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Usage Statistics: Project Counter R5 Tr_B1 Report Fy2022 - Book Requests (Excluding Oa_Gold) By Title, Andrée J. Rathemacher Jan 2023

Usage Statistics: Project Counter R5 Tr_B1 Report Fy2022 - Book Requests (Excluding Oa_Gold) By Title, Andrée J. Rathemacher

Technical Services Reports and Statistics

Project COUNTER R5 Report TR_B1 for the University of Rhode Island for the period from July 1, 2021 - June 30, 2022. The TR_B1 report is defined as "Book Requests (Excluding OA_Gold)." This report presents an annual total only and only includes those platforms successfully configured for automated harvesting via SUSHI.

File for download is Excel spreadsheet generated by Alma Analytics.

Results:

Total Item Requests - 92,619

Unique Title Requests - 43,012


Insights From Fossil-Bound Nitrogen Isotopes In Diatoms, Foraminifera, And Corals, Rebecca S. Robinson, Sandi M. Smart, Jonathan D. Cybulski, Kelton W. Mcmahon, Basia Marcks, Catherine Nowakowski Jan 2023

Insights From Fossil-Bound Nitrogen Isotopes In Diatoms, Foraminifera, And Corals, Rebecca S. Robinson, Sandi M. Smart, Jonathan D. Cybulski, Kelton W. Mcmahon, Basia Marcks, Catherine Nowakowski

Graduate School of Oceanography Faculty Publications

Nitrogen is a major limiting element for biological productivity, and thus understanding past variations in nitrogen cycling is central to understanding past and future ocean biogeochemical cycling, global climate cycles, and biodiversity. Organic nitrogen encapsulated in fossil biominerals is generally protected from alteration, making it an important archive of the marine nitrogen cycle on seasonal to million-year timescales. The isotopic composition of fossil-bound nitrogen reflects variations in the large-scale nitrogen inventory, local sources and processing, and ecological and physiological traits of organisms. The ability to measure trace amounts of fossil-bound nitrogen has expanded with recent method developments. In this article, …


'I Just Want A Shirt That Will Fit Me!': An Inductive Approach To Understanding Transgender Consumers' Shopping Experiences, Domenique Jones, Jessica Strübel, Heejin Lim Jan 2023

'I Just Want A Shirt That Will Fit Me!': An Inductive Approach To Understanding Transgender Consumers' Shopping Experiences, Domenique Jones, Jessica Strübel, Heejin Lim

Textiles, Fashion Merchandising and Design Faculty Publications

Transgender consumers are often unable to express their identity or construct their appearance in the way they desire. Social realities inhibit realness, and it can be difficult or even impossible for them to externally realize their full identity (Gray 2009). The purpose of this research is to understand how transgender consumers’ gender identity influences their shopping experiences. Utilizing a lens of gender performativity theory, the research questions guiding the study include the following: (1) In what ways do transgender and gender non-conforming individuals experience the current retail apparel landscape? (2) How do transgender individuals navigate experience shopping for clothing and …


Proteomic Quantification Of Receptor Tyrosine Kinases Involved In The Development And Progression Of Colorectal Cancer Liver Metastasis, Areti-Maria Vasilogianni, Zubida M. Al-Majdoub, Brahim Achour, Sheila Annie Peters, Amin Rostami-Hodjegan, Jill Barber Jan 2023

Proteomic Quantification Of Receptor Tyrosine Kinases Involved In The Development And Progression Of Colorectal Cancer Liver Metastasis, Areti-Maria Vasilogianni, Zubida M. Al-Majdoub, Brahim Achour, Sheila Annie Peters, Amin Rostami-Hodjegan, Jill Barber

Biomedical and Pharmaceutical Sciences Faculty Publications

Introduction: Alterations in expression and activity of human receptor tyrosine kinases (RTKs) are associated with cancer progression and in response to therapeutic intervention.

Methods: Thus, protein abundance of 21 RTKs was assessed in 15 healthy and 18 cancerous liver samples [2 primary and 16 colorectal cancer liver metastasis (CRLM)] matched with non-tumorous (histologically normal) tissue, by a validated QconCAT-based targeted proteomic approach.

