Digital Commons Network^™

Long-Term Recovery Of South Indian Creek Following Interstate Construction, Clara Mcclure

Electronic Theses and Dissertations

The expansion of Interstate 26 from Erwin, TN to the North Carolina border was a project that potentially adversely impacted South Indian Creek because of the steep landscapes and potential for erosion. Several studies have shown the short-term, negative effects of road construction on the water quality of nearby water bodies. Non-point source pollution is the major source of water pollution in the United States. The primary objective of this research is to evaluate the long-term effects of the construction of Interstate 26 on South Indian Creek to see if there has been any ecological recovery. The Environmental Health Sciences …

Social Science Journals In Interwar Romania And The U.S. Model Of Sociology, Valentina Pricopie

CLCWeb: Comparative Literature and Culture

In her article "Social Science Journals in Interwar Romania and the U.S. Model of Sociology" Valentina Pricopie analyzes the US-American presence in two journals of the Bucharest School of Sociology between the two world wars, as well as the information provided by US articles with regard to the US-American sociological model and its developments. Pricopie's analysis suggests strong academic connections, cooperation, and consistent exchange of academic knowledge between the two schools of thought. The analysis is based a quantitative study of the archives including the frequency of occurrence of items in thirty-one issues of Arhiva pentru Ştiinţa şi Reforma Socială …

The Development Of An In Vivo Microdialysis Collection Method Of Cytokines From Brain Tissue, Anthony W. Herbaugh

Graduate Theses and Dissertations

In this thesis, different methods to improve the microdialysis collection procedure for cytokines from brain tissue are presented. The first method was based on stopped flow and results indicating that no significant difference in relative recovery between stopped flow and continuous flow are shown. The second method is an antibody bead-based enhancement method. With the antibody bead-based method, a 3.5 fold increase in the collected concentrations of Chemokine (C-C motif) Ligand 2 (CCL2) were observed. However, there was no significant increase in the in vivo collection efficiency of Interleukin-6 (IL-6) using the antibody enhancement. Finally the development of an in-house …

Reservoir Mixing Effect On Dinitrogen Gas Distribution Within The Metalimnion Of A Man-Made Lake, Mary Elizabeth Young

Crop, Soil and Environmental Sciences Undergraduate Honors Theses

The increasing environmental distribution of nitrogen has not only lead to changes in the global nitrogen cycle, but has also lead to many complex environmental consequences. Aquatic systems are particularly sensitive to high nutrient loading, and denitrification occurring in small lakes accounts for half the global release of dinitrogen. The objective of this study was to assess whether mixing events within the metalimnion increase denitrification rates. It was hypothesized that mixing events bring oxygen from the epilimnion and ammonium from the hypolimnion, simulating a coupled nitrification-denitrification process in the metalimnion. The dinitrogen-nitrogen (N2-N) concentration for three treatments of 0, 50, …

Influence Of Poultry-Litter Biochar On Early-Season Growth In Cotton, Taylor Dayne Coomer

Crop, Soil and Environmental Sciences Undergraduate Honors Theses

Cotton (Gossypium hirsutum L.) is known for being sensitive to cool, wet soils, especially in the early stages of growth. Amendments such as soil fertilizers and manures added to soil can aid cotton seedlings in development and nutrient uptake. However, soil fertilizers and manures can be costly and detrimental to the environment, and alternatives such as the addition of biochar have been considered. Biochar is a high-carbon, nutrient-rich charcoal produced from organic matter that has gone through pyrolysis. Biochar has been shown to improve plant yield, soil microbial response, soil structure, soil cation-exchange capacity, and water-use efficiency, however research on …

Consensus Interferon Plus Ribavirin For Hepatitis C Genotype 3 Patients Previously Treated With Pegylated Interferon Plus Ribavirin, Zaigham Abbas, Ghiasun Nabi Tayyab, Mustafa Qureshi, Mohammad Sadik Memon, Amna Subhan, Tanzila Shakir, Wasim Jafri, Saeed Hamid

Section of Gastroenterology

Background

Not enough data are available about the effectiveness of consensus interferon (CIFN) among HCV genotype 3 patients who failed to respond to pegylated interferon and ribavirin.

