Digital Commons Network^™

Nationwide Assessment Of Leadership Development For Graduate Students In The Agricultural Plant Sciences, Karen Ferreira Da Silva, Ella Burnham, Joe Louis, Douglas Golick, Sydney E. Everhart

Department of Plant Pathology: Faculty Publications

Leadership development is a universally important goal across the agricultural plant science disciplines. Although previous studies have identified a need for leadership skills, less is known about leadership skill development in graduate programs. To address this, we constructed a mixed-method study to identify the most significant graduate school leadership experiences of scientists in the agricultural plant science disciplines. The survey was deployed to 6,728 people in the U.S. and received 1,086 responses (16.1% response rate). The majority of respondents reported that they were from one of the major agricultural states and employed at one of the agricultural plant science related …

Native American Exposure To Iodine-131 From Nuclear Weapons Testing In Nevada, Clark University, Abel Russ, Patricia George, Robert Goble, Stefano Crema, Chunling Liu, Dedee Sanchez

Clark University

A great deal of work has been done reconstructing doses from Nevada Test Site fallout, yet the unique exposures of Native American communities continue to be neglected. It is possible to estimate the exposures of these communities through a process of collaborative information gathering and analysis. This paper builds on a previous exercise that demonstrated the substantial doses received through the consumption of contaminated game. The updated model includes new information on the deposition of iodine-131, an assessment of the neonatal thyroid doses received through breast milk, an exploration of the effect of population mobility on dose estimates, and estimates …

Simple Polystyrene Microfluidic Device For Sensitive And Accurate Sers-Based Detection Of Infection By Malaria Parasites, Maria Joao Oliveira, Soraia Caetano, Ana Dalot, Filipe Sabino, Tomas Calmeiro, Elvira Fortunato, Rodrigo Martins, Eulalia Pereira, Miguel Prudencio, Hugh Byrne, Ricardo Franco, Hugo Aguas

Articles

Early and accurate detection of infection by pathogenic microorganisms, such as Plasmodium, the causative agent of malaria, is critical for clinical diagnosis and ultimately determines the patient’s outcome. We have combined a polystyrene-based microfluidic device with an immunoassay which utilises Surface-Enhanced Raman Spectroscopy (SERS) to detect malaria. The method can be easily translated to a point-of-care testing format and shows excellent sensitivity and specificity, when compared to the gold standard for laboratorial detection of Plasmodium infections. The device can be fabricated in less than 30 min by direct patterning on shrinkable polystyrene sheets of adaptable three-dimensional microfluidic chips. To validate …

Characterization Of P75ntr Interactions And Associated Effects On Neurodegeneration Associated With Parkinson's Disease, Bradley R. Kraemer

Summer Community of Scholars (RCEU and HCR) Project Proposals

No abstract provided.

Multivariate Curve Resolution-Alternating Least Squares Coupled With Raman Microspectroscopy: New Insights Into The Kinetic Response Of Primary Oral Squamous Carcinoma Cells To Cisplatin, Valentina Notarstefano, Alessia Belloni, Paolo Mariani, Giulia Orilisi, Giovanna Orsini, Elisabetta Giorgini, Hugh Byrne

Articles

Raman MicroSpectroscopy (RMS) is a powerful label-free tool to probe the effects of drugs at a cellular/ subcellular level. It is important, however, to be able to extract relevant biochemical and kinetic spectroscopic signatures of the specific cellular responses. In the present study, a combination of Multivariate Curve Resolution-Alternating Least Squares (MCR-ALS) and Principal Component Analysis (PCA) is used to analyse the RMS data for the example of exposure of primary Oral Squamous Carcinoma Cells (OSCC) to the chemotherapeutic agent cisplatin. Dosing regimens were established by cytotoxicity assays, and the effects of the drug on cellular spectral profiles were monitored …

Laser Light As An Emerging Method For Sustainable Food Processing, Packaging, And Testing, Prasad Chavan, Rahul Yadav, Pallavi Sharma, Amit Jaiswal

