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Articles 3301 - 3330 of 5836
Full-Text Articles in Entire DC Network
The Effect Of Secondary English Proficiency On The Reading Strategies Of International Students, Natasha Vega-Valbuena
The Effect Of Secondary English Proficiency On The Reading Strategies Of International Students, Natasha Vega-Valbuena
Undergraduate Student Symposium
Scholars have long established that all readers employ strategies to understand complex texts. The most effective readers read not just for content, but ask questions about why authors make the choices they do. These “rhetorical” readers ask not just “what?”, but why?”. Rhetorical reading strategies, as defined by Flower and Haas, are “active attempts at constructing a rhetorical context for a text as a way of making sense of it.” In other words, readers must not only interpret the words on the page based on their grasp of the English grammar and syntax, they must be able to imagine the …
The Effects Of Pre Versus Post Exercise Consumption Of An Amino-Acid Based Nutritional Supplement: Effects On Body Composition And Performance, Anamaria Cretu, Sapphire Aragon
The Effects Of Pre Versus Post Exercise Consumption Of An Amino-Acid Based Nutritional Supplement: Effects On Body Composition And Performance, Anamaria Cretu, Sapphire Aragon
Undergraduate Student Symposium
Purpose: The role of nutrient timing in combination with heavy resistance is unclear. There is research to suggest that the consumption of protein pre- or post-exercise may enhance muscular size and strength. The purpose of this investigation was to ascertain the effects Pre versus Post exercise consumption of an amino-acid based supplement (NO Synthesize®) as it relates to the adaptive response to exercise.
Methods: Twenty healthy (n=20) well trained adult males and females (21.6 yrs ± 4.3, 67.9kg ± 9.8, 170.0cm ± 11) were recruited to participate in this 28 day intervention. Subjects were given informed consent and were subsequently …
The Neurophysiology Of Attractiveness, Megan Thomas
The Neurophysiology Of Attractiveness, Megan Thomas
Undergraduate Student Symposium
Evolutionary theories of human mating suggest that both men and women are interested in the most attractive members of the opposite sex. However, men may be more likely than women to be motivated to act on these interests. The goal of this study is to investigate the neurophysiological correlates of these evolved psychological mechanisms relevant to human mate attraction. Electroencephalographic (EEG) event related brain potentials (ERPs) are used as the primary index of the influence of target facial attractiveness on neurobiological processing. Salivary testosterone levels are also assessed to determine the influence of mating-relevant hormones on these processes. Measures of …
A B Cell Mediated Model Of Humoral Immune System Function, Abbiana Arenas
A B Cell Mediated Model Of Humoral Immune System Function, Abbiana Arenas
Undergraduate Student Symposium
Influenza claims hundreds of thousands of lives each year world wide. Unfortunately these numbers are relatively unchanged over the past few decades. Influenza vaccines work to prime the humoral immune response for subsequent challenges by the influenza virus. With this initial priming the humoral response will produce specific and highly effective antibodies for the given virus. While effective, the mechanisms of humoral memory formation and maintenance are relatively less explored than the cell mediated response. In primary infections, the innate response and CD8+ T-cells will often clear the bulk of the virus before the humoral response can produce a …
Apoptotic Effect Of Lithocholic Acid On Lncap Prostate Cancer Cell Line, Shivali Patel, Nikki Joseph
Apoptotic Effect Of Lithocholic Acid On Lncap Prostate Cancer Cell Line, Shivali Patel, Nikki Joseph
Undergraduate Student Symposium
Lithocholic acid (LCA), CHO is a bile acid naturally produced in the liver that helps to digest fats. LCA has been reported to produce cytotoxic effects on cancer cells while leaving healthy cells unharmed. Recently, based on previous studies conducted, an apoptotic mechanism was proposed for LCA in neuroblastoma (NB) cells, rat glioma cells and breast cancer cells. Therefore, the main purpose of this experiment was to confirm the apoptosis inducing mechanisms of LCA in LNCaP prostate cancer cells. In addition, a combination of LCA and topotecan (TPT), a chemotherapeutic drug, was used to evaluate its potency as well. The …
