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Fabrication Of Diffraction Grating Prototype Solar Sails For In-Space Propulsion, Qing Xian Wang
Fabrication Of Diffraction Grating Prototype Solar Sails For In-Space Propulsion, Qing Xian Wang
Theses
Solar sails offer advantages over rockets for heliocentric navigation by utilizing sunlight as an unlimited source of radiation pressure for propulsion. This eliminates the need to carry fuel and allows the sail craft to reach destinations that are difficult or impossible for rockets to reach. Solar sails provide a small but continuous acceleration that produces large changes in the sail craft velocity over time. A conventional solar sail makes use of the law of reflection to achieve in-space propulsion. By tilting the reflective sail away from the sunline, an optimal angle of reflection is achieved, generating a transverse force for …
Development Of Popcorn Thermal Insulation Panels, Yonis Hussein Mohamud
Development Of Popcorn Thermal Insulation Panels, Yonis Hussein Mohamud
Theses
The research and development of sustainable and renewable materials that can take the place of conventional plastics derived from petroleum has attracted increasing attention in recent years. Polylactic acid (PLA) and Polyhydroxy butyrate (PHB) are viable alternatives biopolymers due to their biodegradability. Also, the enhancement of material properties can be achieved through the incorporation of fillers. In this study, the utilization of popcorn in developing of insulation materials has been employed in two distinct methodologies. The first involves the coating of popcorn with varying percentages of PLA using the solvent casting method, while the second involves the integration of popcorn …
Biochemical Charactrization Of A Fructosyltransferase Enzyme From A Halophilic Archaeon, Haloarcula Marismotui, For Biotechnological Applications, Ahlam Khalifa Al Ameri
Biochemical Charactrization Of A Fructosyltransferase Enzyme From A Halophilic Archaeon, Haloarcula Marismotui, For Biotechnological Applications, Ahlam Khalifa Al Ameri
Theses
Fructosyltransferase enzymes are involved in the production of fructans, which are polymers of fructose and naturally present in many foods like fruits, vegetables, legumes, and cereals. Fructans with short chain lengths are called Fructooligosaccharides (FOS), which are small dietary fibers having low caloric values and are known as “prebiotics”. Fructans have a broad range of applications in the food, pharmaceutical, cosmetics, and chemical industries. They have unique physiochemical properties and functionalities depending on the source of enzyme used for their production. The present study aimed at the utilization of a recently discovered unique fructosyltransferase enzyme from an extremely halophilic microorganism, …
Anti Cancer Activity Of Rhus Coriaria (Sumac) Against 5-Fluorouracil-Resistant Colorectal Cancer Cells, Zohra Nausheen Nizami
Anti Cancer Activity Of Rhus Coriaria (Sumac) Against 5-Fluorouracil-Resistant Colorectal Cancer Cells, Zohra Nausheen Nizami
Theses
Colorectal cancer (CRC) is the second leading cause of cancer-related deaths, both worldwide and in the UAE. 5-Fluorouracil (5-FU), a pyrimidine analogue, is a chemotherapeutic agent that is an integral component of chemotherapy regimens for CRC treatment. However, 5-FU resistance (intrinsic and/or acquired) inhibits their clinical efficacy. In recent years, there has been a growing popularity for plant-based cancer therapeutics, specifically using phytochemical compounds. Rhus coriaria (Sumac) is a Mediterranean plant whose fruits are used as a spice and medicinal herb. Extracts of Rhus coriaria fruits (RCE) have been reported to exhibit anti-cancer activity against breast cancer and CRC. In …
Prevalence, Knowledge, Attitude, And Practice Of Dietary Supplement Use Among Students Enrolled In The United Arab Emirates University, Aaesha Hamad Alnaqbi
Prevalence, Knowledge, Attitude, And Practice Of Dietary Supplement Use Among Students Enrolled In The United Arab Emirates University, Aaesha Hamad Alnaqbi
Theses
An adequate diet, with proper nutrients, is key to a healthy life. However, managing an adequate diet with a proper intake of nutrients is difficult. Therefore, dietary supplements (DS) represent an important source of essential nutrients which often help maintain a healthy intake of required nutrients. However, there is limited knowledge about DS usage among the younger generation. The main objective of this research study was to analyze the prevalence of usage, level of knowledge, and attitudes toward DS among Students enrolled in the United Arab Emirates University. The current research adopted a cross-sectional design. Participants completed a valid and …
Modification Of Cellulose Fibers By Acyl Grafting For Oil Spill Remediation, Fatima Saif Alhumaidi
Modification Of Cellulose Fibers By Acyl Grafting For Oil Spill Remediation, Fatima Saif Alhumaidi
Theses
Oil spills represent a significant source of aquatic pollution with substantial repercussions on the environment as well as the economic and societal well-being of coastal communities. This research project is focused on the utilization of chemically modified cellulose-based fibers to remediate oil-contaminated water. The hydroxyl groups present in cellulose were acetylated under optimized conditions, thereby rendering the fibers hydrophobic and enhancing their affinity for crude oil. The modified cellulosic material was characterized by several physical and chemical techniques (IR, TGA, contact angle measurement, SEM, and back titration) to determine the extent of acylation and assess their morphological properties. The derivatized …