Objectives

We aimed to assess the efficacy and safety of CIFN and ribavirin in non-responders and relapsers to pegylated interferon with ribavirin therapy.

Patients and Methods

This open-label investigator-initiated study included 44 patients who received CIFN 15 µg /day plus ribavirin 800-1200 mg daily. In patients with an early virological response (EVR), the dose of CIFN was reduced to 15 µg thrice a week for further 36 weeks. Patients with delayed virological response …

The Relationship Of College Students' Retrospective Reports Of Perceived Parenting Style And Current Adult Attachment Style With Primary Caregiver, Romantic Partner, And College Adjustment, Emily Ann Richter

Dissertations

Given the continued need for a college degree, it is important for counseling psychologists to examine factors that relate to students' adjustment to college. Specifically, investigating students' retrospective reports of how they were parented, their adult attachment to their primary caregiver from childhood, and their adult romantic attachment and how these factors related to college adjustment might offer guidance for counseling psychologists who work with college students. Therefore, the current study sought to understand this area and used a sample of 191 undergraduate students from the Rocky Mountain region. Regression results found a significant relationship between levels of parenting style, …

An Experimental Study Examining Observational And Objective Methods Of Assessing Effort In An Undergraduate Sample, Aaron Gabriel Schrader

Dissertations

Psychological assessment is predicated on the assumption that the subject is putting forth maximum effort during testing. When the individual fails to do so, it is known as response bias. The assessment of response bias is an area of research that has garnered attention in psychology because of the implications it has on psychological evaluation validity. This study examined the assessment of effort and response bias through two means, observationally and objectively, with confederates who were instructed to put forth their best effort or suboptimal effort. While being video recorded, confederates were administered a commonly used cognitive task along with …

Access Magazine, December 2013, San Jose State University, School Of Journalism And Mass Communications

Access Magazine

No abstract provided.

Filter-Based Multiscale Entropy Analysis Of Complex Physiological Time Series, Liang Zhao

Dissertations - ALL

The multiscale entropy (MSE) has been widely and successfully used in analyzing the complexity of physiologic time series. In this thesis, we re-interpret the averaging process in MSE as filtering a time series by a filter of a piecewise constant type. From this viewpoint, we introduce the {\it filter-based multiscale entropy} (FME) which filters a time series by filters to generate its multiple frequency components and then compute the {\it blockwise} entropy of the resulting components. By choosing filters adapted to the feature of a given time series, FME is able to better capture its multiscale information and to provide …

Development Of An Integrated Process, Modeling And Simulation Platform For Performance-Based Design Of Low-Energy And High Ieq Buildings, Yixing Chen

Dissertations - ALL

The objective of this study was to develop a "Virtual Design Studio (VDS)": a software platform for integrated, coordinated and optimized design of green building systems with low energy consumption, high indoor environmental quality (IEQ), and high level of sustainability. The VDS is intended to assist collaborating architects, engineers and project management team members throughout from the early phases to the detailed building design stages. It can be used to plan design tasks and workflow, and evaluate the potential impacts of various green building strategies on the building performance by using the state of the art simulation tools as well …

First Report Of Ndm-1-Producing Acinetobacter Baumannii In East Africa, Gunturu Revathi, Kristopher L. Siu, Po-Liang Lu, Li-Yueh Huang

Pathology, East Africa

Background: The emergence of carbapenem-resistant Acinetobacter baumannii (CRAB) was observed in a Kenyan hospital from 2009 to 2010. Further investigation of the dissemination of CRAB isolates and the molecular characterization of associated resistance determinants were therefore performed.

Methods: Antibiotic susceptibilities were determined by broth microdilution and Etest. Metallo-blactamases were detected by Etest method. Clonal relationships were studied by pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST). b-Lactam and aminoglycoside resistance determinants and the clonal relatedness to widespread European clones were studied by PCR and sequencing.

