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Articles 1 - 30 of 87
Full-Text Articles in Medicine and Health Sciences
With Love, ; An Interdisciplinary And Intersectional Look At Why Creativity Is Essential, Theo Starr Gardner
With Love, ; An Interdisciplinary And Intersectional Look At Why Creativity Is Essential, Theo Starr Gardner
Whittier Scholars Program
My Whittier Scholars Program self-designed major, Teaching Creativity, is a mixture of Art, Literature, and Education classes. My research and praxis classes have been focused on the ‘how?’s and 'why?’s of creativity, so it felt only right that my project should be a constructivist, generative project. The project I have been working on throughout my time at Whittier, and that has just fully come to fruition on April 11th, 2024, was a solo art gallery/open mic event entitled ‘With Love,’. With Love, was conceptually inspired by the research I’ve conducted on creativity and creative arts education over the past few …
Investigating Optimal Laboratory Growth Conditions Of Gracilibacillus Halotolerans In Media Supplemented With Salt, Isaac Young
Investigating Optimal Laboratory Growth Conditions Of Gracilibacillus Halotolerans In Media Supplemented With Salt, Isaac Young
Annual Research Symposium
As interest continues to grow in the field of persister cells and their morphology, there arises an ever-evolving desire to further understand specific strains of bacteria that exemplify the qualities of seemingly anomalous survival regardless of anti-bacterial treatment. In the case of the Gracilibacillus halotolerans, a halotolerant extremophile extracted from the Great Salt Lake with known persistent characteristics, uncovering its optimal growth conditions was essential for future investigations. Identifying the optimal salinity for the growth of G. halotolerans will allow us to standardize our growth methods, uncover several mechanisms of saline tolerance, and add to future investigations of persistence with …
Du Undergraduate Showcase: Research, Scholarship, And Creative Works, Caitlyn Aldersea, Justin Bravo, Sam Allen, Anna Block, Connor Block, Emma Buechler, Maria De Los Angeles Bustillos, Arianna Carlson, William Christensen, Olivia Kachulis, Noah Craver, Kate Dillon, Muskan Fatima, Angel Fernandes, Emma Finch, Colleen Cassidy, Amy Fishman, Andrea Francis, Stacia Fritz, Simran Gill, Emma Gries, Rylie Hansen, Shannon Powers, Jacqueline Martinez, Zachary Harker, Ashley Hasty, Mykaela Tanino-Springsteen, Kathleen Hopps, Adelaide Kerenick, Colin Kleckner, Ci Koehring, Elijah Kruger, Braden Krumholz, Maddie Leake, Lyneé Alves, Seraphina Loukas, Yatzari Lozano Vazquez, Haley Maki, Emily Martinez, Sierra Mckinney, Mykaela Tanino-Springsteen, Audrey Mitchell, Kipling Newman, Audrey Ng, Megan Lucyshyn, Andrew Nguyen, Stevie Ostman, Casandra Pearson, Alexandra Penney, Julia Gielczynski, Tyler Ball, Anna Rini, Christina Rorres, Simon Ruland, Helayna Schafer, Emma Sellers, Sarah Schuller, Claire Shaver, Kevin Summers, Isabella Shaw, Madison Sinar, Claudia Pena, Apshara Siwakoti, Carter Sorensen, Madi Sousa, Anna Sparling, Alexandra Revier, Brandon Thierry, Dylan Tyree, Maggie Williams, Lauren Wols
Du Undergraduate Showcase: Research, Scholarship, And Creative Works, Caitlyn Aldersea, Justin Bravo, Sam Allen, Anna Block, Connor Block, Emma Buechler, Maria De Los Angeles Bustillos, Arianna Carlson, William Christensen, Olivia Kachulis, Noah Craver, Kate Dillon, Muskan Fatima, Angel Fernandes, Emma Finch, Colleen Cassidy, Amy Fishman, Andrea Francis, Stacia Fritz, Simran Gill, Emma Gries, Rylie Hansen, Shannon Powers, Jacqueline Martinez, Zachary Harker, Ashley Hasty, Mykaela Tanino-Springsteen, Kathleen Hopps, Adelaide Kerenick, Colin Kleckner, Ci Koehring, Elijah Kruger, Braden Krumholz, Maddie Leake, Lyneé Alves, Seraphina Loukas, Yatzari Lozano Vazquez, Haley Maki, Emily Martinez, Sierra Mckinney, Mykaela Tanino-Springsteen, Audrey Mitchell, Kipling Newman, Audrey Ng, Megan Lucyshyn, Andrew Nguyen, Stevie Ostman, Casandra Pearson, Alexandra Penney, Julia Gielczynski, Tyler Ball, Anna Rini, Christina Rorres, Simon Ruland, Helayna Schafer, Emma Sellers, Sarah Schuller, Claire Shaver, Kevin Summers, Isabella Shaw, Madison Sinar, Claudia Pena, Apshara Siwakoti, Carter Sorensen, Madi Sousa, Anna Sparling, Alexandra Revier, Brandon Thierry, Dylan Tyree, Maggie Williams, Lauren Wols
DU Undergraduate Research Journal Archive
DU Undergraduate Showcase: Research, Scholarship, and Creative Works
