Digital Commons Network^™

A Multiple Case Study On Cisgender Women Experiences In Electrical And Computer Engineering And Computer Science Majors, Alena Marie Degeorge

Theses and Dissertations

Gender disparities are found in Science, Technology, Engineering, and Math (STEM) education because of gender norms and stereotypes that project the ideology that men are better at those subjects than women. Women who pursue a college education in STEM encounter barriers that influence them to switch to a non-STEM-related major making them part of the leaky pipeline. This case study examines the experiences that junior and senior cisgender women have while pursuing an electrical and computer engineering or computer science degree and how they overcome barriers they encounter to continue their educational pursuits in a Computer Science and Engineering (CSE) …

D.A.M.P.E.R.: Delay And Attenuation Modules For Propagation Emulation And Response, Matthew Guntz

Electrical and Computer Engineering Senior Theses

The DAMPER project, which stands for Delay and Attenuation Modules for Propagation Emulation and Response, is a hands-on system designed to help test how radio signals behave in the real world. When radio waves travel over long distances or through different environments, they often get weaker (attenuated) or arrive later than expected (delayed). DAMPER lets students, researchers, and engineers simulate those conditions in a lab using simple, low-voltage electronics.

Gnss Technology, Utah State University Space Dynamics Laboratory

Space Dynamics Laboratory Publications

SDL presentation on GNSS Technology

Minimum Ghg Emissions And Energy Consumption Of U.S. Pet And Polyolefin Packaging Supply Chains In A Circular Economy, Utkarsh S. Chaudhari, Abhishek Patil, Tasmin Hossain, David Watkins, Damon S. Hartley, Barbara K. Reck, Robert Handler, Anne T. Johnson, Vicki S. Thompson, David Shonnard

Michigan Tech Publications

There is a wide agreement on the urgency of transforming linear management of plastics towards a circular economy model. However, no clear pathways exist as to required recycling technologies involved and system-wide environmental impacts. This study explores such pathways in the U.S. for the most commonly used packaging plastics through a combination of mechanical and emerging advanced recycling technologies. A system optimization model aimed at minimizing environmental impacts was developed to determine optimal end-of-life (EOL) management and locations of existing and emerging U.S. recycling infrastructures. Our study includes material flows from virgin resin production through semi-manufacturing processes to existing EOL …

Ada News - 06/02/2025, American Dental Association, Publishing Division

ADA News

Established in 1970 as the official newspaper of the American Dental Association, the ADA News serves practicing dentists and others allied to the dental profession in the U.S. and internationally. It is the No. 1 source of news and information about the many benefits and services the ADA delivers to members daily as well as timely information on scientific, social, political and economic developments affecting dentistry and health care.

Understanding The Perceptions Of Campus Racial Climate Of Black Undergraduate Students At A Pwi, Solana Reyes

Theses and Dissertations

The study explores the perceptions of Black undergraduate students regarding the racial climate at a predominantly white institution (PWI). Utilizing quantitative methodologies, the research examines how Black students experience and interpret interactions, institutional policies, and campus culture as they navigate spaces often characterized by racial homogeneity. Key areas of focus include feelings of belonging, exposure to microaggressions, access to culturally relevant resources, and the role of peer and faculty support in shaping these experiences. Findings reveal a complex interplay of support and alienation, with participants reporting both affirming and discriminatory experiences. Many students highlighted the significance of student-led cultural organizations …

A Multimodal Therapeutic Strategy For Inflammatory Bowel Disease Using Microrna-146a Mimic Encapsulated In Lipid Nanoparticles., Kanika Suri, Vishnu Hosur, Rohit Panchakshari, Mansoor M Amiji

Faculty Research 2025

Dysregulated microRNAs (miRNAs) have significant potential as diagnostic tools for various chronic diseases; however, their therapeutic applications remain largely unexplored. Given their capacity to regulate multiple pathways, miRNAs are promising candidates for treating pleiotropic diseases, such as inflammatory bowel disease (IBD). In our study, we conducted a comprehensive review of the literature of miRNA-146 levels in the inflamed tissues of IBD patients and murine colitis models. Initially, we quantified the expression of miRNA-146a and miRNA-146b in the colons of mice using the dextran sodium sulfate (DSS)-inducedacute model of IBD. We selected miRNA-146a for further study due to its anti-inflammatory properties …

Preparation Of Potato Protein Fiber By Trypsin Method And Its Structural And Functional Properties, Zhou Xiangjun, Li Miao

