Digital Commons Network^™

Synthesis And Characterization Of New Azo-Schiff Bases And Their Biological Activity, Hamid Hussein Eissa

Yanbu Journal of Engineering and Science

This work focused on the synthesis of new azo Schiff bases which were prepared by condensation of 3-formyl-4-hydroxy phenylazo benzene with both 1,3-diamino xylylene, 2,6-diamino Pyridine, 1,5-diamino-2-methyl pentane respectively. The Schiff bases were checked by different spectral technique (LC-MS, GC-MS, 1H-NMR, IR). The new azo Schiff Bases were studied for antibacterial activities against (Bacillus subtilis and Staphylococcus aureus) are Gram positive and (Salmonella typhi and Escherichia coli) is Gram negative. The azo compound ligand were exhibited a vari-able activity of inhibition on the growth of the bacteria.

Aqueous Mediated Diels-Alder Reaction: A Simple Route To The Synthesis Of Piperizine Derivatives, Rasheeth Ahmed Khan, Lakshmi Krishnamoorthy, Karthik S

Yanbu Journal of Engineering and Science

Water is the most environmentally benign inexpensive solvent, and therefore aqueous mediated organic reactions constitute the ideal green chemistry. We herein report an environment friendly Diels Alder reaction of biologically active dihydropyrimidine (DHPM) as dienophile with glyoxime, dimethyl glyoxime and diaminoglyoxime as diene using water as solvent. Though the reaction was slow at room temperature, rate enhancement was observed when it was carried out at the reflux temperature. Further the reaction was also found to proceed smoothly with N-phenyl maleimide as dienophile.

Synthesis, Spectral, Thermal Decomposition, Kinetic And Antimicrobial Studies Of Azo-Schiff Bases, Hamid Hussein Eissa

Yanbu Journal of Engineering and Science

In this work we focused on the synthesis of new Azo-Schiff bases which were prepared by condensation of 3-formyl-4-hydroxy phenylazo benzene with both 1,4-Bis (3- aminopropyl) piprazine, thiocarbohydazide respectively. The Schiff bases were analyzed by different spectral techniques (LC-MS, GC-MS, 1H-NMR, IR). The new Azo-Schiff Bases were studied for antibacterial activities against gram positive (Bacillus subtilis and Staphylococcus aureus) and gram negative (Salmonella typhi and Escherichia coli) agents. The azo compound ligand exhibited a variable activity of inhibition on the growth of the bacteria. The compounds were subjected to simultaneous thermogravimetric analysis to study their decomposition mechanism and thermal stability.

Synthesis And Antimicrobaial Evalution Of 3-Isobutyl-2,6-Di(Thiophenyl-3) Piperidin-4-One Derivatives, Kholoud Fahad Hamak, F. Kandil

Yanbu Journal of Engineering and Science

In awide a program of extensive search for new and efficient antimicrobial agents,3- isobutyl -2,6-di(thiophenyl-3)piperidin-4-one(1) and its derivatives (2-4) were synthesized and characterized by IR,LC-MS,'H-NMR, C-NMR.The synthesized compounds 1-5 were tested for their antibacterial activity in vitro against streptococcus bacillus subtilis, Esherichia coli, pseudomonas, and Klebsiella peumoniae. as the standard drug" streptomycin" was used.

Influence Of The Experimental Conditions On The Removal Of Dyes From Aqueous Solutions Using Ultrafiltration, E. N. El – Qada’, N. M. Haimour

Yanbu Journal of Engineering and Science

The main aim of this paper is to investigate the ability of hollow fiber ultrafiltration membrane of MWCO of 5 KD made of polysulfone to remove reactive dyes from wastewater. Two reactive dyes, violet 5R and C.I red 222.1, were studied under different experimental conditions of flow rate, temperature, concentration, pH, and transmembrane pressure to determine the best conditions under which the highest percentage of dye removal can be achieved. Binary systems of the two dyes prepared in different ratios to study the ability of membrane to treat solutions containing dye mixtures. It was showed that 91% of violet dye …

Creating And Measuring Relative Hardness Feeling Via Master-Slave Haptic Gripper, Te Tiong Tay, Kiong Wong

