Digital Commons Network^™

Micro Channel Cooler Performance Improvement By Insonation, Peter Webb Higgins

Electronic Theses and Dissertations

The motivation for this work is the need to remove waste heat from laser diodes and high speed transistors in processes which are exponentially increasing past 1 kW/cm2 as anticipated by Moore's Law. The hypothesis guiding the work is that ultrasonic insonation of micro coolers employed to dissipate these heat loads can improve heat removal. It is thought that the mechanism promoting the benefit is enhancement of the ability of the coolant to remove latent heat in two-phase operation by managing entrained bubble size near the cooler's exit so as to forestall flow reduction or blockage caused by large bubbles, …

Feasting On Four Wheels, Mariel Patricia Rodriguez-Mcgill

Electronic Theses and Dissertations

The documentary film Feasting On Four Wheels explores the new wave of "gourmet" food trucks on the streets of Denver, Colorado. What started as a bigger movement across the country made its way to the Mile High city in 2010 and snowballed to the food-loving community portrayed during the summer of 2011. Interviews with food truck owners, a food truck fabricator and a blogger for DenverStreetFood.com, explore the nature of the movement and how its existence creates a feel of community and culture within the city. The evolution of street food history and the influence of new technology are also …

Estradiol Modulation Of Calcium Dynamics In Pituitary Mmq Lactotroph Cells, Monika Pauckova

Electronic Theses and Dissertations

Pituitary lactotrophs are excitable cells that exhibit spontaneous, calcium influx triggering prolactin (PRL) secretion to stimulate lactation. Lactotrophs express estrogen receptors (ER) and are a well established estrogen-responsive cell system. 17B-estradiol (E2) is known to directly affect lactotrophs by increasing PRL transcription and biosynthesis, intracellular Ca2+ concentration ([Ca2+]i) and PRL secretion. This study demonstrates that the MMQ clonal cell line, isolated from the 7315a rat pituitary tumor, is a model lactotroph cell line that is E2-responsive. Spontaneous and evoked Ca2+ transients were especially sensitive to L-type channel block, but not affected by block of omega-conotoxin-GVIA-sensitive CaV channels or TTX-sensitive voltage-gated …

Pomc Is Expressed In Pancreatic Alpha Cells, Samia M.M Farrara

Electronic Theses and Dissertations

Pancreatic alpha cells secrete glucagon to increase blood glucose during hypoglycemia. Currently, the mechanisms that initiate glucagon secretion are not well understood. This study investigates the expression of pro-opiomelanocortin (POMC), a potent regulator of glucagon secretion, in alpha cells.

Insulin tolerance tests in mice lacking the POMC gene showed a correlation between alpha MSH, and glucagon secretion from alpha cells (Hochgeschwender et al. 2003). Results from a previous study showed that the POMC product, melanocortin á-MSH, acts through a melanocortin receptor 4 (MC4R) at the surface of the alpha cells to trigger the release of glucagon [Angleson, unpublished data, Lumsden …

Nesting In The Clouds: Evaluating And Predicting Sea Turtle Nesting Beach Parameters From Lidar Data, Kristina H. Yamamoto

Electronic Theses and Dissertations

Humans' desire for knowledge regarding animal species and their interactions with the natural world have spurred centuries of studies. The relatively new development of remote sensing systems using satellite or aircraft-borne sensors has opened up a wide field of research, which unfortunately largely remains dependent on coarse-scale image spatial resolution, particularly for habitat modeling. For habitat-specialized species, such data may not be sufficient to successfully capture the nuances of their preferred areas. Of particular concern are those species for which topographic feature attributes are a main limiting factor for habitat use. Coarse spatial resolution data can smooth over details that …

Star Lake, Arda Collins

Electronic Theses and Dissertations

Star Lake is a collection of poems.

Matching Educational Interventions To Behavioral Phenotypes: Spatial Temporal Math As A Mathematics Achievement Intervention For Students With Autism Spectrum Disorders, Erin Slason Grell

Electronic Theses and Dissertations

Autism Spectrum Disorders (ASDs), a rapidly growing group of neurodevelopmental disorders, affect nearly all aspects of development. The knowledge base of ASDs has increased significantly over the past half century due to translational research models (Rutter, 1999). Basic science and applied clinical work have informed research in a bi-directional manner. Through these models, much is now known about the language, behavioral, and cognitive difficulties associated with ASDs. However, autism research would benefit from further delineation of the differences between ASD types through the development of behavioral phenotypes. Behavioral phenotypes are expressions of particular aspects of disorders that may aid in …

