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The Inkwell, Armstrong Atlantic State University

The Inkwell

No abstract provided.

The George-Anne, Georgia Southern University

The George-Anne

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Dixon Sponsors Fulbright Scholar From Nigeria, August 19, 2009, Melanie Marquez

USF St. Petersburg Campus News and Press Releases

No abstract provided.

Variable Temperature Sensitivity Of Soil Organic Carbon In North American Forests, Cinzia Fissore, Christian P. Giardina, Christopher W. Swanston, Gary M. King, Randall K. Kolka

Faculty Publications

We investigated mean residence time (MRT) for soil organic carbon (SOC) sampled from paired hardwood and pine forests located along a 22 °C mean annual temperature (MAT) gradient in North America. We used acid hydrolysis fractionation, radiocarbon analyses, long-term laboratory incubations (525-d), and a three-pool model to describe the size and kinetics of the acid insoluble C (AIC), active and slow SOC fractions in soil. We found that active SOC was 2 ± 0.2% (mean ± SE) of total SOC, with an MRT of 33 ± 6 days that decreased strongly with increasing MAT. In contrast, MRT for slow SOC …

Coordination Of Ribosomal Protein And Ribosomal Rna Gene Expression In Response To Tor Signaling, Li Juan Xiao, Anne Grove

Faculty Publications

Cells grow in response to nutrients or growth factors, whose presence is detected and communicated by elaborate signaling pathways. Protein kinases play crucial roles in processes such as cell cycle progression and gene expression, and misregulation of such pathways has been correlated with various diseased states. Signals intended to promote cell growth converge on ribosome biogenesis, as the ability to produce cellular proteins is intimately tied to cell growth. Part of the response to growth signals is therefore the coordinate expression of genes encoding ribosomal RNA (rRNA) and ribosomal proteins (RP). A key player in regulating cell growth is the …

Volume 46, Number 52: August 19, 2009, University Of North Dakota

University Letter Archive

No abstract provided.

The Spinnaker Vol. 33 No. 3, University Of North Florida

Spinnaker

Student newspaper for the UNF community.

Resilient Traits Of Children Raised By A Parent With Borderline Personality Disorder, Meghan Andrea Albrecht

Theses, Dissertations, and Projects

Much of the literature on BPD and children of parents with BPD focuses on the psychopathological tendencies of this population, specifically the high risk these children have of going on to have BPD as well. The purpose of this study is to better understand how children with BPD adapt and are resilient in ways that exclude them from developing BPD. Three memoirs written by daughters of mothers with BPD were selected based on APA criteria met by each mother for BPD and the daughter's ability to articulate and reflect on her experience with her mother from childhood to adulthood. These …

The Experience Of Early Childhood Educators On Working With Children Who Have Attachment Impairments, Aethena R. Enzer-Mahler

Theses, Dissertations, and Projects

The following thesis investigates the work done by early childhood educators for attachment-impaired children in the classroom setting. The experiences shared by the educators in this open study may guide and inspire other helping professionals as they develop strategies for working with children for whom it is difficult to build relationships. This study employed open-ended interview questions to gather narrative data from twelve experts who work or have worked in preschool programs. Through direct interviews with the relevant professionals this study examined their efforts to service this challenging population. The overarching request made of participants was to "describe [a] case …

A Discontinuous Space : Postmodern Perspectives On Mental Health Discourse, Jennifer Leigh Harrison

Theses, Dissertations, and Projects

Language in the mental health field is rich with powerful metaphors, hyperbolic phrases, and linguistic symbols of historical, political and social meaning. At a closer look, a dominant discourse rooted deep in the grounds of empirical science is revealed. In this theoretical study, mental health language is deconstructed using Critical Discourse Analysis and other related theories to locate and analyze a dominant discourse, which opens space for a non-dominant discourse. Postmodern theory assumes that power, entangled with and interdependent on powerlessness, is an absolute phenomenon, and that power abuse can be revealed through the study of a discourse itself. The …

The Register, 2009-08-19, North Carolina Agricutural And Technical State University

NCAT Student Newspapers

No abstract provided.

