Digital Commons Network^™

Testing Different Approaches For The Stabilization Of Mdi: Design Of Low-Valent Molybdenum Complexes In Redox-Active Environments And Capture-Release Reactions Using N-Heterocyclic Carbenes, Asanka Indrajith Dissanayake

Wayne State University Dissertations

Methylene diphenyl diisocyanate (4,4’-MDI) is an aromatic diisocyanate, which is widely used as a monomer in the polyurethane industry. One of the main challenges with using 4,4’-MDI is its dimerization into uretdione. The polyurethane industry seeks solutions that could suppress dimerization of 4,4’-MDI and extend its shelf-life. The focus of this dissertation is on the design of chemical solutions to this problem including: (1) reversible coordination of MDI (heteroallene) to low-valent mono- or dimolybdenum complexes in redox-active ligand environment, and (2) reversible coordination of MDI with two equivalents of an appropriate N-heterocyclic carbene.

MDI (isocyanate) is a heteroallene, and heteroallenes …

Evaluation Of Tele-Diagnostic Practice In Autism Spectrum Disorder, Emily Graham Lerose

Wayne State University Dissertations

EVALUATION OF TELE-DIAGNOSTIC PRACTICES IN AUTISM SPECTRUM DISORDER By Emily Graham LeRose Advisor: Dr. Shelly Jo Kraft, PhD, CCC-SLP Major: Communication Sciences and Disorders Degree: Doctor of Philosophy

Following the social-distancing mandates of the COVID-19 pandemic of 2020, diagnosis of autism spectrum disorder pivoted from an in-person method of evaluation, utilizing empirically supported “gold-standard” methods, to novel tele-diagnostic methods. This research investigated the efficacy and accessibility of autism diagnostic services using the tele-diagnostic platform of autism assessment by comparing retrospective patient data from periods of in-person assessment to tele-diagnostic assessment at one, large, urban hospital.

Diagnostic outcomes for these two …

Development Of A Vascularized Osteogenic Implant Using Fused Glycosaminoglycan-Chitosan Microcapsules, Charles Michael Gabrion

Wayne State University Theses

Osteoarthritis remains a poorly treatable outcome of traumatic cartilage injury as cartilage is unable to self-repair. Unfortunately, roughly 10% of all adults in the United States have been diagnosed with osteoarthritis although the true fraction is likely at least 30%. While the main focus of osteoarthritis research has been on treating damage to the cartilage, osteoarthritis will also lead to damage to the adjacent trabecular bone due to wear via shearing down of the tissue’s surface. Considering this, in conjuncture with transplanted cartilages’ inability to integrate into the native tissue, unlike the surrounding bone, the significance of a combined osteochondral …

Mechanisms ‘All The Way Down’?, Ioan Muntean

Philosophy Faculty Publications

Book review: Mechanistic Explanations in Physics and Beyond, Brigitte Falkenburg and Gregor Schiemann, editors, European Studies in Philosophy of Science, Vol. 11, Springer International Publishing, Cham 2019, pp.220

Predictions Of Broadacre Farm Management In Australia: Revisited, Ross Kingwell

Farm Systems and Economics research articles

Long term predictions and scenarios for Australian agriculture are infrequently published. Even less frequently published are formal reviews of their accuracy. This study is a rare example of a review of the accuracy of predictions made about broadacre farming and farm management in Australia back in 2002. Drawing on industry statistics and data that reveal various trends in Australian agriculture over the last two decades, most of the predictions about the nature of broadacre farming and farm management in Australia towards 2025 are found to be accurate. An implication is that agricultural economists are not always wrong or misleading in …

Differences In Neural Encoding Of Speech In Noise Between Cochlear Implant Users With And Without Preserved Acoustic Hearing, Hwan Shim, Subong Kim, Jean Hong, Youngmin Na, Jihwan Woo, Marlan Hansen, Bruce Gantz, Inyong Choi

Department of Communication Sciences and Disorders Faculty Scholarship and Creative Works

Cochlear implants (CIs) have evolved to combine residual acoustic hearing with electric hearing. It has been expected that CI users with residual acoustic hearing experience better speech-in-noise perception than CI-only listeners because preserved acoustic cues aid unmasking speech from background noise. This study sought neural substrate of better speech unmasking in CI users with preserved acoustic hearing compared to those with lower degree of acoustic hearing. Cortical evoked responses to speech in multi-talker babble noise were compared between 29 Hybrid (i.e., electric acoustic stimulation or EAS) and 29 electric-only CI users. The amplitude ratio of evoked responses to speech and …

The Moving Target: Brazilian Pardo Identity And Its Constitution Of Racial Space, Megan Salmon