Results: It was demonstrated, for the first time, that the abundance of EGFR, INSR, VGFR3 and AXL, is lower in tumours relative to livers from healthy individuals whilst the opposite is true for IGF1R. EPHA2 was upregulated in …


Ipbes Invasive Alien Species Assessment: Summary For Policymakers, Helen E. Roy, Aníbal Pauchard, Peter Stoett, Tanara Renard Truong, Sven Bacher, Bella S. Galil, Philip E. Hulme, Tohru Ikeda, Kavileveettil Sankaran, Melodie A. Mcgeoch, Laura A. Meyerson, Martin A. Nuñez, Alejandro Ordonez, Sebataolo J. Rahlao, Evangelina Schwindt, Hanno Seebens, Andy W. Sheppard, Vigdis Vandvik Jan 2023

Ipbes Invasive Alien Species Assessment: Summary For Policymakers, Helen E. Roy, Aníbal Pauchard, Peter Stoett, Tanara Renard Truong, Sven Bacher, Bella S. Galil, Philip E. Hulme, Tohru Ikeda, Kavileveettil Sankaran, Melodie A. Mcgeoch, Laura A. Meyerson, Martin A. Nuñez, Alejandro Ordonez, Sebataolo J. Rahlao, Evangelina Schwindt, Hanno Seebens, Andy W. Sheppard, Vigdis Vandvik

Natural Resources Science Faculty Publications

Summary for Policymakers of the Thematic Assessment Report on Invasive Alien Species and their Control of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.


Effects Of Salt Stress On Interspecific Competition Between An Invasive Alien Plant Oenothera Biennis And Three Native Species, Xiao Guo, Jin Ye Ma, Le Le Liu, Ming Yan Li, Hui Wang, Ying Kun Sun, Tong Wang, Kui Ling Wang, Laura A. Meyerson Jan 2023

Effects Of Salt Stress On Interspecific Competition Between An Invasive Alien Plant Oenothera Biennis And Three Native Species, Xiao Guo, Jin Ye Ma, Le Le Liu, Ming Yan Li, Hui Wang, Ying Kun Sun, Tong Wang, Kui Ling Wang, Laura A. Meyerson

Natural Resources Science Faculty Publications

Biological invasions and soil salinization have become increasingly severe environmental problems under global change due to sea-level rise and poor soil management. Invasive species can often outcompete native species, but few studies focus on whether invasive alien species are always superior competitors under increasing stressors. We grew an invasive grass species, Oenothera biennis L., and three native grass species (Artemisia argyi Lévl. et Vant., Chenopodium album L., and Inula japonica Thunb.) as a monoculture (two seedlings of each species) or mixture (one seedling of O. biennis and one native species seedling) under three levels of salt treatments (0, 1, and …


Editorial: Vegetation Phenology And Response To Climate Change, Xiangjin Shen, Yeqiao Wang, Binhui Liu Jan 2023

Editorial: Vegetation Phenology And Response To Climate Change, Xiangjin Shen, Yeqiao Wang, Binhui Liu

Natural Resources Science Faculty Publications

No abstract provided.


Momentum: Research & Innovation For Spring 2023, University Of Rhode Island Jan 2023

Momentum: Research & Innovation For Spring 2023, University Of Rhode Island

Publications (Research and Economic Development)

The Spring 2023 issue of Research & Innovation, a periodical focused on research at the University of Rhode Island.


Sustainable Water Treatment With Induced Bank Filtration, Miles Schelling, Kavita Patil, Thomas B. Boving Jan 2023

Sustainable Water Treatment With Induced Bank Filtration, Miles Schelling, Kavita Patil, Thomas B. Boving

Geosciences Faculty Publications

This study demonstrates that an induced bank filter (IBF) system can treat raw water polluted with Escherichia coli (E. coli) bacteria. Similar to riverbank filtration (RBF), induced or reversed bank filtration relies on natural processes to clean water, including filtration through layers of allochthone alluvial sediments and a bioactive layer that forms on top of the filter after a ripening period. At the study site, located in Southwestern India, villagers rely on a mountain spring for their water supply. Although of generally high quality, the spring water contains E. coli bacteria (up to ~2000 MPN/100 mL). Raw …