Articles

In this review article, we systematically investigated the diverse applications of laser technology within the sphere of food processing, encompassing techniques such as laser ablation, microbial inactivation, state-of-the-art food packaging, and non-destructive testing. With a detailed exploration, we assess the utility of laser ablation for the removal of surface contaminants from foodstuffs, while also noting the potential financial and safety implications of its implementation on an industrial scale. Microbial inactivation by laser shows promise for reducing the microbial load on food surfaces, although concerns have been raised about potential damage to the physio characteristics of some fruits. Laser-based packaging techniques, …

Everything Won’T Be Okay: The Impact Of Therapists’ Justification Of The Mental Healthcare System On Their Racially Minoritized Patients, Rachel Ruth Buxbaum

Selected Full-Text Dissertations 2020-

Despite advances in mitigating explicit biases, research finds that therapists’ implicit bias has not significantly decreased in magnitude or impact on their clinical work over the past several decades. This bias propels, among other harms, misdiagnosis and overdiagnosis, weaker therapeutic alliances, poorer quality of care, and re-activation of racialized trauma among patients of color. Because of these disparities, many individuals develop experience-based cultural mistrust toward the healthcare system, which clinicians often misinterpret as psychopathology, perpetuating the mistreatment-to-mistrust cycle. This dissertation was the first to apply system justification theory to clinical process research, investigating whether and how therapists’ justification of the …

Multi-Omic Association Study Identifies Dna Methylation-Mediated Genotype And Smoking Exposure Effects On Lung Function In Children Living In Urban Settings, Matthew Dapas, Emma E. Thompson, William Wentworth-Sheilds, Selene Clay, Cynthia M. Visness, Agustin Calatroni, Joanne E. Sordillo, Diane R. Gold, Robert A. Wood, Melanie Makhija, Gurjit K. Khurana Hershey, Michael G. Sherenian, Rebecca S. Gruchalla, Michelle A. Gill, Andrew H. Liu, Haejin Kim, Meyer Kattan, Leonard B. Bacharier, Deepa Rastogi, Matthew C. Altman, William W. Busse, Patrice M. Becker, Dan Nicolae, George T. O'Connor, James E. Gern, Daniel J. Jackson, Carole Ober

Allergy & Immunology Articles

Impaired lung function in early life is associated with the subsequent development of chronic respiratory disease. Most genetic associations with lung function have been identified in adults of European descent and therefore may not represent those most relevant to pediatric populations and populations of different ancestries. In this study, we performed genome-wide association analyses of lung function in a multiethnic cohort of children (n = 1,035) living in low-income urban neighborhoods. We identified one novel locus at the TDRD9 gene in chromosome 14q32.33 associated with percent predicted forced expiratory volume in one second (FEV1) (p = 2.4x10-9; βz = -0.31, …

Identification And Biosynthetic Study Of The Siderophore Lysochelin In The Biocontrol Agent Lysobacter Enzymogenes, Amanda Lynn Miller, Shanren Li, Catherine D. Eichhorn, Yongbiao Zheng, Liangcheng Du

Liangcheng Du Publications

Lysobacter is a genus of bacteria emerging as new biocontrol agents in agriculture. Although iron acquisition is essential for the bacteria, no siderophore has been identified from any Lysobacter. Here, we report the identification of the first siderophore, N1,N8-bis(2,3-dihydroxybenzoyl)spermidine (lysochelin), and its biosynthetic gene cluster from Lysobacter enzymogenes. Intriguingly, the deletion of the spermidine biosynthetic gene encoding arginine decarboxylase or SAM decarboxylase eliminated lysochelin and the antifungals, HSAF and its analogues, which are key to the disease control activity and to the survival of Lysobacter under oxidative stresses caused by excess iron. The production of …

Analysis Of Gene Expression Investigating Biology Underlying High Regenerative Ability Of Marine Invertebrate Botrylloides Violaceus, Cassidy Andrasz

Baker/Koob Endowments Awarded Projects

The marine invertebrate Botrylloides violaceus is a species of tunicate found in Morro Bay, CA with the extraordinary ability to regenerate its whole body. Furthermore, tunicates are the closest known relatives to vertebrates. Due to this organism's regenerative ability and relationship to vertebrates, it is of great interest to investigate the underlying mechanisms of regeneration and review its potential applications to related vertebrate organisms, including humans. The genome of B. violaceus was sequenced and assembled at Cal Poly, SLO which allowed for the proposed experiments to analyze gene expression, a field called transcriptomics. Transcriptomics tells us how the organism is …

