Digital Commons Network^™

Spectator 2024-04-25, Editors Of The Spectator

The Spectator

No abstract provided.

Predictors Of Student Reenrollment And Graduation During The Covid-19 Pandemic: Student Characteristics And Circumstances, David Wutchiett, A. W. Logue

Publications and Research

The COVID-19 pandemic decreased college enrollment and disrupted academic progress, particularly among disadvantaged students and institutions. Just before the start of the pandemic in spring 2020, 31,511 undergraduate students attending colleges of The City University of New York responded to a survey detailing their circumstances. Lasso regression followed by mixed-effects logistic regression modeling were used to identify predictors of (1) fall 2020 reenrollment, (2) associate’s-degree graduation or transfer to a bachelor’s-degree program by associate’s-degree students by fall 2022, and (3) graduation with a bachelor’s-degree by bachelor’s-degree students by fall 2022. Part-time status, food insecurity, gender, and major predicted reenrollment and …

Passing Away, Xin Li

Theses

My paper revolves these wonderful things from our lives, fading away from our world until even ourselves vanish from this world. I am often hijacked by groundless panic, even when I possess something, I dare not think about losing it, just the thought makes me anxious. I would even rather not have had beautiful things to avoid losing them. In my perception, all beautiful things are fragile, brittle. When I realized I was trapped by this fear, unable to move forward towards a new life, I decided to rescue myself. In the society and culture that I grew up in, …

Cover And Contents

Turkish Journal of Chemistry

No abstract provided.

Improving The Water Solubility Of Cannabidiol Using A Peptide Carrier, Melek Parlak Khalily

Turkish Journal of Chemistry

Cannabidiol (CBD), nonpsychotropic cannabinoid found in Cannabis sativa, is a very promising drug candidate offering many differential effects such as sedative, antiinflammatory, antioxidant, and neuroprotective properties. Nevertheless, the therapeutic use of CBD is hindered by its lack of water solubility and relatively low bioavailability. Various carriers have been used to address the solubility issues of CBD and other highly lipophilic drugs so far. However, self-assembled peptide nanostructures as carrier have not been used to improve the water solubility of CBD yet. In this study, a self-assembling peptide micelle was demonstrated to be an effective vehicle for encapsulation of CBD and …

Computational Drug Repurposing Effort For Identifying Novel Hits For The Treatment Of Diseases Such As Endometriosis, Uterine Fibroids, And Prostate Cancer, Ahmet Buğra Ortaakarsu, Hi̇lal Medetali̇beyoğlu

Turkish Journal of Chemistry

This research aimed to identify potential drug compounds from the ZINC15 molecule database that could effectively treat GnRH1R-related diseases. The study utilized molecular docking and molecular dynamics methods to achieve this goal, which is crucial in drug repurposing research. The virtual screening process involved analyzing known drug compounds using molecular docking. Additionally, molecular dynamics simulations and MM-GBSA were employed to evaluate the stability of the complexes and determine the interactions between the compounds and protein structure. As a result, this study provides significant insights for treating diseases such as endometriosis, uterine fibroids, and prostate cancer related to GnRH1R. The study …

Hummers’ Method-Assisted Liquid-Phase Exfoliation Enables The Fabrication Of Few-Layer Borophene From Bulk Boron, Mehmet Semih Bingöl, Mehmet Yilmaz, Ahmet Emre Kasapoğlu

Turkish Journal of Chemistry

The fabrication of few-layer borophene (BP) from bulk boron (b-B) is of great importance and still a scientific challenge due to the complex structure and crystallinity of b-B. Herein, we propose a novel technique to prepare a few-layer BP on a large scale with a large lateral size in a well-controlled manner. For this, we employed the Hummers’ method-assisted liquid-phase exfoliation. In the first step, the chemical exfoliation of the b-B as a precursor was performed by the modified Hummers’ method. After chemical exfoliation, mechanical delamination was employed by using an immersion sonicator. Finally, BP sheets were collected with dimensions …