The Development And Evaluation Of Low-Load Resistance Exercise With Blood Flow Restriction As A Countermeasure To Muscular Unloading, Summer B. Cook

Dissertations - ALL

Future space exploration must overcome both scientific and non-scientific obstacles. In accordance with the mission statement of the National Aeronautics Space Administration (NASA) (described in Chapter I), there were four major aims of these experiments. The first was to develop an exercise countermeasure to prevent muscle atrophy and weakness during simulated microgravity. The second and third aims were to determine the physiological adaptations in the knee extensor muscles and plantar flexor muscles following prolonged unloading in human subjects and to assess the effectiveness of the exercise countermeasure at preventing disuse atrophy. The final aim was to assess the relationship between …

Codependency Among Only Children As Predicted By Parenting Styles Practiced In Family-Of-Origin, Rachel Ellen Carfora

Theses, Dissertations, and Projects

This study sought to explore whether there is a relationship between only children and codependence as predicted by parenting style in family-of-origin. While past literature looks at codependency and perceived parenting styles, none focus specifically upon the experience of only-children who are thought to be more influenced by family-of-origin dynamics. Therefore, this study also intended to explore whether this relationship was significant enough to invite future research and investigation. Two fixed online questionnaires were completed by 51 participants who met inclusion criteria for being older than 21-years-of-age and an only child as defined by not having grown up with any …

Gathering Strengths And Resiliencies Of Low-Income Joint And Custodial Fathers Of Color : A Focus Group Study, Jamil Malik Davis

Theses, Dissertations, and Projects

The low-income father of color has been poorly represented in research studies relating to positive aspects of their involvement as fathers. Researchers have shown that studies that positively reflect the involvement of fathers are often overrepresented by samples of white fathers, while fathers of color are often labeled as absent, non-resident, peripheral, and deadbeat. Current research is beginning to explore the positive qualities of this marginalized group through studies that document the potential for fathers of color to serve as positive role models. This research gathered data from two focus groups (n=9 and n=5) of low-income African American and Hispanic …

Sorry Is Harder To Say When You Mean It : Clinicians' Perceptions Of Working With Juvenile Sexual Offenders On Taking Responsibility For Their Offenses, Sheri E. Kurtz

Theses, Dissertations, and Projects

This qualitative empirical study explores the perceptions of clinicians helping juvenile sexual offenders take responsibility for their offenses and how it enhances treatment outcomes. Twelve clinicians from a single, residential treatment program for male juvenile sexual offenders, ages 5-20, located in Northeastern United States, were interviewed and asked a series of questions about how they work with juvenile sexual offenders to take responsibility for the sexual offenses. Interview questions addressed a variety of issues relating to taking responsibility, including the influence of developmental and trauma histories, the disclosure process in different settings such as individual, group and family therapy, assessing …

Mechanisms Of Primary Axonal Damage In A Viral Model Of Multiple Sclerosis., Jayasri Das Sarma, Lawrence C. Kenyon, Susan T. Hingley, Kenneth S. Shindler

Department of Neurology Faculty Papers

Multiple sclerosis (MS) is an inflammatory demyelinating disease of the CNS. Recent studies have demonstrated that significant axonal injury also occurs in MS patients and correlates with neurological dysfunction, but it is not known whether this neuronal damage is a primary disease process, or occurs only secondary to demyelination. In the current studies, neurotropic strains of mouse hepatitis virus (MHV) that induce meningitis, encephalitis, and demyelination in the CNS, an animal model of MS, were used to evaluate mechanisms of axonal injury. The pathogenic properties of genetically engineered isogenic spike protein recombinant demyelinating and nondemyelinating strains of MHV were compared. …

Protein-Protein Interactions Of Tandem Affinity Purified Protein Kinases From Rice., Jai S. Rohila, Mei Chen, Shuo Chen, Johann Chen, Ronald L. Cerney, Christopher Dardick, Patrick Canlas, Hiroaki Fujii, Michael Gribskov, Siddhartha Kanrar, Lucas Knoflicek, Becky Stevenson, Mingtang Xie, Xia Xu, Xianwu Zheng, Jian-Kang Zhu, Pamela Ronald, Michael E. Fromm

Department of Biological Sciences Faculty Publications

Eighty-eight rice (Oryza sativa) cDNAs encoding rice leaf expressed protein kinases (PKs) were fused to a Tandem Affinity Purification tag (TAP-tag) and expressed in transgenic rice plants. The TAP-tagged PKs and interacting proteins were purified from the T1 progeny of the transgenic rice plants and identified by tandem mass spectrometry. Forty-five TAP-tagged PKs were recovered in this study and thirteen of these were found to interact with other rice proteins with a high probability score. In vivo phosphorylated sites were found for three of the PKs. A comparison of the TAP-tagged data from a combined analysis of 129 …

Computational Investigation Of Spin Traps Using Hybrid Solvation Models., Sai Sriharsha Manoj Konda