Effects Of Disulfiram On The Metabolome Of Mrsa, Surya Teja Naidu

Theses, Dissertations and Capstones

Disulfiram, known as Antabuse®, is an oral drug for the treatment of alcohol dependence. Previous studies have indicated that disulfiram (DSF) exhibits antibacterial effects, particularly against Gram-positive bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA). Our study delves into the antibacterial mechanism of DSF in MRSA through High-Pressure Liquid Chromatography (HPLC) metabolomics, investigating the underlying mechanism of DSF effects on thiamine and amino acid metabolism. Thiamine pyrophosphate (TPP) plays a crucial role as a cofactor for critical enzymes such as transketolase, pyruvate dehydrogenase, and 2-oxoglutarate dehydrogenase. These enzymes are integral to the carbohydrate metabolism process within bacterial cells. TPP also contributes …

Assessing The Unionid Assemblage Of The Robert C. Byrd Pool, Ohio River, Ethan Hunter Bellamy

Theses, Dissertations and Capstones

Unionid mussels are the most imperiled taxa in the United States and are vastly understudied. The entire Robert C. Byrd (RCB) pool of the Ohio River is the study area. I selected sites from the 2019 and 2013 ORSANCO RCB pool assessments that utilize random site selection across the pool. I used SCUBA to survey and collect data on unionid diversity, reproduction, and habitat. I collected 1,083 individuals over 19 species in RCB pool. I compared results from RCB pool survey to two similar surveys conducted in Greenup Pool. Both richness and abundance in the Upper Section of Greenup Pool …

Utility Of Shear Wave Elastography In Breast Cancer Diagnosis: A Systematic Review And Meta-Analysis, Aishwarya Pillai

Yale Medicine Thesis Digital Library

In the United States, breast cancer is one of the most diagnosed cancers in women. Early detection, often via mammography, and intervention have been shown to reduce mortality. However, not all cancers are mammographically evident in early stages, if at all. As a result, ultrasound has been increasingly used to supplement mammography for breast cancer detection and assessment, particularly in dense breasts. Recent advancements in ultrasonography include the ability to characterize the stiffness of biological tissues. Shear Wave Elastography (SWE) is one such development used to quantify tissue stiffness within a region of interest.

The resistance of soft tissue to …

The Episodes, Jampa Dorje

High Mountain Valley Local Authors Collection Online Content

No abstract provided.

Southern Adventist University Adult Degree Completion Catalog 2022-2023, Southern Adventist University

Catalog, Adult Degree Completion

Southern Adventist University's adult degree completion catalog for the academic year 2022-2023.

Katz Or Dogs? Why The Katz Reasonable Expectation Of Privacy Test Is More Applicable To Advancing Technology Than A Test Applied To Dog Sniffs, Blade M. Allen

Student Published Scholarship

Most often, when law enforcement agencies or governments use a person’s DNA or genetic information, they do so in the pursuit of justice. That said, there are privacy concerns that arise when the government or police have open access to any person’s DNA or genetic information, especially through the Internet. This article attempts to present an argument for a reasonable expectation of privacy (REP) in a person’s genetic information or DNA as well as other forms of advancing technology. It begins with a history of the US Supreme Court’s interpretations of the Fourth Amendment to the US Constitution, continues with …

Bio - Bob Glazer, Gulf And Caribbean Research

Policies and Documents

No abstract provided.

Characterizing The Vegetation And Effects Of Climate Change On Parris Island, A Sea Island Ecosystem, Cody Hart Goodson

Theses, Dissertations and Capstones

Coastal habitats provide many ecosystem services, protecting coastlines from storm surges and erosion, diminishing the effects of eutrophication, sequestering large amounts of carbon, and acting as vital wildlife habitat. Sea-level rise and increased storm surge intensity associated with climate change are increasingly disrupting coastal habitats. These disturbances can shift environmental gradients that drive the zonation of coastal vegetation types, driving habitat conversion. Monitoring coastal habitat conversion can improve our understanding of the dynamic effects of climate change on these landscapes. Therefore, our objectives for chapter 1 were to identify and describe the distributions of vegetation types present on Marine Corps …

