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2024

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Exophytic And Focally Ulcerated Mass On The Mandibular Gingiva, Abrar Shamim D.D.S., M.A., Scott Peters D.D.S., Shahid R. Aziz D.M.D., M.D., Facs, Frcsed, Gregg Jacob D.M.D., Facs Nov 2024

Exophytic And Focally Ulcerated Mass On The Mandibular Gingiva, Abrar Shamim D.D.S., M.A., Scott Peters D.D.S., Shahid R. Aziz D.M.D., M.D., Facs, Frcsed, Gregg Jacob D.M.D., Facs

The New York State Dental Journal

The pyogenic granuloma is a benign vascular proliferation which may present either on the skin or intraorally. While the majority of oral pyogenic granulomas remain less than 1 cm in size, they can grow to large sizes if care is neglected. Herein, we report case of a large pyogenic granuloma on the mandibular alveolar ridge gingiva which grew to 10x10cm in size due to failure to seek treatment.

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Guidelines For Interproximal Enamel Reduction (Ipr), Sewon Yang D.D.S., Min Seok Kim D.D.S., Eugene H. Bass D.M.D. Nov 2024

Guidelines For Interproximal Enamel Reduction (Ipr), Sewon Yang D.D.S., Min Seok Kim D.D.S., Eugene H. Bass D.M.D.

The New York State Dental Journal

The purpose of this review is to present current guidelines for Interproximal Enamel Reduction (IPR) safety and aims to provide clinical protocols for the practitioner to follow in order to conduct safe and effective IPR. This comprehensive step-by-step protocol for IPR, including the pre-, intra-, and post-operative safety measures, are proposed with further suggestions to assure the safety of the procedures and to minimize the potential iatrogenic side effects of IPR.

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Evaluation Of Opportunities For The Cultivation Of Heterotrophic Plant Root Organ Cultures As Food: Optimization Of Culture Conditions And Carbohydrate Sources, Fatima Mohammed Alkaabi Nov 2024

Evaluation Of Opportunities For The Cultivation Of Heterotrophic Plant Root Organ Cultures As Food: Optimization Of Culture Conditions And Carbohydrate Sources, Fatima Mohammed Alkaabi

Theses

All agricultural plant production requires investment of water, energy, and land, especially in the Gulf Region, where environmental conditions are not ideally suitable for crop farming. Currently, less than 40% of agricultural plant biomass production constitutes food, which greatly limits the overall feasibility of food production systems worldwide. Crop residues constitute over half of global agricultural biomass, and food waste and biomass from public parks and gardens further add to the vast pool of non-edible plant material. Existing valorization strategies for such material cannot compensate for the enormous amounts of water, energy, land, and human resources invested in their production. …

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The United Arab Emirates Birth Cohort Study: A Pilot Examination Of Maternal And Infant Health Outcomes, Sharon Mutare Nov 2024

The United Arab Emirates Birth Cohort Study: A Pilot Examination Of Maternal And Infant Health Outcomes, Sharon Mutare

Dissertations

The first 1,000 days of life represent a critical window for influencing optimal fetal growth and establishing lifelong health foundations. Recent evidence underscores the significant association between maternal health and nutrition during this period and the subsequent risk of non-communicable diseases, which are responsible for 74% of global deaths. Despite the rapid globalization and urbanization experienced in the United Arab Emirates in recent years, there remains a paucity of research on how maternal health and nutrition impact perinatal outcomes among Emirati women.
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Performance Of Pervious Geopolymer Concrete Made With Locally Available Recycled Concrete Aggregates In An Arid Environment, Faizu Habibu Anwar Nov 2024

Performance Of Pervious Geopolymer Concrete Made With Locally Available Recycled Concrete Aggregates In An Arid Environment, Faizu Habibu Anwar

Dissertations

This dissertation aims to develop sustainable pavement materials to address environmental challenges in arid environments, specifically in the United Arab Emirates (UAE). These challenges include the depletion of natural resources, excessive cement production, industrial waste accumulation, and stormwater runoff flooding. Cement-free pervious concrete made with geopolymer and recycled concrete aggregates (RCA) are presented as sustainable solutions to these issues. The porous nature of pervious concrete reduces stormwater runoff while using RCA and geopolymer reduces dependence on limited natural resources and mitigates the environmental impact of cement production by incorporating industrial waste materials. In this thesis, the use of pervious geopolymer …

