice Production Through Image Classification, Parker R. Fitzgerald

Industrial Engineering Undergraduate Honors Theses

The agricultural industry’s continued success is critical to our future. However, many agricultural practices—specifically rice farming—are currently based on unsustainable methods. The processes used in rice farming consume water at an unsupportable rate, and, consequently, are serious contributors to rising emission levels. Several alternative growing methods have been introduced, and one of the most promising candidates is Alternative Wetting and Drying (AWD). An obstacle encountered by proponents of these methods comes in implementation. Studies have shown AWD is more successful in fields with higher leveling precision. The research in this study works to create a stepping stone for farmers to …

Will The Trump Administration Support Farmers Facing Fsma Compliance?, Sophia Kruszewski

Journal of Food Law & Policy

In keeping with Donald Trump’s campaign promises of cutting burdensome regulations, this essay recommends two Food Safety Modernization Act (FSMA) regulations that should be removed or altered. The two regulations are for irrigation water quality standards and third-party audits. This essay argues that these regulations are unnecessary in keeping with the goals of FSMA and are burdensome for farmers of all scales, but especially small and very small scale farmers.

Detection Of Leukocytes Stained With Acridine Orange Using Unique Spectral Features Acquired From An Image-Based Spectrometer, Courtney J. Hunter

Biomedical Engineering Undergraduate Honors Theses

A leukocyte differential count can be used to diagnosis a myriad blood disorders, such as infections, allergies, and efficacy of disease treatments. In recent years, attention has been focused on developing point-of-care (POC) systems to provide this test in global health settings. Acridine orange (AO) is an amphipathic, vital dye that intercalates leukocyte nucleic acids and acidic vesicles. It has been utilized by POC systems to identify the three main leukocyte subtypes: granulocytes, monocytes, and lymphocytes. Subtypes of leukocytes can be characterized using a fluorescence microscope, where the AO has a 450 nm excitation wavelength and has two peak emission …

Humor In Medicine: A Literature Review Of Humor’S Potential Therapeutic Value In Health Care, Weston Michael Grant

Psychological Science Undergraduate Honors Theses

Using humor and laughter within the health care field has the potential to be relevant to patients during treatment, to the patient-caregiver relationship, to the subjective well-being of health care providers, and to the environments’ (e.g., work settings) impact on group relationships (e.g., colleagues). A review of the literature examines how the psychological and physiological effects of laughter and humor within the human body impact health and well-being, how humor and laughter improve the patient-practitioner relationship, and if humor and laughter can potentially impact physician burnout. Several possible implications for these findings are discussed, such as professional medical comedians, improvements …

Temporal Evaluation Of Corn Respiration Rates Using Pressure Sensors, Gagandeep Singh Ubhi

Graduate Theses and Dissertations

High respiration rate of a grain indicates faster degradation of its dry matter. Proper grain management requires chronological and precise measurements of carbon dioxide evolved from grain respiration during the postharvest storage duration. Therefore the main goal of this research was to develop a new technique that evaluates temporal corn respiration rate using pressure sensors. It was based on measuring pressure drop associated with the grain respiration in a closed container and using it to calculate the grain respiration rates.

Dry corn (Zea Mays L.) was procured from a local farmer and stored at 4ºC. Corn rewetting technique was applied …

Implementation Of A Standards-Based Grading Model: A Study Of Parent And Teacher Perceptions Of Success, Amber Dee Wheeler

Graduate Theses and Dissertations

The purpose of this study is to explore the perceptions of parents and teachers regarding the success of a standards-based grading initiative in meeting its goals. Furthermore, findings from this study will be used to inform decisions made in future grade level implementations. Standards-based grading meets all criteria for a problem of practice. The literature situates standards-based grading as a high impact strategy that can affect the entire system. This mixed-methods study will be used to determine practical changes for a school implementing standards-based grading. This study found parents positively responded to the change, and parents understood their child’s current …

Characterization Of The Rnap Binding Sites On A Λ Dna Using A Solid State Nanopore Combined With A Tuning Fork Force Sensing Probe Tip, Harpreet Kaur

