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Articles 1 - 30 of 112
Full-Text Articles in Pharmacology, Toxicology and Environmental Health
Exploring Science Identity: The Lived Experiences Of Underserved Students In A University Supplemental Science Program, Lynette D. Perrault
Exploring Science Identity: The Lived Experiences Of Underserved Students In A University Supplemental Science Program, Lynette D. Perrault
University of New Orleans Theses and Dissertations
Underserved students attending under-resourced schools experience limited opportunities to engage in advanced science. An exploration into the influence a supplemental science program has on underserved students’ acquisition of science knowledge and skills to increase their pursuit of science was conducted to help explain science identity formation in students. The proliferation of supplemental science programs have emerged as a result of limited exposure and resources in science for underserved students, thus prompting further investigation into the influence supplemental science programs have on underserved students interest and motivation in science, attainment of science knowledge and skills, and confidence in science to promote …
Testing The Underlying Chemical Principles Of The Biotic Ligand Model (Blm) To Marine Copper Systems: Measuring Copper Speciation Using Fluorescence Quenching, Tara N. Tait, James C. Mcgeer, Scott Smith
Testing The Underlying Chemical Principles Of The Biotic Ligand Model (Blm) To Marine Copper Systems: Measuring Copper Speciation Using Fluorescence Quenching, Tara N. Tait, James C. Mcgeer, Scott Smith
Chemistry Faculty Publications
Speciation of copper in marine systems strongly influences the ability of copper to cause toxicity. Natural organic matter (NOM) contains many binding sites which provides a protective effect on copper toxicity. The purpose of this study was to characterize copper binding with NOM using fluorescence quenching techniques. Fluorescence quenching of NOM with copper was performed on nine sea water samples. The resulting stability con- stants and binding capacities were consistent with literature values of marine NOM, show- ing strong binding with log K values from 7.64 to 10.2 and binding capacities ranging from 15 to 3110 nmole mg C −1 …
Justin's Save The Frogs Project, Justin Sather
Justin's Save The Frogs Project, Justin Sather
The STEAM Journal
Justin’s Save the Frog Project goals are 1) to spread the awareness about the rapid decline in frog population 2) inspire others to make the environment a better place for people and animals 3) make an impact by building wetlands in California specifically for the CA Red-Legged Frogs and Foothill Yellow Legged.
Organizational Effects Of Defeminizing Toxicants: Lessons Learned From An Environmental Sentinel Organism, The Fathead Minnow., Jonathan Ali
Organizational Effects Of Defeminizing Toxicants: Lessons Learned From An Environmental Sentinel Organism, The Fathead Minnow., Jonathan Ali
Theses & Dissertations
Endocrine disrupting compounds (EDCs) are chemicals that interfere with hormone function and are increasingly detected in aquatic environments, where they elicit adverse effects from exposed organisms. The toxicological effects of EDCs can be described as either activational (reversible) or organizational (irreversible), where the latter are associated with adverse outcomes in reproductive performance of adult fish. However, few studies have investigated the organizational impacts of anti-estrogenic or “defeminizing” EDCs, e.g. agrichemicals or pharmacological agents, in an environmentally-relevant or “sentinel” species. The objective of this study was to investigate the impacts of early-life EDC-initiated changes in estrogenic gene expression on organizational effects …
Saving The Planet Begins With Saving The Coral Reefs, Marla Maconochie
Saving The Planet Begins With Saving The Coral Reefs, Marla Maconochie
Honors Projects
This honors project uses a children’s book format to aid in explaining the importance of saving the coral reefs. This book will be informing the younger generations about important, yet complicated issues at hand in a way that they can understand and relate to. The book explains how coral reefs are important for oxygen production, biodiversity, research opportunities, protection of coastal environments and for the economy. The children’s book explains how human activities and natural stressors can impact coral survivorship. The book explains how overfishing allows for excessive algal growth that smothers corals and tackles how coral bleaching occurs and …