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Role Of B Cell Mediated Immune Response During Skin Atopic Dermatitis Disease, Hidaya Mohammed Abdul Kader Nov 2024

Role Of B Cell Mediated Immune Response During Skin Atopic Dermatitis Disease, Hidaya Mohammed Abdul Kader

Dissertations

Atopic dermatitis (AD) is the most prevalent non-infectious skin allergy affecting approximately 10-30% adults and 40% children worldwide. It is clinically characterized by eczematic lesions and elevated IgE levels and is a multifactorial disease that is heterogenous in nature. AD results in a dominant Th2 polarized immune response. Until date, there is no cure for this disease. B cells are key players of humoral immune responses and contribute significantly to allergic responses through IgE secretion. However, recently a subset of B cells termed regulatory B cells (Bregs) have been reported to provide protective role by the secretion of anti-inflammatory cytokine …

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Seagrass Classification Using Unsupervised Curriculum Learning (Ucl), Nosheen Abid, Md Kislu Noman, György Kovács, Syed Mohammed Shamsul Islam, Tosin Adewumi, Paul Lavery, Faisal Shafait, Marcus Liwicki Nov 2024

Seagrass Classification Using Unsupervised Curriculum Learning (Ucl), Nosheen Abid, Md Kislu Noman, György Kovács, Syed Mohammed Shamsul Islam, Tosin Adewumi, Paul Lavery, Faisal Shafait, Marcus Liwicki

Research outputs 2022 to 2026

Seagrass ecosystems are pivotal in marine environments, serving as crucial habitats for diverse marine species and contributing significantly to carbon sequestration. Accurate classification of seagrass species from underwater images is imperative for monitoring and preserving these ecosystems. This paper introduces Unsupervised Curriculum Learning (UCL) to seagrass classification using the DeepSeagrass dataset. UCL progressively learns from simpler to more complex examples, enhancing the model's ability to discern seagrass features in a curriculum-driven manner. Experiments employing state-of-the-art deep learning architectures, convolutional neural networks (CNNs), show that UCL achieved overall 90.12 % precision and 89 % recall, which significantly improves classification accuracy and …

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Potentially Causal Association Between Immunoglobulin G N-Glycans And Cardiometabolic Diseases: Bidirectional Two-Sample Mendelian Randomization Study, Xiaoni Meng, Di Liu, Meiling Cao, Wei Wang, Youxin Wang Nov 2024

Potentially Causal Association Between Immunoglobulin G N-Glycans And Cardiometabolic Diseases: Bidirectional Two-Sample Mendelian Randomization Study, Xiaoni Meng, Di Liu, Meiling Cao, Wei Wang, Youxin Wang

Research outputs 2022 to 2026

Background: Observational studies support that altered immunoglobulin G (IgG) N-glycosylation and inflammatory factors are associated with cardiometabolic diseases (CMDs); nevertheless, the causality between them remains unclear. Methods: Two-sample Mendelian randomization (MR) analyses were conducted to systematically investigate the bidirectional causality between IgG N-glycans and nine CMDs in both East Asians and Europeans. Results: In the forward MR analysis, the univariable MR analysis presented suggestive causality of 14 and eight genetically instrumented IgG N-glycans with CMDs in East Asians and Europeans, respectively; the multivariable MR analysis showed that ten and 11 pairs of glycan-CMD associations were identified in East Asian and …

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Predicting The Current Habitat Distribution Of Important Halophytes And Their Potential Future Shifts Under Climate Change Using Species Distribution Modeling, Ahlam Mabkhot Bin Suwaidan Nov 2024

Predicting The Current Habitat Distribution Of Important Halophytes And Their Potential Future Shifts Under Climate Change Using Species Distribution Modeling, Ahlam Mabkhot Bin Suwaidan