Interfacial Issues And Modification Of Solid Electrolyte Interphase For Li Metal Anode In Liquid And Solid Electrolytes, Oh B. Chae, Brett L. Lucht Jan 2023

Interfacial Issues And Modification Of Solid Electrolyte Interphase For Li Metal Anode In Liquid And Solid Electrolytes, Oh B. Chae, Brett L. Lucht

Chemistry Faculty Publications

The high energy density required for the next generation of lithium batteries will likely be enabled by a shift toward lithium metal anode from the conventional intercalation-based anode such as graphite. However, several critical challenges for Li metal originate from its highly reactive nature and the hostless reaction of deposition and stripping impede the practical use of Li metal as an anode. The role of the solid electrolyte interphase (SEI) is very important for the Li metal anode where the SEI must protect the dynamically changing surface of the Li metal. Since the SEI-generating reaction mechanisms for the two different …


Does Healthcare Provider Counseling For Weight Management Behaviors Among Hispanic Adults Who Are Overweight/Obese Vary By Acculturation Level?, Mary L. Greaney, Furong Xu, Christie L. Ward-Ritacco, Steven A. Cohen, Kerri A. Ellis, Deborah Riebe Jan 2023

Does Healthcare Provider Counseling For Weight Management Behaviors Among Hispanic Adults Who Are Overweight/Obese Vary By Acculturation Level?, Mary L. Greaney, Furong Xu, Christie L. Ward-Ritacco, Steven A. Cohen, Kerri A. Ellis, Deborah Riebe

Public Health Faculty Publications

This cross-sectional study explored differences in the receipt of health care provider (HCP) counseling to control/lose weight and adopt weight-related lifestyle behavior changes among Hispanic respondents according to acculturation level. Differences in reported action regarding HCP counseling were also examined. Data from four National Health and Nutrition Examination Survey (NHANES) cycles (2011–2018) were analyzed, with the analytic sample limited to Hispanic respondents who were overweight/obese. Respondents’ acculturation levels were derived from their reported country of origin and the primary language spoken at home. Respondents who reported speaking only Spanish or more Spanish than English at home were classified as primarily …


Transfer Of Knowledge From Model Organisms To Evolutionarily Distant Non-Model Organisms: The Coral Pocillopora Damicornis Membrane Signaling Receptome, Lokender Kumar, Nathanael Brenner, Samuel Sledzieski, Monsurat Olaosebikan, Liza M. Roger, Matthew Lynn-Goin, Roshan Klein-Seetharaman, Bonnie Berger, Hollie M. Putnam, Jinkyu Yang, Nastassja A. Lewinski, Rohit Singh, Noah M. Daniels, Lenore Cowen, Judith Klein-Seetharaman Jan 2023

Transfer Of Knowledge From Model Organisms To Evolutionarily Distant Non-Model Organisms: The Coral Pocillopora Damicornis Membrane Signaling Receptome, Lokender Kumar, Nathanael Brenner, Samuel Sledzieski, Monsurat Olaosebikan, Liza M. Roger, Matthew Lynn-Goin, Roshan Klein-Seetharaman, Bonnie Berger, Hollie M. Putnam, Jinkyu Yang, Nastassja A. Lewinski, Rohit Singh, Noah M. Daniels, Lenore Cowen, Judith Klein-Seetharaman

Biological Sciences Faculty Publications

With the ease of gene sequencing and the technology available to study and manipulate non-model organisms, the extension of the methodological toolbox required to translate our understanding of model organisms to non-model organisms has become an urgent problem. For example, mining of large coral and their symbiont sequence data is a challenge, but also provides an opportunity for understanding functionality and evolution of these and other non-model organisms. Much more information than for any other eukaryotic species is available for humans, especially related to signal transduction and diseases. However, the coral cnidarian host and human have diverged over 700 million …