Association Of Childhood Blood Lead Levels With Firearm Violence Perpetration And Victimization, Lindsay Rae Emer
Association Of Childhood Blood Lead Levels With Firearm Violence Perpetration And Victimization, Lindsay Rae Emer
Theses and Dissertations
Over 10,000 Americans are killed in firearm homicides each year, and an additional 40,000 are injured in nonfatal shootings. There is a significant public health need to identify risk factors that can be modified to prevent firearm violence. Environmental lead exposure is a demonstrated neurotoxicant which causes behavior changes that are known to be criminogenic. More recent research has demonstrated that homicides and nonfatal shootings differ by the circumstances that lead to the shootings (i.e. gang, domestic violence, arguments) and aggregating them could lead to biased results. Although studies have found a relationship between childhood lead exposure and criminal behaviors, …
Autoethnography As An Instrument For Professional (Trans) Formation In Pharmaceutical Care Practice, Daniela Álvares Machado Silva, Simone Araújo Medina Mendonça, Maureen O´Dougherty, Djenane Ramalho De Oliveira, Clarice Chemello
Autoethnography As An Instrument For Professional (Trans) Formation In Pharmaceutical Care Practice, Daniela Álvares Machado Silva, Simone Araújo Medina Mendonça, Maureen O´Dougherty, Djenane Ramalho De Oliveira, Clarice Chemello
The Qualitative Report
The recent inclusion of pharmacists in primary healthcare in Brazil through the Family Health Support Team has encouraged them to reflect on the need to change from a professional focused on medications to one focused on individuals. This autoethnography allowed a pharmacist to confront her perspectives on clinical practice between 2014 and 2016, a period when she decided to challenge her traditional training as a pharmacist centered on medications. Using pharmaceutical care practice as the theoretical framework that prompted the profession of pharmacy to change its focus to the patient, the authors collaborated to construct a monologue that engages readers …
Golfer Exposure To Pesticides, Jeffery Doherty
Golfer Exposure To Pesticides, Jeffery Doherty
Doctoral Dissertations
There is concern among industry regulators, turfgrass managers, and the general public over human exposure to pesticides following their application to turfgrass. The residential aspect of turfgrass applications raises concerns about exposure to infants and children, as well as adults. To accurately determine the exposure of golfers to turfgrass pesticides, it is necessary to understand their transfer and absorption dynamics, as well as the routes of golfer exposure. Previous research has demonstrated that exposure to some turfgrass pesticides is at a level that would concern USEPA risk assessors using the USEPA Hazard Quotient (HQ) criteria (1). This current research used …
Investigating The Toxicity And Accumulation Of 2,4-Dichlorophenoxyacetic Acid (2,4-D) And Glyphosate In Eisenia Fetida, Caitlin Lazurick, Nicole Lidzbarski, Rachel Owings, Jeff Brotherton, Edna Steele
Investigating The Toxicity And Accumulation Of 2,4-Dichlorophenoxyacetic Acid (2,4-D) And Glyphosate In Eisenia Fetida, Caitlin Lazurick, Nicole Lidzbarski, Rachel Owings, Jeff Brotherton, Edna Steele
Journal of the South Carolina Academy of Science
Glyphosate, the main ingredient in Roundup®, is the most widely used herbicide in the world. It is also used in combination with another effective herbicide, 2,4-D, in the formulation called Enlist Duo®. The EPA approved the use of Enlist Duo® on certain crops including those genetically modified to be resistant to both herbicides. The predicted significant increase in the use of these herbicides raised concerns from the general public because both compounds have been classified as possibly or probably carcinogenic. Since herbicides are applied directly to vegetation, the safety of organisms that come in contact …
Imidacloprid, A Neonicotinoid Insecticide, Impairs Lipid And Glucose Metabolism, Quancai Sun