Graphene Aerogels: Part 2 - Derived From Commercial Graphene And Chemically Reduced Graphene Oxide Via Supercritical Carbon Dioxide Drying, Meryem Samanci, Ayşe Bayrakçeken

Turkish Journal of Chemistry

Graphene aerogels (GAs), the most important class of carbonaceous aerogels, have attracted attention of many researchers due to their superior physical and chemical properties. In this study, commercial graphene (GR) and chemically reduced graphene oxide (RGO) were used as graphene-based precursor materials, unlike graphene oxide (GO), which is widely used in the literature in GA synthesis. GAs were synthesized using the sol-gel technique and dried with supercritical carbon dioxide (SCCO2). In addition, graphene-based materials were used in different ratios and their distribution in the aerogel matrix and its effect on surface properties were investigated. In addition, the synthesized GAs were …

Supramolecular Solvent-Based-Vortex-Assisted-Dispersive Liquid Liquid Microextraction Of Sudan Black B In Food Samples Prior To Spectrophotometric Detection, Fi̇gen Erek, Mustafa Tüzen

Turkish Journal of Chemistry

A new, simple and rapid spectrophotometric method was developed for determination of Sudan Black B in food products by supramolecular solvent-based-vortex-assisted-dispersive liquid liquid microextraction (SUPRAS-VA-DLLME). Extraction solvent type, volume of solvent, pH, volume of THF, centrifugation time, vortex time, and sample volume were investigated as optimization parameters of the developed method. Under the optimum conditions, limit of detection and limit of quantification, preconcentration factor and enhancement factor of the developed method were calculated to be 9.01 µg L–1, 29.73 µg L–1, 20, and 55, respectively. The developed microextraction method was successfully applied to food samples for the determination of Sudan …

Usa V. Alice Chu

2024 Decisions

USDC for the District of New Jersey

Usa V. Alice Chu

2024 Decisions

USDC for the District of New Jersey

In Re: Mallinckrodt Plc

2024 Decisions

USDC for the District of Delaware

Study Of Interface Charges Between In-Situ Grown Dielectric And Gan/Algan Hfet Structure By Metal-Organic Chemical Vapor Deposition, Muhammad Hassan Tahir, Nifat Jahan, Md Ghulam Zakir

Faculty Publications

The integration of an oxide layer in metal-oxide-semiconductor high electron mobility transistors (MOSHFETs) plays a crucial role in minimizing gate leakage current and enabling wider gate voltage swings. In this study, we present the fabrication and characterization of GaN/AlGaN heterostructure field-effect transistors (HFETs) capped with a Ga₂O₃ dielectric layer. The oxide was deposited via an in-situ process within a single MOCVD reactor without vacuum interruption. Our findings demonstrate that the in-situ capped HFETs exhibit a significantly lower interface charge density of 4 × 10¹² cm⁻² compared to 1 × 10¹³ cm⁻²·eV⁻¹ observed in ex-situ grown counterparts. These results highlight the …

Tomorrow's Odyssey: Love, Scars, And Change, Maria Mack

Symposium on Research and Creative Expression (SORCE)

Gabrielle Zevin says her novel Tomorrow, Tomorrow, and Tomorrow, published in 2022, is about art, love, video games and time. The games that the main characters Sam and Sadie create reflect outstanding artistry, but they also capture their loving relationship, as it evolves, changes, bruises, and at times, scars. In spite of the challenges in their relationship, intertextual literary motifs and imagery from the epic novel The Odyssey and the Blaschka glass models housed in The Harvard Museum of Natural History in Cambridge, Massachusetts, illuminate their love. The Blaschka exhibit is also the gateway to Sam and Sadie’s journey as …

The Untold Truth Of Master Composer, Joseph Bologne, Dahliah Simone Wilkes

Symposium on Research and Creative Expression (SORCE)

The enigmatic figure of Joseph Bologne, Chevalier de Saint-Georges(1745-99), has been a subject of romance and adventure since the early 19th century. Joseph Bologne was a composer, conductor, and violinist who made many contributions to the sinfonia concertante, a popular orchestral work that emerged in Paris around 1770.It captured the imagination of the public by offering two or more soloists "competing: with each other as well as with the orchestra, in a sort of contest. Bologne played an important role in the musical life of pre-revolutionary France. He also produced violin concertos and some of the earliest keyboard-violin sonatas, wrote …

