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Articles 931 - 960 of 8068
Full-Text Articles in Entire DC Network
Understanding The Fate And Transport Of Per- And Polyfluoroalkyl Substances In Wastewater Systems: A New England Perspective, Sydney Kathleen Adams
Understanding The Fate And Transport Of Per- And Polyfluoroalkyl Substances In Wastewater Systems: A New England Perspective, Sydney Kathleen Adams
Master's Theses and Capstones
This thesis explores the story of per- and polyfluoroalkyl substances (PFAS) in New England wastewater systems. PFAS compounds, known for their environmental persistence, toxic nature, and heavy integration into our daily lives, has recently become an infamous topic in environmental engineering due to the discovery of contaminated agricultural lands, water resources, and food systems. In response to these daunting discoveries, regulators have begun looking to reduce point source pollution of PFAS, including that of wastewater systems and facilities. As conduits of PFAS, wastewater systems funnel PFAS from industrial, commercial, and residential sources and emit them into the environment via aqueous …
Seasonal Variability Of Phytoplankton Population Dynamics In Coastal New Hampshire, Molly Erickson
Seasonal Variability Of Phytoplankton Population Dynamics In Coastal New Hampshire, Molly Erickson
Master's Theses and Capstones
Phytoplankton population dynamics are significant indicators of ecosystem health and marine food web structure. Phytoplankton population dynamics are also highly variable, especially within complex coastal ocean systems. To capture temporal phytoplankton population dynamics, a weekly time series measuring temperature, salinity, tide height, chlorophyll a concentration, nutrients, and phytoplankton biodiversity was performed at two sites in New Hampshire over an annual cycle. Despite being geographically close in proximity, the coastal and estuarine locations were very different in terms of blooming periods, community composition, and ecological factors. Phytoplankton blooms occurred at least once each season on the coast, consisting of Rhizosolenia sp., …
Studies Toward Synthesis Of A Protected Derivative Of L-Enduracididine Via C-H Activation, Iram Muzaffar
Studies Toward Synthesis Of A Protected Derivative Of L-Enduracididine Via C-H Activation, Iram Muzaffar
Master's Theses and Capstones
Over the years bacteria have developed resistance against antibiotics. Overuse and misuse of antibiotics is one of the main reasons of this increased bacterial resistance. A recently discovered peptide antibiotic known as teixobactin has shown potent activity against Gram-positive bacteria including methicillin-resistant Staphylococcus. aureus (MRSA), Mycobacterium tuberculosis, and vancomycin-resistant enterococci, (VRE). The structure of teixobactin consists of several uncommon amino acids including D-amino-acids and L-allo-enduracididine. L-allo-Enduracididine is a unique amino acid residue consisting of a 5-membered guanidine ring, which offers a great challenge for its synthesis. Most of the reported syntheses of L-allo-enduracididine are lengthy and consist of a lack …
Fungal Fruiting And Dispersal Following Timber Harvest, Benjamin William Borgmann-Winter
Fungal Fruiting And Dispersal Following Timber Harvest, Benjamin William Borgmann-Winter
Master's Theses and Capstones
Forest-dwelling fungi are critical to ecosystem function in their roles as decomposers and nutrient cyclers, food sources, pathogens, and mycorrhizal symbionts. In northern New England, a region with a substantial timber industry, the degree to which fungal communities are resilient to timber harvest, as well as their ability to recolonize post-disturbance, may impact ecosystem function and forest regeneration. In this thesis, we investigate the impacts of (1) timber harvest on fungal fruiting, an important element of fungal reproduction, and (2) the dispersal mechanisms by which fungi may re-colonize harvested areas. In Chapter 1, we investigate the impact of timber harvest …
Gli3 And P300: Modulating Inflammatory Cytokine Production In Monocytes, Storm Devin Gardner
Gli3 And P300: Modulating Inflammatory Cytokine Production In Monocytes, Storm Devin Gardner
Master's Theses and Capstones
GLI3 is an important protein traditionally found in the Sonic Hedgehog pathway. It is involved in numerous events that take place during embryogenesis such as the differentiation and patterning of cells in the body. Monocytes are important innate immune cells which infiltrate the site of inflammation when a pathogen invades our body. Gli3 has also been shown to be upregulated in monocytes following pathogen stimulation, suggesting Gli3 could have an important role in mediating the release of inflammatory signals known as cytokines. The histone acetylase protein p300 traditionally acetylates histones to epigenetically modify them to allow DNA unwinding and subsequently …
Improving Larval And Juvenile Lumpfish, Cyclopterus Lumpus, Aquaculture: Nutrition And Growing Conditions, Nathaniel Spada