Food and Machinery

［Objective］ To investigate the preparation of potato protein fiber (PPF) based on enzymatic method,and further analyze their structural and functional properties.［Methods］ PPF is prepared from potato protein isolate (PPI) through enzymatic hydrolysis with trypsin (Tyr) and acid -heat treatment.The effects of protein mass concentration,heating time,Tyr activity,and heating temperature on the fluorescence intensity of PPF are studied.Structural properties of PPF are characterized by infrared spectroscopy,fluorescence spectroscopy,etc.With curcumin (Cur) as an encapsulated object,the encapsulation efficiency,loading capacity,thermal stability,and antioxidant activity of PPF -Cur complexes are investigated.［Results］］ During the fibrosis process of PPF,the β-sheet content increases from 28.12% to 32.29%,and the α-helix content increases …

Extraction , Purification , And Structural Characteristics Of Polysaccharide From Roasted Beans Of Coffea Arabica, Shen Xiaojing, Ye Renfeng, Gong Shuchun, Wang Hongsheng, Jiang Weiwei

Food and Machinery

［Objective］ To study the composition and structural characteristics of polysaccharides from roasted beans of Coffea arabica.［Methods］ Roasted beans of C.arabica were used as raw materials.The hot water extraction combined with alcohol precipitation method was optimized using the response surface methodology to extract polysaccharides.The crude polysaccharide was purified using the Sevag method,macroporous resin,cellulose column,and gel separation technology.Total sugar,total phenol,total flavonoid,and monosaccharide compositions were analyzed using the phenol -sulfuric acid method,Folin -Ciocalteu assay,NaNO2-AlCl3-NaOH method,and ion chromatography,respectively.The structural characteristics of the polysaccharides were characterized by infrared spectroscopy (IR) and scanning electron microscopy (SEM ).Additionally,the in vitro antioxidant activity of the polysaccharides was evaluated.［Results］］ …

Determination Of Carbendazim Residues In Various Vegetable Oils Based On Three-Dimensional Fluorescence Spectroscopy, Xiao Jian, Xia Alin, Huang Wei

Food and Machinery

［Objective］ To develop a rapid and accurate method for the determination of carbendazim residues in vegetable oils.［Methods］ Three -dimensional fluorescence spectroscopy combined with chemometrics was used for the quantitative analysis of carbendazim residues in vegetable oils.Three different vegetable oil extracts were added to carbendazim to prepare samples,and their three -dimensional fluorescence spectra were measured.Parallel factor (PARAFAC ),full -rank parallel factor (FPA -PARAFAC ),and alternating trilinear decomposition (ATLD ) were used to analyze carbendazim in the samples.The figures of merit (FOM ),such as selectivity,sensitivity,detection limit,and quantification limit,were calculated for the three algorithms,and tested using the elliptical joint confidence region (EJCR ).［Results］］ …

Comprehensive Evaluation Of Nutritional Quality And Flavor Properties Of Caidian Characteristic Lotus Sprout, Zhang Xiaomin, Ding Rui, Wu Yangang, Wu Zhengsi, Chen Mengyuan, Liu Yan, Guo Xiao, Gong Zhiyong

Food and Machinery

［Objective］ To investigate the nutritional quality and flavor characteristics of the unique lotus sprout in Caidian.［Methods］ A texture analyzer,electronic nose,solid -phase microextraction -gas chromatography -mass spectrometry (SPME -GC-MS),and gas chromatography -ion mobility spectroscopy (GC-IMS ) were used to analyze the textural properties and volatile organic compounds (VOCs ) 引用格式：张小敏，丁瑞，吴艳刚，等.蔡甸特色藕带的营养品质及风味特性综合评价 ［J］.食品与机械，2025，41（4）：139-147.C itation:ZHANG Xiaomin,DING Rui,WU Yangang,et al.Comprehensive evaluation of nutritional quality and flavor properties of Caidian characteristic lotus sprout [J].Food & Machinery,2025,41(4):139-147.of three primary lotus sprout varieties,i.e.,"Maosanjie","Baiyuzan 2",and "Elian 5" in Caidian.The nutritional quality of these three lotus sprouts was comprehensively evaluated through principal component analysis.［Results］］ Significant differences were found in the …

Effects Of Four Extraction Methods On The Quality Of Arrowhead Starch, Ji Derong, Zhou Tingting, Wu Shan, Duan Lili, Wang Ruyu, Qiao Mingfeng

Food and Machinery

［Objective］ To compare the effects of four extraction methods (ancient method,wet method,alkaline method,and cellulase method ) on the yield and physicochemical quality of arrowhead starch.［Methods］ With fresh arrowhead taken as raw material,arrowhead starch is extracted by the four methods mentioned above.Then,the physicochemical properties of the starch are analyzed and compared.［Results］］ The yield of starch extracted by the wet method is the highest (9.17%),with the best freeze -thaw stability.The content of amylose is the highest in the starch extracted by the cellulase method (70.13%).However,for the starch extracted in this method,the granularity is relatively large and the surface is not smooth enough.The …