Results: Sixteen CRAB isolates from 10 patients possessed six pulsotypes; half of the isolates …

3-D Oropharyngeal Airway Analysis Of Different Antero-Posterior And Vertical Craniofacial Skeletal Patterns In Children And Adolescents, Chi Kim Huynh

UNLV Theses, Dissertations, Professional Papers, and Capstones

Sleep apnea disorder has recently emerged as a significant public health issue. While the prevalence of obesity is on the rise among children, it is one of the main risk factors associated with apnea. Upper airway dimensions and morphology seem to be major components of obstructive sleep apnea (OSA) and can be affected by different craniofacial patterns. The purpose of this retrospective, cross-sectional pilot study is to correlate gender, Body Mass Index, risk for OSA, neck circumference, and 3-D oropharyngeal airway dimensions in children and adolescents with different antero-posterior (AP) and vertical craniofacial skeletal patterns. A total of 86 pre-orthodontic …

New Mouthguard Design With Intermediate Nickel-Titanium And Foam Layer, Freddie Martinez

UNLV Theses, Dissertations, Professional Papers, and Capstones

Mouthguards help prevent orofacial injuries in many physical activities, commonly to the maxillary incisors. Mouthguards have many different properties which can be idealized. One property involves the amount of impact force the mouthguard can dissipate, commonly referred to as shock absorption. The aim of this study was to improve shock absorption capabilities beyond the protection that a mouthguard made of Ethylene Vinyl Acetate (EVA) can offer. A Nickel-Titanium (NiTi) and/or foam intermediate layer was placed between EVA. Seven configurations were fabricated at 3 different thicknesses. The configurations consisted of an intermediate layer composed of NiTi, foam, or NiTi/foam. The NiTi …

Hospital To School Transitions For Children: A Multiple Case Study Of Family Experiences, Rhiannon Yvonne Rager

UNLV Theses, Dissertations, Professional Papers, and Capstones

Children with emotional and behavioral disorders often present with significant impairments in social, emotional, and academic functioning. For those with the most severe impairments, hospitalization is an essential intervention. Prior to releasing children from the hospital, a discharge plan is typically created in order to facilitate successful transition from the hospital setting. Ideally, these plans set the stage for post-hospitalization supports by outlining a course of action for caregivers and coordinating services, with the ultimate goal of helping children maintain gains and reducing recidivism. Research suggests that current practices do not incorporate educational needs and supports into discharge plans. Although …

Wider Professional Experiences: The Value Of Pre-Service Teachers Learning In Wider Contexts, Peta Salter, Angela Hill, Fiona Navin, Cecily Knight

Australian Journal of Teacher Education

Within teacher education, professional standards across Australian jurisdictions consistently note the importance of developing the ability to “engage professionally” with a community (QCT, 2009; AITSL, 2012). Paralleling this however, are calls for more ‘classroom’ time (Australian Government, 2012). This paper explores opportunities to provide students with experiences outside the classroom; both the space made available in professional standards and how this space it taken up in teacher education programs. It will be argued that wider professional experiences are crucial in developing future teachers who are cognisant of and engaged with the complexities of the communities in which they teach.

High Hiv Incidence Among Persons Who Inject Drugs In Pakistan: Greater Risk With Needle Sharing And Injecting Frequently Among The Homeless., Rab Nawaz Samo, Arshad Altaf, Ajmal Agha, Omrana Pasha, Shafquat Rozi, Ashraf Memon, Saleem Azam, Meridith Blevins, Sten Vermund, Sharaf Ali Shah

Community Health Sciences

BACKGROUND:

The incidence of HIV among persons who inject drugs (PWIDU) has fallen in many nations, likely due to successes of clean needle/syringe exchange and substance abuse treatment and service programs. However in Pakistan, prevalence rates for PWID have risen dramatically. In several cities, prevalence exceeded 20% by 2009 compared to a 2003 baseline of just 0.5%. However, no cohort study of PWID has ever been conducted.