Toward Systems-Informed Models For Biologics Disposition: Covariates Of The Abundance Of The Neonatal Fc Receptor (Fcrn) In Human Tissues And Implications For Pharmacokinetic Modelling, Jill Barber, Zubida M. Al-Majdoub, Narciso Couto, Martyn Howard, Yasmine Elmorsi, Daniel Scotcher, Naved Alizai, Saskia De Wildt, Felix Stader, Armin Sepp, Amin Rostami-Hodjegan, Brahim Achour Jan 2023

Toward Systems-Informed Models For Biologics Disposition: Covariates Of The Abundance Of The Neonatal Fc Receptor (Fcrn) In Human Tissues And Implications For Pharmacokinetic Modelling, Jill Barber, Zubida M. Al-Majdoub, Narciso Couto, Martyn Howard, Yasmine Elmorsi, Daniel Scotcher, Naved Alizai, Saskia De Wildt, Felix Stader, Armin Sepp, Amin Rostami-Hodjegan, Brahim Achour

Biomedical and Pharmaceutical Sciences Faculty Publications

Biologics are a fast-growing therapeutic class, with intertwined pharmacokinetics and pharmacodynamics, affected by the abundance and function of the FcRn receptor. While many investigators assume adequacy of classical models, such as allometry, for pharmacokinetic characterization of biologics, advocates of physiologically-based pharmacokinetics (PBPK) propose consideration of known systems parameters that affect the fate of biologics to enable a priori predictions, which go beyond allometry. The aim of this study was to deploy a systems-informed modelling approach to predict the disposition of Fc-containing biologics. We used global proteomics to quantify the FcRn receptor [p51 and β2-microglobulin (B2M) subunits] in 167 …


Health Perceptions Of Ncaa Student-Athletes, Stephen M. Cirella Jr. Jan 2023

Health Perceptions Of Ncaa Student-Athletes, Stephen M. Cirella Jr.

Open Access Master's Theses

The purpose of the study was to examine factors that may contribute to disordered eating in men and women collegiate track and field athletes. A total of 73 eligible, full-time current NCAA track and field student-athletes completed a single survey sent out via email. Analyses conducted included a 2X5 MANOVA assessing the independent variables of biological sex (k=2; male and female) and track and field event group (k=5; throwers, short sprinters, middle distance runners, long distance runners, and jumpers/multi-event athletes) on the dependent variables of scores on the sociocultural attitudes towards appearance (SATAQ-4) subscales of pressures …


Developing Virtual And Augmented Reality Applications For Science, Technology, Engineering And Math Education, Christopher L. Hemme, Rachel Carley, Arielle Norton, Moez Ghumman, Hannah Nguyen, Ryan Ivone, Jyothi Menon, Jie Shen, Matthew Bertin, Roberta King, Elizabeth Leibovitz, Roy Bergstrom, Bongsup P. Cho Jan 2023

Developing Virtual And Augmented Reality Applications For Science, Technology, Engineering And Math Education, Christopher L. Hemme, Rachel Carley, Arielle Norton, Moez Ghumman, Hannah Nguyen, Ryan Ivone, Jyothi Menon, Jie Shen, Matthew Bertin, Roberta King, Elizabeth Leibovitz, Roy Bergstrom, Bongsup P. Cho

Biomedical and Pharmaceutical Sciences Faculty Publications

The Rhode Island IDeA Network of Biomedical Research Excellence Molecular Informatics Core at the University of Rhode Island Information Technology Services Innovative Learning Technologies developed virtual and augmented reality applications to teach concepts in biomedical science, including pharmacology, medicinal chemistry, cell culture and nanotechnology. The apps were developed as full virtual reality/augmented reality and 3D gaming versions, which do not require virtual reality headsets. Development challenges included creating intuitive user interfaces, text-to-voice functionality, visualization of molecules and implementing complex science concepts. In-app quizzes are used to assess the user's understanding of topics, and user feedback was collected for several apps …


Predicting Habitat Suitability Of Migratory Sharks Using Machine Learning Methods, Daniel Daye Jan 2023

Predicting Habitat Suitability Of Migratory Sharks Using Machine Learning Methods, Daniel Daye