Arts-Based Sustainability: From New York To Malawi, Martha B. Lerski

Publications and Research

Recognizing that libraries serve multiple constituencies and subject areas, this chapter documents and advocates for development of transdisciplinary arts-based research (ABR) and culture-related projects linked to environmental challenges. Libraries contribute collections and spaces, as well as the research of library and information scientists. Libraries are currently among invisible contributors to sustainability planning and services. The chapter will link this invisibility to the value of what visual arts refer to as negative space elements in subjects ranging from traditional ecological knowledge to environmental science. Library collections, projects, and research contribute to education for sustainable development (ESD) as required to achieve the …

Investigating Solvent Effects On Crystallization Kinetics, Ibrahim Joel

Theses and Dissertations

The use of crystallization for separation is not a recent phenomenon. However, the development of efficient crystallization processes is continually being challenged by the complexity and high cost of new drug substances, coupled with stringent regulatory requirements, which add to the uncertainty surrounding drug launches by pharmaceutical enterprises. Accurate characterization of crystallization kinetics is a key step in crystallizer design, which can be influenced by several factors, including process conditions, scale, and the measurement techniques used for tracking particle evolution. These factors often lead to inconsistencies between kinetic studies, hindering rapid implementation within industrial contexts. This thesis presents a case …

Managing Values-Based Purchasing In School Nutrition Programs, Laura Lee Benavidez

Walden Dissertations and Doctoral Studies

School nutrition managers face the challenge of balancing values-based purchasing (VBP) with maintaining student participation and budgetary stability. While VBP integrates sustainability, environmental impact, and animal safety, these priorities may sometimes compete with traditional goals, such as cost efficiency and meal accessibility. Grounded in program evaluation theory, the purpose of this mixed methods explanatory sequential study was to examine how school food service managers implement VPB, integrating procurement and nutrition transparency while managing participation and costs. The quantitative phase focused on participation trends, cost structures, and procurement metrics across diverse school districts to establish a foundation for understanding VBP’s measurable …

Having A Cow: Exploring The Economic And Mental Health Challenges Of Dairying In The Upper Valley, Ava J. Ori

Environmental Studies Senior Theses

Until late in the 20th century, the dairyman was an influential actor in the fabric of the Upper Valley consisting of Grafton, Orange, Sullivan and Windsor counties (Rozwenc, 1981 & Weld, 1905). Dairy farmers were critical to both the economic growth of the region and the construction of a local identity centered around distinctive high quality dairy products. However, the dairy farmers responsible for the bucolic feel and scrappy independence unique to the Upper Valley are being traded in for massive operations lacking both quality of milk and the cultural intricacy specific to local dairies. In 1905 there were 4,173 …

Molecular Insights Into The Role Of Estrogen Receptor Beta In Ecdysterone Mediated Anabolic Activity, Syeda Sumayya Tariq, Madiha Sardar, Muhammad Shafiq, Hendrick Heinz, Mohammad Nur-E-Alam, Aftab Ahmad, Zaheer Ul-Haq

Pharmacy Faculty Articles and Research

Ecdysterone, often dubbed a “natural steroid,” has garnered significant attention among athletes for its reputed growth-promoting and anabolic properties. Unlike synthetic anabolic steroids, which are classified as controlled substances, ecdysteroids remain largely unregulated in many countries and are widely marketed as dietary supplements. Notably, ecdysterone has been included in the World Anti-Doping Agency (WADA) monitoring program, highlighting its potential impact on athletic performance and raising questions about its regulation. Emerging evidence indicates that, unlike traditional anabolic steroids that act primarily via the Androgen Receptor (AR), ecdysterone’s anabolic effects may be mediated through Estrogen Receptors (ERs), particularly Estrogen Receptor beta (ERβ). …

Deep Imputation Of Missing Values Using Feature And Sample Attention, Ibna Kowsar

Tennessee State University Alumni Theses and Dissertations

The handling of missing values is a pervasive challenge in tabular data sets, particularly in electronic health records (EHR), where incomplete data can hinder predictive modeling. Data with missing values are unfit for machine learning, whereas the imputation of missing values affects data quality and data-driven outcomes. Traditional statistical and machine learning-based imputation techniques often struggle with high missing rates and complex missing patterns. This thesis investigates the deep learning of attention between features and between samples in missing value imputation. These two attention mechanisms jointly capture the row-column structure of tabular data. It presents a novel deep learning framework …