Graduate Theses and Dissertations

In this dissertation, the binding positions of RNAP holoenzyme on a λ DNA are characterized using an apparatus that integrates a Solid State Nanopore with a Tuning Fork based Force sensing probe (SSN-TFFSP). The SSN-TFFSP system combines the measurement of ionic current through a solid-state nanopore with a DNA tethered probe tip. The position of the tip is sensed by a tuning fork force sensor and is controlled with a nanopositioning system. With this apparatus, translocation speed of DNA through solid state nanopores has been brought down to 100 μs/base. Such a controlled movement of DNA through a solid state …

Reconnection Group For Individuals Who Have Experienced Interpersonal Trauma: An Explanatory Case Study, Megan Little

Graduate Theses and Dissertations

Interpersonal traumas are becoming more common to the general public and the need for services to assist the mental and emotional well-being of survivors is increasing. However, due to the complicated impacts of trauma on the mind, body, and spirit there can be a challenge in finding effective treatment options that are long lasting for trauma symptoms. The purpose of this study was to understand the elements of a trauma group treatment (Reconnection group) modality that utilizes psychodrama as the primary treatment option and incorporates mindfulness and yoga as adjunctive treatments with individuals who have experienced interpersonal trauma. Findings suggest …

A Study Of Innovation In Model Project Design: Addressing Mental Health Symptoms Among Co-Occurring Substance Use And Mentally Ill Clients Who Are Homeless In A Local Community Clinic Setting, Isis Dian Martel

Graduate Theses and Dissertations

Homeless persons with co-occurring substance use combined with mental illness constitute a particularly vulnerable subgroup with complex service needs. Unfortunately, the capacity to deliver critical treatment services has been extremely limited causing many from this population to remain untreated. Untreated co-occurring disorders can lead to a host of difficulties for both the individual and the community (Bouchery, Harwood, Sacks, Simon, & Brewer, 2011). Developing community based intervention services in Arkansas is a key activity necessary in strategically addressing this problem (Barbee, Gonzales, & Shelor, 2016). In partnership with the Arkansas Division of Behavioral Health Services, a local community treatment provider …

Where In The World Are Pallas's Fish Eagles? Migration And Ecology Of Haliaeetus Leucoryphus In Asia, Marla Lynn Steele

Graduate Theses and Dissertations

Pallas’s Fish Eagle (Haliaeetus leucoryphus) is the Northern Hemisphere’s least understood eagle species. Virtually nothing is known concerning the species’ ecology. Historically, Pallas’s Fish Eagles were expected to breed in three separate populations in Mongolia, China, and India and was considered one of the most common raptors in Asia prior to the 1900’s. However, by 1960’s major declines were observed. The species is currently listed as “globally vulnerable” by the International Union for the Conservation of Nature (IUCN) Red List. The current study examined over a century of Pallas’s Fish Eagle observation data to determine occupancy and detection rates throughout …

Optimizing A Standard Fasting Time For 2-Nbdg Uptake Studies In Murine Breast Cancers, Andrew C. Briley

Biomedical Engineering Undergraduate Honors Theses

Recently, there has been a larger use of 2-NBDG, a fluorescent glucose analog, to study glucose uptake in different cell types. These cell types have ranged anywhere from bacteria to human cancer cells. However, there has yet to be a standard procedure and practice for using 2-NBDG. In this study, our goal is to create a standard fasting time for the cells before introducing 2-NBDG to them. This study uses 4T07 cells, a murine breast cancer cell line, to help optimize this fasting time. These cells were fasted at different time points in order to find the ideal fasting time. …

Emergency Preparedness Competencies Among Nurses In Northwest Arkansas, Taylor A. Matlock

The Eleanor Mann School of Nursing Undergraduate Honors Theses

Despite years of training and experience, evidence suggests nurses report wide gaps in emergency competencies and disaster preparedness. Further, nurses report low levels of familiarity in competencies related to planning for disasters, implementing disaster guidelines, and assessing patients exposed to biological and chemical agents. This research sought to establish the self-reported level of emergency preparedness competencies of nurses in Northwest Arkansas, an area that faces a diverse set of potential disasters ranging from nuclear accidents to pandemic disease. Additionally, differences between of the level of preparedness by education level or work specialty were studied. The results are alarming in that …