Yanbu Journal of Engineering and Science

This paper discusses the completed work in designing a master-slave haptic gripper system aiming to recreate the relative hardness feeling of different real test objects at the slave gripper to the user at the master gripper. The main contribution of this paper is to prove the feasibility of recreating the relative hardness feeling of real objects to the users as oppose to recreating the hardness feeling of virtual objects which has been proven to be feasible for quite some time. Three experiments involving twenty test subjects and fifteen pairs of test object combinations are conducted to evaluate the performance of …

The Importance Of Country Of Origin In Vaccine Messaging For H-2a Farmworkers, Anna M. Scheyett, Maria Bowie, Virginia Brown, Andrea Scarrow

Journal of the Georgia Public Health Association

Background: H-2A farmworkers are disproportionately vulnerable to COVID-19 and understanding their beliefs regarding COVID-19 vaccines is important for public health outreach, yet to date little research has examined the influence of country of origin (COO) on the vaccine beliefs of this uniquely transient population.

Methods: Three focus groups (N=30) were held with H-2A farmworkers in South Georgia to explore their beliefs on COVID-19 vaccines, using thematic analyses to identify COO influences on these beliefs.

Results: Family in COO influenced worker vaccine beliefs through direct advice, commonly held beliefs in COO about harmful government agendas via vaccines increased worker vaccine fears, …

Gratings For Enhanced Sensitivity: Advancing D-Shaped Optical Fiber Surface Plasmon Resonance Sensors With Ag-Fe2o3 Structures, Yomna Seliem, Sameh O. Abdellatif

Electrical Engineering

This research delves into enhancing biosensing sensitivity by optimizing D-shaped optical fiber surface plasmon resonance (SPR) sensors employing - structures. By investigating the influence of different grating structures—rectangular, triangular, and elliptical—on sensor performance, a comprehensive analysis was conducted to ascertain the impact of these structural variations on sensitivity and detection precision. The study revealed that while the rectangular structure exhibited a sensitivity of 6.4 µm/RIU, the triangular structure outperformed with an impressive sensitivity of 7.2 µm/RIU. Moreover, the detection accuracy, quantified by the detection angle (DA), reached µ for the triangular grating, surpassing the rectangular grating’s detection angle of µ. …

Impact Of Fresh-Cut Onion Types And Flavonoid Profiles On The Survival Kinetics Of Foodborne Pathogen During Refrigerated Storage, Veerachandra Yemmireddy, Matthew Mancias

School of Earth, Environmental, & Marine Sciences Faculty Publications

This study investigated the effect of onion flavonoid profiles on the growth, survival, and/or death kinetics of foodborne pathogens in fresh-cut onions at 4 °C. Fresh-cut white, yellow, red, and sweet onions were inoculated with separate four-strain cocktail(s) of nalidixic acid-adapted Salmonella spp., Escherichia coli O157:H7, and Listeria monocytogenes achieving a 4 to 5 log CFU g−1. The samples were stored in clam shell containers at 4 °C and 70 ± 2 % relative humidity for 14 days. Additionally, flavonoid profiles were determined on uninoculated control samples stored under similar conditions using standard chromatography techniques, with quercetin derivatives identified as …

Tubulin Transforms Tau And Α-Synuclein Condensates From Pathological To Physiological, Lathan Lucas, Phoebe S Tsoi, My Diem Quan, Kyoung-Jae Choi, Josephine C Ferreon, Allan Chris M Ferreon

Faculty, Staff and Students Publications

Proteins phase-separate to form condensates that partition and concentrate biomolecules into membraneless compartments. These condensates can exhibit dichotomous behaviors in biology by supporting cellular physiology or instigating pathological protein aggregation 1–3 . Tau and α- synuclein (αSyn) are neuronal proteins that form heterotypic (Tau:αSyn) condensates associated with both physiological and pathological processes. Tau and αSyn functionally regulate microtubules 8–12 , but are also known to misfold and co-deposit in aggregates linked to various neurodegenerative diseases 4,5,6,7 , which highlights the paradoxically ambivalent effect of Tau:αSyn condensation in health and disease. Here, we show that tubulin modulates Tau:αSyn condensates by promoting …

Prediction Of Unit Haulage Cost In An Underground Mine Using Machine Learning Techniques, Marco Cotrina, Jairo Marquina, Junior Polo