Evaluating Edna Metabarcoding As A Mic-Roe-Scopic Net To Catch Salmon Pathogens, Noah Burby
Evaluating Edna Metabarcoding As A Mic-Roe-Scopic Net To Catch Salmon Pathogens, Noah Burby
Honors College
Wild Atlantic salmon in the Gulf of Maine (GOM) is a Distinct Population Segment (DPS) that has been listed since 2000 as endangered by the U.S. Fish and Wildlife Service (USFWS) and the National Oceanic and Atmospheric Administration (NOAA). The current challenge is year-over-year decreases in the number of mature salmon returning to the Penobscot River for reproduction. Early detection of pathogen presence could allow for the identification of infection and the application of corrective measures. Environmental DNA (eDNA) is simply DNA that is collected from environmental samples (e.g., water, air, and soils), which consists of whole microorganisms and genetic …
Air Pollution In South Texas: A Short Communication Of Health Risks And Implications, Sai Deepak Pinakana, Esmeralda Mendez, Ismaila Ibrahim, Md. Salahuddin Majumder, Amit U. Raysoni
Air Pollution In South Texas: A Short Communication Of Health Risks And Implications, Sai Deepak Pinakana, Esmeralda Mendez, Ismaila Ibrahim, Md. Salahuddin Majumder, Amit U. Raysoni
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
Air pollution is a major public health concern. The region of South Texas in the United States has experienced high levels of air pollution in recent years due to an increase in population, cross-border trade between the U.S.A. and Mexico, and high vehicular activity. This review assesses the relationships between human health and air pollution in South Texas. A thorough scientific search was performed using PubMed, Science Direct, and ProQuest, with most of the literature focusing on the source apportionment of particulate matter that is 2.5 microns or less in width (PM2.5), Carbon Dioxide (CO2), carbon monoxide (CO), Black Carbon …
Marineepi: A Gui-Based Matlab Toolbox To Simulate Marine Pathogen Transmission, Gorka Bidegain, Tal Ben-Horin, Eric N. Powell, John M. Klinck, Eileen E. Hofmann
Marineepi: A Gui-Based Matlab Toolbox To Simulate Marine Pathogen Transmission, Gorka Bidegain, Tal Ben-Horin, Eric N. Powell, John M. Klinck, Eileen E. Hofmann
CCPO Publications
The Graphical User Interface (GUI) MarineEpi is presented as a Matlab toolbox for easily (i) constructing disease transmission models for different marine host-pathogen systems, (ii) running simulations by specifying initial conditions and model parameters, and (iii) interpreting the resulting time series of the host and pathogen population dynamics. MarineEpi users can generate models for systems in which pathogen transmission occurs through contact with infected individuals (SI), contact with dead infected individuals (SID), contact with environmental pathogens released by infected individuals (SIP), and contact with environmental pathogens released by dead infected individuals (SIPD). MarineEpi is a freely available GUI that provides …
Porifera: Biology And Medicinal Properties, Emma L. Rayfield
Porifera: Biology And Medicinal Properties, Emma L. Rayfield
Undergraduate Honors Theses
The focus of this thesis is the possibility of oceanic medicine through understanding the general biology of poriferans, their symbionts, medicinal properties, and how we could harvest sponges conservatively. It was necessary to understand the basic biology of poriferans regarding their structures, differences in their classes, and how they obtain nutrition, develop, and reproduce. The ecology of the poriferans was also researched including their larval and sessile stages and how their environment determines where they settle. Additionally, ecology was examined including how poriferans interact with symbionts and other organisms. This then was utilized to seek whether poriferans had useful medical …
A Short Introduction To Marine Parasitology: Marine Parasites Of Economic And Medical Importance, Klaus Rohde, Robin M. Overstreet
A Short Introduction To Marine Parasitology: Marine Parasites Of Economic And Medical Importance, Klaus Rohde, Robin M. Overstreet
Concepts in Animal Parasitology Textbook
Introduction