Effect Of Storage Temperature And Time On Lyophilized Water Bark Extract's Biological Activity, Jillian Schneider

Biological and Agricultural Engineering Undergraduate Honors Theses

Sweetgum bark extract has been known to show biological activities such as antimicrobial and antioxidant capabilities. The storage capacity of the extract, however, was unknown and previously thought to diminish over time. However, upon experimentation, the freeze-dried sweetgum bark extract showed no signs that storage time or storage temperature had any significant effect on the biological activities. There was no significant difference across storage temperature over time in the experiment (ANOVA RM, P0.05). Therefore, the antioxidant capabilities of the sweetgum extract were not affected by the storage time or temperature treatments studied in this work. For the antimicrobial experiment, there …

Analysis Of Lid Implementation To Combat Flooding And Erosion At The University Of Arkansas Campus, Madison E. Crowl

Biological and Agricultural Engineering Undergraduate Honors Theses

The city of Fayetteville, Arkansas has experienced rapid urbanization throughout recent years as it continues to grow. Within the city, the University of Arkansas has been constantly expanding, with increased impervious surfaces as more parking lots and facilities are built. This has caused issues including flooding and stream bank erosion, specifically in Mullins Creek, which receives runoff from a large part of campus. A portion of the creek was restored, but there are still downstream issues. Low Impact Development (LID) is a type of green infrastructure that has been shown to decrease runoff and increase infiltration. EPA SWMM, a hydrologic …

From Digital Repositories To The Library Catalogue: Two Workflows For Transforming Metadata, Amy Leigh Allen, Deborah E. Kulczak, Mary A. Gilbertson

University Libraries Faculty Publications and Presentations

Making a connection between digital repositories and library catalogues is an issue many libraries and archives face, especially when dealing with items that traditionally received full cataloguing records. This paper explores different workflows for reusing metadata to create catalogue records, connecting the two resources together. In order to have one interface to search both the older physical items and newer digital items, the archives and technical services department of the University of Arkansas Libraries worked together to create different workflows to save time and eliminate the need for double entry, using the open source software MarcEdit and XML Notepad. Two …

Eating Is Not Political Action, Joshua Galperin, Graham Downey, D. Lee Miller

Journal of Food Law & Policy

To create policy at the interface of the centrally important and overlapping American ideals of agriculture and the environment, there are two options. Passive governance fosters markets in which participants make individual choices that aggregate into inadvertent collective action. In contrast, assertive governance allows the public, mediated through elected officials, to enact intentional, goal-oriented policy. This essay contends that the latter option, assertive governance, is the only appropriate means of creating harmony between agriculture and the environment it depends upon.

Wayward Women, Macho Men: Linguistic Construction Of Gender Binaries In Yxta Maya Murray's Locas And Denise Chavez's Loving Pedro Infante, Stephanie Tangman

Graduate Theses and Dissertations

Language labels and defines in order to enhance meaning and communication, but through these labels and definitions speakers are also conditioned to associate certain connotations with words and, therefore, their referents. While often harmless, linguistic conditioning can at times create unsavory associations with these referents. One of these instances occurs in gendered labels and conceptions of male and female bodies and purpose. Both Yxta Maya Murray’s Locas and Denise Chavez’s Loving Pedro Infante can be read through a lens that applies linguistic conditioning with gender theory in order to examine the reinterpretation of female archetypes in the Chicana imagination. It …

An Exploration Of The Experience Of Open Awareness Co-Meditation At The Beginning Of Therapy Sessions, Aneeqa Ishtiaq

Graduate Theses and Dissertations

Mindfulness and meditation have been seen as beneficial for mental health and mindfulness-based therapies have proliferated alongside an increase in popular interest in mindfulness (Germer, Siegel, & Fulton, 2013). However, many therapists are unaware of how to add mindfulness-based interventions. It may seem especially ambiguous for therapists and clients unfamiliar with the concept. In this dissertation, the history and current research on mindfulness-based psychotherapy, and its benefits and contraindications, are reviewed, and the researcher’s relationship to the topic is explained. It is identified that one way to add mindfulness to psychotherapy is for the therapist and the client to co-meditate …