Environmental Enrichment And Stereotypical Behavior In North American River Otters, Carolina Segarra
Environmental Enrichment And Stereotypical Behavior In North American River Otters, Carolina Segarra
Undergraduate Student Symposium
The goal of this study was to determine factors governing stereotypic behaviors of North American river otters on display at the Palm Beach Zoo. Stereotypic behaviors in captivity occur for no apparent reason, are repetitive and at times may cause harm. Zookeepers strive to provide challenging environments, objects, and activities (enrichments), whether physical, social or mental, to prevent or eliminate stereotypic behaviors and to encourage natural behaviors crucial to animal welfare. For this study, three otters (1 male, 2 females) were chosen based on their consistent stereotypic behaviors. We collected data following an ethogram designed around the natural history of …
Evaluating The Impact Of Cruise Ship Emissions On The Air Quality In South Florida, Aarabhi Rajagopal
Evaluating The Impact Of Cruise Ship Emissions On The Air Quality In South Florida, Aarabhi Rajagopal
Undergraduate Student Symposium
South Florida enjoys the reputation of being the cruise capital of the world, for it has two of the busiest cruise ports in Miami and Fort Lauderdale, respectively. Cruise ships, while bringing tremendous recreational pleasure, emit substantial quantities of gases, such as nitrogen dioxide, and aerosols that pose health risks for the public, especially to those in the elder and sensitive groups. This study attempts to understand the impact of ship emissions on the regional air quality in South Florida. Specifically, the distributions of high and low cruise seasons, as well as heavy and light emission days, are assessed based …
Exploring Mutagenic Effects Of Atmospheric Aerosol Components, Patrick Doty, Arti Patel, Divya Pandya
Exploring Mutagenic Effects Of Atmospheric Aerosol Components, Patrick Doty, Arti Patel, Divya Pandya
Undergraduate Student Symposium
Atmospheric aerosols play key roles in global climate, air quality and public health issues. In the latter case, it has been shown that aerosols may exacerbate pulmonary and cardiovascular symptoms or diseases, via pathways such as oxidative stress. However, neither the detailed aerosol composition nor how aerosols may generate certain biological responses, including human health risks, is fully understood. This study explores how several important organic aerosol components such as polyaromatic hydrocarbons (PAH) may generate mutagenic effects in Escherichia coli, using a standard mutagenicity assay. Variables such as the PAH type and temperature are tested and preliminary results will be …
12th Annual Undergraduate Student Symposium, Farquhar Honors College
12th Annual Undergraduate Student Symposium, Farquhar Honors College
Undergraduate Student Symposium
The Undergraduate Student Symposium, sponsored by the Farquhar College of Arts and Sciences, presents student projects through presentations, papers, and poster displays. The event serves as a “showcase” demonstrating the outstanding scholarship of undergraduate students at NSU. The Symposium is open to undergraduate students from all disciplines. Projects cover areas of student scholarship ranging from the experimental and the applied to the computational, theoretical, artistic, and literary. They are taken from class assignments as well as from independent projects. The projects do not have to be complete; presentations can represent any stage in the concept’s evolution, from proposal and literature …
Disconjugacy And Differentiation For Solutions Of Boundary Value Problems For Second-Order Dynamic Equations On A Time Scale, Jeffrey W. Lyons
Disconjugacy And Differentiation For Solutions Of Boundary Value Problems For Second-Order Dynamic Equations On A Time Scale, Jeffrey W. Lyons
Mathematics Colloquium Series
On the specific time scale—given as integer multiples of a fixed, positive real number h—and under certain conditions, solutions of a nonlinear second-order dynamic equation with conjugate boundary conditions are differentiated with respect to the boundary values and delta differentiated with respect to the boundary points. Lyons will also present two corollaries of the result.