METHODS:

We enrolled a cohort of 636 HIV seronegative PWID registered with three drop-in centers that focus on risk reduction and basic social services in Karachi. Recruitment began in 2009 (March to June) …

Little Rituals, Bruce Johnson

UNLV Theses, Dissertations, Professional Papers, and Capstones

The following stories represent what I have accomplished in my three-and-a-half years in the Master of Fine Arts-Fiction program at University of Nevada, Las Vegas. They are all realist stories, most of them with a minimalist leaning. Together for the first time, they are more than a mere sum of the writing I've done in my time in the MFA program. They are the stories that, when I read them now, still occasionally delight me. Most of the stories that I wrote as an MFA candidate do not pass this test, and thus are not included here. If there is …

Vitamin D Status And Bone Mineral Density In Triathletes, Michelle Konstantarakis

UNLV Theses, Dissertations, Professional Papers, and Capstones

Purpose: The purposes of this study were first to assess the vitamin D status and bone mineral density (BMD) in male and triathletes (N=15), female triathletes (N=13), and non-athletes (N=14), and to determine if circulating vitamin D was correlated with body composition, BMD, dietary calcium and vitamin D intake in triathletes. The second purpose was to determine if triathletes have a different level of serum vitamin D, body composition, BMD, dietary calcium and vitamin D intake then non-athletes. The third purpose was to determine if BMD was correlated with body composition (body mass, percent body fat, BMI) in triathletes.

Methods: …

Better A Broader Diagnosis Than A Misdiagnosis: The Study Of A Neoplastic Condition In A Male Individual Who Died In Early 20th Century (Coimbra, Portugal), Carina Marques, Ana Luisa Santos, Eugénia Cunha

Anthropology Faculty Publications

The paleopathological record of neoplastic conditions in the past is considered scarce. The detection of tumours in ancient populations is hindered by the quality and quantity of signs visible on the skeleton, the methodological approach, the preservation of remains, and by difficulties of differential diagnosis. The aims of this paper are to report the extensive and multiple osteolytic lesions observed in an adult male and to discuss the possible etiology of these lesions. The individual, a 71-year-old male who died in 1932, is part of the Coimbra Identified Skeletal Collection. Records indicate that he died of a ‘heart lesion’. The …

Virginia Cle Sources: Important Practitioner Tools For Forty Years, Gail F. Zwirner

Law Faculty Publications

Observing the 40th anniversary of the Virginia Law Foundation, Ms. Zwirner highlights some of the foundation's continuing legal education publications of frequent value to practitioners.

This article focuses primarily on the deskbook sources that are the go-to materials in many subject areas for Virginia practitioners. The publisher offers all these sources on CD, USB, or downloads. The titles include the forms that practitioners savor as good starting points for their clients’ needs. These forms account for many reference desk success stories for practitioners who rely on Gouldman’s Virginia Forms and are disappointed when that group does not provide the specificity …

A Phenomenological Study Of The Factors Leading Low Socioeconomic Status Urban Students To Enroll In A University, Luke D. Schultheis

Department of Educational Administration: Dissertations, Theses, and Student Research

Low socioeconomic urban students do not attend universities at a rate proportional to other populations. This perpetuates a cycle of recurrence and diminished potential benefits associated with degree attainment. The commonly ascribed Theory of Student Choice (Hossler, Braxton & Coopersmith, 1989) does not apply to this population.

The purpose of this study was to identify factors which motivated low socioeconomic urban students to enroll in a university. Three interviews, each up to two hours, were conducted with students of this population. The participants identified why they chose to enroll in a university.

The participants were not motivated to attend a …

Ultrasonic Propagation And Scattering In Pearlitic Steel, Hualong Du

Department of Engineering Mechanics: Dissertations, Theses, and Student Research

Diffuse ultrasonic backscatter measurements have been especially useful for extracting microstructural information and for improving flaw detection in materials. In this dissertation, this approach is applied to inspection of railroad wheels. To improve the wear resistance, the tread surfaces of railroad wheels are usually quenched with water to increase the hardness. The pearlite phase of iron, characterized by alternating ferrite and cementite phases, is created by the quenching and the lamellar spacing within grains increases progressively from the quenched tread surface to deeper locations due to the non-uniform cooling rate. The quench depth is an important parameter governing the wheel …

Experimental Study On The Effect Of Air Flow On Soap Bubble Formation, John M. Davidson

Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research

Soap bubbles are a common interfacial fluid dynamics phenomenon having applications such as buoyant hollow spherical fillers and flow visualization of large scale airflows. In contrast to the dynamics of liquid drops in gas and gas bubbles in liquid, the dynamics of soap bubbles has not been well documented, possibly because soap bubbles have gas-liquid-gas interfaces. Having the thin-liquid-film interface seems to alter the characteristics of the bubble/drop creation process. Thus, the main objective of this study is to experimentally examine how airflow develops and interacts with the soap liquid film as the film stretches and finally collapses to pinch-off. …

Permaculture, Roslynn Brain, Blake Thomas

Environment and Society Faculty Publications

No abstract provided.