Undergraduate Research (Journal)

In the field of Critical Race Studies, Brazil continually proves to be a unique case with its diverse population, incredible nuanced racial classification system, and claim to “racial democracy” and transcending its history of racism and slavery. At the heart of these claims is a large pardo, or mixed race, population that is often characterized as the apex of Brazilianness and multiraciality. The mixed-race body is romanticized and the entire Brazilian populous is placed in a racialized “third space” beyond the recognized system of Black and white identities. How do pardo people conceptualize themselves in this idealized world of racial …

Engineering Emotion Sustainably: Affective Gendered Organizing Of Engineering Identities And Third Space, Patrice M. Buzzanell, Colleen Arendt, Rebecca L. Dohrman, Carla B. Zoltowski, Prashant Rajan

Communication Faculty Publications

The questions of why there are so few women in engineering and how to change engineering cultures to be more inclusive have garnered much social scientific research and considerable funding. Despite numerous findings and interventions, no studies to our knowledge have analyzed how difference is constituted discursively, materially, and affectively in ways that are deeply embedded in engineering occupational and societal cultures. This study takes an affective gendered organizing approach to analyze how affect is constituted through emotions/talk, interactions, and materialities. Using constructivist grounded theory, we explored our interview data of 69 engineers (45 women and 24 men) to find …

Sensor Monitoring As A Useful Means Of Treatment For Anxiety, Depression, And Substance Use Disorders: A Meta-Analysis, Kara Mueller

Renée Crown University Honors Thesis Projects - All

No abstract provided.

Contact Guidance Of Olfactory Ensheathing Cells On Wrinkled 4d-Printed Shape Memory Polymer Substrates, Madeline Jones

Renée Crown University Honors Thesis Projects - All

No abstract provided.

Channeling Water; New Fields Of Exchange, Camryn Morton

Renée Crown University Honors Thesis Projects - All

No abstract provided.

Mobile Phone Mindfulness: Effects Of App-Based Meditation Intervention On Stress And Hrv Of Undergraduate Students, Samuel M. Degenhard

Modern Psychological Studies

Since the COVID-19 pandemic, stress has increased exponentially in undergraduate populations. The current study sought to determine the efficacy of an eight-week relaxation intervention, using a free meditation app to reduce perceived stress and increase baseline heart rate variability (HRV) of undergraduate students, compared to using a traditional relaxation intervention across the same period. Participants (N = 14) were randomized into either a meditation app group or self-directed diaphragmatic breathing group and were instructed to engage in their respective relaxation technique ten minutes daily for eight weeks. Pre- and post-intervention differences in perceived stress and HRV were examined, along with …

Questioning The Legitimacy Of The Attention-Deficit/Hyperactivity Disorder Construct, Isabelle J. Weigel-Mohamed

Modern Psychological Studies

This literature review examines 45 journal articles from a variety of disciplines, including genetics, neuropsychology, child and school psychology, evolutionary psychology, clinical psychology, and psychopharmacology. The review features a popular article published in the New York Times; though not a peer-reviewed journal article, it provides evidence of the pervasive social impact of the Attention-deficit/hyperactivity disorder (ADHD) debate. This review covers articles published between the years 1971 to 2021, with a greater emphasis on articles published after 2013 (over 50% of the review, given that the ADHD construct was reconceptualized in the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition …

Media Consumption And Stigma Towards Schizophrenia, Brenna Robinson, Catherine Diaz-Asper Ph.D

Modern Psychological Studies

The current study examined how negative attitudes about schizophrenia can be influenced by exposure to media as well as other types of contact with the condition. Participants (N = 141) completed an online survey assessing their knowledge of schizophrenia, the type and level of contact they had with someone with the diagnosis, the type and level of mass media they consumed, and their perceptions of schizophrenia, including dangerousness and aggression. Results showed that type of contact was correlated with attitudes about dangerousness. Contact, which includes media consumption, was related to less stigmatizing attitudes towards schizophrenia, although the correlation between media …

Chronic Wasting Disease Contamination Of Deer Scrapes, Miranda H.J. Huang, Steve Demarais, Alejandro Banda, Bronson K. Strickland, Anna Grace Welch, Scoty Hearst, Stuart Lichtenberg, Allan Houston, Kim M. Pepin, Kurt C. Vercauteren

CFR Publications

No abstract provided.