Infrared Energy Conversion In Plasmonic Fields At Two-Dimensional Semiconductors, Gregory Thomas Forcherio

Graduate Theses and Dissertations

Conversion of infrared energy within plasmonic fields at two-dimensional, semiconductive transition metal dichalcogenides (TMD) through plasmonic hot electron transport and nonlinear frequency mixing has important implications in next-generation optoelectronics. Drude-Lorentz theory and approximate discrete dipole (DDA) solutions to Maxwell’s equations guided metal nanoantenna design towards strong infrared localized surface plasmon resonance (LSPR). Excitation and damping dynamics of LSPR in heterostructures of noble metal nanoantennas and molybdenum- or tungsten-disulfide (MoS2; WS2) monolayers were examined by parallel synthesis of (i) DDA electrodynamic simulations and (ii) near-field electron energy loss (EELS) and far-field optical transmission UV-vis spectroscopic measurements. Susceptibility to second-order nonlinear frequency …

Characterization Of Coupled Gold Nanoparticles In A Sparsely Populated Square Lattice, Roy Truett French Iii

Graduate Theses and Dissertations

Metal nanoparticles deposited in regular arrays spaced at optical wavelengths support a resonance due to a coherent coupling between localized surface plasmon mode and lattice diffraction allowing for engineering of tunable devices for use in biological sensors, nanoantennae, and enhanced spectroscopy. Techniques such as electron beam lithography, focused ion beam lithography, nanosphere lithography, and nanoimprint lithography are used for fabrication but are limited by cost, device throughput, and small deposition. Polymer soft lithography and continuous dewetting of particles is a potentially viable alternative showing promise in all of those areas. This thesis developed the fabrication of a refined hydrophilic nanoimprinted …

Examining Fear Of Re-Injury In High School Athletes With Sport-Related Concussion, Melissa Nicole Anderson

Graduate Theses and Dissertations

Recent consensus statements have advocated for research on the emotional sequelae that is associated with sport-related concussion (McCrory et al., 2012). However, changes in fear of re-injury throughout SRC recovery are understudied. The purpose of this study was two-fold: 1) to describe fear of re-injury in high school athletes with SRC, and 2) to document changes in fear of re-injury throughout SRC recovery. This study addressed several exploratory questions regarding fear of re-injury in high school athletes with SRC that pertain to identifying predictors of fear of re-injury as well as examining the relationship between fear of re-injury and locus …

The Two-Sided Coin: Madness And Laughter As Subversion In Alice’S Adventures In Wonderland And The Sandman, Tessa Starr Swehla

Graduate Theses and Dissertations

Mad female characters in Western literature have traditionally represented attempts by dominant patriarchal discourse to subjugate women’s discourse: these characters are usually pathologized in both their dialogue with other characters and in their physical bodies. This subjugation by representation of mad female characters in dominant discourse parallels similar attempts to portray women as lacking in humor. This thesis studies the intersections between madness and humor and the ability of female characters that embody both to challenge and subvert dominant discourse. By examining the characters of Alice from Lewis Carroll’s novel and Delirium from Neil Gaiman’s graphic novel series The Sandman …

Characterization Of Candidate Compound For Control Of Barnyardgrass And Other Troublesome Weeds In Rice, Michael Ryan Miller

Graduate Theses and Dissertations

Barnyardgrass remains one of the most difficult weeds to manage in rice. As herbicide resistance in this species, as well as others, continues to increase new control options are needed. Dow AgroSciences recently discovered and is developing a new herbicide for rice which is the primary focus of this research. Experiments were conducted to characterize this new herbicide for its use and effectiveness in midsouthern U.S. rice systems. The research conducted herein covers various aspects of herbicide characterization including: barnyardgrass dose response, accession testing, spectrum of control and tank-mix capability, application optimization, soil carryover and plant back determination, drift onto …

Evaluation Of Benzobicyclon For Use In Midsouthern Rice (Oryza Sativa) Systems, Mason Luke Young