Parasitism, in this chapter, is defined as “a close association of two organisms, in which one—the parasite—depends on the other—the host—deriving some benefit from it. The benefit is often food” (Rohde, 2005b). Many bacteria, viruses, and fungi are parasitic but usually not studied by parasitologists sensu stricto; they are the domain of microbiologists. Parasites as defined here do not always harm their host; the border between so-called genuine parasites and other symbionts such as commensals is often blurred, and investigators who work on disease aspects tend to emphasis the pathogenic aspects and may not consider non-pathogenic species as truly …
Biophysical Interactions Control The Progression Of Harmful Algal Blooms In Chesapeake Bay: A Novel Lagrangian Particle Tracking Model With Mixotrophic Growth And Vertical Migration, Jilian Xiong, Jian Shen, Qubin Qin, Michelle C. Tomlinson, Yinglong J. Zhang, Xun Cai, Fei Yi, Linlin Cui, Margaret R. Mulholland
Biophysical Interactions Control The Progression Of Harmful Algal Blooms In Chesapeake Bay: A Novel Lagrangian Particle Tracking Model With Mixotrophic Growth And Vertical Migration, Jilian Xiong, Jian Shen, Qubin Qin, Michelle C. Tomlinson, Yinglong J. Zhang, Xun Cai, Fei Yi, Linlin Cui, Margaret R. Mulholland
OES Faculty Publications
Climate change and nutrient pollution contribute to the expanding global footprint of harmful algal blooms. To better predict their spatial distributions and disentangle biophysical controls, a novel Lagrangian particle tracking and biological (LPT-Bio) model was developed with a high-resolution numerical model and remote sensing. The LPT-Bio model integrates the advantages of Lagrangian and Eulerian approaches by explicitly simulating algal bloom dynamics, algal biomass change, and diel vertical migrations along predicted trajectories. The model successfully captured the intensity and extent of the 2020 Margalefidinium polykrikoides bloom in the lower Chesapeake Bay and resolved fine-scale structures of bloom patchiness, demonstrating a reliable …
Reducing Plastic Pollution In The Ocean: Mycobuoys As A Potential Solution, Sue S. Van Hook
Reducing Plastic Pollution In The Ocean: Mycobuoys As A Potential Solution, Sue S. Van Hook
Maine Policy Review
Natural mushroom mycelium-based MycoBuoys are an alternative to ubiquitous plastic flotation devices used in Maine aquaculture, fisheries and harbors. They fit perfectly into a circular economic model where natural resources are borrowed for a specific purpose and are returned as elements at the end of product life. MycoBuoys may be composted or used as mulch where 100% of the material enhances soil nutrients upon decomposition. In contrast to this cradle-to-cradle product, currently ubiquitous Stryofoam buoys have expensive end life costs in terms of ecosystem and organismal health consequences. Styrene is a known carcinogen, and the foam particles degrade into smaller …
Identification Of Novel Biosynthetic Gene Clusters Encoding For Polyketide/Nrps-Producing Chemotherapeutic Compounds From Marine-Derived Streptomyces Hygroscopicus From A Marine Sanctuary, Hannah Ruth Flaherty
Identification Of Novel Biosynthetic Gene Clusters Encoding For Polyketide/Nrps-Producing Chemotherapeutic Compounds From Marine-Derived Streptomyces Hygroscopicus From A Marine Sanctuary, Hannah Ruth Flaherty
Honors Theses and Capstones
Nearly one out of six deaths in 2020, around ten million people, were caused by cancer, making it a leading cause of death worldwide (WHO, 2022). This major public health issue, in addition to the rise of multidrug-resistant (MDR) pathogens, provides a high demand for the discovery of new pharmaceutical drugs to be used clinically to treat these conditions. The Streptomyces genus accounts to produce 39% of all microbial metabolites currently approved for human health, indicating its potential as an important species to study for antimicrobial and anticancer agents. The long linear genome of Streptomyces contains specialized sequences known as …
Nexus Between Animal Welfare, Environment, And Sustainable Development: Resource Document, Wellbeing International
Nexus Between Animal Welfare, Environment, And Sustainable Development: Resource Document, Wellbeing International
Nexus – UNEP – Animal Welfare, Environment, Sustainable Development
This Resource Document has been developed to explore the Nexus (links) between Animal Welfare, the Environment, and Sustainable Development. The document includes relevant citations and reports addressing the topics encompassed by the Nexus. It will be maintained as a “living document” (subject to revision) in the WellBeing International Studies Repository. The original document and subsequent revisions will be kept in the Repository to provide a record of the changes.