Open Access Master's Theses

Whale shark (Rhincodon typus) populations have declined significantly over the last century due to anthropogenic mortality. Concerns about the sustainability of known populations and their interactions with humans have generated a high level of interest in the movement and migration patterns of the ocean's largest fish. Despite their seasonal aggregation at locations across the globe, little is known about whale shark movements and habitat use away from these locations. We tracked 26 whale sharks from the male-dominated aggregation near Isla Mujeres, Mexico using SPOT (Smart Position and Temperature) tags. One mature female – Rio Lady – generated location …


Reclaimingstem: A Healing-Centered Counterspace Model For Inclusive Science Communication And Policy Training, Evelyn Valdez-Ward, Robert N. Ulrich, Nic Bennett, Linh Anh Cat, Tamara Marcus, Sunshine Menezes, Allison H. Mattheis, Kathleen K. Treseder Jan 2023

Reclaimingstem: A Healing-Centered Counterspace Model For Inclusive Science Communication And Policy Training, Evelyn Valdez-Ward, Robert N. Ulrich, Nic Bennett, Linh Anh Cat, Tamara Marcus, Sunshine Menezes, Allison H. Mattheis, Kathleen K. Treseder

Natural Resources Science Faculty Publications

The dominant U.S. cultural norms shape science, technology, engineering, and math (STEM), and in turn, these norms shape science communication, further perpetuating oppressive systems. Despite being a core scientific skill, science communication research and practice lack inclusive training spaces that center marginalized identities. We address this need with a healing-centered counterspace grounded in the key principles of inclusive science communication: ReclaimingSTEM. ReclaimingSTEM is a science communication and science policy training space that centers the experiences, needs, and wants of people from marginalized communities. ReclaimingSTEM problematizes and expands the definitions of “what counts” as science communication. We organize ReclaimingSTEM with intentionality, …


Ipbes Invasive Alien Species Assessment: Chapter 1. Introducing Biological Invasions And The Ipbes Thematic Assessment Of Invasive Alien Species And Their Control, Helen E. Roy, Aníbal Pauchard, Peter Stoett, Tanara Renard Truong, Tatsiana Lipinskaya, Joana R. Vincete, Sven Bacher, Cebuan Bliss, James M. Bullock, Morelia Camacho-Cervantes, Franck Courchamp, Chika Egawa, Llewellyn C. Foxcroft, Bella S. Galil, Ankila J. Hiremath, Patricia L. Howard, Bernd Lenzner, Cristina Lima, Ângela Lomba, Laura A. Meyerson, Carolina L. Morales, Harriet Neal, Martin A. Nuñez, Alejandro Ordonez, Eva Pinto, Rajindra Puri, Petr Pyšek, David M. Richardson, Sophie Riley, Betty J. Rono, Hanieh Saeedi, Andy W. Sheppard, Daniel Simberloff, Charles Van Rees, Sonia Vanderhoeven, A. Sofia Vaz, Montserrat Vilà, Rafael D. Zenni Jan 2023

Ipbes Invasive Alien Species Assessment: Chapter 1. Introducing Biological Invasions And The Ipbes Thematic Assessment Of Invasive Alien Species And Their Control, Helen E. Roy, Aníbal Pauchard, Peter Stoett, Tanara Renard Truong, Tatsiana Lipinskaya, Joana R. Vincete, Sven Bacher, Cebuan Bliss, James M. Bullock, Morelia Camacho-Cervantes, Franck Courchamp, Chika Egawa, Llewellyn C. Foxcroft, Bella S. Galil, Ankila J. Hiremath, Patricia L. Howard, Bernd Lenzner, Cristina Lima, Ângela Lomba, Laura A. Meyerson, Carolina L. Morales, Harriet Neal, Martin A. Nuñez, Alejandro Ordonez, Eva Pinto, Rajindra Puri, Petr Pyšek, David M. Richardson, Sophie Riley, Betty J. Rono, Hanieh Saeedi, Andy W. Sheppard, Daniel Simberloff, Charles Van Rees, Sonia Vanderhoeven, A. Sofia Vaz, Montserrat Vilà, Rafael D. Zenni

Natural Resources Science Faculty Publications

Chapter 1: Introducing biological invasions and the IPBES thematic assessment of invasive alien species and their control of the Thematic Assessment Report on Invasive Alien Species and their Control of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.