Ai Application In Architecture In Uae: Developing And Testing Advanced Optimization Model For A Parametric Shading Structure As A Retrofit Strategy Of A Midrise Residential Building Façade In Downtown Abu Dhabi, Anwar Ghaleb Ahmad
Theses
Artificial intelligence is a phenomenon that influences every aspect of our lives. AI applications have already started to change the methods in different disciplines. Architecture is one of the disciplines that is highly affected by the developments of AI technologies. With the United Arab Emirates heading to employ new technology to lead the country and region development, it is important to explore and develop the application of AI in the strategic disciplines of the country in which the built environment is essential. This study aimed to develop and evaluate an advanced model script (to be used as a tool) using …
The Association Between Attachment Styles And Binge Eating Behaviours: Examination Of The Mediational Role Of Emotional Dysregulation In The Arab Region, Diala Kassab
Theses
Many factors are said to affect binge eating behaviours, one of these factors is the individual’s attachment style. Attachment styles is the early relationship that shape a child's ideas and expectations about themselves and the availability of other people. This can be mediated by the ability to effectively respond and manage emotional experiences. This thesis aimed to examine the role of emotional dysregulation on attachments styles and binge eating behaviours in the Arab region.
/="/">A sample of 326 Arab university students, predominantly Emirati and Lebanese, were recruited using convenience sampling and snowball sampling technique. Participants were asked to complete …
Examining The Parallel Mediating Effect Of Emotion Dysregulation And Eating Beliefs In The Association Between Low Self¬-Esteem And Binge Eating Behaviours, Farah Al Mohammed
Examining The Parallel Mediating Effect Of Emotion Dysregulation And Eating Beliefs In The Association Between Low Self¬-Esteem And Binge Eating Behaviours, Farah Al Mohammed
Theses
Research in the United Arab Emirates (UAE) around the causes and non-pharmacological treatment options of binge eating behaviours and other eating disorders is limited. Moreover, given the documented increase in binge eating behaviours which, in turn, is associated with two additional eating disorders (i.e., binge eating disorder and bulimia nervosa), there is an urgent need to understand the factors that are implicated in the causation and maintenance of binge eating behaviours in the UAE. A comprehensive understanding of these factors will assist psychotherapists and other mental health professionals in tailoring the interventions that they provide in the treatment and management …
Irritable Bowel Syndrome, Eating Disorders, And Mental Stress Among United Arab Emirates University Students, Maram Braikan Alotaibi
Irritable Bowel Syndrome, Eating Disorders, And Mental Stress Among United Arab Emirates University Students, Maram Braikan Alotaibi
Theses
Irritable Bowel Syndrome (IBS), Eating Disorders (EDs), and mental stress are understudied in the United Arab Emirates (UAE), especially among university students. The objective of this study is to assess the prevalence of IBS, ED, mental stress, their associations, and the determinants of IBS among United Arab Emirates University (UAEU) students. An observational cross-sectional study was conducted via a 48-item online-survey shared with 14,268 undergraduate/graduate students, registered during academic year 2021-2022 in UAEU. Logistic regression models were performed to examine the predictive factors associated with IBS among UAEU students in total and by ED status. Significance was determined at p< 0.05. The prevalence of IBS was 39%, ED 55.9%, and high mental stress 53.2%, and they co-existed in 15.9% of UAEU students. Students who reported consuming trigger-food were 6 times more likely to have IBS than their counterpart [AOR: 5.859; 95% CI: 3.092–11.102, p< 0.001]. Those who reported intakes of relief-food were 4 times more likely to have IBS compared to their counterpart [AOR: 3.881; 95% CI: 1.669 – 9.022, p=0.002]. Students with family history of IBS (FHIBS) were 2.6 times more likely to have IBS than their counterpart [AOR: 2.572; 95% CI: 1.420–4.660, p= 0.002]. Students with high mental stress were 1.7 times more likely to have IBS than those with low-moderate stress, when adjusted for sex and age [AOR:1.730; 1.058–2.830, p= 0.029). No significant associations existed between IBS and ED, Socioeconomic Characteristics (SEC), lifestyle, dietary, and health-related factors. UAEU students reported high prevalence of IBS, ED and mental stress. A significant relationship was found between IBS and FH-IBS, trigger- and relieving- food. This study confirmed the prevalence of IBS, ED and mental stress. Large cohort studies on university students in the UAE are warranted to establish the relationships among IBS, ED, mental stress and their determinants.