Theses

This thesis is concerned with the current habitat distribution of important 15 halophyte species and the impact climate change on their distribution, probability of occurrence and presence for two future temporal points (2050, 2070). The main objective of this thesis is to define the current distribution of important halophytes and to assess the impacts of climate change on their distribution using future climate projections CMIP5 RCP 8.5. This study utilizes multidimensional available data to address the current and to predict the future distribution of Halophyte plant species. To perform this study, the object-oriented and reproducible R package known as SDM, …

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Assessment Of Heavy Metal Concentration In Orange-Spotted Trevally (Flavocaranx Bajad) From Two Coastal Locations In Abu Dhabi, United Arab Emirates, Kholood Khaled Aljaberi Nov 2024

Assessment Of Heavy Metal Concentration In Orange-Spotted Trevally (Flavocaranx Bajad) From Two Coastal Locations In Abu Dhabi, United Arab Emirates, Kholood Khaled Aljaberi

Theses

This study investigates concentration of heavy metals in the Orange-spotted Trevally (Flavocaranx bajad) from two distinct coastal areas in Abu Dhabi Emirate, Sila and Abu Dhabi. Heavy metals pollution poses a significant risk to both marine ecosystems and human health; thus it is vital to conduct comprehensive assessments of heavy metal contaminations in aquatic life. The main aim of this study is to quantify the levels of heavy metals and assess their concentrations in gill, muscle, and liver tissues of the Orange-spotted Trevally from both sites. The samples were prepared and analyzed using microwave digestion system and ICP …

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Dispositional Optimism, Sleep, And Trait Affective Mediators: A Latent Variable Approach, Nicole Ruiying Chen, Nadyanna Binte Mohamed Majeed, Adalia Yin Hui Goh, Paye Shin Koh, Jonathan Louis Jie Sheng Chia, Andree Hartanto Nov 2024

Dispositional Optimism, Sleep, And Trait Affective Mediators: A Latent Variable Approach, Nicole Ruiying Chen, Nadyanna Binte Mohamed Majeed, Adalia Yin Hui Goh, Paye Shin Koh, Jonathan Louis Jie Sheng Chia, Andree Hartanto

Research Collection School of Social Sciences

Dispositional optimism has been shown to be associated with better sleep. However, most existing studies rely on subjective assessments of sleep, which may not align with objective assessments of sleep. Additionally, research investigating the mechanisms underlying the association between optimism and sleep is lacking. Moreover, the confounding role of possible content overlap in measures relevant to the constructs of interest has been neglected. To address these gaps, we utilised latent variable analysis and investigated the mediating role of depression and trait anxiety across two large-scale studies (total N = 2312), with objective sleep measures included in Study 2. In Study …

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Navigating Weight Prediction With Diet Diary, Yinxuan Gui, Bin Zhu, Jingjing Chen, Chong-Wah Ngo, Yu-Gang Jiang Nov 2024

Navigating Weight Prediction With Diet Diary, Yinxuan Gui, Bin Zhu, Jingjing Chen, Chong-Wah Ngo, Yu-Gang Jiang

Research Collection School Of Computing and Information Systems

Current research in food analysis primarily concentrates on tasks such as food recognition, recipe retrieval and nutrition estimation from a single image. Nevertheless, there is a significant gap in exploring the impact of food intake on physiological indicators (e.g., weight) over time. This paper addresses this gap by introducing the DietDiary dataset, which encompasses daily dietary diaries and corresponding weight measurements of real users. Furthermore, we propose a novel task of weight prediction with a dietary diary that aims to leverage historical food intake and weight to predict future weights. To tackle this task, we propose a model-agnostic time series …

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November 2024 News Releases, University Of Montana--Missoula. Office Of University Relations Nov 2024

November 2024 News Releases, University Of Montana--Missoula. Office Of University Relations

University of Montana News Releases, 1928, 1956-present

No abstract provided.