Imidacloprid, A Neonicotinoid Insecticide, Impairs Lipid And Glucose Metabolism, Quancai Sun
Doctoral Dissertations
Emerging evidence suggests that environmental pollutants, including insecticides, are linked to excessive weight gain and altered glucose homeostasis. However, there is currently limited knowledge regarding the biochemical mechanisms by which exposure to insecticides contribute to obesity and its associated pathologies. We first studied the influence of fipronil (a phenylpyrazole family insecticide) on 3T3-L1 adipogenesis. Recently imidacloprid, a neonicotinoid insecticide, was reported to potentiate adipogenesis and insulin resistance in vitro. The current studies also determined the effects of imidacloprid exposure and its interaction with dietary fat in the development of adiposity and insulin resistance using both male and female C57BL/6J …
Robust Biosensors For Healthcare Applications: From High-Content Screening To Point-Of-Care Testing, Ngoc D. B. Le
Robust Biosensors For Healthcare Applications: From High-Content Screening To Point-Of-Care Testing, Ngoc D. B. Le
Doctoral Dissertations
Efficient detection of proteins, mammalian cells, microorganisms and other biological systems in complex mixture is essential in disease diagnosis and environmental health. Therefore, technological platforms that provide sensors of high sensitivity, selectivity and stability are greatly desired. Recently, the ‘chemical-nose’ sensing approach has proved to be an effective strategy for profiling bio-relevant targets in complex mixtures. Detecting analytes in complex mixture is a challenge that conventional specificity-based sensors are still trying to solve due to the requirement of prior knowledge of the analyte, which is unknown in many cases. This thesis focuses on how to develop simple and robust …
Exopolysaccharides Regulate Calcium Flow In Cariogenic Biofilms, Monika Astasov-Frauenhoffer, Muth M. Varenganayil, Alan W. Decho, Tuomas Waltimo, Olivier Braissant
Exopolysaccharides Regulate Calcium Flow In Cariogenic Biofilms, Monika Astasov-Frauenhoffer, Muth M. Varenganayil, Alan W. Decho, Tuomas Waltimo, Olivier Braissant
Faculty Publications
Caries-associated biofilms induce loss of calcium from tooth surfaces in the presence of dietary carbohydrates. Exopolysaccharides (EPS) provide a matrix scaffold and an abundance of primary binding sites within biofilms. The role of EPS in binding calcium in cariogenic biofilms is only partially understood. Thus, the aim of the present study is to investigate the relationship between the calcium dissolution rates and calcium tolerance of caries-associated bacteria and yeast as well as to examine the properties of EPS to quantify its binding affinity for dissolved calcium. Calcium dissolution was measured by dissolution zones on Pikovskaya’s agar. Calcium tolerance was assessed …
Bottom-Up Control Of Parasites, David S. Johnson, Richard Heard
Bottom-Up Control Of Parasites, David S. Johnson, Richard Heard
VIMS Articles
Parasitism is a fundamental ecological interaction. Yet we understand relatively little about the ecological role of parasites compared to the role of free-living organisms. Bottom-up theory predicts that resource enhancement will increase the abundance and biomass of free-living organisms. Similarly, parasite abundance and biomass should increase in an ecosystem with resource enhancement. We tested this hypothesis in a landscape-level experiment in which salt marshes (60,000 m2 each) received elevated nutrient concentrations via flooding tidal waters for 11 yr to mimic eutrophication. Nutrient enrichment elevated the densities of the talitrid amphipod, Orchestia grillus, and the density and biomass of its …
Ecological Succession On Neotropical Landslides: Comparing Successional Patterns Of Four Different Aged Landslides In The Cerro Candelaria Reserve, Nace Keifer
Independent Study Project (ISP) Collection
Abstract In an area that is vulnerable to frequent landslides due to steep montane slopes and heavy rain falls it is important to understand how the ecosystem regenerates after it has been disturbed. This study examined ecological succession patterns by comparing the vegetation on four different aged landslides and the unharmed forest within the Cerro Candelaria Reserve, located in a cloud forest ecosystem in central Ecuador. One meter soil profiles and 5x5 meter vegetation quadrats were used to observe and characterize the habitats on the four individual landslides and unharmed forest. At each location, soil color, texture, and structure were …