Cilia Proteins Are Biomarkers Of Altered Flow In The Vasculature, Ankan Gupta, Karthikeyan Thirugnanam, Madhan Thamilarasan, Ashraf M. Mohieldin, Hadeel T. Zedan, Shubhangi Prabhudesai, Meghan R. Griffin, Andrew D. Spearman, Amy Pan, Sean P. Palecek, Huseyin C. Yalcin, Surya M. Nauli, Kevin R. Rarick, Rahima Zennadi, Ramani Ramchandran
Cilia Proteins Are Biomarkers Of Altered Flow In The Vasculature, Ankan Gupta, Karthikeyan Thirugnanam, Madhan Thamilarasan, Ashraf M. Mohieldin, Hadeel T. Zedan, Shubhangi Prabhudesai, Meghan R. Griffin, Andrew D. Spearman, Amy Pan, Sean P. Palecek, Huseyin C. Yalcin, Surya M. Nauli, Kevin R. Rarick, Rahima Zennadi, Ramani Ramchandran
Pharmacy Faculty Articles and Research
Cilia, microtubule-based organelles that project from the apical luminal surface of endothelial cells (ECs), are widely regarded as low-flow sensors. Previous reports suggest that upon high shear stress, cilia on the EC surface are lost, and more recent evidence suggests that deciliation—the physical removal of cilia from the cell surface—is a predominant mechanism for cilia loss in mammalian cells. Thus, we hypothesized that EC deciliation facilitated by changes in shear stress would manifest in increased abundance of cilia-related proteins in circulation. To test this hypothesis, we performed shear stress experiments that mimicked flow conditions from low to high shear stress …
An Antimicrobial Polydopamine Surface Coating To Reduce Biofouling On Telemetry Tags Used In Marine Conservation Practices, Ariana Smies
An Antimicrobial Polydopamine Surface Coating To Reduce Biofouling On Telemetry Tags Used In Marine Conservation Practices, Ariana Smies
Dissertations, Master's Theses and Master's Reports
Satellite telemetry tags are used to track the migration patterns of large cetaceans. These tags penetrate the dermis and remain embedded in the underlying blubber tissue. As the dermis of cetaceans is host to a diverse microbiome, and it is impossible to clean the skin before implanting the devices, the potential for infection is increased when the tags penetrate through the skin. H2O2 is a potential antimicrobial agent that, in addition to showing broad-spectrum efficacy against gram-negative and gram-positive bacteria, can promote wound healing outcomes by promoting proliferative factors and peptides that protect against oxidative stress. However, …
Hospital Effluents And Wastewaters Treatment Plants: A Source Of Oxytetracycline And Antimicrobial-Resistant Bacteria In Seafood, Bozena Mccarthy, Samuel Obeng Apori, Michelle Giltrap, Abhijnan Bhat, James Curtin, Furong Tian
Hospital Effluents And Wastewaters Treatment Plants: A Source Of Oxytetracycline And Antimicrobial-Resistant Bacteria In Seafood, Bozena Mccarthy, Samuel Obeng Apori, Michelle Giltrap, Abhijnan Bhat, James Curtin, Furong Tian
Articles
The present study employs a data review on the presence and aggregation of oxytetracycline (OTC) and resistance (AMR) bacteria in wastewater treatment plants (WWTPs), and distribution of the contaminated effluent with the aid of shallow and deep ocean currents. The study aims to determine the fate of OTC, AMR bacteria in seafood, and demonstrate a relationship between AMR levels and human health. This review includes (1) OTC, (2) AMR bacteria, (3) heavy metals in aquatic environments, and their relationship. Few publications describe OCT in surface waters. Although, OTC and other tetracyclines were found in 10 countries in relatively low concentrations, …
Comparative Genomics Methods And Applications, Emily N. Alden
Comparative Genomics Methods And Applications, Emily N. Alden
Biomedical Sciences ETDs
Virtually all fields of biology have benefited from the advancements in comparative genomics technologies, specifically in the study of evolution. In this dissertation I develop and use comparative genomic technologies to investigate the novel SARS-CoV-2 virus, assembly the first genome of the black lace domestic angelfish and identify germline genetic variants associated with altered breast cancer-specific survival. Our genome tiling array for the novel coronavirus presents a rapid and cost-effective method to sequence the entire viral genome and can be used to track the rapid evolution of viral variants in the population. The domestic angelfish is a member of the …
Assessment Of Potential Measures At Admit Of Harbor Seal Pup Rehabilitation Success, Shannon Brown
Assessment Of Potential Measures At Admit Of Harbor Seal Pup Rehabilitation Success, Shannon Brown
Honors College
Harbor seals frequently strand along the northeast coast of the United States due to injury, illness, disease, and human interaction. In Maine, a non-profit organization, Marine Mammals of Maine (MMoME), is federally authorized to respond to these stranded animals and provide short-and long-term rehabilitation, with the ultimate aim to release the seals back into the wild. I investigated the role of multiple potential measures of marine mammal health that are evaluated at admit in determining rehabilitation success of dependent and weaned harbor seal pups from 2016 to 2019. The variables assessed were the day of the year the patients were …