Microhabitat Selection By Marine Mesoconsumers In A Thermally Heterogeneous Habitat: Behavioral Thermoregulation Or Avoiding Predation Risk?, Jeremy Vaudo, Michael Heithaus
Microhabitat Selection By Marine Mesoconsumers In A Thermally Heterogeneous Habitat: Behavioral Thermoregulation Or Avoiding Predation Risk?, Jeremy Vaudo, Michael Heithaus
Marine & Environmental Sciences Faculty Articles
Habitat selection decisions by consumers has the potential to shape ecosystems. Understanding the factors that influence habitat selection is therefore critical to understanding ecosystem function. This is especially true of mesoconsumers because they provide the link between upper and lower tropic levels. We examined the factors influencing microhabitat selection of marine mesoconsumers – juvenile giant shovelnose rays (Glaucostegus typus), reticulate whiprays (Himantura uarnak), and pink whiprays (H. fai) – in a coastal ecosystem with intact predator and prey populations and marked spatial and temporal thermal heterogeneity. Using a combination of belt transects and data …
Florida Keys Population Abundance Estimates For Nine Coral Species Proposed For Listing Under The U.S. Endangered Species Act, Steven Miller, William F. Precht, Leanne M. Rutten, Mark Chiappone
Florida Keys Population Abundance Estimates For Nine Coral Species Proposed For Listing Under The U.S. Endangered Species Act, Steven Miller, William F. Precht, Leanne M. Rutten, Mark Chiappone
Marine & Environmental Sciences Faculty Reports
This report presents abundance and size-class distribution estimates for nine coral species in the Florida Keys and Dry Tortugas, all of which are proposed for listing or reclassification under the U.S. Endangered Species Act (ESA). The lack of population data for these species was highlighted as a deficiency in the ESA Review Process by the Biological Review Team (BRT) in their Status Review (Brainard et al. 2011) and also by the National Oceanic and Atmospheric Administration (NOAA) (Federal Register 2012). Field sampling protocols were adapted from Aronson et al. (1994) and the Atlantic and Gulf Rapid Reef Assessment program (Kramer …
Coral Population Trajectories, Increased Disturbance And Management Intervention: A Sensitivity Analysis, Bernhard Riegl, M. L. Berumen, Andrew Bruckner
Coral Population Trajectories, Increased Disturbance And Management Intervention: A Sensitivity Analysis, Bernhard Riegl, M. L. Berumen, Andrew Bruckner
Marine & Environmental Sciences Faculty Articles
Coral reefs distant from human population were sampled in the Red Sea and one-third showed degradation by predator outbreaks (crown-of-thorns-starfish = COTS observed in all regions in all years) or bleaching (1998, 2010). Models were built to assess future trajectories. They assumed variable coral types (slow/fast growing), disturbance frequencies (5,10,20 years), mortality (equal or not), and connectivity (un/connected to un/disturbed community). Known disturbances were used to parameterize models. Present and future disturbances were estimated from remote-sensing chlorophyll and temperature data. Simulations and sensitivity analysis suggest community resilience at >20-year disturbance frequency, but degradation at higher frequency. Trajectories move from fast-grower …
Changes In A Tropical Seagrass Environment After Installation Of Small Artificial Reefs, Joseph M. Penta
Changes In A Tropical Seagrass Environment After Installation Of Small Artificial Reefs, Joseph M. Penta
HCNSO Student Theses and Dissertations
The 3-dimensional structural complexity of coral reef environments is positively correlated with measurements of biodiversity and biomass. EcoReefs are a type of artificial reef that resemble branching corals, such as Acropora cervicornis, which provide an environment of high structural diversity, and that are effective at recruiting and sustaining fish populations. Little is known, however, about the effects of EcoReefs on the surrounding environments in which they are deployed, so this study examined the results after installing Ecoreef modules in a seagrass environment. The installation occurred in March 2009 at Coco Cay in the Berry Island chain in the Bahamas …
A Review Of Predator-Prey Interactions Within Marine Ecosystems With A Focus On Top Predator Influences On Ecosystem Stability And Fisheries Management Implications, Kathleen Cook Hollowell
A Review Of Predator-Prey Interactions Within Marine Ecosystems With A Focus On Top Predator Influences On Ecosystem Stability And Fisheries Management Implications, Kathleen Cook Hollowell
HCNSO Student Capstones
The objective of this paper is to review the effects top predators have on and within marine ecosystems, although the full impact that they have isn’t well understood. This paper will define and explain different types of direct and indirect interactions of predators on prey, the types of models or observing techniques currently used to study these interactions, the reasons for top predator loss and the impact top predator loss could have on marine ecosystems.