Improving Larval And Juvenile Lumpfish, Cyclopterus Lumpus, Aquaculture: Nutrition And Growing Conditions, Nathaniel Spada
Master's Theses and Capstones
Salmonids play a major role in aquaculture globally and their production is expected to increase as the human population rises and wild fish stocks decline. Sea lice infestation is the largest economic burdens to salmonid net pen aquaculture with hundreds-of-millions of dollars lost due to the treatment, labor, and loss of biomass associated with these parasitic copepods. Chemotherapeutics were originally used to treat these infestations, but their effects on nontarget species resulted in them being banned in many countries. Many salmonid farmers now utilize cleanerfish technology to resolve this financial stressor. Lumpfish (Cyclopterus lumpus) are efficient delousers in salmonid aquaculture …
Uv Sulfite Advanced Reduction Process For Pfos Transformation In Wastewater Treatment, Cassidy Rae Yates
Uv Sulfite Advanced Reduction Process For Pfos Transformation In Wastewater Treatment, Cassidy Rae Yates
Master's Theses and Capstones
Most nutrients and contaminants within municipal wastewaters are removed through physical, chemical, and biological treatment methods. Per- and polyfluoroalkyl substances (PFAS) are a class of contaminants of emerging concern (CECs) that are concentrated in wastewater treatment facilities (WWTFs) from municipal, industrial, and commercial sources in communities. PFAS are poorly removed in conventional municipal wastewater treatment because these facilities are generally not designed for treatment of low-level CECs. Some PFAS leave WWTFs through aqueous effluent, while others partition to solids and are handled in sludges due to properties based on the degree of fluorination, chain length, and headgroup. As the last …
Larval Assessment And Infection Etiology Of Cultivated And Wild Eastern Oysters, Crassostrea Virginica, Of Great Bay Estuary, Nh, Alyssa Stasse
Larval Assessment And Infection Etiology Of Cultivated And Wild Eastern Oysters, Crassostrea Virginica, Of Great Bay Estuary, Nh, Alyssa Stasse
Master's Theses and Capstones
Eastern oyster, Crassostrea virginica, populations have been declining steadily over the past several decades across the North American east coast. Great Bay Estuary (GBE), located in New Hampshire, is experiencing this loss and restoration efforts have been put into effect. This work addresses restoration needs by characterizing abundances of settled spat and two early stages of C. virginica, D-hinge and veliger, in GBE from June 2020 through November 2020. Abundances are compared based on the collection site and the physicochemical data recorded on each sampling date. It was found that there were no differences in larval abundance at different sites …
Research Report: High Tunnel Tomato Fruit Cluster Pruning, Caterina Roman, Rebecca G. Sideman
Research Report: High Tunnel Tomato Fruit Cluster Pruning, Caterina Roman, Rebecca G. Sideman
Faculty Publications
Tomatoes are a high value crop grown worldwide. Indeterminate varieties are commonly grown in high tunnel structures throughout New England for the fresh market. Indeterminate tomato plants often suffer from a phenomenon called ‘June drop’ in which the plant’s first four to five cluster of fruit set perfectly but the subsequent two to three clusters have poor set and plant productivity drops suddenly. While cluster thinning (e.g., reducing the number of fruit allowed to mature per cluster) has been successfully shown to increase fruit size, it has generally not increased marketable yield. We hypothesized that reducing the fruit load by …
Soil Volatile Organic Compound Emissions In Response To Soil Warming And Nitrogen Deposition, A. L. Romero-Olivares, C. L. Davie-Martin, M. Kramshoj, R. Rinnan, Serita D. Frey
Soil Volatile Organic Compound Emissions In Response To Soil Warming And Nitrogen Deposition, A. L. Romero-Olivares, C. L. Davie-Martin, M. Kramshoj, R. Rinnan, Serita D. Frey
Faculty Publications
Biogenic volatile organic compounds (VOCs) play crucial roles in ecosystems at multiple scales, ranging from mediating soil microbial interactions to contributing to atmospheric chemistry. However, soil VOCs and how they respond to environmental change remains understudied. We aimed to assess how 2 abiotic global change drivers, soil warming and simulated nitrogen (N) deposition, impact soil VOC emissions over time in a temperate forest. We characterized the effect of warming, N deposition, and their interaction on the composition and emissions of soil VOCs during the growing season of 2 consecutive years. We found that chronic warming and N deposition enhanced total …
Office Of Research, Economic Engagement And Outreach Update, April 20, 2022, Office Of Research, Economic Engagement And Outreach
Office Of Research, Economic Engagement And Outreach Update, April 20, 2022, Office Of Research, Economic Engagement And Outreach
Office of Research, Economic Engagement and Outreach
No abstract provided.
