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Articles 3301 - 3330 of 3744
Full-Text Articles in Entire DC Network
Uv Irradiation On Bacteriophage Survival, Sherri Tomlinson
Uv Irradiation On Bacteriophage Survival, Sherri Tomlinson
Honors Theses
Bacteriophage is of great interest because of its potential role in controlling bacterial populations in our environment. UV exposure has a damaging effect on the virus decreasing lytic ability. This study set out to test the effects of UV radiation, in amounts comparable to local environmental conditions, on bacteriophage T2. The virus was placed in a Petri dish in a PBS medium and exposed to UV radiation at 365nm. The irradiated virus was allowed to infect E. coli and plated. The plaques formed were counted to determine lytic activity of the virus with respect to UV irradiation. The results showed …
The Quest Of A Lifetime : How The First Year Of University Of Richmond Life Affects Student's Spirituality And Religiosity, Melanie Martin
The Quest Of A Lifetime : How The First Year Of University Of Richmond Life Affects Student's Spirituality And Religiosity, Melanie Martin
Honors Theses
First year university students’ religious and spiritual beliefs and attitudes were investigated over the course of the year. The survey used was largely made up of a subset of questions from the CSBV survey created by HERI and adapted and administered via Survey Monkey software to 153 first year students in the Fall Semester and 74 first year students in the Spring Semester at the University of Richmond. Students pray less and self-reflect more, are more likely to agree that the universe arose by chance, less likely to believe that ‘only religion can truly explain existence’, less likely to find …
A Criterion For Identifying Stressors In Non-Linear Equations Using Gröbner Bases, Elisabeth Marie Palchak
A Criterion For Identifying Stressors In Non-Linear Equations Using Gröbner Bases, Elisabeth Marie Palchak
Honors Theses
No abstract provided.
The Northwest Forest Plan: Up To Our Neck In Owls?, Ashley N. Horvat
The Northwest Forest Plan: Up To Our Neck In Owls?, Ashley N. Horvat
Honors Theses
Traversing across the vast Pacific Northwest with the Northern spotted owl (Strix occidentalis caurina), one would experience a dynamic landscape that ranged from areas shrouded with ancient forests, mountains dotted with dense young forests, large swathes of empty habitat from clearcuts, and corridors filled with canopies and a plethora of life. The once vibrant forests that blanketed the Pacific Northwest in an abundance of life and sheltered these rare owls in their canopies were threatened by the removal of these primordial giants in these forests. The wild salmon that journey in record numbers through the cold rivers and …
A River Palimpsest: The Interdisciplinary Value Of Water, Katie Norris
A River Palimpsest: The Interdisciplinary Value Of Water, Katie Norris
Honors Theses
Water is an invaluable natural resource to both human and ecological communities, and is currently threatened by global and local pollution and availability. Hypoxia, climate change and local issues all strain river systems to beyond repair. In light of this, communities and scientists must come together to understand the quality and value of natural resources, such as the Great Miami River, in order to inform policy, management and societal perceptions. The overall purpose of this thesis research project is to utilize interdisciplinary areas together to create a valuable, spatially lateral and chronological baseline picture of the Great Miami River. The …
Stuck Together: Searching For A Model Of Peritoneal Adhesions Using The August Rat, James W. Bathe
Stuck Together: Searching For A Model Of Peritoneal Adhesions Using The August Rat, James W. Bathe
Honors Theses
Fibrous adhesions, a by-product of the healing process, often appear post-surgically as a result of peritonitis related to the surgery. These adhesions can be either primarily "scar tissue" or excess "healthy tissue," and are the leading cause of intestinal obstruction in modern medicine. Shockingly, adhesions occur in up to 96% of patients undergoing intra-abdominal surgery. Adhesions can lead to multiple complications other than obstructions such as inadvertent enterotomy at the time of adhesiolysis, chronic pain, and female infertility. Additional complications arise from the adhesions preventing the free movement of organs and causing strangulations. The causes of the peritonitis, and therefore …
Statistical Analysis Of Precipitation And Inundation Effects On Trees In Different Flooding Regimes., Lucy Katherine Weber
Statistical Analysis Of Precipitation And Inundation Effects On Trees In Different Flooding Regimes., Lucy Katherine Weber