Journal of Sustainable Mining

The primary objective of the research was to apply machine learning techniques to forecast the unit costs of ore hauling in an underground mine. The methodology employed was quantitative, with a non-experimental and descriptive design. Haulage data were collected over a 12-month period. Furthermore, an exploratory data analysis (EDA) was conducted using various models, including ANN-MLP (Artificial Neural Network – Multilayer Perceptron), Random Forests, Extreme Gradient Boosting, Support Vector Regression, Decision Tree, KNN, and Bayesian Regression, to handle the data’s complexity. The data were split into 80% for training, 10% for testing, and 10% for validation. The results indicated that …

“Hippo” Law Law And The Biodiversity Crisis Of Habitat Loss, Invasive Species, Pollution, Population, And Overharvesting, Andrew W. Torrance, Bill Tomlinson

UC Law SF International Law Review

This article explores the critical issue of biodiversity loss through the lens of the “HIPPO” acronym coined by Edward O. Wilson: Habitat loss, Invasive species, Pollution, Population, and Overharvesting. It examines the ecological and social ramifications of declining biodiversity and assesses existing legal frameworks aimed at mitigating these threats. Furthermore, the article proposes innovative legal mechanisms to address each HIPPO factor, offering a legal approach that spans many different domains. By integrating comparative legal analysis and suggesting forward-looking legal reforms, this work aims to contribute to the conservation efforts essential for sustaining biodiversity in the face of escalating environmental challenges.

Comparative Analysis Of Oxygenators And Anticoagulation Strategies In Neonatal And Pediatric Ecmo Patients, Debra E. Newton, Johanna I. Orrick

Presentations

Background: Due to supply chain challenges, our institution transitioned from Pediatric Quadrox oxygenators to Nautilus oxygenators for neonatal and pediatric extracorporeal membrane oxygenation (ECMO) patients. During this transition, variations in anticoagulation results were observed with bivalirudin, the first-line anticoagulant, in patients weighing less than 8 kg. This study aimed to evaluate heparin as an alternative anticoagulant in this patient population utilizing Nautilus oxygenators. Methods: A retrospective analysis was conducted on 29 neonatal and pediatric ECMO patients (weight range: 2.3–6.1 kg). Patients were divided into three groups based on oxygenator and anticoagulant type: · Group 1: Quadrox with bivalirudin (n=11) · …

Stifled Voices: World War Ii From The Upper Peninsula, Elijah H. Croschere

HS 390 Primary Research Papers

Academic scholarship on World War II is primarily based around letters and correspondence between soldiers and their families. A large body of such correspondence exists for both the Upper and Lower Peninsulas of Michigan; yet, most scholarship on the state’s connection to World War II is centered around strictly the Lower Peninsula. This is especially strange when comparing the data on enlisted soldiers from both Peninsulas, as we find the percentage of the population who enlisted in the US Army from the Upper Peninsula is roughly double that of the percentage for Lower Peninsula enlistments. There are clear reasons as …

Making Waves: Depression Era Violent Crime In The Upper Peninsula And The United States, Zoe Jancek

HS 390 Primary Research Papers

The Great Depression overlaps with several other important historical eras, all of which had their own impact on crime. This study looks at stressors throughout the decade of the Great Depression to attempt to understand how they affect people and therefore, how they affect the amount of violent crimes committed in both a broad and specific sense. Using statistics and historical accounts, this research analyzes topics such as culture, mental and physical health, substance abuse, gangs, and the effects of Prohibition. The fluctuations can be attributed to economic, social, and cultural factors such as Prohibition and the rise of organized …

The March Of The Naples Soldier: A Look Into The Spanish Flu Pandemic 1918-1920, Javier Pena Reyes

HS 390 Primary Research Papers

This paper dives into the memory of Spanish Influenza from 1918 to 1920. It will analyze and deconstruct the fear caused or absent during that time and later in the records and literature. The comparison of the time of the Spanish Flu will be contrasted with the memory of the time period with the including of Pale Horse, Pale Rider, which was written in 1939. It will compare these two times and conclude with the recent COVID-19 pandemic from 2019 to 2021.