Impact Of Covid-19 On Security Vulnerabilities Of Learning Management Systems: A Study Towards Security And Sustainability Enhancement, Souheil Abdel-Latif Akacha
Impact Of Covid-19 On Security Vulnerabilities Of Learning Management Systems: A Study Towards Security And Sustainability Enhancement, Souheil Abdel-Latif Akacha
Theses
The rapid adoption of Learning Management Systems (LMSs) like Moodle, Chamilo, and Ilias became essential for online education due to the Coronavirus Disease 2019 (COVID-19) pandemic, revolutionizing online learning while exposing security vulnerabilities. This thesis explores security concerns within these LMSs across different pandemic periods. By analyzing existing patches, security measures, and emerging cybersecurity technologies, recommendations are formulated to enhance LMS security against evolving cyber threats, providing actionable insights for educational institutions to ensure secure online education continuity. The numerical findings highlight the increasing need for proactive security measures in Moodle, the fluctuating nature of vulnerabilities in Chamilo, and the …
Selection Of Natural Surfactants For Possible Use In Improving Oil Recovery Of Carbonate Oil Reservoirs, Hiba Hachem Limam
Selection Of Natural Surfactants For Possible Use In Improving Oil Recovery Of Carbonate Oil Reservoirs, Hiba Hachem Limam
Theses
Middle East petroleum industry is currently searching for the most suitable enhanced oil technique to improve the oil recovery from local oil reservoirs. The biggest challenge for the application of enhanced oil recovery (EOR) in the Middle East is the harsh environment (high salinity and temperature). Surfactant (synthetic or natural) is one of the EOR major players considered for application in the Middle East. However, synthetic surfactants have several drawbacks, such as economically unattractive and environmental impacts. This study investigated the possible use of natural surfactant extracted from the leaves of three types of plants, namely Aloe Vera, Tetraena qatarensis, …
Psychosocial Predictors Of Cosmetic Surgery Acceptance Among Young Adult Women In The Uae. The Role Of Selfie Behavior, Narcissism And Religiosity: A Cross-Sectional Study, Amna Ahmad Alsadani
Psychosocial Predictors Of Cosmetic Surgery Acceptance Among Young Adult Women In The Uae. The Role Of Selfie Behavior, Narcissism And Religiosity: A Cross-Sectional Study, Amna Ahmad Alsadani
Theses
Cosmetic surgery is prevalent in the UAE and has been linked to negative psychological and physical consequences. The present study investigates psychosocial factors expected to predict an acceptance of cosmetic surgery among young adult women in the UAE. It was hypothesized that high selfie behavior, high narcissism, and low levels of religiosity would have a positive association with an interest in cosmetic surgery. The factors that motivate people to undergo cosmetic surgery were assessed using the 15-item Acceptance of Cosmetic Surgery Scale. Selfie behavior was examined using two questions derived from previous research. Narcissism was assessed using the 16-item Narcissistic …
Learning To Learn From Sparse User Interactions, Krishna Prasad Neupane
Learning To Learn From Sparse User Interactions, Krishna Prasad Neupane
Theses
The ability to learn from user interactions provides an effective means to understand user intent through their behaviors that is instrumental to improve user engagement, incorporate user feedback, and gauge user satisfaction. By leveraging important cues embedded in such interactions, a learning system can collect key evidence to uncover users’ cognitive, affective, and behavioral factors, all of which are critical to maintain and/or increase its user base. However, in practical settings, interactive systems are still challenged by sparse user interactions that are also dynamic, noisy, and highly heterogeneous. As a result, both traditional statistical learning methods and contemporary deep neural …
Self-Assembling Peptide-Based High-Relaxivity Prostate-Cancer-Targeted Mri Contrast Agents, Andrew O'Brien
Self-Assembling Peptide-Based High-Relaxivity Prostate-Cancer-Targeted Mri Contrast Agents, Andrew O'Brien
Theses
Magnetic Resonance Imaging (MRI) is a widely used, highly effective imaging method for diagnosing cancer and guiding treatment. MRI contrast agents enhance image quality, with higher relaxivity (r1) contrast agents providing the best utility. Attaching a cancer-specific-targeting group enhances the image further. Therefore, a high-relaxivity cancer-targeted contrast agent is a highly desirable tool for diagnosis and treatment. Our group previously synthesized a peptide-based MRI contrast agent with the Ala(Gd-DO3A) chelator that targeted the prostate cancer biomarker PSMA using the small-molecule ligand DCL. While this agent displayed nominal relaxivity, it was serendipitously found that the relaxivity of a synthetic intermediate containing …