Honors Theses
Although wetland trees show a relationship between growth and precipitation that can be used to reconstruct past climates they also show a relationship between growth and inundation which may be less helpful to climate modelers. Although inundation is directly related to precipitation in open stream channels, this may not be the case in impounded streams or in lake-side swamps or off-channel wetlands. In order to distinguish precipitation and inundation effects on growth, the effects of fluctuations in precipitation and inundation on bald cypress located at different elevations along lake side swamp were examined. Upland trees were more influenced by variation …
The Impacts Of Land Use And Development Patterns On Water Quality Of The Belgrade Lakes, Ian M. Mccullough
The Impacts Of Land Use And Development Patterns On Water Quality Of The Belgrade Lakes, Ian M. Mccullough
Honors Theses
The purpose of this study was to assess the impacts of patterns of land use and development on water quality in the Belgrade Lakes on a regional scale. Regional research and cooperation could identify key areas in the watershed where development or changing land use could have the greatest negative influences on lake water quality. Past work has centered on water chemistry, nutrient dynamics, development and economic factors but there has been no comprehensive analysis of land use and development history for the entire Belgrade Lakes Region. The Belgrade Lakes are a chain of 7 lakes in central Maine connected …
Family Ties: Mainstream Environmentalists' Understanding Of Radical Environmentalism In America, Zachary W. Ezor
Family Ties: Mainstream Environmentalists' Understanding Of Radical Environmentalism In America, Zachary W. Ezor
Honors Theses
Environmentalism in the United States manifests itself in numerous ways. While American environmentalists have been grouped into broad camps over the years, observers have struggled to accurately classify the different components of the movement. Lately, environmentalists have been characterized based on their chosen modus operandi. Environmentalists who employ typical interest group tactics of policy advocacy and accept the notion of political compromise can generally be called 'mainstream.' Alternatively, those environmentalists who employ non-conventional strategies like direct action and take a no-compromise stance on environmental issues are typically described as 'radical.' Despite these distinctions, both radical and mainstream environmentalists are parts …
Assessing Genetic Differentiation Among Populations Of The Invasive Plant Impatiens Glandulifera In Maine, Jordan R. Schoonover
Assessing Genetic Differentiation Among Populations Of The Invasive Plant Impatiens Glandulifera In Maine, Jordan R. Schoonover
Honors Theses
The annual herbaceous plant Impatiens glandulifera Royle is native to the Himalayas and is a significant invasive species in Europe. In the past century, it was introduced to the United States, where it has become established in 12 states. This study evaluated genetic differentiation among four Maine populations, to address a theory that posits hybridization of distinct lineages as a trigger for invasiveness. Regions of microsatellite repeats were evaluated at two polymorphic loci for 41 plants sampled from the four populations. A striking finding was that the observed heterozygosity was substantially higher than the heterozygosity expected from random combination of …
Migration, Food And Cultural Production Across Changing Afro-Ecuadorian Geographies, Amelia J. Swinton
Migration, Food And Cultural Production Across Changing Afro-Ecuadorian Geographies, Amelia J. Swinton
Honors Theses
The human geography of Ecuador is changing. Urban Afro-Ecuadorians now outnumber those living in the two rural regions that have been the ancestral homelands of the population. This physical transformation assaults Ecuador's historically racialized geography, which conflated cities, modernity and white-mestizo identity. Though Afro-Ecuadorians living in the rural north had previously been physically and figuratively located outside of the national project, Ecuador’s new constitution has sought to reverse this institutionalized exclusion. National belonging has been reframed through the concept of interculturality, which recognizes diversity and equality at the same time. I conducted two periods of fieldwork in the north-central Chota …
On Perfect Friendship: An Outline And A Guide To Aristotle's Philosophy Of Friendship, Kristen Psaty
On Perfect Friendship: An Outline And A Guide To Aristotle's Philosophy Of Friendship, Kristen Psaty
Honors Theses