Electronic Theses and Dissertations

The cyclic nitrone 5,5-dimethyl-1-pyrroline-N-oxide (DMPO), and the lesser known linear phenyl-N-tert-butylnitrone (PBN) and its phosphorylated analogues have been used as spin traps for the investigation of free radicals in biological systems. Theoretical work on these molecules suggests that there are important differences in their properties between biological systems and isolated molecules in the gas phase, most likely resulting from intra and intermolecular hydrogen bonding. Most dielectric solvation models such as the polarized continuum model and COSMO are incapable of direct determination of solvent-spin trap chemical interactions. To examine this, hybrid models incorporating COSMO for long range effects and discrete solvent …

Studies Of The Preparations And Use Of Sol-Gel For Enzyme Immobilization And Analytical Applications., Suzana Hamdan

Electronic Theses and Dissertations

Much attention has been paid to immobilization of enzymes to improve enzyme stability and permit its reuse. Glucose oxidase entrapment in different kinds of silica sol-gel matrices was investigated. The enzyme showed stable activity for 11 uses in the sol-gel with tetramethyl orthosilicate (TMOS) as precursor, and at least 7 uses in the sol-gel induced electrochemically with tetraethyl orthosilicate (TEOS) as precursor. The sol-gel made with TEOS as precursor and HCl as catalyst showed stability in enzyme activity for 11 uses but the activity decreases on the same sol-gel when modified with silica nanoparticles. Factors such as optimal incubation time …

Mapping The Dorsal Skin Pigmentation Patterns Of Two Sympatric Populations Of Ambystomatid Salamanders, Ambystoma Opacum And A. Maculatum From Northeast Tennessee., Lok Raj Pokhrel

Electronic Theses and Dissertations

Because of growing concern of habitat fragmentation and its adverse effects on salamander communities in Appalachian region, sympatric populations of ambystomatid salamanders A. opacum and A. maculatum were studied in Northeast Tennessee to address a number of questions: i) the extent of sexual size dimorphism (SSD) in both species, ii) what traits influence the dorsal skin pigmentation and how, iii) whether gender differences in developmental stability occur, and iv) the extent of phenotypic variation within each species. The findings of this study revealed SSD in both species of salamanders. The most parsimonious statistical model was developed that explained the influence …

A Phylogenetic Analysis Of Species Relationships In Hemlocks, The Genus Tsuga (Pinaceae)., Jordan David Baker

Electronic Theses and Dissertations

The genus Tsuga is comprised of eight extant species found in North America and East Asia and four species represented by fossils from Europe and Japan. This study presents the first phylogenetic analysis based on structural, biochemical, and molecular sequence data. Characters obtained from published and unpublished literature were combined with new morphological characters from seeds, seedlings, and leaf cuticle material. Results from parsimony analyses of these characters differed from the published molecular based phylogeny. The non-molecular based phylogeny resolves two separate clades, a North American and an Asian, but did not group the western North American species, as in …

Burnout Potential Among Certified Athletic Trainers In Southwest Virginia And Northeast Tennessee As Measured By A Modified Version Of The Maslach Burnout Inventory., Dennis Cobler

Electronic Theses and Dissertations

The purpose of the study was to examine the burnout potential of certified athletic trainers (ATCs) working in the regions of Southwest Virginia and Northeast Tennessee. To determine burnout potential, the Maslach Burnout Inventory-Human Services Survey was used. Permission to modify the inventory was obtained from CPP, Inc. Participants for the research study were identified by searching the NATA membership directory, state athletic training websites and state licensure websites. Sixty-seven ATCs were emailed invitations to participate. Fifty surveys were completed. Of these 50, five were eliminated from statistical analysis. Therefore, 45 surveys were satisfactorily completed producing a usable return rate …

Improving Teacher Morale With Team Building., Nanci Autumne Edmonds

Electronic Theses and Dissertations

The purpose of this study is to build a conceptual framework to explain the influence of team building among elementary school teachers to improve teacher morale. This framework is intended as the foundation for a team building model to provide principals and teachers with a guide for implementing sound team-building activities into inservice training and throughout the school year. What are the best practices for implementing team building and how can these practices encourage teachers to have a more positive outlook on their profession? The variables include school environment, school climate, different principals, principal changes, years of teaching experience, teaching …

Amphibian Habitat Usage Of Two Restored Bogs In Shady Valley, Johnson County, Tennessee., Amy P. Lucas

Electronic Theses and Dissertations

Adjacent terrestrial habitat surrounding wetlands are critical for the survival and success of many species that use them. The primary purpose of this study was to determine amphibian movement from adjacent habitats into Orchard Bog, a restored bog located in Shady Valley, Johnson County, Tennessee. In addition, a secondary bog, Quarry Bog, was also studied determining baseline presence/absence data

A total of 16 species from six families were observed throughout the study sites. Seven species of anurans, Bufonidae, Hylidae, and Ranidae and nine species of caudates in the families Plethodontidae, Ambystomatidae and Salamandridae were identified. Fourteen of the 16 species …