From Lists To Infinite Scroll: A Comparative Analysis Of Youtube’S Two Recommendation Algorithms, Selimhan Dagtas

Theses and Dissertations

As social media platforms increasingly dominate information consumption, the role of recommendation algorithms in determining user experience has grown both in complexity and impact. This thesis investigates the behavioral patterns and algorithmic preferences embedded within YouTube’s recommendation systems, comparing long- form videos with the rapidly growing category of short-form content, YouTube Shorts. Through a combination of automated data collection, engagement metric analysis, emotional sentiment detection, and toxicity assessment, this study analyzes the evolution of content over successive recommendation depths. Using a controlled digital environment, the research explores how content recommendations change in response to user behavior, including varying watch times …

The Moderating Role Of Ifrss Alignment On The Relationship Between Modernization Influences And Effective Digital-Resources Accounting Information System, Daniel Shilingi, Henry Zeno Chalu, Patrick Mbwile

Business Management Review

This paper is set to examine the Moderating role of IFRSs Alignment on the Relationship between Modernization Influences and Effective Digital-Resources Accounting Information System. The data were collected from 55 entities, with a total of 381 respondents. Descriptive and partial least square path modelling were used for data analysis with the aid of SmartPLS3.0. It was found that the direct relationship between Technological Advancement (TA) and Currency Innovation (CI) was positive and significant with Digital-Resources Accounting Information System (DRAIS). The relationship between Economic Transformation (ET) and DRAIS was insignificant. The addition of the IFRSs alignment as a moderator has strengthened …

Alternatively Certified Early Childhood Special Education Teachers' Perspectives On Remaining In The Classroom, Sena Victoria Ann Belgard Dever

Walden Dissertations and Doctoral Studies

Alternative teacher certification programs are used nationwide to address the critical teacher shortage in special education. There is a gap in knowledge regarding the challenges that early childhood special education teachers experience, which make them leave the profession at twice the rate of general education teachers. The purpose of this basic qualitative study was to explore alternatively certified early childhood special education teachers’ perspectives on remaining in their teaching positions and the support they need to continue teaching. The study framework was comprised of Day and Gu’s teacher resilience theory. Data were collected from semistructured interviews with 10 prekindergarten to …

Effect Of Sodium Carboxymethyl Cellulose Coating Treatment On Oil Absorption In Vacuum-Fried Taro Crisp Strips, Li Xiaoyun, Xie Ronghua, Chen Sheng, Han Chunyang, Chen Junliang, Ren Aiqing, Duan Zhenhua

Food and Machinery

［Objective］ Fresh taro was used as the raw material to investigate the effect of sodium carboxymethyl cellulose (CMC -Na) coating combined with blanching,freezing,and osmotic pretreatment on oil absorption in vacuum -fried taro crisp strips.［Methods］ The treatments included blanching (CK),blanching +freezing (BF),blanching +freezing +coating (BFC ),blanching +osmotic (BO),and blanching +osmotic +coating (BOC ).The study analyzed their effect on the drying characteristics,hardness,and color of vacuum -fried taro crisp strips,and used low -field nuclear magnetic resonance (LF-NMR ),magnetic resonance imaging (MRI ),and scanning electron microscopy (SEM ) to investigate the oil distribution and microstructure of the taro crisp strips.［Results］］ BF treatment increased the …

Development Of A Low-Cost Electron Microscope For Educational Purposes, Christopher Halseth

Dissertations and Theses

Electron microscopy is a powerful tool for exploring microscopic world, yet its high cost and operational complexity severely limit accessibility, particularly within educational institutions. Commercial systems are often designed as opaque "black boxes," further hindering hands-on learning and experimentation. This dissertation introduces the Educational Scanning/Transmission Electron Microscope (EduSEM), a project designed to overcome these barriers by developing a low-cost, modular, and transparent electron microscope optimized for educational use.