The Double Life Of Franz Schubert: Der Doppelgänger And Homosexual Identity In 19th Century Vienna, Jasmine Collins

Symposium on Research and Creative Expression (SORCE)

The poet Heinrich Heine and the composer Franz Schubert had faced persecution in their social and cultural contexts for aspects of their identity. Heine grew up during the Napoleonic Wars in Germany, a very turbulent time and environment for Jewish people. This led to conflicting feelings about his own faith, providing the inspiration to write the poem Der Doppelgänger. Heine wrote this poem which incorporated many Jewish undertones, because it was purposely written from a Jewish perspective. Later on, Schubert would use Heine’s Der Doppelgänger as part of his song cycle titled Schwanengesang. Schubert utilizes unique musical elements to illustrate …

Computer Vision-Based System To Study Parking Utilization, Charles Smith, Fayol Ateufack Zeudom, Jay Grossman, Sami Khorbotly

Symposium on Research and Creative Expression (SORCE)

Parking assessments are frequently performed to analyze parking lot usage patterns, including peak utilization periods and overall lot distribution throughout the day. Usually these studies rely on tedious manual labor, requiring researchers to physically go through each parking lot and individually count cars in parking spaces multiple times a day. This puts a limit on how much data can be collected and how many lots can be studied. However, recent advancements in technology, particularly the availability of camera-equipped drones and progress in computer vision and deep learning techniques, have facilitated a transition towards high accuracy, cost-effective, automated approaches. Our study …

The Effect Of Caffeine On Wingate Performance And Blood Lactate Levels For Anaerobic Track And Field Athletes, Victoria Gerhardt

Symposium on Research and Creative Expression (SORCE)

Caffeine is a common supplement used by athletes to aid and enhance their competition performance in a number of different ways. The purpose of this study was to examine the effect that caffeine has on college-aged anaerobic track and field athletes’ performance on a wingate test as well as changes in blood lactate. The participants in the study included 4 males and 3 females. Among these 7 participants, 4 of them did not consume caffeine on a regular basis, and 3 of them considered themselves habitual caffeine users. There were two testing days, and participants were randomly assigned a caffeine …

Harre Union Photo Booth: Back End Overhaul, Trent Miller, Jake Wischer, Lilu Smith, Nathan Fox

Symposium on Research and Creative Expression (SORCE)

The Harre Union at Valparaiso University currently has a vintage photo booth that is run by a Windows Desktop and AutoIt. This has led to issues with reliability and maintainability. To remedy this, the university’s engineering department has requested an overhaul of the toolchain. For this overhaul, the team chose to implement a Raspberry Pi 5 programmed via Python. The Raspberry Pi 5 was chosen because it offers great performance and a simple way to program and assemble an embedded system with complex functionality - all on a 3x2 inch board. Python was used due to its integration with the …

Creative Expression And Documentation: The Who, How, And Why Of Journaling, Cylia Srmek

Symposium on Research and Creative Expression (SORCE)

Processes of utilizing methods of creative expression and individuals’ documentations has been studied as a way to promote individual voice and identity, particularly in the contexts of educational and healthcare settings, as well as online spaces. However, studies on interventions of crafting one’s story and understanding the experiences of others have implied that these settings have often failed those that they serve by presenting limited ideas on what expression can look like. Through a series of ten qualitative interviews and a collection of personal journal entries from Valparaiso University students, this project furthers the notion that having the tools to …

Use Of Plastic Nesting Material And Its Potential Impact On American Robin (Turdus Migratorius) Nests, Elissa G. Torgerson, Chloe Kennedy, Li King, Laurie S. Eberhardt

Symposium on Research and Creative Expression (SORCE)

Rising levels of plastic pollution in the environment continue to impact aquatic and terrestrial organisms, including birds when they incorporate it into their nests. Whether the use of plastic as nesting material is entirely helpful or harmful is largely unknown. Potential detrimental effects of incorporating non-anthropogenic matter as nesting material include entanglement, ingestion, alteration of thermal properties, and increase in predation risk. The proportion of plastic used in robin (Turdus migratorius) nests was determined in 3 types of locations in Northwest Indiana. These sites included shopping area parking lots, Valparaiso University campus, and local parks. Post-breeding season robin …

April 25, 2024, Caa

Minutes

No abstract provided.