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Role Of Male Gonad-Enriched Micrornas In Sperm Production In Caenorhabditis Elegans, Lu Lu, Allison L. Abbott Nov 2024

Role Of Male Gonad-Enriched Micrornas In Sperm Production In Caenorhabditis Elegans, Lu Lu, Allison L. Abbott

Biological Sciences Faculty Research and Publications

Germ cell development and gamete production in animals require small RNA pathways. While studies indicate that microRNAs (miRNAs) are necessary for normal sperm production and function, the specific roles for individual miRNAs are largely unknown. Here, we use small RNA sequencing (RNA-seq) of dissected gonads and functional analysis of new loss-of-function alleles to identify functions for miRNAs in the control of fecundity and sperm production in Caenorhabditis elegans males and hermaphrodites. We describe a set of 29 male gonad-enriched miRNAs and identify a set of individual miRNAs (mir-58.1 and mir-235) and a miRNA cluster (mir-4807-4810.1) that …

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Toe Pad Morphology And Adhesion In The Miniaturized Gecko, Chatogekko Amazonicus (Gekkota: Sphaerodactylidae), Aaron H. Griffing, Juan D. Daza, Stuart V. Nielsen, Fernanda P. Werneck, Patrik F. Viana, Tony Gamble Nov 2024

Toe Pad Morphology And Adhesion In The Miniaturized Gecko, Chatogekko Amazonicus (Gekkota: Sphaerodactylidae), Aaron H. Griffing, Juan D. Daza, Stuart V. Nielsen, Fernanda P. Werneck, Patrik F. Viana, Tony Gamble

Biological Sciences Faculty Research and Publications

Chatogekko amazonicus is a miniaturized gecko from northern South America and is among the smallest of toe pad bearing lizards. The toe pads of C. amazonicus are miniscule, between 18% and 27% of the plantar surface area. We aimed to investigate the relationship between adhesive toe pad morphology, body size, and adhesive capabilities. Using scanning electron microscopy, we determine that the adhesive pads of C. amazonicus exhibit branched setae similar to those of other geckos, but that are generally much smaller. When compared with other gecko taxa, we show that C. amazonicus setae occupy a similar range of seta length: …

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In Hot Water: Uncertainties In Projecting Marine Heatwaves Impacts On Seagrass Meadows, Paula S. Hatum, Kathryn Mcmahon, Kerrie Mengersen, Jennifer K. Mcwhorter, Paul P.Y. Wu Nov 2024

In Hot Water: Uncertainties In Projecting Marine Heatwaves Impacts On Seagrass Meadows, Paula S. Hatum, Kathryn Mcmahon, Kerrie Mengersen, Jennifer K. Mcwhorter, Paul P.Y. Wu

Research outputs 2022 to 2026

Seagrass ecosystems, vital as primary producer habitats for maintaining high biodiversity and delivering numerous ecosystem services, face increasing threats from climate change, particularly marine heatwaves. This study introduces a pioneering methodology that integrates Dynamic Bayesian Networks of ecosystem resilience with climate projections, aiming to enhance our understanding of seagrass responses to extreme climate events. We developed cutting-edge metrics for measuring shoot density and biomass in terms of population and site extinction, presented as annual ratios relative to their respective baselines. These metrics include associated uncertainties and projected recovery times. This innovative approach was applied in a case study focusing on …

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Thriving Beyond Adversity: A Prospective Longitudinal Cohort Study Using A Strength-Based Approach Depicts Indigenous Adolescents With Less Adverse Childhood Experiences (Aces) Had Fewer Neurodevelopmental Disorders (Ndds), Md Irteja Islam, Bernadette Yan Yue Lam, Tuguy Esgin, Alexandra Martiniuk Nov 2024

Thriving Beyond Adversity: A Prospective Longitudinal Cohort Study Using A Strength-Based Approach Depicts Indigenous Adolescents With Less Adverse Childhood Experiences (Aces) Had Fewer Neurodevelopmental Disorders (Ndds), Md Irteja Islam, Bernadette Yan Yue Lam, Tuguy Esgin, Alexandra Martiniuk