Novel Strategy For The Synthesis Of Allenes., Mark-Henry Mbahmi Kamga

Electronic Theses and Dissertations

Allenes are very important chemical reagents in organic synthesis. Due to their high reactivity, they have been extensively used to carry out a variety of unique and effective chemical transformations including but not limited to ionic and free radical additions and transition metal catalyzed cyclizations. As the chemistry of this group of compounds is explored further and their applications expanded there is a need to develop alternative and cost effective methods for their synthesis. Our approach involves the synthesis of allenes from oxa-bicyclo-alkan-2-ones by methyllithium induced Eschenmoser fragmentation of the bicyclotosylhydrazone derivatives.

Studies Of Capsaicinoids Contents Of Locally Grown And Commercial Chilies Using Reversed-Phase High Performance Liquid Chromatography., John Kailemia Muchena

Electronic Theses and Dissertations

Capsaicinoids are a class of compounds responsible for the "heat" of hot peppers. Capsaicin and dihydrocapsaicin have the highest burning effect. The aim of this work is to separate and quantify the two major capsaicinoids in fruits harvested at different stages of development and at different seasons. Simple and rapid HPLC method involves 73:27% methanol water mobile phase with C₁₈ stationary phase and UV-Vis detector set at 210 nm. The method showed good reproducibility with 1.74% - 4.72% relative standard deviations, a linear response within 0.65–45.5 and 0.25-17.5 μg/mL for capsaicin and dihydrocapsaicin, respectively. The method achieved average recovery …

Qualitative Models Of Neural Activity And The Carleman Embedding Technique., Azamed Yehuala Gezahagne

Electronic Theses and Dissertations

The two variable Fitzhugh Nagumo model behaves qualitatively like the four variable Hodgkin-Huxley space clamped system and is more mathematically tractable than the Hodgkin Huxley model, thus allowing the action potential and other properties of the Hodgkin Huxley system to be more readily be visualized. In this thesis, it is shown that the Carleman Embedding Technique can be applied to both the Fitzhugh Nagumo model and to Van der Pol's model of nonlinear oscillation, which are both finite nonlinear systems of differential equations. The Carleman technique can thus be used to obtain approximate solutions of the Fitzhugh Nagumo model and …

Studies Of Titanium Dioxide Nanoparticles And Surfactants Effects, Singly And In Combinations, On Luminescence Intensity Of Some Aromatic Compounds., Charles Anim Odame-Ankrah

Electronic Theses and Dissertations

Luminescence techniques are sensitive, selective, and widely used in analysis. Luminescence intensity is attenuated by quenchers. This research has focused on the use of surfactants such as CTAB, SDS, and TX-100 singly or together with TiO₂ nanoparticles to evaluate their individual and combined effects on some fluorescent aromatic compounds such as pyrene, fluoranthene, anthracene, phenanthrene, and carbazole. Rutile phase TiO₂ was synthesized using the low temperature sol-gel method. Carbazole and phenanthrene were severely quenched by all surfactants singly or in combination with TiO₂. Anthracene and fluoranthene showed some enhancement in their luminescence intensity. The most dramatic …

Reversed-Phase Hplc Determination Of Alliin In Diverse Varieties Of Fresh Garlic And Commercial Garlic Products., Aaron Kwaku Apawu

Electronic Theses and Dissertations

Alliin is a predominant flavor precursor in garlic cloves. It interacts with the enzyme alliinase when garlic cloves are crushed, cut, or chewed to produce allicin, an unstable thiosulfinate that is the main biologically active component of fresh crushed garlic. Biological functions and health benefits of garlic include reduction of cancer risk in humans, improving immune system, and anti-microbial, anti-oxidant, and anti-hypertensive activities. The quality of fresh garlic and garlic products is usually related to its alliin content and allicin release potential. This research presents a simple, rapid, and precise HPLC method for alliin determination. It involves the use of …

Differential Expression Of Genes During Diapause In The Flesh Fly, Sarcophaga Crassipalpis., Puja Karki

Electronic Theses and Dissertations

The objective of this study was to identify genes that are differentially regulated during diapause when compared with nondiapausing pupae in Sarcophaga crassipalpis. The results of a Suppression Subtractive Hybridization procedure was used to indentify genes that are differentially regulated in both diapause and nondiapausing states while suppressing genes that are common to both states. Randomly picked colonies from both subtractive libraries were isolated and the inserts sequenced. The sequences were analyzed using the bioinformatics tools NCBI, BlastX, Clustal W, etc. Out of 384 clones, 59 genes were found to be upregulated during diapause and 37 genes were found …