The EduSEM achieves significant cost reduction by operating in a rough vacuum environment (1-20 mTorr), eliminating the need for expensive high-vacuum pumps. This necessitates novel component designs tolerant of higher pressures. The …

Exploring Soft Polymeric Nanoparticles For Targeted Biomolecule Delivery In Plant Cells, Mohammad Rashid

Theses and Dissertations

Safe and efficient agricultural practices require innovative technologies. Nanotechnology offers promising solutions for advancing plant agriculture by enabling the targeted delivery of biomolecules such as agrochemicals and nucleic acids. This study focuses on developing a safe nanotechnological approach for delivering molecules of interest into plant cells. We investigated the ability of four types of polymeric nanoparticles such as Polyethylene glycol N, Nʹ-dibutylethylenediamine (PEG-DB), Polyethylene glycol 2-pyrrolidin-1-yl-ethyl-amine (PEG-PY), Polyethyleneimine (PEI), Arabinoxylan (AX)+, and Zein+ to form conjugates with plasmid DNA (pDNA). Our findings confirm that plant-derived cationic nanopolymers, AX+ and Zein+, effectively bind negatively charged pDNA (pGFPGUSPlus) carrying a GFP reporter …

Longitudinal Outcomes Of The Covid-19 Pandemic On Youth Physical Fitness, Andjelka Pavlovic, David Leonard, Timothy J Walker, Derek W Craig, Jizyah Injil, Laura F Defina

Faculty, Staff and Student Publications

Importance: The COVID-19 pandemic led to a decline in physical activity levels among youths, which could have a negative impact on their fitness.

Objective: To examine longitudinal changes in cardiorespiratory fitness (CRF) and musculoskeletal fitness (MSF) among students at schools participating in a school-based physical activity program during fall 2019 through spring 2023.

Design, setting, and participants: This longitudinal cohort study included US schools reporting CRF and MSF data at least once during the pandemic (fall 2020 to fall 2021) and at least 1 additional time before or after. In a subset of schools for which learning modality data was …

Max Weber Vs Émile Durkheim: Pertarungan Paradigma Dalam Sosiologi Hukum Di Indonesia, Ilham Yuli Isdiyanto

Jurnal Hukum & Pembangunan

This study compares the thoughts of Max Weber and Emile Durkheim in the field of sociology of law and their relevance to the development of law in Indonesia. Weber emphasizes formal rational law through a positivistic approach, highlighting individual rationality in shaping social structures. In contrast, Durkheim views law as a tool of social solidarity rooted in morality and collective norms. This study employs a normative method integrated with hermeneutic philosophy, delving into the meaning of legal concepts through an in-depth interpretation of doctrines, theories, and legal literature. A descriptive-narrative analysis is conducted to understand the historical, social, and philosophical …

Research Misconduct Sebagai Suatu Tindak Pidana Penyebaran Berita Bohong: Sebuah Tinjauan Hukum Pidana, Kemal Fikri Royadi, Monte Carlo Faza Harissa

Jurnal Hukum & Pembangunan

Research is one of the gates to uncover wisdom in scientific disciplines. In its implementation, it is often found that there are various interests underlying the research. These various interests also have their own purpose to the extent that it can influence the results of the research which can have implications to form a research misconduct. This research aims to review the national criminal law regarding this behavior by examining the relevant act’s articles as well as scholarly dogmatics due to the absence of laws regulating this matter. The method used in this research is juridical-normative using conceptual approach and …

Teacher Perceptions On The Low Enrollment Of Students Of Color In High School Computer Science, Wiley J. Cruse, Jr.

Walden Dissertations and Doctoral Studies

The rapid evolution of computer science (CS) as an integral part of K-12 public education in the United States has highlighted significant equity and diversity issues. Guided by critical race theory and community cultural wealth, this basic qualitative study explored high school CS teachers’ perceptions of the challenges and opportunities related to recruiting, retaining, and ensuring the success of students of color. Thematic analysis of data collected using semistructured interviews with 12 high school CS teachers revealed key challenges, including curriculum rigidity, funding inequities, and lack of administrative support. Participants reported that systemic barriers limit access to CS education for …

Irx2 And Nptx1 Differential Regulation Of Β-Catenin Underlies Mek-Mediated Proliferation In Human Neuroglial Cells, Alexander Chen, Hannah Wang, Xuanwei Li, Corina Anastasaki, David H Gutmann

2020-Current year OA Pubs

The two major genomic alterations in pediatric pilocytic astrocytoma (PA) are

The Impact Of Teaching Practice On Student Self-Efficacy In Undergraduate Stem Classrooms, Gintarė Lübeck, Michael K. Seery, Barry J. Ryan

Irish Journal of Academic Practice

This quantitative study examined the impact of teaching practice on students’ self-efficacy at the outset of their undergraduate STEM programmes, considering prior academic performance and class setting. Data were collected through a self-efficacy survey (n = 483) and 15 non-participatory classroom observations at a large, modern university in Ireland. Observed classes included lectures, laboratories, and tutorials across physics (n = 3), computing and digital skills (n = 3), engineering (n = 2), biology (n = 3), chemistry (n = 2), and mathematics (n = 2). Statistically significant connections were identified between students’ past academic performance, the week of instruction, and …