Morphogenetic And Developmental Functions Of The Aspergillus Nidulans Homologues Of The Yeast Bud Site Selection Proteins Bud4 And Axl2, Haoyu Si, William R. Rittenour, Kaimei Xu, Mark Nicksarlian, Ana M. Calvo, Steven D. Harris

Department of Plant Pathology: Faculty Publications

The yeast bud site selection system represents a paradigm for understanding how fungal cells regulate the formation of a polarity axis. In Saccharomyces cerevisiae, Bud4 and Axl2 are components of the axial bud site marker. To address the possibility that these proteins regulate cellular morphogenesis in filamentous fungi, we have characterized homologues of Bud4 and Axl2 in Aspergillus nidulans. Our results show that Bud4 is involved in septum formation in both hyphae and developing conidiophores. Whereas Axl2 appears to have no obvious role in hyphal growth, it is required for the regulation of phialide morphogenesis during conidiation. In …

Efficacy Evaluation Of Foliar Fungicide Application Timing In Field Corn In Central Nebraska, 2011, C. M. Schleicher, T. A. Jackson

Department of Plant Pathology: Faculty Publications

A foliar fungicide efficacy timing trial was conducted at the University of Nebraska-Lincoln South Central Agricultural Laboratory near Clay Center, NE. DeKalb corn hybrid DKC 62-54, rating of “good” (6 out of 9) for gray leaf spot (GLS) and “excellent” (2 out of 9) for common rust (CR), was planted on 3 May in 30 in. rows with a target population of 32,000 plants/A. The trial area was disked with a crop history of seven years of continuous corn. On 9 May before plant emergence, a herbicide program of Roundup (1 pt/A), Verdict (16 fl oz/A) and Atrazine (1 lb/A) …

Tgd1, -2, And -3 Proteins Involved In Lipid Trafficking Form Atp-Binding Cassette (Abc) Transporter With Multiple Substrate-Binding Proteins, Rebecca Roston, Jinpeng Gao, Monika W. Murcha, James Whelan, Christoph Benning

Department of Biochemistry: Faculty Publications

Background: ATP-binding cassette transporters exist in all life forms and usually require only one substrate-binding domain.

Results: The TRIGALACTOSYLDIACYLGLYCEROL (TGD) complex contains 8–12 substrate-binding proteins.

Conclusion: Multiple substrate-binding proteins may be needed by the TGD complex to enhance its putative lipid transport activity.

Significance: Knowing the subunit stoichiometry of the TGD complex furthers understanding of lipid transfer between chloroplast membranes.

Effects Of Levels Of Physical Activity On Physical Self-Concept And Social Physique Anxiety Among College Students, Heesu Lee

Theses Digitization Project

Physical activity plays a crucial role in contributing to psychological stability regarding physical concept. However, the evidence for showing the association between levels of physical activity and the psychological state has not been closed to focus on college students. This study was to examine the importance of physical activity by investigating the effects of different levels of physical activity on physical self-concept and social physique anxiety among college students. This study used a secondary data set approved by Institutional Review Board, and obtained a written permission and approval for data use. The data set used for this study was not …

Creating A Classroom Environment That Nurtures Motivation In High School Students, Karen Ann Wirth

Theses Digitization Project

The purpose of this project was to provide high school teachers with training to increase their understanding of how research-based information can help them create classroom environments that nurture motivation in adolescents. Participating teachers completed a pre-test questionnaire to assess goal orientation, teacher efficacy, theory of intelligence, perceptions of the importance of knowledge regarding adolescent development, and autonomy-supportive attitudes and behaviors. Participants included 10 high school teachers from a suburban high school in Southern California.

Does Internalized Homonegativity Cause Depression In Lesbian, Gay, And Bisexual Individuals?, Guadalupe Vasquez Garfias

Theses Digitization Project

Past studies indicate that lesbian, gay, bisexuals, or transgendered (LGBT) are at an elevated risk of physical, psychological and mental health isuues. This paper seeks to investigate if internalized homonegativity is correlated to depression. It discusses the bio-psycho-social factors that may lead to internalized homonegativity and how internalized homonegativity is formed.

Role Of The Ventral Tegmental Area And Nucleus Accumbens For The One-Trial Behavioral Sensitization Of The Preweanling Rat, Alexandria Grace Pothier

Theses Digitization Project

Behavioral sensitization is defined as an increase in behavioral responding that occurs after repeated administration of a psychostimulant. Behavioral sensitization is an important component of the addiction process that is mediated by different brain regions. In this thesis, lidocaine was used to determine those brain areas mediating one-trial behavioral sensitization in preweanling rats.