A Loosely Coupled Surface And Groundwater Model To Assess Drought In The Chipuxet Watershed, Rhode Island, Christian Pieter Tulungen Jan 2023

A Loosely Coupled Surface And Groundwater Model To Assess Drought In The Chipuxet Watershed, Rhode Island, Christian Pieter Tulungen

Open Access Master's Theses

Southern Rhode Island experiences annual seasonal population spikes during the summer months. During that period, the 2012 Rhode Island Water Resource Board Strategic Plan reported inadequate water supply to meet the average and peak seasonal demand in the Southern Region (RIWRB, 2012). The region is characterized by predominantly mixed land use with areas of residential use interspersed within agricultural fields and mixed forests. The region is also an important summer tourist destination which increases water demand for many aquifers. In general, New England’s watersheds are expected to see an increase in frequency and magnitude of extreme flow events i.e., droughts …


Synergistic Inhibiting Effect Of Phytochemicals In Rheum Palmatum On Tyrosinase Based On Metabolomics And Isobologram Analyses, Yin Xiong, Hye Kyong Kim, Övgü Çelikler Özer, Bert Van Duijn, Henrie A. A. J. Korthout, Lihong Zi, Ang Cai Jan 2023

Synergistic Inhibiting Effect Of Phytochemicals In Rheum Palmatum On Tyrosinase Based On Metabolomics And Isobologram Analyses, Yin Xiong, Hye Kyong Kim, Övgü Çelikler Özer, Bert Van Duijn, Henrie A. A. J. Korthout, Lihong Zi, Ang Cai

Biomedical and Pharmaceutical Sciences Faculty Publications

Tyrosinase (TYR) plays a key role in the enzymatic reaction that is responsible for a range of unwanted discoloration effects, such as food browning and skin hyperpigmentation. TYR inhibitors could, therefore, be candidates for skin care products that aim to repair pigmentation problems. In this study, we used a metabolomics approach combined with the isobologram analysis to identify anti-TYR compounds within natural resources, and evaluate their possible synergism with each other. Rheum palmatum was determined to be a model plant for observing the effect, of which seven extracts with diverse phytochemicals were prepared by way of pressurized solvent extraction. Each …


Development Of A Porous Layer-By-Layer Microsphere With Branched Aliphatic Hydrocarbon Porogens, Farah Shahjin, Milankumar Patel, Mahmudul Hasan, Jacob D. Cohen, Farhana Islam, Md Ashaduzzaman, Mohammad Ullah Nayan, Mahadevan Subramaniam, You Zhou, Irene Andreu, Howard E. Gendelman, Bhavesh D. Kevadiya Jan 2023

Development Of A Porous Layer-By-Layer Microsphere With Branched Aliphatic Hydrocarbon Porogens, Farah Shahjin, Milankumar Patel, Mahmudul Hasan, Jacob D. Cohen, Farhana Islam, Md Ashaduzzaman, Mohammad Ullah Nayan, Mahadevan Subramaniam, You Zhou, Irene Andreu, Howard E. Gendelman, Bhavesh D. Kevadiya

Chemical, Biomolecular, and Materials Engineering Faculty Publications

Porous polymer microspheres are employed in biotherapeutics, tissue engineering, and regenerative medicine. Porosity dictates cargo carriage and release that are aligned with the polymer physicochemical properties. These include material tuning, biodegradation, and cargo encapsulation. How uniformity of pore size affects therapeutic delivery remains an area of active investigation. Herein, we characterize six branched aliphatic hydrocarbon-based porogen(s) produced to create pores in single and multilayered microspheres. The porogens are composed of biocompatible polycaprolactone, poly(lactic-co-glycolic acid), and polylactic acid polymers within porous multilayered microspheres. These serve as controlled effective drug and vaccine delivery platforms.