Research outputs 2022 to 2026

Improving social and emotional well-being (SEWB) among Indigenous adolescents is crucial. Since neurodevelopmental disorders (NDDs) are common in Indigenous people and adverse childhood experiences (ACEs) are important contributors to negative health outcomes throughout the lifespan, we investigated whether limited ACE exposure is associated with reduced risk of NDDs in Australian Indigenous teens using the data from multiple waves (Wave 1 to Wave 9, and Wave 11) of the Longitudinal Study of Indigenous Children (LSIC). We also examined the role of other protective factors, such as Indigenous cultural identity and school connectedness, against NDDs. A strengths-based approach using mixed-effects logistic regression …

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Solvent- And Temperature-Controlled Regioselective Catalytic Synthesis Of Potentially Bioactive, Sara Helmy Saada Nov 2024

Solvent- And Temperature-Controlled Regioselective Catalytic Synthesis Of Potentially Bioactive, Sara Helmy Saada

Theses

Isothiocyanates play a crucial role as essential components in the development of effective synthetic methods for producing key chemical intermediates and biologically active molecules. Similarly, N-arylcyanothioformamide compounds have been employed to create structural cores for numerous heterocycles in a one-step reaction. In this study, we describe the first consistent regiospecific reaction of isothiocyanates with a variety of substituted N-arylcyanothioformamides in a 1:1 molar ratio to generate a series of imidazolidineiminodithiones decorated with a multitude of functional groups on both aromatic rings. The reaction is carried out at room temperature using a 20 mol% catalytic amount of triethylamine with …

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The Effect Of Nerolidol On The Renal Dysfunction Following Bilateral Ureteral Obstruction In The Rat, Harun Rashed Toumi Nov 2024

The Effect Of Nerolidol On The Renal Dysfunction Following Bilateral Ureteral Obstruction In The Rat, Harun Rashed Toumi

Theses

This thesis addressed nerolidol’s potential therapeutic and protective effects on bilateral ureteral obstruction-induced uropathy in rats. Obstructive uropathy stands as a notable contributor to acute kidney injury (AKI), accounting for 5-10% of all AKI cases worldwide, with a particularly high prevalence among the elderly, constituting 22% of AKI cases in this age group. Urinary tract obstruction, often attributed to factors such as kidney stones, urinary tract deformities and benign/malignant growths such as benign prostatic hyperplasia (BPH) in older men can lead to detrimental outcomes if left untreated, potentially progressing to kidney failure and even mortality. The severity of the kidney …

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A Secure And Effective Framework For Key Concept Mining From Educational Content Using Large Language Models, Ashika Sameem Abdul Rasheed Nov 2024

A Secure And Effective Framework For Key Concept Mining From Educational Content Using Large Language Models, Ashika Sameem Abdul Rasheed

Theses

This thesis examines the use of Large Language Models (LLMs) in education, with a focus on improving performance and implementing strong security measures. The research has two main goals, namely, the development of an effective lecture summarization technique using LLMs and identifying and addressing security vulnerabilities in LLM applications according to OWASP (Open Web Application Security Project) guidelines. For the former goal, we have proposed an effective framework for fine-tuning LLMs using real lecture datasets and compared the performance of different LLMs. For the latter goal, we conducted a thorough review of the application dataflow of the proposed framework and …

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Kinetics, Thermodynamics, And Biological Characterizations Of Hydrolysates Enzymatically Produced From Proteins Extracted From Microalgae, Hebah Al-Amodi Nov 2024

Kinetics, Thermodynamics, And Biological Characterizations Of Hydrolysates Enzymatically Produced From Proteins Extracted From Microalgae, Hebah Al-Amodi

Theses

This thesis aims to explore the use of Zeolitic Imidazolate Framework-L (ZIF-L) as a support for immobilizing alcalase and its potency in producing protein hydrolysates. ZIF-L was synthesized at room temperature using an aqueous solution, and alcalase was immobilized through adsorption batch experiment. The successful immobilization of alcalase on ZIF-L was confirmed through Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The maximum adsorption capacity of alcalase on ZIF-L was determined to be 672.1 ± 5.5 mg g-1 at 40°C using an initial protein concentration of 5 mg mL-1. Adsorption equilibrium data …

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Optimizing Photoacoustic Imaging With Advanced Reconstruction Techniques: Compressive Sensing And Deep Learning, Mary Anjaley Josy Nov 2024