Finding Employees With Undiagnosed Diabetes, Thomas Lenz, Nicole Gillespie, Michael Monaghan
Finding Employees With Undiagnosed Diabetes, Thomas Lenz, Nicole Gillespie, Michael Monaghan
Internet Journal of Allied Health Sciences and Practice
Purpose: Implement a confidential and low cost method to identify employees with undiagnosed diabetes. Methods:Blood samples from fasting plasma glucose measurements obtained by a third party vendor from the annual employee health risk assessment data were re-run at a cut-point of 117 mg/dL or greater to obtain a hemoglobin A1c (A1c) value. Individual letters were sent from the third party vendor to employees with a HbA1c value of 5.7% or greater informing them of an employee diabetes management program. Results: 1611 of 3044 (53%) employees participated in the annual health risk assessment; 87 employees demonstrated a fasting plasma glucose >117 …
Ocean Current Measurements: Challenges And Opportunities In The Florida Current, William E. Baxley
Ocean Current Measurements: Challenges And Opportunities In The Florida Current, William E. Baxley
HCNSO Student Capstones
The water velocities offshore south Florida are dominated by the Florida Current, and these effects result not only from the tremendous flow of water between Florida and the Bahamas, but also from the eddies and other rotational components imparted by the change in flow direction from eastward to northward along the Florida Keys and the end of the peninsula. These currents have been measured for decades, with methods ranging from subsurface floats to acoustic Doppler current profilers (ADCPs) and surface current measuring radars. Data suggests that there is a large degree of variability in the mean flow, including significant vorticity …
Supplemental Feeding For Ecotourism Reverses Diel Activity And Alters Movement Patterns And Spatial Distribution Of The Southern Stingray, Dasyatis Americana, Mark John Corcoran, Bradley M. Wetherbee, Mahmood S. Shivji, Matthew Potenski, Demian D. Chapman, Guy Harvey
Supplemental Feeding For Ecotourism Reverses Diel Activity And Alters Movement Patterns And Spatial Distribution Of The Southern Stingray, Dasyatis Americana, Mark John Corcoran, Bradley M. Wetherbee, Mahmood S. Shivji, Matthew Potenski, Demian D. Chapman, Guy Harvey
Marine & Environmental Sciences Faculty Articles
Southern stingrays, Dasyatis americana, have been provided supplemental food in ecotourism operations at Stingray City Sandbar (SCS), Grand Cayman since 1986, with this site becoming one of the world’s most famous and heavily visited marine wildlife interaction venues. Given expansion of marine wildlife interactive tourism worldwide, there are questions about the effects of such activities on the focal species and their ecosystems. We used a combination of acoustic telemetry and tag-recapture efforts to test the hypothesis that human-sourced supplemental feeding has altered stingray activity patterns and habitat use at SCS relative to wild animals at control sites. Secondarily, we …
Fractional Calculus And Smallest Eigenvalues, Jeffrey T. Neugebauer
Fractional Calculus And Smallest Eigenvalues, Jeffrey T. Neugebauer
Mathematics Colloquium Series
This talk will introduce the subject of fractional calculus, which involves taking integrals and derivatives of arbitrary order. Neugebauer will show how the definitions of fractional derivatives and fractional integrals are natural extensions of the definitions of the derivative and the integral. In addition to showing some examples, Neugebauer will explore ongoing research on the comparison of smallest eigenvalues of a fractional-boundary-value problem with conjugate boundary conditions.