Providing insight into such timeless questions as: What is friendship? Are the best friends similar or dissimilar? and Does having friends make you a better person?, the paper addresses the importance of friendship for Aristotle, but also for the modern reader as well. A topic of special philosophical concern, Aristotle (384-322 B.C.) considered friendship to be necessary in achieving a virtuous and fulfilling life. Consequently, he wrote more about friendship than any other virtue he presented. This paper lays the foundation for understanding Aristotle’s philosophy of friendship as well as its position within his larger moral schema. The image of …
The Wheat Bzip Factor, Taabf1, Mediates Aba-Induced Gene Expression In Bombarded Barley Aleurone Layers, Benjamin R. Keyser
The Wheat Bzip Factor, Taabf1, Mediates Aba-Induced Gene Expression In Bombarded Barley Aleurone Layers, Benjamin R. Keyser
Honors Theses
The plant hormone Abscisic acid (ABA) plays a central role in maturation and germination in seeds, as well as mediating adaptive responses to abiotic environmental stresses. ABA induces the expression of many genes, including late-embryogenesis-abundant genes such as HVA1. To elucidate the ABA signaling pathway leading to HVA1 expression, we focus on the bZIP factor TaABF1. Analysis of the interplay between ABA and TaABF1 in the aleurone cells of imbibing cereal grains indicated that the two are not additive in their induction of the HVA1 promoter. A synthetic ABA analog, PBI-51, did not specifically inhibit the effect of exogenous ABA …
The Differential Roles Of D-Pax2 Variants In Regulating Drosophila Eye And Bristle Development, Colin J. O’Shea
The Differential Roles Of D-Pax2 Variants In Regulating Drosophila Eye And Bristle Development, Colin J. O’Shea
Honors Theses
The ability to appropriately interact with the environment is crucial to an organism’s survival. The establishment of functional sensory systems, such as the bristles and eyes in Drosophila, is a critical event during the development of the organism. The transcription factor D Pax2 is involved in the differentiation of the shaft and glial cells in the developing bristle (Kavaler et al., Dev, 126:2261-2272, 1999) and of the cone and primary pigment cells in the developing eye (Fu and Noll, Genes Dev, 11:389-405, 1997). How D-Pax2 contributes to distinct differentiative pathways in different cell types is not known. Recent work by …
The Role Of Taabf1 In Abscisic Acid-Mediated Suppression Of 𝒶-Amylase Gene Expression In Cereal Grains, Lauren J. Harris
The Role Of Taabf1 In Abscisic Acid-Mediated Suppression Of 𝒶-Amylase Gene Expression In Cereal Grains, Lauren J. Harris
Honors Theses
The phytohormones gibberellin (GA) and abscisic acid (ABA) regulate important developments events in germinating seeds. Specifically, GA induces the expression of hyrolase genes, like the α-amylase gene Amy32b, which mobilizes starch reserves to be used by the embryo, and ABA suppresses this induction. Recent advancements identified ABA and GA receptors and key components in the signaling pathways, however, the mechanism of crosstalk between the hormones remains largely unknown. To further elucidate the mechanism of ABA suppression of GA-induced genes, we focused on the transcription factor TaABF1, a member of the ABA response element binding factor family. TaABF1 has been shown …
Patterns Of Apoptotic Poly(Adp-Ribose) Polymerase Cleavage Induced By Laromustine And Its Analogs, Adam N. Paine
Patterns Of Apoptotic Poly(Adp-Ribose) Polymerase Cleavage Induced By Laromustine And Its Analogs, Adam N. Paine
Honors Theses
The anticancer prodrug Laromustine (VNP40101M) has produced promising remission rates in clinical trials among leukemic patients relative to currently available chemotherapeutics. Such improvements demand that the agent’s mechanism of action be elucidated. This study aimed to determine the role of poly(ADP-ribose) polymerase (PARP) in Laromustine-induced cell death. Previous studies indicated that the methyl isocyanate produced upon activation of Laromustine is largely responsible for its effective induction of apoptosis. Results reported herein strongly support the activation of a PARP-dependent apoptotic pathway by Laromustine’s carbamoylating and chlorethylating subspecies. Furthermore, it is evident that the Laromustine-induced PARP-dependent apoptosis is primarily attributable to methyl …
Soviet Education: Communism In The Classroom, Alison W. Berryman
Soviet Education: Communism In The Classroom, Alison W. Berryman
Honors Theses
My thesis examines the Soviet Union’s educational system during Stalin’s rule. It proves that the goal of the Soviet educational system in the 1920s and 1930s was to instill strong Communist loyalty from a very early age and to expedite the process of industrialization by educating future workers in “socially useful” labor.