The Costs Of Ambient Cultural Disharmony: Indirect Intercultural Conflicts In Social Environment Undermine Creativity, Roy Y. J. Chua

Research Collection Lee Kong Chian School Of Business

Intercultural tensions and conflicts are inevitable in the global workplace. This paper introduces the concept of ambient cultural disharmony—indirect experience of intercultural tensions and conflicts in individuals' immediate social environment—and demonstrates how it undermines creative thinking in tasks that draw on knowledge from multiple cultures. Three studies (a network survey and two experiments) found that ambient cultural disharmony decreases individuals' effectiveness at connecting ideas from disparate cultures. Beliefs that ideas from different cultures are incompatible mediate the relationship between ambient cultural disharmony and creativity. Alternative mechanisms such as negative affect and cognitive disruption were not viable mediators. Although ambient cultural …

In Search Of The Impactful And The Interesting: Swings Of The Pendulum?, Timothy Adrian Robert Clark, Steven W. Floyd, Mike Wright

Research Collection Lee Kong Chian School Of Business

In this article we reflect on our time as editors of JMS during the period 2003-09. First we describe the context as we saw it on assuming editorship of the Journal and the actions that we took to improve the quality of scholarship published in the journal in order to set JMS on the trajectory to become a world-leading Journal. We articulate our view of what quality means in this context and observe that we eschewed the USA-Europe divide. Rather, to be publishable, all papers had to meet the highest standards relative to their epistemological assumptions. Finally, we address two …

Integrated Soil Fertility Management: Aggregate Carbon And Nitrogen Stabilization In Differently Textured Tropical Soils, R. M. Gentile, B. Vanlauwe, J. Six

All Peer-Reviewed Publications

Soil organic matter is important to improve and sustain soil fertility in tropical agroecosystems. The combined use of organic residue and fertilizer inputs is advocated for its positive effects on short-term nutrient supply, but the effect of the integrated use on long-term stabilization of soil organic C and N is still unclear. We conducted a 1.5-y soil incubation experiment with maize (Zea mays) residue and urea fertilizer to examine the stabilization of C and N in four Sub-Saharan African soils differing in texture (sand, sandy loam, clay loam, and clay). The inputs were enriched with 13C and 15N in a …

Sowing Seeds For The Future To Honor Tigua History And Tradition: Diabetes Prevention And Management At Ysleta Del Sur Pueblo, Sean Patrick Bruna-Lewis

Anthropology ETDs

This dissertation examines type 2 diabetes management and prevention at Ysleta del Sur Pueblo, a federally recognized American Indian tribe in El Paso, Texas. Type 2 diabetes is a serious and growing concern at the Pueblo, and while the incidence is not as high as it is in other tribes in the United States, it is still much higher than the national average. Despite excellent biomedical research that shows how individuals can prevent diabetes, and countless translated diabetes prevention programs targeted to individuals and families to prevent the disease, the incidence of diabetes continues to rise. This dissertation argues that …

Patient Risk And Data Standards In Healthcare Supply Chain, Paiman Farrokhvar

Graduate Theses and Dissertations

Patient safety is one of the most important health care challenges. It is a big concern since 1 in every 10 patients around the world is affected by healthcare errors. The focus of this study is given to preventable adverse events that caused by the errors or system flaw that could have been avoided. In this study, simulation models are developed using Arena to evaluate the impact of GS1 data standards on patient risk in healthcare supply chain. The focus was given to the provider hospital supply chain operations where inventory discrepancy and performance deficiencies in recall, return, and outdate …