Pilot-Scale Evaluation Of Sulfite-Activated Ferrate For Water Reuse Applications, Charles D. Spellman Jr., Joseph E. Goodwill Jan 2023

Pilot-Scale Evaluation Of Sulfite-Activated Ferrate For Water Reuse Applications, Charles D. Spellman Jr., Joseph E. Goodwill

Civil & Environmental Engineering Faculty Publications

Ferrate is a promising, “green” (i.e., iron-based) pre-oxidation technology in water treatment, but there has been limited research on its potential benefits in a water reuse (wastewater recycling) paradigm. Recent studies have shown ferrate treatment processes can be improved by activation, the addition of reductants (i.e., sulfite) to the reaction. Prior bench scale experimentation suggests sulfite-activated ferrate may be a feasible option for water reuse applications; however, extent questions need to be addressed. This study evaluated the viability of sulfite-activated ferrate in water reuse treatment through continuous-flow experiments using synthetic and field-collected secondary wastewater effluents. The effluents were processed through …


Microfluidic Paper-Based Devices For The Detection Of Chemical And Biological Agents, Hojat Heidaribafroui Jan 2023

Microfluidic Paper-Based Devices For The Detection Of Chemical And Biological Agents, Hojat Heidaribafroui

Open Access Dissertations

This work was motivated by two needs: to develop low-cost, high-sensitivity, and accurate systems for detecting phosphate in seawater, and to create a platform technology by integrating Bi-Material Cantilever (B-MaC) valves for rapid and affordable biosensors that can be used at home or point-of-care settings to detect pathogens.

Detecting low levels of phosphate in the seawater using an inexpensive sensor is crucial for marine scientists to make informed decisions on where to measure next, compared to the current method of collecting samples and analyzing them ashore. To address these needs, we developed a portable infrared lightbox that can be wirelessly …


Design, Dynamic Modeling And Control Of Soft Robots, Xiaotian Chen Jan 2023

Design, Dynamic Modeling And Control Of Soft Robots, Xiaotian Chen

Open Access Dissertations

Inspired from biological systems, researchers are designing soft robots to replace conventional rigid body robots in many applications, including human-machine interaction, manipulation, medical instrumentation and wearable devices.

Soft robots, due to their flexible bodies capable of achieving complex movements, are suitable for motion in unstructured complex environments. Moreover, soft robots can provide a more pleasant interaction experience for humans, or grip and manipulate fragile objects. However, because of the potential ability of the soft robot, controlling the soft robot still remains as a difficult task, as the soft robot contains high complexity and non-linearity. Currently, machine learning is involved in …


Cranberry Vine And Its Effects On The Periparturient Ovine And Her Offspring, Delaney Smith Jan 2023

Cranberry Vine And Its Effects On The Periparturient Ovine And Her Offspring, Delaney Smith

Open Access Dissertations

Gastrointestinal nematodes (GIN) are a major health concern globally, particularly for small ruminant producers. The most deadly of these GIN is an anemia-inducing parasite called Haemonchus contortus. Infections of H. contortus are most severe during what's known as the periparturient period (PPP), which is the last 6 weeks of gestation and first 8 weeks of lactation in maternal animals. Widespread genetic resistance of H. contortus to the traditionally used chemical dewormers have led producers and researchers alike to turn to the plant kingdom for answers. Plant based compounds have been used as bioactive compounds for centuries to cure a …


Elucidating The Mechanisms Of Stress Tolerance In Reef-Building Coral Holobionts, Emma Strand Jan 2023

Elucidating The Mechanisms Of Stress Tolerance In Reef-Building Coral Holobionts, Emma Strand

Open Access Dissertations

Coral reefs worldwide are threatened by climate change effects like increasing ocean warming and ocean acidification. These increased pressures cause a dysbiosis between the coral host, algal endosymbionts, and associated coral microbiome that results in the coral host expelling algal endosymbionts, leaving the coral host with a stark white ‘bleached’ appearance. Without their endosymbionts, coral hosts are forced to sustain themselves energetically with heterotrophy instead of relying on the autotrophic carbon and energy sources that once came from the algal endosymbionts. When this response, termed ‘coral bleaching’, happens reef-wide during an extreme wave of increased ocean temperatures, this is called …