Redshift Wrangler: Conducting A Citizen Science Study Of Extragalactic Spectroscopy, Sadie C. Coffin
Redshift Wrangler: Conducting A Citizen Science Study Of Extragalactic Spectroscopy, Sadie C. Coffin
Theses
I present the citizen science project Redshift Wrangler, designed to use the contributions of volunteers to analyze large samples of galaxy data and build a repository of spectroscopic measurements for various analyses. When we know how to read it, the spectrum of a galaxy can tell the story of its stellar population, distance, and interactions with any close companion galaxies. Through Redshift Wrangler, citizen science measurements become our main tool for extracting information from enormous quantities of collected spectra. Several main goals motivate this work: first, designing and launching Redshift Wrangler on citizen science platform Zooniverse to bring more people …
The Artistic Narratives Of Faith Ringgold: Depicting Race Relations And Social Justice In 1960s America, Nicole Hill
The Artistic Narratives Of Faith Ringgold: Depicting Race Relations And Social Justice In 1960s America, Nicole Hill
Theses
This thesis explores the works of artist and activist Faith Ringgold within the context of the Civil Rights movement in the United States. The Civil Rights era was a pivotal moment in American history, marked by racial segregation, violence, and discrimination against Black Americans. Against this backdrop, Ringgold's art emerged as a powerful tool for social critique and political activism. The thesis focuses on five of Ringgold's most significant works: Between Friends, The Civil Rights Triangle, The Flag is Bleeding, US Postage Stamp Commemorating the Advent of Black Power, and Die. These works span the period of the 1960s to …
Investigation And Analysis Of Circular Economy Indicators In The Manufacturing Industry, Dina Al Jamal
Investigation And Analysis Of Circular Economy Indicators In The Manufacturing Industry, Dina Al Jamal
Theses
In the pursuit of sustainable development, the concept of the Circular Economy (CE) has emerged as a compelling and transformative alternative to the traditional linear economic model (i.e., take, make, use, dispose). The limitations of the linear economy in addressing contemporary global challenges have highlighted the urgency of adopting a more regenerative approach. Simply put, the circular economy aims to maximize the value extracted from available resources over their lifecycle, thereby ensuring the fulfillment of both current and future generations' needs. This thesis sheds light on a pivotal solution for effectively integrating circular economy principles into enterprises, thereby reinforcing sustainability. …
Enhancing Autism Education: Exploring Interactive Videos And Ai Integration For Effective Teaching, Fatima Ahmed Alraeesi
Enhancing Autism Education: Exploring Interactive Videos And Ai Integration For Effective Teaching, Fatima Ahmed Alraeesi
Theses
This research focuses on enhancing autism education by integrating interactive videos and AI solutions to improve teacher training. As the number of autistic students rises, it becomes crucial for special education teachers to employ effective teaching strategies tailored to individual needs. The most effective teaching methods for autistic students involve understanding the condition and incorporating customized instruction strategies, such as adapting assignments to suit the student's needs, assisting those with difficulty speaking, and employing visual aids for better organization. The proposed solution involves utilizing interactive video technology to train teachers, bridging the gap between research and practical implementation of educational …
The Soft Power Impact Of International Event Hosting: The Case Of Uae And Expo 2020, Haya Mohamed Almazrouei
The Soft Power Impact Of International Event Hosting: The Case Of Uae And Expo 2020, Haya Mohamed Almazrouei
Theses