Graduate Theses and Dissertations

A new herbicide site of action (SOA) is needed by rice (Oryza sativa L.) producers in the Midsouth for the control of problematic and herbicide-resistant weeds. Currently, six problematic weeds are relevant to Midsouthern rice producers because of resistance to at least one SOA, if not more. Gowan Company is in the process of commercializing benzobicyclon for use in Midsouthern rice systems. Benzobicyclon, a Group 27 post-flood herbicide, controls a broad spectrum of aquatics, broadleaves, grasses, and sedges, including those currently resistant to Group 2 herbicides. This will be the first 4-hydroxyphenylpyruvate dioxygenase (HPPD)-inhibiting herbicide commercially available in US rice …

Evaluation Of The Correlation Between The Oxidation Reduction Potential And Free Chlorine Residual For Different Chlorine Sources Used In Poultry Drinking Water Sanitation, Samantha Renee Cox

Graduate Theses and Dissertations

A critical component in commercial poultry production is to ensure birds are provided clean, quality water. Multiple disinfectants can be utilized to optimize a good water quality program. The goal of these water disinfectants is to greatly reduce or eliminate the presence of all bacteria. In recent years, the oxidation-reduction potential (ORP) meter has been a tool utilized by the poultry industry to monitor chlorine efficacy in drinking water. An ORP reading of 650-750 millivolts (mV) has become the industry standard for assuring an acceptable sanitizing residual of free chlorine is present for controlling microbial contamination regardless of the actual …

Ecological Importance Of Invader Source Population And Disturbance In Aquatic Invasions, Nicole Elizabeth Graham

Graduate Theses and Dissertations

Invasive species are a global problem and their effects on recipient ecosystems may be mediated by disturbance and intraspecific variation. Crayfish can substantially influence stream structure and function, and invasive crayfish often have differential impacts than native crayfish in aquatic ecosystems. Since species traits often vary across a distribution, it is possible that invasive crayfish from different source populations may have distinct impacts on recipient ecosystem structure and function. In the Ozark Highlands of Arkansas and Missouri, USA, invasive O. neglectus (the Ringed Crayfish) may be leading to the displacement of native O. eupunctus (the Coldwater Crayfish). The objective of …

The Use Of Probiotics To Control The Microbial Load Present In Commercial Broiler Chicken Hatch Cabinets As An Alternative To Formaldehyde Fumigation, Lucas Elzie Graham

Graduate Theses and Dissertations

Formaldehyde has been used for decades as a disinfectant in the poultry hatchery. Hatch cabinets are treated with formaldehyde to control the microbial bloom that occurs inside of the hatch cabinet as the hatch progresses. Even with formaldehyde being a known human carcinogen and the detriment that it has on living creatures millions of chicks are exposed to formaldehyde in the hatch cabinet. In these experiments we tested a lyophilized probiotic spray inside of the hatch cabinets from day nineteen to day twenty one to control the microbial bloom that occurs. Hatch cabinet environments were sampled in six experiments. Media …

Determining Drag Forces On 3d Printed Shark Skin And The Conditions In Which Drag Forces Are Reduced, Kayla M. Bartnicke

Mechanical Engineering Undergraduate Honors Theses

ABSTRACT

This project was conducted at the University of Arkansas with access to 3D printers and a water tunnel. The project examines drag forces over 3D-printed shark skin. Shark skin was chosen to be studied because of its unique three-pronged denticle shape and the assumption that this unique shape has a purpose, such as drag reduction.

A shark denticle was designed using SolidWorks software, multiplied 164 times creating a total skin area of 17.5 in², and printed using both a MakerBot Replicator 2 3D printer and an Ultimaker 2 Go 3D printer. The shark skin was initially printed …

Decision Support Software For Palmer Amaranth Weed Control, Karen Renee Lindsay

Graduate Theses and Dissertations

Herbicide-resistant Palmer amaranth [Amaranthus palmeri (S.) Wats.] has been identified as one of the most troublesome weeds, specifically for corn (Zea mays L.), cotton (Gossypium hirsutum L.), and soybean [Glycine max (L.) Merr.] producers in the southern United States. The use of herbicide technology remains the most widely used method of weed control, despite the evolution of herbicide-resistant Palmer amaranth. Therefore, a need currently exists for research and extension education to encourage the adoption of Integrated Pest Management (IPM) to address the problem of herbicide-resistant Palmer amaranth in the southern United States. By equipping crop producers, educators, and weed management …