A Disappearing Boundary?: The Changing Distinction Between Combatants And Civilians From The First World War To The Present Day, Aimee Kidder
Honors Theses
The issue of terrorism has stimulated intellectual debate regarding the rights and protections that should be afforded to civilians. However, the practice of targeting noncombatants in warfare extends far beyond terrorism and has roots deep in the historical past. This study looks at violence against civilians over a series of case studies from the First and Second World Wars as well as the French-Algerian War of the 1950s and 1960s. By looking at the changing legal distinctions between combatants and noncombatants, the study first establishes a trend in international law toward increasing protection of civilians. Yet, these legal advances are …
The Effects Of Neighboring Bases On Pdc In Single-Stranded And Double-Stranded Dna, Elizabeth Kelty Jones
The Effects Of Neighboring Bases On Pdc In Single-Stranded And Double-Stranded Dna, Elizabeth Kelty Jones
Honors Theses
To examine the dsDNA to ssDNA equilibrium in the context of a functional piece of DNA, we use the simple case of the hairpin/cmciform structure formed in the terminator of the beta-galactosidase gene in the cloning vector pBR322. The scheme for constructing the PdC-plasmids utilizes restriction nucleases. The pBR322 is first mutated in two locations (3175 and 3285) on the same strand of DNA using a PCR-based process. These locations flank the known cruciform extrusion site. The mutated plasmid is then digested by the nicking enzyme Nb.BbvCI, which introduces two cut sites on the same strand of the DNA. Next, …
Living (Or Not) Through Legendizing In Eudora Welty's Fiction, Ashley Catherine Wright
Living (Or Not) Through Legendizing In Eudora Welty's Fiction, Ashley Catherine Wright
Honors Theses
I began my thesis as a way of exploring how the global south is portrayed in the fiction of Eudora Welty. Through reading two of her novels and various short stories, which are discussed in this thesis, I discovered that my interpretation of Welty’s writing includes a greater focus on people and relationships rather than the actual place they live. This interpretation sheds new light to the existing criticism on Welty and her fiction because she and her work are most often discussed in terms of place rather than people. Key to my argument is term I have coined, ‘legendizing,’ …
Campus Architecture And Student Culture In American Higher Education, Alexandra R. Troxell
Campus Architecture And Student Culture In American Higher Education, Alexandra R. Troxell
Honors Theses
Human-environment interaction theory, as it specifically relates to architectural determinism, has an indispensible impact on student culture on college campuses. Under the assumptions of architectural determinism, this thesis examines the relationship between architecture and student culture on 30 American college campuses. Specifically, this thesis looks at uniformity of architectural style and color and the prevalence of traditional styles of architecture in relation to the institutions' campus cultures. The results of the study found that a significant relationship exists between student culture and uniformity of building color, but not between student culture and uniformity of style or the prevalence of traditional …
Subcellular Localization Of The Non-Structural Proteins 3c And 3cd Of The Honeybee Virus Deformed Wing Virus, Cierra Nichole Danko
Subcellular Localization Of The Non-Structural Proteins 3c And 3cd Of The Honeybee Virus Deformed Wing Virus, Cierra Nichole Danko
Honors Theses
Apis mellifera L., the European honeybee, is a crucial pollinator of many important agricultural crops in the United States. Recently, honeybee colonies have been affected by Colony Collapse Disorder (CCD), a disorder in which the colony fails due to the disappearance of a key functional group of worker bees. Though no direct causalrelationship has been confirmed, hives that experience CCD have been shown to have a high incidence of Deformed Wing Virus (DWV), a common honeybee virus. While the genome sequence and gene-order of DWV has been analyzed fairly recently, few other studies have been performed to understand the molecular …
Investigation Of The Design Of A Bistable Micro-Chemical-Mechanical Device Utilizing Lateral Buckling, Susan Lyn Barnes
Investigation Of The Design Of A Bistable Micro-Chemical-Mechanical Device Utilizing Lateral Buckling, Susan Lyn Barnes
Honors Theses
The Gracias Laboratory at Johns Hopkins University has developed microgrippers which utilize chemically-actuated joints to be used in micro-surgery. These grippers, however, take up to thirty minutes to close fully when activated biochemicals in the human body. This is very problematic and could limit the use of the devices in surgery. It is the goal of this research to develop a gripper that uses theGracias Laboratory's existing joints in conjunction with mechanical components to decrease the closing time. The purpose of including the mechanical components is to induce a state of instability at which time a small perturbation would cause …
Surviving The Holocaust: A Life History Study, Greg Jones
Surviving The Holocaust: A Life History Study, Greg Jones
Honors Theses
The aim of this thesis was to attempt to explain the inexplicable, thus coming to some concrete rationale as to why Murray was able to persevere unlike so many unfortunate victims who perished. The findings of this research attribute Murray's survival to three distinct categories; (1) Murray's geographical location and relationship to his hometown of Wierchomla, Poland (2) rare level of low anti-Semitic activity encountered and (3) a number of miscellaneous personal factors that included but are not limited to his diet, gender, age, psychological composition, family connections, agency, etc.