Philosophy Bakes No Bread, Babette Babich
Philosophy Bakes No Bread, Babette Babich
Articles and Chapters in Academic Book Collections
Philosophy Bakes No Bread
Far from baking bread, far from practical applicability, philosophy traditionally sought to explain the world, ideally so. Thus, when Marx argued that it was high time philosophy “change the world,” his was a revolutionary challenge. Today, philosophy is an analytic affair and analytic philosophers seek less to explain the world than to squirrel out arguments or, more descriptively, to resolve the minutiae of this or that name problem. Faced with diminishing student demand, analytic philosophers have taken to urging that everyone from primary school students to scientists be required to study (analytic) philosophy. Just so, applied …
Prevalence Of Moniliophthora Roreri In Theobroma Cacao In Relation To Clone Variety, Community Composition, Environmental Factors In An Organic Cacao Farm In Charagre, Bocas Del Toro, Panamá: A Case Study, Kara Eckberg
Independent Study Project (ISP) Collection
Moniliophthora roreri, or Frosty Pod Rot (FPR) is a widespread pathogen that affects the fruit of Theobroma cacao, a tree commonly known as the cacao tree. Often, cultivators seek to control spread of M. roreri through fungicidal compounds. However, these fungicides place selective pressure for resistance on M. roreri. Additionally, they can have adverse environmental and human health effects and are difficult to integrate into practice for smallholders. Therefore organic farms in Bocas del Toro in western Panama, have turned to biocontrol agents to reduce the spread of M. roreri. These strategies include increasing hybrid variety, modifying community composition, altering …
Hmgb1-Rage Pathway Drives Peroxynitrite Signaling-Induced Ibd-Like Inflammation In Murine Nonalcoholic Fatty Liver Disease, Varun Chandrashekaran, Ratanesh K. Seth, Diptadip Dattaroy, Firas Alhasson, Jacek Ziolenka, James Carson, Franklin G. Berger, Balaraman Kalyanaraman, Anna Mae Diehl, Saurabh Chatterjee
Hmgb1-Rage Pathway Drives Peroxynitrite Signaling-Induced Ibd-Like Inflammation In Murine Nonalcoholic Fatty Liver Disease, Varun Chandrashekaran, Ratanesh K. Seth, Diptadip Dattaroy, Firas Alhasson, Jacek Ziolenka, James Carson, Franklin G. Berger, Balaraman Kalyanaraman, Anna Mae Diehl, Saurabh Chatterjee
Faculty Publications
Recent clinical studies found a strong association of colonic inflammation and Inflammatory bowel disease (IBD)-like phenotype with NonAlcoholic Fatty liver Disease (NAFLD) yet the mechanisms remain unknown. The present study identifies high mobility group box 1 (HMGB1) as a key mediator of intestinal inflammation in NAFLD and outlines a detailed redox signaling mechanism for such a pathway. NAFLD mice showed liver damage and release of elevated HMGB1 in systemic circulation and increased intestinal tyrosine nitration that was dependent on NADPH oxidase. Intestines from NAFLD mice showed higher Toll like receptor 4 (TLR4) activation and proinflammatory cytokine release, an outcome strongly …
The Handpump Choice Is Yours: A Pilot Study In Rumphi District, Malawi, Rochelle Holm, Alinafe Kamangira, Victor Kasulo, Prince Kaponda, Edwin Hara, Channing Carney-Filmore, Muthi Nhlema
The Handpump Choice Is Yours: A Pilot Study In Rumphi District, Malawi, Rochelle Holm, Alinafe Kamangira, Victor Kasulo, Prince Kaponda, Edwin Hara, Channing Carney-Filmore, Muthi Nhlema
Faculty Scholarship
In sub-Saharan Africa, moving towards the Sustainable Development Goals will require an approach to water and sanitation service delivery for many rural communities where handpumps still dominate infrastructure. This paper reviews a case study of allowing users (local government and communities) in Rumphi District, Malawi, to choose a handpump model based on information about the life-cycle costs. The results indicate that there is some awareness within communities and within the local government of several handpump options for the rural water supply in the study area. Given a choice of different handpump models in the treatment communities, each community chose the …