Dataset For Controllable Factors Affecting Accuracy And Precision Of Human Identification Of Animals From Drone Imagery, Landon R. Jones, Jared A. Elmore, B. S. Krishnan, Sathishkumar Samiappan, Kristine O. Evans, Morgan B. Pfeiffer, Bradley F. Blackwell, Raymond B. Iglay

CFR Publications

Dataset from the results of an experiment to determine how three controllable factors, flight altitude, camera angle, and time of day, affect human identification and counts of animals from drone images to inform best practices to survey animal communities with drones. We used a drone (unoccupied aircraft system, or UAS) to survey known numbers of eight animal decoy species, representing a range of body sizes and colors, at four GSD (ground sampling distance) values (0.35, 0.70, 1.06, 1.41 cm/pixel) representing equivalent flight altitudes (15.2, 30.5, 45.7, 61.0 m) at two camera angles (45° and 90°) and across a range of …

Utilizing Carbon And Nitrogen Stable Isotopes To Examine Elite Juvenile Diet Of Individuals From Meroitic Sai Island, Sudan, Anelis Diaz

Electronic Theses and Dissertations, 2020-2023

Limited research has assessed the lived experiences of juveniles during the Nubian Meroitic Period (300 BCE - 350 CE). Therefore, the focus of this research is to examine dietary patterns throughout development of elite juveniles from Sai Island, Sudan to identify if dietary variations exist throughout development that may be a result of social differences within the juvenile population. Carbon and nitrogen stable isotope analyses of tooth dentin from the 1st, 2nd, and 3rd molars of 11 adult individuals interred at cemetery 8-B-52.B on Sai Island are utilized to examine diet through the life course. As each tooth corresponds to …

Population Differences In Human Mandibular Growth, Madison Hubbart

Electronic Theses and Dissertations, 2020-2023

Mandibles are one of the most common bones encountered in the human archaeological record. Variation in mandibular morphology is often associated with differences in subsistence strategy as masticatory stresses influence bone growth and development. Bone growth is stimulated by bone modeling, the process by which formation and resorption occur through the uncoupled activities of osteoblasts and osteoclasts, respectively. There is a limited understanding of bone modeling patterns in humans due to a lack of quantitative data and small sample sizes. The aim of this research was to address the question: is there a shared bone modeling pattern in the mandible …

Gender Differences In High School Students’ Perceived Values And Costs Of Learning Chemistry, Xiaoyang Gong, Bradley W. Bergey, Ying Jin, Kexin Mao, Yan Cheng

Publications and Research

Students’ perceived values and costs of learning chemistry influence their performance and intentions of choosing chemistry-related majors or careers. Based on Situated Expectancy-Value Theory, this study adopted a mixed method approach to examine the conceptualization of values and costs among Chinese high school students and identify their relations with chemistry test performance across gender. Qualitative content analyses revealed that students’ perceived values for chemistry could be categorized into five broad categories: utility value, epistemic value, intrinsic value, aesthetic value, and social value. Chi-square tests and multidimensional scaling revealed that boys and girls perceived values and costs in different ways: relational …

Graduate Catalog And Student Handbook 2023-2024, Nova Southeastern University

Abraham S. Fischler College of Education and School of Criminal Justice Graduate Course Catalogs

No abstract provided.

Diversity Of Antimicrobial Peptides In Silkworm, Pooja Makwana, Kamidi Rahul, Katsuhiko Ito, Bindu Subhadra

Faculty Publications - Biological Sciences

Antimicrobial resistance is a phenomenon that the present-day world is witnessing that poses a serious threat to global health. The decline in the development of novel therapeutics over the last couple of decades has exacerbated the situation further. In this scenario, the pursuit of new alternative therapeutics to commonly used antibiotics has gained predominance amongst researchers across the world. Antimicrobial peptides (AMPs) from natural sources have drawn significant interest in the recent years as promising pharmacological substitutes over the conventional antibiotics. The most notable advantage of AMPs is that microorganisms cannot develop resistance to them. Insects represent one of the …

The Effect Of Sulfuric Acid Concentration On The Physical And Electrochemical Properties Of Vanadyl Solutions, Thomas M. Arruda, Jaime S. Lawton, Sophia M. Tiano, Daniel J. Donnelly, Sean P. Flanagan

Faculty and Staff - Articles & Papers

The effects of sulfuric acid concentration in VO2+ solutions were investigated via electrochemical methods and electron paramagnetic resonance. Viscosity of solutions containing 0.01 M VOSO4 in 0.1–7 M H2SO4 was measured. Diffusion coefficients were independently measured via electrochemical methods and EPR with excellent agreement between the techniques employed and literature values. Analysis of cyclic voltammograms suggest the oxidation of VO2+ to VO2+ is quasi-reversible at high H2SO4 concentrations (>5 mol/L) and approaching irreversible at lower H2SO4 concentrations. Further analysis reveals a likely electrochemical/chemical (EC) mechanism where the H2SO4 facilitates the electrochemical step but hinders the chemical step. Fundamental insights …