Audience Effects In Cognitive Task Performance In Capuchin Monkeys (Cebus Apella), Sean Patrick Coyne
Audience Effects In Cognitive Task Performance In Capuchin Monkeys (Cebus Apella), Sean Patrick Coyne
Honors Theses
Primates as a taxonomic Order have the largest brains corrected for body size in the animal kingdom. These large brains have allowed primates to evolve the capacity to demonstrate advanced cognitive processes across a wide array of abilities. Nonhuman primates are particularly adept at social learning, defined as the modification of behavior by observing the actions of others. Additionally, primates often exploit resources differently depending on their social context. In this study, capuchin monkeys (Cebus apella) were tested on a cognitive task in three social contexts to determine if social context influenced their performance on the task. The three social …
Freedom's Disciple : The Life, Music, And Impact Of Hazel Dickens, Kelly Landers
Freedom's Disciple : The Life, Music, And Impact Of Hazel Dickens, Kelly Landers
Honors Theses
The work of Appalachian musician Hazel Dickens sheds light on many of the musical and cultural changes in our country. Dickens used her music as a voice for the disadvantaged, advocating for improvements in the lives of miners, working-class people, and women, and pushing for all to be treated equally. A wonderful songwriter, performer, and overall musician, Dickens saw her career, music, and beliefs as inextricably linked, and so this thesis will explore her leadership by analyzing her songs and her history.
Person Perception Of Leaders With Adult Adhd, Maxwell P. Teschke
Person Perception Of Leaders With Adult Adhd, Maxwell P. Teschke
Honors Theses
Following this review of the literature this thesis describes three empirical investigations into people's beliefs about individuals who are diagnosed with the Attention Deficit and Hyperactivity Disorder (ADHD), and the relationship between those beliefs and leadership perceptions and judgments. In addition to documenting the content of the ADHD beliefs, the work will also test the hypothesis that the qualities stereotypically associated with ADHD are incongruent with those qualities individuals spontaneously and intuitively associate with leadership. A third study then considers the experience of individuals who are diagnosed as experiencing ADHD but also hold positions of leadership. By the end of …
Investigation Of Mutations Affecting Axon Guidance At The Midline In Drosophila, Laura Frances Bennett
Investigation Of Mutations Affecting Axon Guidance At The Midline In Drosophila, Laura Frances Bennett
Honors Theses
No abstract provided.
Euskal Herritarrak Gara: A Study Of A People And Their History, Culture, And Identity, Madison Rebekah Halbrook
Euskal Herritarrak Gara: A Study Of A People And Their History, Culture, And Identity, Madison Rebekah Halbrook
Honors Theses
Throughout history, Basque nationalism has constantly been defined by a series of struggles to protect their unique culture and identity and by a reaction of the Basque people to resist outside change and influence. This thesis will identify, examine, and discuss both the causes and the effects of this sentiment, and also why and how it has developed the way that it has. There are a number of factors in which this struggle can be seen. They include the fight to protect the Basque region fi'om foreign invaders, the struggle to retain political autonomy within a larger group, and certain …
Nature's Bastards: Hybridity, Grafting And Miscegenation In The Renaissance Imagery, Erin Elaine Doctor
Nature's Bastards: Hybridity, Grafting And Miscegenation In The Renaissance Imagery, Erin Elaine Doctor
Honors Theses
In this thesis I examined the various perceptions and permutations of hybridity in the context of a collective Renaissance imagination. The success of this thesis depends on the adherence to and analysis of a clear definition of hybridity, both real and metaphorical, as established in the introduction. Once this definition was established, I considered the implications of hybridity on a collection of Renaissance bodies, exemplified in the vegetable bodies of the garden and the social group of the gypsies. By using an extensive sample of primary sources, including plays, contemporaneous popular manuals and guidebooks, short stories, laws, edicts, paintings and …