It was November 2019, and reports of a new respiratory disease from Wuhan, China, began to trickle …

Cargo Hitchhiking Autophagy - A Hybrid Autophagy Pathway Utilized In Yeast, Katrina F Cooper

Rowan-Virtua School of Osteopathic Medicine Departmental Research

Macroautophagy is a catabolic process that maintains cellular homeostasis by recycling intracellular material through the use of double-membrane vesicles called autophagosomes. In turn, autophagosomes fuse with vacuoles (in yeast and plants) or lysosomes (in metazoans), where resident hydrolases degrade the cargo. Given the conservation of autophagy,

Tubulin-Egfp-Myc-Mir-137-Sensor Plasmid To Validate The Efficacy Of Mirna (Mir-190, In This Case) In Regulation Of Its Target Gene Myc, An Oncogene, Manivannan Subramanian, Amit Singh

Plasmids

Tubulin-EGFP-Myc-miR-137-sensor Plasmid to validate the efficacy of miRNA (miR-190, in this case) in regulation of its target gene Myc, an oncogene.

Using Stable Isotope Analysis To Investigate The Trophic Ecology Of Aquatic Insects, Shelby Ann Medlock

Master's Theses

Despite their abundance on the landscape, ponds and associated macroinvertebrate assemblages have largely been underrepresented in scientific studies, which usually focus on lakes or streams. Similar to other waterbodies, ponds can harbor high levels of invertebrate biodiversity, which is important as aquatic insects are experiencing declines due to habitat destruction, pollution, climate change, and invasive species introductions. To evaluate how these threats impact pond insects and the ecosystem services they may provide, a thorough understanding of their ecology is essential. However, significant knowledge gaps remain, especially regarding trophic levels and species-specific diets. To address these knowledge gaps, I used carbon …

Enhancing The Efficiency Of Eaop Degradation Using Ultrasound: A Study With Methylene Blue And Pfoa As Model Pollutants, Jamiu Busayo Ahmed

Master's Theses

No abstract provided.

Associations Among Shopping Methods, Diet Adherence, And Nutrition Knowledge Of Employed Primary Grocery Shoppers In Households With Children, Baylee Schneider

Master's Theses

Obesity is a prominent risk factor for chronic disease, which is the leading cause of death in the United States. Obesity and chronic disease rates continue to rise, requiring a need for prevention and intervention efforts. The future role of dietetics is to provide treatment and prevention through holistic approaches, by understanding individuals’ habits that contribute to the onset of disease, specifically their food choices, grocery shopping methods, and influences that waver these selections. The purpose of this study is to evaluate the relationship between grocery shopping methods (online or in-store), Mediterranean diet adherence, nutrition knowledge, and food purchase patterns …

Developing Humanistic Clinicians: A Review Of Literature, Andrew Taylor, Willie Capers

The Journal of the Research Association of Minority Professors

Humanistic clinicians possess scientific and technical competence and demonstrate essential virtues like empathy, compassion, patience, love, and courage. Humanistic clinicians are trained with an emphasis on the sciences and the humanities. The humanistic clinician is therefore better equipped to care for patients, the patient’s family members, other clinicians, and themselves. Defining empathy can be problematic due to a lack of consistent definition. Relevant literature regarding empathy was reviewed before settling on a working definition. Several pedagogical approaches encourage the moral development of clinicians. The methods and purpose of those approaches are explained. Illness narratives or pathography is a particular type …

2024-2025 Lindenwood University Honors Convocation, Lindenwood University

Honors Convocation Programs

2024-2025 Lindenwood University Honors Convocation

Noncoincidence In The Brothers Karamazov, Stewart Justman

Global Humanities and Religions Faculty Publications

The intricate plot of The Brothers Karamazov turns upon conjunctions of events which, on inspection, turn out not to be coincidental. Only by probing the often-subtle connections between events can we appreciate the implications of actions and failures to act in this astonishing work. The Brothers Karamazov tells not of a mysterious power called Coincidence that orders human affairs, but of the responsibilities of human agents, and its wonder lies not only in philosophical excurses like the Grand Inquisitor episode, which seem to transcend its pages, but in the complexity of its own construction.