Hydrology And Macroinvertebrates As Biological Indicators- An Integrated Study Of The Río Zamora Watershed, Loja, Ecuador, Isabel Ryde
Independent Study Project (ISP) Collection
Water quality and access is under grave threat in Ecuador, yet remains poorly studied. Macroinvertebrates were used as biological indicators to study water quality around Reserva Natural Madrigal del Podocarpus, Loja Province, Ecuador. Data on macroinvertebrates was combined with hydrologic measurements of stream functions. Macroinvertebrate sampling was conducted from 6 sites within the Upper Río Zamora watershed. Geologic outcrops were observed along several roadcuts and stream banks. Hydrologic data was collected by measuring discharge, elevation change, and finding the highest permanent spring. The EPT index (number of EPT individuals and percentage of EPT individuals) and the BMWP/Colombia Index for macroinvertebrates …
Coral Species Distribution And Percent Cover Of Sessile Organisms On Protected And Non-Protected Coral Reefs In Digir, Buga, Dubbir, And Kanir Kinnidup, Guna Yala, Panama, Sarah Paulson
Independent Study Project (ISP) Collection
Coral reefs are the most productive, biodiverse ecosystems in the ocean despite covering only <.5% of the ocean floor. In today’s changing climate, coral reefs face a multitude of threats including ocean warming, coral bleaching, ocean acidification, overfishing, increasing human population, and coral mining, among others. One way to protect coral reefs is to establish a marine protected area to limit damage and contamination. This study aimed to examine coral species distribution as well as percent cover of sessile organisms and substrates including coral, fire coral, algae, and sponges on protected and non-protected reefs in order to attempt to analyze the effect of protection on coral reefs in Guna Yala, Panama. Based on the data collected, protected areas had higher algae cover (P<.01, df=107), lower coral cover (P<.0001, df=138), and a higher relative abundance of corals with a “weedy” life history such as Porites astreoides (P<.05, df=80). The data also showed that uninhabited islands tended to have significantly higher average coral cover (P<.0001, df=146) and lower average algae cover (P<.0001, df=161), as well as lower relative abundance of P. astreoides (P<.01, df=134). When the protected site sampled was compared to an unprotected site that was around the same island, the protected area was found to have higher coral cover (P<.01, df=71) and lower algae cover (P<.05, df=72) than the unprotected area. Ultimately, lack of human population and protected status were found to be positive factors for coral reef health, and future study should be done to further examine the relationship between these two factors.
An Ethnobotanical Examination Of Traditional Medicine In Ngezi Forest Reserve, Tyler Tsang
An Ethnobotanical Examination Of Traditional Medicine In Ngezi Forest Reserve, Tyler Tsang
Independent Study Project (ISP) Collection
Traditional medicine is an important aspect of the both the culture and health of communities worldwide. Ngezi Forest Reserve is a protected area on Pemba Island which is part of the Zanzibar Archipelago. This forest contains a wealth of botanical diversity which includes many species of medicinal plants. Traditional healers (waganga) use these medicinal plants to heal members of the community. Interviews and forest walks with these healers were supplemented by consultations with a botanist to determine medicinal value of the forest and the surrounding areas. In compiling information from 15 healers in the area, 98 species of medicinal plants …
Carbon Sequestration In The Cloud Forest: A Comparative Evaluation Of Aboveground Biomass Carbon Stock Potential In The Río Guajalito Reserve, Elli Mapstone
Independent Study Project (ISP) Collection
As carbon dioxide levels in the atmosphere continue to rise at a rapid rate, it is necessary to understand how forests can both contribute to CO2 levels but also stop them from rising. Carbon sequestration levels in tropical montane cloud forests are a relatively understudied topic. Gathering carbon stock levels is the first step necessary to start a REDD+ project. Carbon stock levels can be studied on a global, regional or local level. This study used the University of Oxford/ Global Ecosystems Monitoring Network (GEM) methodology to examine carbon sequestration levels of aboveground biomass, specifically ground litter, large branches …