Optimizing Photoacoustic Imaging With Advanced Reconstruction Techniques: Compressive Sensing And Deep Learning, Mary Anjaley Josy

Dissertations

Photoacoustic Tomography (PAT) is a noninvasive medical imaging technique that combines the advantages of optical imaging and ultrasonic detection, offering deep tissue visualization with high resolution. Despite its potential, the effectiveness of PAT is dependent on the accuracy and efficiency of the underlying imaging algorithms. This thesis aims to enhance the resolution and speed of PAT imaging through the integration of compressive sensing (CS) and deep learning techniques, targeting both full-view and limited-view sensor configurations. Two model-based CS iterative algorithms are developed: relaxed-basis pursuit via alternating direction method of multipliers (rBP-ADMM), and split Bregman total variation (SBTV) formulation. Additionally, Plug-and-Play …

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Genomics Insights Into Anti-Platelets Therapy: Unraveling Of Variants And The Implementation Of Clopidogrel-Guided Therapy In The United Arab Emirates, Lubna Qasem Khasawneh Nov 2024

Genomics Insights Into Anti-Platelets Therapy: Unraveling Of Variants And The Implementation Of Clopidogrel-Guided Therapy In The United Arab Emirates, Lubna Qasem Khasawneh

Dissertations

Anti-platelet therapy is a cornerstone in the management of cardiovascular diseases such as Acute Coronary Syndrome (ACS) and stroke. These medications are essential for reducing the risk of thrombotic events by preventing platelet aggregation. However, variations in cardiovascular pharmacogenes can significantly impact the metabolism, efficacy, and safety of anti-platelet therapies, making personalized medicine increasingly important for optimizing treatment outcomes. Pharmacogenomic testing has emerged as a crucial tool in tailoring anti-platelet therapy, particularly for patients with subtherapeutic responses due to genetic factors. While extensive research has been conducted globally to identify and study the effect of the pharmacogenomic variants that influence …

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An Empirical Analysis Of The Mmpi-3 Suicidal/Death Ideation Scale, Brittany Barnes Rhodes Nov 2024

An Empirical Analysis Of The Mmpi-3 Suicidal/Death Ideation Scale, Brittany Barnes Rhodes

Theses and Dissertations

Suicide is a significant concern in society and is one of the leading causes of death in the United States and around the world. Suicidality is particularly prevalent in outpatient psychological treatment centers, with some studies estimating a tenfold increase in prevalence in this setting compared to the population at large. Several measures have been developed to assess suicide risk potential based on symptom frequency and combinations of risk factors, and broadband personality measures have also incorporated suicidality scales into their tests. The current study was focused on assessing the effectiveness of the Suicidal/Death Ideation (SUI) scale on the third …

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From Sustainable Agriculture To Sustainable Agrifood Systems: A Comparative Review Of Alternative Models, Qian Forrest Zhang Nov 2024

From Sustainable Agriculture To Sustainable Agrifood Systems: A Comparative Review Of Alternative Models, Qian Forrest Zhang

Research Collection School of Social Sciences

This paper reviews, compares, and critically evaluates two broad groups of sustainable agriculture models: “sustainable agriculture” and “sustainable agrifood systems”. The “sustainable agriculture” models—comprising organic farming, regenerative agriculture, climate-smart agriculture, carbon-capture agriculture, and nature-based solutions—focus primarily on improving ecological sustainability through farm-level practices. These models emphasize reducing external, industrial inputs, enhancing biodiversity, and promoting climate resilience, relying on technological and market-based solutions to address environmental concerns. On the other hand, the “sustainable agrifood systems” models—agroecology, alternative food networks, and permaculture—offer more ambitious visions of systemic transformation. These approaches not only seek to implement environmentally sound practices but also aim to …

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On Fractional Dunkl-Type Laplacian, Saba Ibrahim Aldan Nov 2024

On Fractional Dunkl-Type Laplacian, Saba Ibrahim Aldan

Theses

This thesis presents a comprehensive study of the fractional Dunkl-type Laplacian operator (−∥x∥ Δ��)σ for 0<σ<1, through four equivalent key characterizations: the heat semigroup characterization, the pointwise characterization, the spherical mean characterization, and through an extension theorem. These characterizations offer different perspectives on the operator ∥x∥Δ��, generalizing known results for the Euclidean Laplace operator by incorporating reflection symmetries, making it highly relevant in the harmonic analysis of root systems.