The Present And Future Of Ai: Ethical Issues And Research Opportunities, Ankita Srivastava, Marco Marabelli, Danielle Blanch-Hartigan, Jeffrey Moriarty, Evan Carey

Philosophy Faculty Publications

Healthcare is currently a fast-changing industry with AI and generative AI (GenAI) playing a prominent role in the transformation of clinical as well as managerial practices. Clinical practices involve AI to diagnose diseases and develop new drugs and compounds, while managerial practices concern AI-supporting processes such as billing patients and insurance companies, handling electronic medical records, and supporting remote connections with patients, increasingly using virtual and augmented reality. Yet, all these opportunities offered by AI come with challenges involving potential ethical issues, such as discrimination, bias, lack of accessibility, and privacy issues. In March 2024, we organized a panel with …

Comparison Of Caregiver-Reported Dietary Intake Methods In Zellweger Spectrum Disorder, Mousumi Bose, Nancy L. Von Thun, Adrian L. Kerrihard, Melisa L. Lopez, Chelsea I. Donlon, Alyssa K. Smolen, Nicole P. Fontes

Department of Nutrition and Food Studies Scholarship and Creative Works

Background/Objectives: Zellweger spectrum disorder (ZSD), a rare genetic disease characterized by defects in peroxisome biogenesis, results in dysfunction of all organ systems, including feeding difficulties, gastrointestinal bleeding, and reduced overall growth. Despite this nutritional impact, no published studies have assessed dietary intake in ZSD. The purpose of this study was to determine nutrient intake in individuals with ZSD or a related peroxisomal disorder using two methods of dietary assessment as provided by family caregivers. Methods: Family caregivers participated in multiple 24 h dietary recall interviews and completed 3-day food records for their child with ZSD or a related single-enzyme peroxisomal …

An Exploratory Case Study Of A Community Food Pantry In Northwest Louisiana, Abigail Clair Henington

Master's Theses

Many individuals are struggling with food insecurity in Louisiana; according to the Louisiana Food Bank Association's website, Feeding Louisiana’s 2023 impact report, an estimated 683,100 people in Louisiana experience food insecurity. In northwest Louisiana, 30% of the population lives below the poverty line, with an average income of $34,485 per household. Common Ground is a nonprofit community outreach program in Northwest Louisiana, specifically Shreveport. The program has been in operation for over 20 years and strives to provide a place free of judgment and a place of common ground for those in the Cedar Grove community. Each week, they have …

If You Were A Sesame Street Character, Which One Would You Be? Natural Language Processing And Personality With Big Bird And Friends, Joseph Uran Meyer

Doctoral Dissertations

This paper examined and compared several natural language processing and machine learning techniques in predicting self-reported Big Five personality traits from text responses. The models were validated on the open-source 2019 SIOP Machine Learning Competition dataset (N = 1,689). The techniques evaluated included bag-of-words, Empath dictionary, LSTM networks, fine-tuning Transformer models, and stacked generalization. Results indicated that the present study’s models had lower error in four of the five constructs analyzed. Limitations of the study include use of an MTurk sample and small sample size. Future research should explore similar techniques on larger applicant samples. Practical implications and contributions to …

Aged 539 Graduate Internship Report - Avenal High School, Ryan D. Deaver

Agricultural Education: Graduate Internship Reports

This report includes documentation that Avenal High School meets the quality criteria required for High School Agriculture Education Programs. The documents are used for reviewing a school as well as applying for grant funding through the Agriculture Incentive Grant. There are supporting documents provided to show proof of things that are being done as well as areas that may need improvement.

The Virtual Wunderkammer: Integrating Neuroinclusive Design And Ai-Augmented Technologies For Immersive Museum Experiences, Piper Hutson, James Hutson

Faculty Scholarship

The Virtual Wunderkammer represents an innovative paradigm in museum exhibition design, integrating neuroinclusive principles with artificial intelligence (AI)-augmented technologies to foster immersive and cognitively accessible visitor experiences. Historically, the Wunderkammer, or "cabinet of curiosities," served as a precursor to modern museums, offering eclectic collections that stimulated intellectual curiosity and sensory engagement. The contemporary reimagining of this concept utilizes emerging technologies such as augmented reality (AR), virtual reality (VR), haptic feedback, and olfactory-enhanced digital environments to create personalized, adaptive museum experiences. This study explores the critical intersection of neuroaesthetics, cognitive science, and AI-driven interactivity in digital exhibitions, emphasizing their potential to …