Effect Of Ultrasound-Assisted Thin Bed Drying For Retaining The Quality Of Red Bell Pepper And Compare The Predictive Ability Of The Mathematical Model With Artificial Neural Network, Raju Sasikumar, Irengbam Barun Mangang, Kamchampati Vivek, Amit K. Jaiswal

Articles

Red bell peppers (Capsicum ann. L.) are low in calories and high in nutrients, including vitamins A and C. Various factors such as weight loss, senescence, and microbial influence affect their quality during storage. To address this, the present study aims to preserve and retain the quality of red bell peppers using ultrasound-assisted thin-bed drying. The results were analyzed using an Artificial Neural Network (ANN) for more accurate prediction of variables involved in the process. Variations in moisture ratio and moisture content during drying were calculated and predicted. The Mid. model provided satisfactory curve fitting at an air velocity of …

Electromechanical Coupling In Collagen Measured Under Increasing Relative Humidity, Arwa Bazaid, Fengyuan Zhang, Qiancheng Zhang, Sabine Neumayer, Denise Denning, Stefan Habelitz, Ana Marina Ferreira, Brian J. Rodriguez

Articles

The functional role of collagen piezoelectricity has been under debate since the discovery of piezoelectricity in bone in 1957. The possibility that piezoelectricity plays a role in bone remodelling has generated interest in the investigation of this effect in relevant physiological conditions; however, there are conflicting reports as to whether collagen is piezoelectric in a humid environment. In macroscale measurements, the piezoelectricity in hydrated tendon has been shown to be insignificant compared to dehydrated tendon, whereas, at the nanoscale, the piezoelectric effect has been observed in both dry and wet bone using piezo response force microscopy (PFM). In this work, …

Collegiate Athletics Impact On Academic Performance, Chris Hill

Integrated Studies

The complex world of collegiate athletics in American universities presents a unique intersection of sports and academics, each influencing student-athlete trajectory. This research project explores the numerous factors impacting these individuals' academic performance and overall educational experience. Drawing on sources ranging from studies on institutional policies (Brecht & Burnett, 2019) to personal motivations (Firth-Clark et al., 2019), the investigation paints a comprehensive picture of the challenges and opportunities faced by student-athletes. Key findings highlight the powerful influence of external entities like the NCAA and the inherent pressures of media attention (Torres-Ronda et al., 2022). Similarly, internal dynamics such as peer …

National Health Insurance For The United States, Ashley Herrell

Integrated Studies

Approximately 46 million U.S. citizens lack health insurance despite the nation's abundant resources. The imperative for universal healthcare arises, with a proposed solution being mandatory national health insurance. This paradigm shift, championed by the U.S. House of Representatives, Senate, and citizens, aims to eradicate the issue of people foregoing healthcare due to lack of insurance, promising to enhance collective well-being. The U.S. stands out among high-income countries without comprehensive universal healthcare, leading to disproportionately high out-of-pocket expenses and inferior health outcomes. Social determinants like income, race, and rural residence exacerbate the challenge by limiting healthcare access for vulnerable groups. Embracing …

Autism Resources In Rural America, Amanda Long

Integrated Studies

The topic of this final project centers around the lack of services that are available to autistic children and adults in rural America and the steps that should be taken the ensure services are available as the growing population of children grow older and need full-time care. Our modern society as well as the current healthcare system are not prepared for the growing need of an ageing disabled population. Will these disabled children and young adults flood the current long-term care facilities that are already established? Will the already stretched thin Medicare and Medicaid system cover the costs associated with …

Nonconsumptive Effects Of Crustaceans And An Echinoderm On Spat Of The Eastern Oyster Crassostrea Virginica (Gmelin, 1791), Maria Rosa, Mike Gilman, Sarah Anderson, Adrian Beckford, Ben Gilfond, Nicole Wright, David M. Hudson