Compilation And Review Of Sea Turtle Rehabilitation Protocols And Career Guidance From Conservation Professionals In The Eastern United States, Kelsey Davis
Honors College
Seven species of sea turtle are found on earth and all are either threatened or endangered. Unfortunately, these animals are under duress due to numerous anthropogenic causes. The increasing concentrations of greenhouse gases in our atmosphere has led to extreme global weather fluctuations, which leads to the cold stunning events seen among turtles in the north eastern United States every year. Illegal fishing practices and illegal boating lead to severe and critical injuries. Coastal development destroys integral nesting grounds. The rehabilitation of sea turtles is one solution to the preservation and conservation of these species. This thesis analyzes current rehabilitation …
Covid-19_Umaine News_New International Study Shows Alternative Seafood Networks Provided Resilient Diversity During Pandemic, University Of Maine Division Of Marketing And Communications
Covid-19_Umaine News_New International Study Shows Alternative Seafood Networks Provided Resilient Diversity During Pandemic, University Of Maine Division Of Marketing And Communications
Division of Marketing & Communications
Screenshot of UMaine News press release regarding a University of Maine study into the need for greater functional diversity in supply chains led by Joshua Stoll, assistant professor of.marine policy at the University of Maine.
Occurrence Of Pulmonary Arteritis With Lungworm Infections In Gray Seals From New England, 2013-2020, Jillian R. Broadhurst, Inga Sidor Dvm, Ms, Dacvp
Occurrence Of Pulmonary Arteritis With Lungworm Infections In Gray Seals From New England, 2013-2020, Jillian R. Broadhurst, Inga Sidor Dvm, Ms, Dacvp
Honors Theses and Capstones
Gray seals (Halichoerus grypus) are a common pinniped species in New England coastal waters. Parasitic infection is an important cause of mortality for this species, and lungworm species are frequently implicated in cases of respiratory infection, especially in pups and weanling seals. The most common of these is Otostrongylus circumlitus, a large nematode found in the bronchi and bronchioles of affected seals. The full life cycle is unknown but its presence in lungs and sometimes pulmonary arteries suggests that migration via arterial circulation occurs. Signs and microscopic findings are widely variable; our cases included dyspnea, bloody mucoid …
Covid-19_Umaine News_Marine Science Course Connects Distant Students Of Sustainability Science, University Of Maine Division Of Marketing And Communications
Covid-19_Umaine News_Marine Science Course Connects Distant Students Of Sustainability Science, University Of Maine Division Of Marketing And Communications
Division of Marketing & Communications
Screenshot of UMaine News release regarding Marine science course connecting distant students of sustainability science.
Multi-Generational Effects Of ∆9-Tetrahydrocannabinol Exposure On Gene Expression In Liver Tissue, Kayla Lovitt
Multi-Generational Effects Of ∆9-Tetrahydrocannabinol Exposure On Gene Expression In Liver Tissue, Kayla Lovitt
Honors Theses
Cannabis is the most commonly used, cultivated, and trafficked illicit drug worldwide. Increased availability and acceptance of cannabis and cannabinoid-containing products provide the necessity for understanding how these substances influence aging. In this study, zebrafish (Danio rerio) were exposed to concentrations of Δ9-tetrahydrocannabinol (THC) (0.08, 0.4, 2 µM) during embryonic-larval development, the effects on aging were measured 30 months later and in the offspring of the exposed fish (F1 generation. We observed results indicating a biphasic and hormetic effect. Treatment with the lowest concentration of THC significantly increased egg production, while higher concentrations resulted in impaired …
A Biogeographical Assessment Of Arctic Marine Fungi, Bentley E. Simpson
A Biogeographical Assessment Of Arctic Marine Fungi, Bentley E. Simpson
Honors College
Marine fungi play a crucial role in recycling nutrients and channeling energy to higher trophic levels in the world oceans. Despite their critical role, their distributions and community composition, particularly in the Arctic, are largely unknown. This study reveals depth-related trends of abundance, diversity, and community composition of Arctic marine fungi through analysis of data obtained in the Tara Oceans expedition. With samples from surface (0-50 m), deep chlorophyll max (50-200 m), and mesopelagic (200-1000 m) depths, relative abundance, operational taxonomic unit (OTU) richness, and diversity were found to increase as a function of depth. Basidiomycota and Ascomycota were found …
How Can We Change Gut Microbiota For Healthy Lives?, Elizaveta Shmakova
How Can We Change Gut Microbiota For Healthy Lives?, Elizaveta Shmakova
Scientific Communication News
No abstract provided.