The Impact Wraparound Services Have On Riverside County Dependents Who Chronically Run Away, Angela Young Thornhill

Theses Digitization Project

The purpose of this study was to determine the impact wraparound services has on Riverside County dependents that have a history of running away. The wraparound process is characterized by planning and problem solving, respect for values, culture, and expertise. It includes collaboration and consists of family driven and youth guided goal structure and decisions. It focuses on individualization, opportunities for choice, evaluating strategies, and recognition. This research was conducted, studying six closed cases provided by Olive Crest, a non-profit agency. The results from this study can contribute to social work practice by enhancing social workers' knowledge and providing new …

FaçAde: The Utilization Of Cultural Agents By Non-State Actors To Mobilize Target Populations, Areej Omar Qasqas

Theses Digitization Project

This thesis introduces a theoretical model explaining non-state actors' use of cultural agents to mobilize target population. It is this thesis of this study that non-state actors utilize such cultural symbols to mobilize target population into a collective action movement. The methodology used in this thesis project is a case study approach. The case study focuses on Al Qaeda and its use of the cultural symbol of Palestine.

Orthogonal Polynomials, George Gevork Antashyan

Theses Digitization Project

This thesis will show work on Orthogonal Polynomials. In mathematics, the type of polynomials that are orthogonal to each other under inner product are called orthogonal polynomials. Jacobi polynomials, Laguerre polynomials, and Hermite polynomials are examples of classical orthogonal polynomials that was invented in the nineteenth century. The theory of rational approximations is one of the most important applications of orthogonal polynomials.

The University Of Texas Of The Permian Basin Graduate Studies Catalog 2012-2014, The University Of Texas Of The Permian Basin

Course Catalogs

No abstract provided.

Western Michigan University Graduate Catalog 2012-2013, Western Michigan University

Western Michigan University Course Catalogs (1904-present)

• General Information
• Colleges
• Course Descriptions (by College)

Direct Fitness Correlates And Thermal Consequences Of Facultative Aggregation In A Desert Lizard, Alison R. Davis Rabosky, Ammon Corl, Heather E.M. Liwanag, Yann Surget-Groba, Barry Sinervo

Biology Faculty Publications

Social aggregation is a common behavioral phenomenon thought to evolve through adaptive benefits to group living. Comparing fitness differences between aggregated and solitary individuals in nature – necessary to infer an evolutionary benefit to living in groups – has proven difficult because communally-living species tend to be obligately social and behaviorally complex. However, these differences and the mechanisms driving them are critical to understanding how solitary individuals transition to group living, as well as how and why nascent social systems change over time. Here we demonstrate that facultative aggregation in a reptile (the Desert Night Lizard, Xantusia vigilis) confers …

Nature Of Science: Curriculum Unit For The 6th Grade Classroom, Reagan Denise Boeset

Graduate Research Papers

Having a basic knowledge of scientific principles is no longer a luxury but, in today's complex world, a necessity. While Americans are holding their own, they are not even close to where they should be says Jon Miller of Michigan State University. Miller (2007) states in Science Daily that only 28% of American adults currently qualify as scientifically literate (as cited in Michigan State University, 2007, para 5). With the pace of technological advancement as well as our increased reliance on technology, there should be no debate over the need for scientific literacy. There is a need for our society …

Primerbank: A Pcr Primer Database For Quantitative Gene Expression Analysis, 2012 Update, Xiaowei Wang, Athanasia Spandidos, Huajun Wang, Brian Seed

Open Access Publications

No abstract provided.

Guide To The Congressman Hastings Keith Collection, 1911-2011, Orson Kingsley, Caitlin Gette-King

Archives & Special Collections Finding Aids

Biographical Sketch

Hastings Keith (1915-2005), a native of Brockton, Massachusetts, began his political career, in 1952 when he was elected to the Massachusetts State Senate. In 1958 he was elected to the United States Congress out of Massachusetts as a Republican representing Southeastern Massachusetts, which included all or parts of Plymouth, Bristol, Dukes, Nantucket, and Barnstable (Cape Cod) Counties. He would go on to serve seven terms in Congress, retiring after his term expired in 1972.