Eects Of State Of Charge On The Physical Characteristics Of V(Iv)/V(V) Electrolytes And Membrane For The All Vanadium Flow Battery, Thomas M. Arruda, Wyndom S. Chace, Sophia M. Tiano, Jamie S. Lawton

Faculty and Staff - Articles & Papers

The VO2+/VO2+ redox couple commonly employed on the positive terminal of the all-vanadium redox flow battery was investigated at various states of charge (SOC) and H2SO4 supporting electrolyte concentrations. Electron paramagnetic resonance was used to investigate the VO2+ concentration and translational and rotational diffusion coefficient (DT, DR) in both bulk solution and Nafion membranes. Values of DT and DR were relatively unaffected by SOC and on the order of 10−10 m2s−1. Cyclic voltammetry measurements revealed that no significant changes to the redox mechanism were observed as the state of charge increased; however, the mechanism does appear to be affected by …

Examining The Connectivity Of Antarctic Krill On The West Antarctic Peninsula: Implications For Pygoscelis Penguin Biogeography And Population Dynamics, Katherine L. Gallagher, Michael S. Dinniman, Heather J. Lynch

CCPO Publications

Antarctic krill (Euphausia superba) are considered a keystone species for higher trophic level predators along the West Antarctic Peninsula (WAP) during the austral summer. The connectivity of these populations may play a critical role in predator biogeography, especially for central-place foragers such as the Pygoscelis penguins that breed along the WAP during the austral summer. Here, we used a physical ocean model to examine adult krill connectivity in this region using simulated krill with realistic diel vertical migration behaviors across four austral summers. Specifically, we examined krill connectivity around the Adélie gap, a 400 km long region along …

The Response Of Sea Ice And High-Salinity Shelf Water In The Ross Ice Shelf Polynya To Cyclonic Atmosphere Circulations, Xiaoqiao Wang, Zhaoru Zhang, Michael S. Dinniman, Petteri Uotila, Xichen Li, Meng Zhou

CCPO Publications

Coastal polynyas in the Ross Sea are important source regions of high-salinity shelf water (HSSW) – the precursor of Antarctic Bottom Water that supplies the lower limb of the thermohaline circulation. Here, the response of sea ice production and HSSW formation to synoptic-scale and mesoscale cyclones was investigated for the Ross Ice Shelf Polynya (RISP) using a coupled ocean–sea ice–ice shelf model targeted on the Ross Sea. When synoptic-scale cyclones prevailed over RISP, sea ice production (SIP) increased rapidly by 20 %–30 % over the entire RISP. During the passage of mesoscale cyclones, SIP increased by about 2 times over …

Seasonal Variations In Circumpolar Deep Water Intrusions Into The Ross Sea Continental Shelf, Yufei Wang, Meng Zhou, Zhaoru Zhang, Michael S. Dinniman

CCPO Publications

Intrusions of the warm and nutrient-rich Circumpolar Deep Water (CDW) across the Ross Sea shelf break play an important role in providing heat for ice shelf basal melting and setting the physical environment for biochemical processes. Several mechanisms driving CDW intrusions into the Ross Sea were proposed such as mesoscale eddies, tidal rectification, and interactions between Antarctic Slope Current (ASC) and topographic features. The seasonal variations in the poleward transport of CDW are investigated using ERA-Interim wind data and a Ross Sea circulation model based on the Regional Ocean Modeling System (ROMS) between September 1999 and September 2014. The analyses …

Town Of Richmond, New Hampshire 2022 Annual Report., Richmond Town Representatives

Richmond, NH Annual Reports

This is an annual report containing vital statistics for a town/city in the state of New Hampshire.

Tie Dye Activity Plans, Admin Stem For Success

STEM for Success Showcase

OVERVIEW:

The STEM for success ambassador program will provide high school students the opportunity to participate in STEM activities that challenge them to learn topics covered in most high school chemistry and physics courses in an environment that cultivates leadership, STEM advocacy, and the 21st century skills of creativity and collaboration. High school students will learn tie-dye science and the chemistry and physics of slime and use their learning experiences to create hands-on activities for Pre-K through 8th grade students. High school students will form teams and venture out into their communities to explore the activities they have created in …

Chem 221-102: Analytical Chem Methods, Pin Gu

Chemistry, Environmental and Forensic Science Syllabi

No abstract provided.

Chem 361-002: Environmental Chemistry Ii, Alexei Khalizov

Chemistry, Environmental and Forensic Science Syllabi

No abstract provided.