The George-Anne Daily, Georgia Southern University

George-Anne Media Group: Newsletters & Magazines

No abstract provided.

Table Of Contents, The Editors

Coal Geology & Exploration

No abstract provided.

Exploring Dynamic Parameters And Tooth Structure Of Self-Propelled Borehole Repairing Drill Bits, Liu Yong, Li Yang, Wei Jianping, Yuan Yongwang, Dai Shuo, Li Linyu

Coal Geology & Exploration

Self-propelled borehole repairing drill bits provide an effective technique for repairing long boreholes that have failed. In order to further improve the borehole repair speed and gas drainage efficiency, based on the theory of jet recoil, the relationship between the jet recoil force and nozzle parameters was analyzed, and a theoretical model was established for rotational mechanics of self-propelled borehole repairing drill bits. Subsequently, the coal-breaking processes of drill bits with different tooth structures were simulated using LS-DYNA, the failure modes in coal mass broken by cutting teeth and the rules of variation in the volume of coal broken by …

Prediction Of Mine Water Inflow Along Mining Faces Using The Ssa-Cg-Attention Multifactor Model, Ding Yingying, Yin Shangxian, Lian Huiqing, Liu Wei, Li Qixing, Qi Rongrong, Bu Changsen, Xia Xiangxue, Li Shuqian

Coal Geology & Exploration

Predicting mine water inflow plays an important role in ensuring mine safety, optimizing resource allocation, and improving work efficiency. This study aims to improve the accuracy and stability of the predicted mine water inflow. Given their strong correlations with water inflow, borehole water level and microseismic energy were chosen as multifactor characteristic variables. Using these variables, this study developed the SSA-CG-Attention multifactor prediction model for mine water inflow along mining faces. The new model extracted effective nonlinear local features of data utilizing a new network structure, which was formed by integrating a convolutional neural network (CNN) based on the time …

Intelligent Identification Method For Overburden Three Zones Of A Goaf, Li Jianwen, Zhao Wen, Wu Zhenkun, Xu Xiaobing, Wang Qingtao, Duan Longchen

Coal Geology & Exploration

In this paper, an intelligent identification method was proposed to ascertain overlying strata failure types and fracture development in the overlying strata of a goaf, and identify three zones (sagging zone, fractured zone and caving zone) quickly and accurately. This method is expected to be a basis in later development of goaf treatment plans. A coal mine goaf in Shandong Province was introduced for case study, where the Bayesian Online Changepoint Detection (BOCD) algorithm was employed to analyze the changes and response characteristics of the drilling fluid loss and drilling rate over the drilling process at the boundaries of three …

Board Of Trustees Meeting Minutes, April 25, 2024

Board of Trustees Minutes

Minutes from the Wright State University Board of Trustees Meeting held on April 25, 2024.

How Dna Reveals God’S Design, Alan L. Gillen

Faculty Publications and Presentations

Codes are big in today’s world: QR codes, barcodes, computer codes, cell phone codes, and more. Specific information is needed to identify, diagnose, and inform. DNA is the code for life: microbes, plants, parasites, animals, and man. DNA Day is April 25 because it was this day in history (April 25, 1953) when James Watson and Francis Crick described DNA as the double helix and the code for life. Although we consider DNA the genetic blueprint for life, it has only been known for 80 years. On February 1, 1944, Oswald Avery, Colin MacLeod, and Maclyn McCarty wrote a revolutionary …

Jazz Guitar Ensemble, Vocal Jazz Ensemble, And Jazz Piano

Bailey School of Music Concert Programs

Karla Harris and Trey Wright, Conductors

Tyrone Jackson, Piano