Winds Of Change, Rebecca Irelan
Controls On Buffering And Coastal Acidification In A Temperate Estuary, Christopher W. Hunt, Joseph Salisbury, Douglas Vandemark
Controls On Buffering And Coastal Acidification In A Temperate Estuary, Christopher W. Hunt, Joseph Salisbury, Douglas Vandemark
Faculty Publications
Estuaries may be uniquely susceptible to the combined acidification pressures of atmospherically driven ocean acidification (OA), biologically driven CO2 inputs from the estuary itself, and terrestrially derived freshwater inputs. This study utilized continuous measurements of total alkalinity (TA) and the partial pressure of carbon dioxide (pCO2) from the mouth of Great Bay, a temperate northeastern U.S. estuary, to examine the potential influences of endmember mixing and biogeochemical transformation upon estuary buffering capacity (β–H). Observations were collected hourly over 28 months representing all seasons between May 2016 and December 2019. Results indicated that endmember mixing explained most of the observed variability …
Genomic Time Machine, Beth Potier
Campus Compact For New Hampshire Names 2022 Presidents’ Awards Recipients, Kassidy Taylor
Campus Compact For New Hampshire Names 2022 Presidents’ Awards Recipients, Kassidy Taylor
UNH Today Archive
No abstract provided.
Office Of Research, Economic Engagement And Outreach Update, April 6, 2022, Office Of Research, Economic Engagement And Outreach
Office Of Research, Economic Engagement And Outreach Update, April 6, 2022, Office Of Research, Economic Engagement And Outreach
Office of Research, Economic Engagement and Outreach
No abstract provided.
Convergence: Eos News And Updates, April 2022, Unh Institute For The Study Of Earth, Oceans And Space
Convergence: Eos News And Updates, April 2022, Unh Institute For The Study Of Earth, Oceans And Space
Convergence: EOS News and Updates
No abstract provided.
Electricity In The Brain: Exploring Research Methods In Neuroscience, Vladimir Tkachev
Electricity In The Brain: Exploring Research Methods In Neuroscience, Vladimir Tkachev
Inquiry Journal Spring 2022
Every person at some point in their life wonders how exactly their brains work to create their thoughts, emotions, and experiences. Neuroscience is the field that deals with studying the biological and chemical processes underlying our brain’s operations. In this commentary, I give an overview of my experience learning the most commonly used research technique in neuroscience: electrophysiological recording. I had to learn this technique in preparation for my summer 2021 research project that dealt with a novel recording sensor for the neurotransmitter glutamate, and I hope to share the knowledge I gained with the readers of this journal. I …
Bridging The Gap Between Science And Society To Foster A Greater Understanding Of The Climate Crisis, Jessica Gray
Bridging The Gap Between Science And Society To Foster A Greater Understanding Of The Climate Crisis, Jessica Gray
Inquiry Journal Spring 2022
Born and raised on the East Coast, I have had the luxury of spending time patrolling the shoreline of the Gulf of Maine for the past two decades. As a member of a coastal Maine community, it was never a question that I wanted to dedicate my career to marine research, working to ensure society sustains the integrity and stability of our global oceans. After acquiring diverse experience within the realm of oceanography, I have continuously centered my work around a single focal point: climate change is beginning to alter ecosystems to a point where resources are becoming severely impacted. …
Paul Robertson: Lecturer In The Department Of Classics, Humanities, And Italian Studies, Brigid C. Casellini
Paul Robertson: Lecturer In The Department Of Classics, Humanities, And Italian Studies, Brigid C. Casellini
Inquiry Journal Spring 2022
Paul Robertson is a lecturer in the Department of Classics, Humanities, and Italian Studies at the University of New Hampshire. Below is a correspondence with Dr. Robertson about his own research and his mentoring experiences with undergraduate students.
Spring 2022 Inquiry Journal: Abstracts, Brigid C. Casellini
Spring 2022 Inquiry Journal: Abstracts, Brigid C. Casellini
Inquiry Journal Spring 2022
No abstract provided.