Biology Faculty Publications

Predation by crustaceans and echinoderms is a significant driver of mortality for sessile invertebrates in near-shore marine ecosystems. As a response, shellfish growers use predator exclusion cages to grow their product. Oysters grown in these cages and clams in and under nets have been observed to exhibit thinner, brittle shells, which is not optimal for market, nor for those being grown for restoration purposes. Here, the nonconsumptive predator effects of several native and nonnative predators on shell morphology of Crassostrea virginica oyster spat. Juvenile (1–3 mm) seed oysters were exposed separately to chemical cues of five different predators and one …

Examining The Role Of Chronic Stress In Cancer Progression And Metastasis: P53 As A Potential Mechanism, Jillian R. Dean

Behavioral Neuroscience Honors Papers

The influence of stress on the development and progression of cancer has been a longstanding hypothesis. Chronic stress can have a significant impact on the immune system and inflammatory response, potentially leading to decline of the body's immune capabilities (Segerstrom & Miller, 2004). Stress activates the hypothalamic-pituitary-adrenal (HPA) axis, which triggers the release of stress hormones, such as cortisol (Smith & Vale, 2006). When chronically activated, this can lead to corresponding changes in the immune system, including decreased activity of natural killer cells, which play a crucial role in identifying and destroying cancer cells. Chronic inflammation has also been shown …

Cognitive And Neural Development In A Rodent Model Of Ptsd From Maternal Maltreatment, Nhi Doan

Behavioral Neuroscience Honors Papers

Childhood neglect influences development and increases the risk for and severity of mental illness. Previous study has shown that early life stress (ELS) alters stress circuitry, elevates basal stress hormone, and impairs regulation of the HPA. In this study, we seek to understand the impacts of decreased quality of care and trauma on the cognitive and neural development of rats at adolescence. We used a 1-week limited bedding protocol to induce fragmented care in dams and a 10-minute exposure to fox odor to induce stress in offspring later. Memory function and patterns of brain activity following stressor exposure were assessed …

The Effects Of Trailside/Non-Trailside Sample Collection And Tree Communities On Biodiversity Of Mushroom-Forming Fungi In Public Green Spaces Of New London, Connecticut, Quincy Dowling

Botany Honors Papers

The Kingdom Fungi holds a wealth of biodiversity and potential for better supporting both natural and human communities (Lange, 2014). Mushroom-forming fungi have potential value as sustainable and accessible sources of food in public green spaces (Rombach & Dean, 2023). The purpose of this investigation was to examine the effect of trailside disturbance and tree communities on the diversity and community composition of mushroom-forming fungi in New London, Connecticut. Six public green spaces were identified and surveyed for species richness of mushroom-forming fungi. At each site, two foraging areas of equal area were defined: one along either side of a …

Graduate Catalog, 2023-2024, Valparaiso University

Graduate Catalogs

No abstract provided.

Self-Omics: A Self-Supervised Learning Framework For Multi-Omics Cancer Data, Sayed Hashim, Karthik Nandakumar, Mohammad Yaqub

Computer Vision Faculty Publications

We have gained access to vast amounts of multi-omics data thanks to Next Generation Sequencing. However, it is challenging to analyse this data due to its high dimensionality and much of it not being annotated. Lack of annotated data is a significant problem in machine learning, and Self-Supervised Learning (SSL) methods are typically used to deal with limited labelled data. However, there is a lack of studies that use SSL methods to exploit inter-omics relationships on unlabelled multi-omics data. In this work, we develop a novel and efficient pre-training paradigm that consists of various SSL components, including but not limited …

Characterization Of Cl-Par-4: Wt Vs. Mutant, Samjhana Pandey, Krishna K. Raut, Andrea M. Clark, Antoine Baudin, Lamya Djemri, David S. Libich, Steven M. Pascal

The Graduate School Posters

Intrinsically disordered proteins (IDPs) play important roles in regulation of cell signaling pathways as well as cellular processes. Dysregulation of these proteins is associated with several human diseases. Prostate apoptosis response-4 (Par-4), a proapoptotic tumor suppressor protein, is categorized as an intrinsically disordered protein and downregulation of this protein has been reported in myriad of cancers including glioma, breast cancers, and prostate cancers. The caspase-cleaved fragment of Par-4 (cl-Par-4) plays an active role in tumor suppression by inhibiting several cell survival pathways.

Here, we employed site-directed mutagenesis to introduce a point mutation in the cl-Par-4 wildtype (WT) to generate the …