The study aimed at identifying and evaluating the soft power impact of international event hosting by considering the case of the UAE and Expo 2020. To attain this aim, a qualitative methodology has been incorporated, wherein data have been collected through semi-structured interviews with 20 managers involved in the organization of the Dubai Expo 2020, which were correspondingly analyzed through textual basis or content analysis. The study found that the soft power of the UAE can be measured using the six parameters of Soft Power 30 of McClory, which are Engagement, Government, Culture, Education, Enterprise and Digital. The challenges associated …
What Is The Best Way To Develop A Website?, Nahomy Julieta Calderon Lopez
What Is The Best Way To Develop A Website?, Nahomy Julieta Calderon Lopez
Theses
This project is centered around empowering individuals with the knowledge and resources necessary for effective website development. The culmination of Thesis/Directed Project II is a user-friendly website designed to distill and present the insights gathered during Thesis/Directed Project I. This website features an engaging interactive quiz, aimed to help the users identify what is the best way, for them, to develop a website. The quiz has multiple questions, each with three distinct response options, the quiz guides users towards one of three key approaches for website development: Website Builders, Content Management System platforms, or Coding. Upon receiving their quiz results, …
Impact Of Digital Transformation On Achieving Sustainability In Utility Sector Of Uae, Abdulrahman Salem Alsaleh
Impact Of Digital Transformation On Achieving Sustainability In Utility Sector Of Uae, Abdulrahman Salem Alsaleh
Theses
The central focus of the current study is to understand the impact of digital technology on sustainable practices in a utility sector within the UAE. The research examined whether AI, blockchain, and big data can improve sustainability in the company to completely understand how digital technologies influences sustainable practices in the county’s utility sector. Data were gathered using the survey data collection method for a quantitative review. The reliability of the data was examined using Cronbach’s Alpha, and the strength of the relationships between the variables was investigated using correlation analysis. The extent to which the adoption of AI, big …
How Will The Future Of The Dubai Virtual Commercial City Reshape The Policing Sector?, Shamma Ghanimi Mohammad Al Marri
How Will The Future Of The Dubai Virtual Commercial City Reshape The Policing Sector?, Shamma Ghanimi Mohammad Al Marri
Theses
The uncertainty of lack of policing involvement increases the worries and concerns and lack of trust of the potential virtual residents of Dubai Virtual Commercial City. The purpose of this research is to mitigate and minimize virtual crimes and expand safety and security in the virtual world. Using various future foresight tools to bring new solutions and recommendations to support law enforcement to ensure proactive policing in the virtual world. The results of the study show a clear correlation between the lack of rules and regulations and new emerging virtual crimes. Moreover, it also showcases the recent international effort by …
Design And Implementation Of Environmental Management System (Ems) Using Iso 14001:2015 Standard In A Medical/Healthcare Organization, Mohammed Rizwan Mirajkar
Design And Implementation Of Environmental Management System (Ems) Using Iso 14001:2015 Standard In A Medical/Healthcare Organization, Mohammed Rizwan Mirajkar
Theses
Environmental Management Systems (EMS) have been widely implemented by organizations across various industries since late 1980s. The system comprises of policies, procedures, processes, and various documents and formats that are essential not only to attain governance within organizations but also establish a robust management system. In the last decade, the need to enhance environmental performance and achieve sustainability objectives has become a business imperative for organizations across the world. Organizations are mandated to comply with environmental requirements and regulations through contractual agreements between customers and their business partners. Globally, the ISO 14001:2015 standard in its current version is the most …
Optimization Of Alternative Mask Absorber Materials For Euv Lithography, Rajiv Naresh Sejpal
Optimization Of Alternative Mask Absorber Materials For Euv Lithography, Rajiv Naresh Sejpal
Theses