Lobster Institute_Covid-19 Public Health Links Webpage, University Of Maine Lobster Institute
Lobster Institute_Covid-19 Public Health Links Webpage, University Of Maine Lobster Institute
Lobster Institute
Screenshot of University of Maine's Lobster Institute webpage with guidance regarding lobster fishing during the COVID-19 pandemic.
Lobster Institute_Covid-19 Related Articles Webpage, University Of Maine Lobster Institute
Lobster Institute_Covid-19 Related Articles Webpage, University Of Maine Lobster Institute
Lobster Institute
Screenshot of University of Maine's Lobster Institute webpage with articles regarding lobster fishing during the COVID-19 pandemic.
Scientific Diving_Diving Operations: Covid-19, Christopher Riguad
Scientific Diving_Diving Operations: Covid-19, Christopher Riguad
Teaching, Learning & Research Documents
Diving operations for University of Maine Scientific Diving during the COVID-19 pandemic from Christopher Rigaud, UMaine Diving Operations Manager.
Variability In Antibacterial Activity In The Caribbean Sponge Amphimedon Compressa, Mackenzie Reilly
Variability In Antibacterial Activity In The Caribbean Sponge Amphimedon Compressa, Mackenzie Reilly
Honors Theses
Coral reefs are essential ecosystems that provide an abundance of natural resources. Sponges, common reef inhabitants, produce a diversity of secondary metabolites that are known to serve as chemical defenses. Secondary metabolites often have ecological functions, such as antipredator and antibacterial activities. I studied the common Caribbean sponge species, Amphimedon compressa, which is known to be chemically defended. Samples were collected from three sites in Belize, two sites in Grand Cayman, and three sites in St. Croix, U.S. Virgin Islands. To determine whether antibacterial activity varied across broad or local geographic scales, sponge extracts were tested against four bacterial strains …
Incidence And Prevalence Of Francisella Noatunensis Subsp. Orientalis (Fno) Pathogenic Infections In Feral Hawaiian Tilapia, Daquille Peppers
Incidence And Prevalence Of Francisella Noatunensis Subsp. Orientalis (Fno) Pathogenic Infections In Feral Hawaiian Tilapia, Daquille Peppers
Biology Theses
Aquaculture has become a major food source for many countries and continues to grow each year. However, many of the fishes that are farmed are susceptible to pathogenic infections such as Francisellosis, a bacterial infection that contributes to disease and high mortality rate in many populations of farmed and wild fish around the world. In 1994, feral and farmed populations of tilapia (e.g. Oreochromis mossambicus) on Oahu, Hawaii were found to be infected with a novel Francisellosis strain, Francisella noatunensis subsp. orientalis (Fno). To prevent the spread of this pathogen, the Hawaii Department of Aquaculture (HDOA) initiated …
Sunscreen Efficacy By Chemical Composition And Its Effect On Aquatic Life, Taylor Yates
Sunscreen Efficacy By Chemical Composition And Its Effect On Aquatic Life, Taylor Yates
Student Writing
Sunscreen provides protection against skin cancer by reducing UV exposure to the skin. Active ingredients come in two basic forms, chemical and mineral; ongoing research indicates that some active ingredients in sunscreen are harmful to marine life. This study is an analysis of chemical and mineral SPF 30 sunscreens to determine which provides the highest efficacy for skin protection while also providing the lowest toxicity to aquatic organisms. Sunscreen efficacy was tested by exposing photoreactive chemical paper applied with chemical and mineral sunscreens to the sun. Results of the photo effect paper trial showed a wide variation in the efficacy …