Prey Naïveté And Predator-Prey Interactions Between Pterois Volitans, Pomacentridae, And Tetraodontidae In Two Reefs In The Guna Yala Archipelago, Panama, Jesse Garrett-Larsen
Prey Naïveté And Predator-Prey Interactions Between Pterois Volitans, Pomacentridae, And Tetraodontidae In Two Reefs In The Guna Yala Archipelago, Panama, Jesse Garrett-Larsen
Independent Study Project (ISP) Collection
The invasion of Pterois volitans along the Atlantic coast of the Americas is one of the top marine conservation issues of the century. Prey naïveté has been suggested as a mechanism for the success of P. volitans, but conclusive field observations have not been completed. This study tested for prey naïveté in situ by comparing time spent by Pomacentridae and Tetraodontidae in close proximity to P. volitans and a native predator, Cephalopholis cruentata. Difference in time spent by Pomacentridae and Tetraodontidae in the presence of the two predators was observed. The predators P. volitans and C. cruentata were sequentially observed …
Randomized Trial Of Interventions To Improve Childhood Asthma In Homes With Wood-Burning Stoves, Curtis W. Noonan, Erin O. Semmens, Paul Smith, Solomon W. Harrar, Luke Montrose, Emily Weiler, Marcy Mcnamara, Tony J. Ward
Randomized Trial Of Interventions To Improve Childhood Asthma In Homes With Wood-Burning Stoves, Curtis W. Noonan, Erin O. Semmens, Paul Smith, Solomon W. Harrar, Luke Montrose, Emily Weiler, Marcy Mcnamara, Tony J. Ward
Statistics Faculty Publications
BACKGROUND: Household air pollution due to biomass combustion for residential heating adversely affects vulnerable populations. Randomized controlled trials to improve indoor air quality in homes of children with asthma are limited, and no such studies have been conducted in homes using wood for heating.
OBJECTIVES: Our aims were to test the hypothesis that household-level interventions, specifically improved-technology wood-burning appliances or air-filtration devices, would improve health measures, in particular Pediatric Asthma Quality of Life Questionnaire (PAQLQ) scores, relative to placebo, among children living with asthma in homes with wood-burning stoves.
METHODS: A three-arm placebo-controlled randomized trial was conducted in homes with …
Trends In The Environmental Health Job Market For New Graduates, Jason W. Marion, Timothy J. Murphy Phd, Anne Marie Zimeri Phd
Trends In The Environmental Health Job Market For New Graduates, Jason W. Marion, Timothy J. Murphy Phd, Anne Marie Zimeri Phd
EKU Faculty and Staff Scholarship
The question of whether the job market can support future graduates of environmental health programs remains an important and difficult question for environmental health programs, current and prospective students, parents, and other stakeholders. Our previous report using 2014 data from the U.S. Bureau of Labor Statistics demonstrated anticipated growth and higher than average pay in the profession through at least 2022 for baccalaureate degree holders (Marion & Sinde, 2015). Growth in the profession does not necessarily translate into job availability if the market is saturated with job candidates. While university programs produce graduates, local health departments (LHDs) have suffered tremendous …
Lyme Disease And Youtube™: A Cross-Sectional Study Of Video Contents, Corey H. Basch, Lindsay A. Mullican, Kwanza D. Boone, Jingjing Yin, Alyssa Berdnik, Marina E. Eremeeva, Isaac Chun-Hai Fung
Lyme Disease And Youtube™: A Cross-Sectional Study Of Video Contents, Corey H. Basch, Lindsay A. Mullican, Kwanza D. Boone, Jingjing Yin, Alyssa Berdnik, Marina E. Eremeeva, Isaac Chun-Hai Fung
Environmental Health Sciences Faculty Publications
Objectives: Lyme disease is the most common tick-borne disease. People seek health information on Lyme disease from YouTubeTM videos. In this study, we investigated if the contents of Lyme disease-related YouTubeTM videos varied by their sources.
Methods: Most viewed English YouTubeTM videos (n = 100) were identified and manually coded for contents and sources.