The Impact Of Climate Stresses In Water Quality Of Agricultural, Urban And Forested Watersheds In Rhode Island, Shiva Shrestha Jan 2023

The Impact Of Climate Stresses In Water Quality Of Agricultural, Urban And Forested Watersheds In Rhode Island, Shiva Shrestha

Open Access Dissertations

Hydrological regime and nutrient dynamics are associated with hydrological setting of any watershed. Human interventions have direct and indirect impacts on these hydrologic setting and watershed response. The increasing anthropogenic pressure has continued to degrade the water quality. This may lead to eutrophication that can seriously harm the water quality and aquatic ecosystems (Vitousek 1997).

The effective mitigation strategies in land and water management practices should have good understand of water and nutrient fluxes in watershed and relating them to spatio-temporal hydrologic factors (Liang et al., 2020).

The best approaches of the management strategies should always start from monitoring and …


The Universe Of Fluorinated Polymers And Polymeric Substances And Potential Environmental Impacts And Concerns, Rainer Lohmann, Robert J. Letcher Jan 2023

The Universe Of Fluorinated Polymers And Polymeric Substances And Potential Environmental Impacts And Concerns, Rainer Lohmann, Robert J. Letcher

Graduate School of Oceanography Faculty Publications

Per- and polyfluoroalkyl substances (PFAS) are a diverse group of surface treatment chemicals falling under non-polymeric and polymeric categories. Polymeric PFAS are comprised of fluoropolymers, perfluoropolyethers, and side-chain fluorinated polymers (SCFPs). Fluorinated polymers and polymeric substances have gained a significant market due to their chemical stability. To date, research and regulatory concern has primarily focused on the environmental occurrence and health effects of non-polymeric PFAS, particularly perfluoroalkyl acids and precursors. Industries consider most fluoropolymers as being “polymers of low concern”, although there is already a considerable environmental burden and widespread contamination resulting from their production, manufacturing, and use. For example, …


New Insights On Black Carbon In Pelagic Atlantic Sediments, Kari St. Laurent, Mark Cantwell, Rainer Lohmann Jan 2023

New Insights On Black Carbon In Pelagic Atlantic Sediments, Kari St. Laurent, Mark Cantwell, Rainer Lohmann

Graduate School of Oceanography Faculty Publications

Black carbon (BC) is ubiquitous in pelagic sediments and presumed to have an older radiocarbon age due to long ocean residence times and pre-aging in terrestrial soils. Here, we analyzed sediments from five regions in the subtropical Atlantic Ocean to quantify the black carbon fraction of the total organic carbon pool. Black carbon, derived from the chemothermal oxidation method, comprised between 17 ± 6% of the sedimentary organic carbon in the Northwest Argentina Basin and 65 ± 18% in the Amazon Delta. Black carbon sediment accumulation rates were six times greater in the Sierra Leone Rise (8.4 ± 4.1 mg …


A Diazotrophy-Ammoniotrophy Dual Growth Model For The Sulfate Reducing Bacterium Desulfovibrio Vulgaris Var. Hildenborough, Romain Darnajoux, Keisuke Inomura, Xinning Zhang Jan 2023

A Diazotrophy-Ammoniotrophy Dual Growth Model For The Sulfate Reducing Bacterium Desulfovibrio Vulgaris Var. Hildenborough, Romain Darnajoux, Keisuke Inomura, Xinning Zhang

Graduate School of Oceanography Faculty Publications

Sulfate reducing bacteria (SRB) comprise one of the few prokaryotic groups in which biological nitrogen fixation (BNF) is common. Recent studies have highlighted SRB roles in N cycling, particularly in oligotrophic coastal and benthic environments where they could contribute significantly to N input. Most studies of SRB have focused on sulfur cycling and SRB growth models have primarily aimed at understanding the effects of electron sources, with N usually provided as fixed-N (nitrate, ammonium). Mechanistic links between SRB nitrogen-fixing metabolism and growth are not well understood, particularly in environments where fixed-N fluctuates. Here, we investigate diazotrophic growth of the model …