Keith was referred to as the “Cranberry Congressman” after he helped the Plymouth County cranberry industry recover from a national rumor in 1959 that …

Sensitivity Of Noncovalent Bonds To Intermolecular Separation: Hydrogen, Halogen, Chalcogen, And Pnicogen Bonds, Steve Scheiner

Chemistry and Biochemistry Faculty Publications

It is well known that noncovalent bonds are weakened when stretched from their equilibrium intermolecular separation. Quantum chemical calculations are used to examine and compare the sensitivity to stretches of hydrogen, halogen, chalcogen, and pnicogen bonds. NH3 was taken as the universal electron donor, paired with HOH and FH in H-bonds, as well as with FPH2, FSH, and FCl. Even though the binding energies span a wide range, stretching the intermolecular separation by 1 Å cuts this quantity by the same proportion, roughly in half, for each system. Taking the sum of van der Waals radii as an arbitrary cutoff, …

Bridgewater College Catalog, Session 2012-13, Bridgewater College

Bridgewater College Catalogs

No abstract provided.

Symposium: A Futuristic Look Through Ancient Lenses - Greece, Booth Library

Booth Library Programs

A photo gallery of the opening ceremony can be found on the SYMPOSIUM: A FUTURISTIC LOOK THROUGH ANCIENT LENSES - GREECE exhibit page.

Exhibit Dates

This exhibit was displayed at Booth Library October 3 - November 7, 2012

Analysis Of Periodontal Data Using Circular Statistics, Samopriyo Maitra, Thomas M. Braun

The University of Michigan Department of Biostatistics Working Paper Series

Periodontal disease is a common cause of tooth loss in adults. The severity of periodontal disease is usually quantified based upon the magnitudes of several tooth-level clinical parameters, the most common of which is clinical attachment level (CAL). Re- cent clinical studies have presented data on the distribution of periodontal disease in hopes of providing information for localized treatments that can reduce the prevalence of periodontal disease. However, these findings have been descriptive without consid- eration of statistical modeling for estimation and inference. To this end, we visualize the mouth as a circle and the teeth as points located on …

Anthocyanins And Flavonoids Of Vaccinium L., Zushang Su

Faculty Publications

Vaccinium L., comprising approximately 450 species primarily in the Northern Hemisphere, is a genus of shrubs or lianas in the family Ericaceae. The berries of many species are harvested for household consumption and commercial sale. The genus produces a wide range of compounds such as anthocyanins, flavonoids, chromones, coumarins, lignans, benzoic acids, iridoids, sterols, and triterpenoids, but is best known for the production of anthocyanins and flavonoids. Extracts and isolates of anthocyanins and flavonoids from Vaccinium fruits or leaves showed antioxidative, anti-inflammatory, antitumor, antiviral, vasoprotective, and antifungal activities. To data, more than 116 anthocyanins and flavonoids compounds have been isolated …

Phytochemical Constituents And Pharmacological Activities Of Eryngium L.(Apiaceae), Ping Wang, Zushang Su, Wei Yuan, Guangrui Deng, Shiyou Li

Faculty Publications

Eryngium L. is the largest and arguably the most taxonomically complex genus of the family Apiaceae. The genus has approximately 250 species throughout the world, with the center of diversity in South America. Some Eryngium species are cultivated as ornamental, vegetable, or medicinal crops for folk uses. With increasing chemical and biological investigations, Eryngium has shown its potential as pharmaceutical crops. This review focuses on phytochemistry and pharmacological activities of 127 compounds isolated and identified from 23 species of Eryngium, particularly nonessential oil compounds such as terpenoids, triterpenoid saponins, flavonoids, coumarins, polyacetylenes, and steroids. Eryngium extracts or isolates have shown …

Biomolecular Triconjugates Formed Between Gold, Protamine, And Nucleic Acid: Comparative Characterization On The Nanoscale, Robert Delong, Lisa Cillessen, Chris Reynolds, Adam Wanekaya, Tiffany Severs, Kartik Ghosh, Michael Fisher, Stephanie Barber, John Black, For Complete List Of Authors, See Publisher's Website.

College of Health and Human Services

DNA and RNA micro- and nanoparticles are increasingly being used for gene and siRNA drug delivery and a variety of other applications in bionanotechnology. On the nanoscale, these entities represent unique challenges from a physicochemical characterization perspective. Here, nucleic acid conjugates with protamine and gold nanoparticles (GNP) were characterized comparatively in the nanorange of concentration by UV/Vis NanoDrop spectroscopy, fluorimetry, and gel electrophoresis. Given the intense interest in splice-site switching oligomers (SSOs), we utilized a human tumor cell culture system (HeLa pLuc-705), in which SSO-directed splicing repair upregulates luciferase expression, in order to investigate bioactivity of the bionanoconjugates. Process parameters …