Results: Within the sample, 40 videos were consumer-generated, 31 were internet-based news, 16 were professional, and 13 were TV news. Compared with consumer-generated videos, TV news videos were more likely to mention celebrities (odds ratio [OR], 10.57; 95% confidence interval [CI], 2.13–52.58), prevention of Lyme disease …
Full-Water Column Turbulence Parameterization Of Stratified Waters In Southern Lake Michigan, Kyla A. Prendergast, Cary D. Troy, David Cannon
Full-Water Column Turbulence Parameterization Of Stratified Waters In Southern Lake Michigan, Kyla A. Prendergast, Cary D. Troy, David Cannon
The Summer Undergraduate Research Fellowship (SURF) Symposium
Full water column mean flow and turbulence structure was characterized at two stratified locations in Lake Michigan (a. Muskegon, MI; b. Michigan City, IN) in order to better understand the filtration potential of invasive quagga mussels. Invasive quagga mussels in Lake Michigan are filter feeders and can dramatically alter clarity as well as the biological/chemical characteristics of the water column. This filtering capacity is highly contingent on turbulence characteristics throughout the water column, which is poorly understood in the Great Lakes. Using velocity, temperature, and turbulence data collected from these locations, the structure of the water column turbulence was modeled …
County-Level Cumulative Environmental Quality Associated With Cancer Incidence, Jyotsna S. Jagai, Lynne C. Messer, Kristen M. Rappazzo, Christine L. Gray, Shannon C. Grabich, Danelle T. Lobdell
County-Level Cumulative Environmental Quality Associated With Cancer Incidence, Jyotsna S. Jagai, Lynne C. Messer, Kristen M. Rappazzo, Christine L. Gray, Shannon C. Grabich, Danelle T. Lobdell
Institute for Sustainable Solutions Publications and Presentations
BACKGROUND: Individual environmental exposures are associated with cancer development; however, environmental exposures occur simultaneously. The Environmental Quality Index (EQI) is a county-level measure of cumulative environmental exposures that occur in 5 domains.
METHODS: The EQI was linked to county-level annual age-adjusted cancer incidence rates from the Surveillance, Epidemiology, and End Results (SEER) Program state cancer profiles. All-site cancer and the top 3 site-specific cancers for male and female subjects were considered. Incident rate differences (IRDs; annual rate difference per 100,000 persons) and 95% confidence intervals (CIs) were estimated using fixed-slope, random intercept multilevel linear regression models. Associations were assessed with …
The Comparative Cytotoxicity And Genotoxicity Of Hexavalent Chromium In Humans And Sea Turtles., Rachel M. Speer
The Comparative Cytotoxicity And Genotoxicity Of Hexavalent Chromium In Humans And Sea Turtles., Rachel M. Speer
Electronic Theses and Dissertations
Monitoring the health effects of environmental contaminants can be achieved using sentinel species as models. Leatherback sea turtles (Dermochelys coriacea) are an endangered marine species that may experience prolonged exposures to environmental contaminants including hexavalent chromium [Cr(VI)]. While Cr(VI) has been identified as a known human carcinogen, the health effects in marine species are poorly understood. In this study the cytotoxic and genotoxic effects of particulate and soluble Cr(VI) were assessed in leatherback lung cells and compared to those in human lung cells. Cr(VI) induced a concentration-dependent increase in cytotoxicity and genotoxicity in leatherback lung cells indicating Cr(VI) …
Expression Profiling Of Non-Coding Rna By Environmental Interactions In Innate Immunity, Jacob R. Longfellow
Expression Profiling Of Non-Coding Rna By Environmental Interactions In Innate Immunity, Jacob R. Longfellow
Electronic Theses and Dissertations
Cystic fibrosis (CF) is a genetic disorder that affects 30,000 people in the United States and currently has no cure. Although CF affects all of the body’s systems, it is largely characterized as a lung disease. CF is caused by a mutation in both copies of the gene for cystic fibrosis transmembrane conductance regulator (CFTR). A mutation in the CFTR gene leads to improper movement of chloride ions and water into the airways, which dysregulates the airway surface liquid volume and composition. Individuals with CF are prone to lung infections due to inefficient bacterial clearance and by the age of …