When Pandora’S Box Is Opened: A Qualitative Study Of The Intended And Unintended Impacts Of Wyoming’S New Standardized Tests On Local Educators’ Everyday Practices, Jeasik Cho, Brian Ebhard
When Pandora’S Box Is Opened: A Qualitative Study Of The Intended And Unintended Impacts Of Wyoming’S New Standardized Tests On Local Educators’ Everyday Practices, Jeasik Cho, Brian Ebhard
The Qualitative Report
In the context of a newly adopted statewide assessment system, PAWS (Proficiency Assessment for Wyoming Students), this paper describes intended instructional changes and unintended outcomes in classrooms and schools as a result of an assessment policy involving an innovative online portion of the test. An elementary school was selected and prolonged qualitative fieldwork with in - depth and focus group interviews were conducted for 1½ years. A constant comparative data analysis and interpretation from grounded theory methodology led to the following themes: adaptive implementation policy, teachers’ dilemmas, instructional change, and school culture change. While observing an elusive role for teachers …
Synthesizing Larval Competence Dynamics And Reef-Scale Retention Reveals A High Potential For Self-Recruitment In Corals, Joana Figueiredo, Andrew H. Baird, Sean R. Connolly
Synthesizing Larval Competence Dynamics And Reef-Scale Retention Reveals A High Potential For Self-Recruitment In Corals, Joana Figueiredo, Andrew H. Baird, Sean R. Connolly
Marine & Environmental Sciences Faculty Articles
Many organisms have a complex life-cycle in which dispersal occurs at the propagule stage. For marine environments, there is growing evidence that high levels of recruitment back to the natal population (self-recruitment) are common in many marine organisms. For fish, swimming behavior is frequently invoked as a key mechanism allowing high self-recruitment. For organisms with weak-swimming larvae, such as many marine invertebrates, the mechanisms behind self-recruitment are less clear. Here, we assessed whether the combination of passive retention of larvae due to re-circulation processes near reefs, and the dynamics of settlement competence, can produce the high levels of self-recruitment previously …
The Current Volume 23 : Issue 20, Nova Southeastern University
The Current Volume 23 : Issue 20, Nova Southeastern University
Student Newspapers
No abstract provided.
Oceanographic Center Graduate Program Catalog, Nova Southeastern University
Oceanographic Center Graduate Program Catalog, Nova Southeastern University
Halmos College of Natural Sciences and Oceanography Course Catalogs
No abstract provided.
Oceanographic Center "Your Goals Our Experience", Nova Southeastern University
Oceanographic Center "Your Goals Our Experience", Nova Southeastern University
Halmos College of Natural Sciences and Oceanography Course Catalogs
No abstract provided.
College Of Optometry Overview 2013, Nova Southeastern University
College Of Optometry Overview 2013, Nova Southeastern University
Health Professions Divisions Course Catalogs and Course Descriptions
No abstract provided.
College Of Dental Medicine Overview 2013, Nova Southeastern University
College Of Dental Medicine Overview 2013, Nova Southeastern University
Health Professions Divisions Course Catalogs and Course Descriptions
No abstract provided.
Characterization Of The Heart Transcriptome Of The White Shark (Carcharodon Carcharias), Vincent P. Richards, Haruo Suzuki, Michael J. Stanhope, Mahmood S. Shivji
Characterization Of The Heart Transcriptome Of The White Shark (Carcharodon Carcharias), Vincent P. Richards, Haruo Suzuki, Michael J. Stanhope, Mahmood S. Shivji
Marine & Environmental Sciences Faculty Articles
Background: The white shark (Carcharodon carcharias) is a globally distributed, apex predator possessing physical, physiological, and behavioral traits that have garnered it significant public attention. In addition to interest in the genetic basis of its form and function, as a representative of the oldest extant jawed vertebrate lineage, white sharks are also of conservation concern due to their small population size and threat from overfishing. Despite this, surprisingly little is known about the biology of white sharks, and genomic resources are unavailable. To address this deficit, we combined Roche-454 and Illumina sequencing technologies to characterize the first …
Not "Special" Enough For Chapter 7: An Analysis Of The Special Circumstances Provision Of The Bankruptcy Code, Roma Perez
Faculty Scholarship
No abstract provided.
First Look 2013, Nova Southeastern University
Complex Dynamics In Predator-Prey Models With Nonmonotonic Functional Response And Seasonal Harvesting, Jicai Huang, Jing Chen, Yijun Gong, Weipeng Zhang
Complex Dynamics In Predator-Prey Models With Nonmonotonic Functional Response And Seasonal Harvesting, Jicai Huang, Jing Chen, Yijun Gong, Weipeng Zhang
Mathematics Faculty Articles
In this paper we study the complex dynamics of predator-prey systems with nonmonotonic functional response and harvesting. When the harvesting is constant-yield for prey, it is shown that various kinds of bifurcations, such as saddle-node bifurcation, degenerate Hopf bifurcation, and Bogdanov-Takens bifurcation, occur in the model as parameters vary. The existence of two limit cycles and a homoclinic loop is established by numerical simulations. When the harvesting is seasonal for both species, sufficient conditions for the existence of an asymptotically stable periodic solution and bifurcation of a stable periodic orbit into a stable invariant torus of the model are given. …