Golden Opportunity, Unh Communications And Public Affairs
Golden Opportunity, Unh Communications And Public Affairs
UNH Today Archive
No abstract provided.
The Presence Of 17-Beta Estradiol, 17-Alpha Ethinyl Estradiol, And Estrone In Wastewater Treatment: Navigating Unanticipated Results, Alexis Eaton
Inquiry Journal Spring 2022
In 2021, I participated in the Research Experience and Apprenticeship Program (REAP) under the guidance of Dr. Paula Mouser of UNH’s Department of Civil and Environmental Engineering. I researched the fate and transport of several estrogenic compounds in a Connecticut wastewater treatment facility. The popularity of oral contraceptives has led to an increase in hormonal contaminants in surface water bodies. Estradiols and ethinyl estradiols, the two estrogenic compounds that I intended to study, can negatively impact the development of reproductive organs in male fish, such as reducing testes size as well as lowering sperm count. Municipal wastewater treatment plant discharge …
Kristen Johnson: Professor Of Biotechnology, Brigid C. Casellini
Kristen Johnson: Professor Of Biotechnology, Brigid C. Casellini
Inquiry Journal Spring 2022
Kristen Johnson is an assistant professor of biotechnology at the University of New Hampshire at Manchester. Below is a correspondence with Dr. Johnson about her own research and her mentoring experiences with undergraduate students.
Examining Potential For Improvements In Composting And Waste Reduction In The Greater Durham, Nh, Region, Chloe Gross
Examining Potential For Improvements In Composting And Waste Reduction In The Greater Durham, Nh, Region, Chloe Gross
Inquiry Journal Spring 2022
You often see compost bins outside local restaurants, behind the scenes in dining halls, and in the backyards of homeowners, but have you ever thought about how they get there? What planning goes into implementing a composting program and how an organization decides what kind of composting system to use? I can tell you that it takes a bit more than just putting a green bin out near the trash can. Through the freshman Research Experience and Apprenticeship Program (REAP), I spent the summer of 2021 with the Regional Compost Working Group investigating community composting in the University of New …
Behind The Scenes: Turtle Trapping And Connectivity Mapping For Endangered Blanding’S Turtle Conservation In Southern New Hampshire, Maeve Kelley
Inquiry Journal Spring 2022
Freshwater turtles are experiencing dramatic population declines due to human-caused stressors. Roads, in particular, have significantly increased turtle mortality rates through vehicle collisions. The Blanding’s turtle (Emydoidea blandingii) is state endangered in New Hampshire and is listed as endangered on the International Union for Conservation of Nature (IUCN) Red List. Blanding’s turtles are especially vulnerable to population declines because they reproduce late in life and their young have low survival rates. Adult Blanding’s turtles migrate from ponds to upland habitats to nest and hatchlings must later travel across the landscape to reach ponds. These overland movements increase the risk of …
Feature Article: Celebrating Thirty-Five Years Of Undergraduate Research, Savannah Salvage, Paige Fanneron, Anna Scheifele
Feature Article: Celebrating Thirty-Five Years Of Undergraduate Research, Savannah Salvage, Paige Fanneron, Anna Scheifele
Inquiry Journal Spring 2022
For thirty-five years, the Hamel Center for Undergraduate Research has promoted and supported substantial research endeavors by over 3,000 undergraduates at the University of New Hampshire. Through its programs UNH undergraduates serve as apprentice researchers alongside faculty mentors, earn credit for research work during the academic year, conduct independent projects over the summer that often extend into senior theses and capstones, travel across the globe to conduct research, and learn to polish their writing about research and share it with a wide audience. Students also receive funding to present their research at professional conferences across the country, and here at …
From Here To Healthcare Career, Kassidy Taylor
From Here To Healthcare Career, Kassidy Taylor
UNH Today Archive
No abstract provided.
Office Of Research, Economic Engagement And Outreach Update, March 24, 2022, Office Of Research, Economic Engagement And Outreach
Office Of Research, Economic Engagement And Outreach Update, March 24, 2022, Office Of Research, Economic Engagement And Outreach
Office of Research, Economic Engagement and Outreach
No abstract provided.
Unh Research: U.S. Seafood Workers At Increased Risk For Covid-19 During Pandemic, Robbin Ray
Unh Research: U.S. Seafood Workers At Increased Risk For Covid-19 During Pandemic, Robbin Ray
Media Relations
No abstract provided.