In efforts to continuously scale feature dimensions in semiconductor manufacturing, the industry has moved from refractive optical lithography to reflective extreme ultra-violet lithography (EUVL). The latter provides a significant improvement in the resolution by illuminating mask patterns using 13.5nm source wavelength at oblique chief ray angles (CRA). A typical EUVL mask consists of a multilayer Bragg mirror topped with a 55-70nm Tantalum-based (Ta-based) absorber stack to obtain layout patterns. This current three-dimensional (3D) mask architecture in combination with a small source wavelength and oblique illumination angles results in mask 3D (M3D) effects such light shadowing, pitch dependent best focus variations, …
Comparative Spatial Analysis Of Convenience Standards In State Electronic Waste Policies, Isabelle R. Law
Comparative Spatial Analysis Of Convenience Standards In State Electronic Waste Policies, Isabelle R. Law
Theses
The management of end-of-life electronics, or e-waste, is a complex challenge as these products contain both valuable and hazardous materials. Recycling electronics provides an opportunity to harvest and reuse valuable components while also mitigating environmental and health risks. However, recycling rates for electronic waste remain low in the United States. In response to this challenge, twenty-six states in the U.S. have enacted policies meant to limit landfill disposal and encourage electronics recycling. While most state policies rely on mass-based targets for the collection and recycling of e-waste, convenience standards are an emerging policy mechanism aimed at increasing consumer access to …
The Nine Dot Problem: An Immersive Experience Blending The Digital And Physical Worlds, Alances Vargas
The Nine Dot Problem: An Immersive Experience Blending The Digital And Physical Worlds, Alances Vargas
Theses
Anamorphic billboards, the incredibly eye-catching social media magnets one sees where a digital shoe seems to be breaking through the walls of a building or a hand is reaching out through the screens of Times Square into the streets of New York, are commonly seen in major urban environments. These displays, often used for marketing purposes selling the next hit video game or popular sneaker, are made by joining 2 angled screens at a 90 degree angle and utilize the concept of forced perspective to create the illusion of space and 3D visuals without the need for special glasses. However, …
Commissioning The Tomographic Ionized-Carbon Mapping Experiment, Benjamin James Vaughan
Commissioning The Tomographic Ionized-Carbon Mapping Experiment, Benjamin James Vaughan
Theses
Line intensity mapping is a novel technique that traces the evolution of cosmological structure sourcing a particular emission line through measurements of the aggregate emission of all galaxies along a line of sight. The Tomographic Ionized-carbon Mapping Experiment (TIME) is a far infrared waveguide imaging spectrometer that operates from 183-323 GHz, allowing it to trace the emission of the singly ionized carbon fine structure line ([CII], 157.7 µm) from redshift 5 to 9 to probe the infrared emission from star formation during the Epoch of Reionization. Further, TIME will also perform line intensity mapping observations of several carbon monoxide rotational …
Purification And Detection Of Antibiotic-Resistant Bacteria From Whole Blood With Nano-Sieve, Xinye Chen
Purification And Detection Of Antibiotic-Resistant Bacteria From Whole Blood With Nano-Sieve, Xinye Chen
Theses
Life-threatening bloodstream infections (BSI), such as sepsis, mainly caused by the body’s syndromic response to pathogen infection, are a major public health concern, leading to ~11 million deaths each year. The identification of sepsis presents significant challenges in the diagnostic process, as the isolation of low concentration pathogens from bodily fluids (e.g., human blood) is extremely demanding, and typically relies on time-consuming and complicated isolation processes. Therefore, this work aims to explore the potential of microfluidics as a powerful tool for rapid purification and concentration of antibiotic-resistant bacteria (ARB) from blood samples, meanwhile developing a molecular diagnostic technology by combining …
Addendum To Ap Art History Curriculum: Impressionism And Its Female Painters, Julie Short
Addendum To Ap Art History Curriculum: Impressionism And Its Female Painters, Julie Short
Theses
This project seeks to add depth to Content Area 4 of the AP Art History Curriculum by supplementing the study of Impressionism as a whole, as well as including the study of the role of women artists in the movement and their contributions to Impressionism and Modern art in general. The goal is to provide students with greater historical context and formal analysis of major Impressionist works, as well as to expose students to the accomplishments of more female artists.