By exploring these characterizations, the thesis highlights the deep connections between the fractional operator (−∥x∥Δ��)σ and harmonic analysis, as well as its broader applicability in mathematical physics and partial differential equations.

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Comparison The Impact Of Co2 And Uvb On Moringa Peregrina And Moringa Oleifera Growth Under Open Top Chamber, Omar Mohammed Alshehhi Nov 2024

Comparison The Impact Of Co2 And Uvb On Moringa Peregrina And Moringa Oleifera Growth Under Open Top Chamber, Omar Mohammed Alshehhi

Theses

Climate change has had a tremendous impact on ecosystems, with an apparent connection between farming methods and environmental change. Climate change has a substantial effect on both abiotic and biotic factors that affect crop plants. The increasing number of abiotic stressors has highlighted the impact of global warming on plant productivity. This study compared and evaluated the abiotic stress resistance of two Moringa species (Moringa oleifera and Moringa peregrina) to UV radiation, increased CO₂ levels, and their combined effects. The evaluation mainly focused on key morphological features, including plant height (cm) and fresh and dry weights, to assess …

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Corrosion Behavior Of 304 Stainless Steel In H2so4/Nacl In The Absence And Presence Of Molybdate And Tungstate, Asma Yousef Alkaabi Nov 2024

Corrosion Behavior Of 304 Stainless Steel In H2so4/Nacl In The Absence And Presence Of Molybdate And Tungstate, Asma Yousef Alkaabi

Theses

In this study, the corrosion behavior of 304 austenitic stainless steel was investigated in H2SO4 solutions, H2SO4 as a function of Cl- ions concentration, H2SO4 as a function of MoO42- ions concentration, and H2SO4 + Cl- ions as a function of MoO42- ions concentration. Moreover, the synergistic inhibition of MoO42- and WO42- ions was investigated in 0.1 M H2SO4, with the solution pH adjusted to 3.0. The findings show that the corrosion current density (i …

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Polyphenol Profiling And Bioactivities Of Date Seed: A Comparative Assessment Of Extraction Techniques In Different Date Seed Varieties, Fatima Ibrahim Albedwawi Nov 2024

Polyphenol Profiling And Bioactivities Of Date Seed: A Comparative Assessment Of Extraction Techniques In Different Date Seed Varieties, Fatima Ibrahim Albedwawi

Theses

Plant-waste-derived bioactive compounds have generated growing interest recently. In this context, this project examined the phenolic content, antioxidant capacity, antimicrobial activity, and antibiofilm capability of the seed extract of Phoenix dactylifera. Six date seed varieties (Fardh, Sukarri, Negal, Majdool, Zahidi, and Khadrawy) were studied. In this study, a novel ultrasound-assisted extraction technique is compared with the conventional extraction method (maceration using 80% ethanol), taking into account both the quality and quantity of polyphenols. Among the primary objectives, the ultrasound-assisted extraction (UAE) of polyphenols was optimized using response surface methodology (RSM), aiming for maximum TPC and DPPH radical scavenging. By …

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Cultivation Of Food And Fodder Crop Millets And Quinoa In The Aquaponics System For Sustainable Food Security In The United Arab Emirates, Salama Yousef Al Khoori Nov 2024

Cultivation Of Food And Fodder Crop Millets And Quinoa In The Aquaponics System For Sustainable Food Security In The United Arab Emirates, Salama Yousef Al Khoori

Theses

Aquaponics is a sustainable food production technology that integrates aquaculture with hydroponics. This study aimed to evaluate the possible impact of an aquaponics system on the cultivation of pearl millet, finger millet, and quinoa, utilizing water from tilapia aquaculture. The duration of the experiment is six months utilizing the manually constructed backyard aquaponics system. Tilapia fish serves as the principal biological material for nutrient generation in the experiment. This study investigated and recorded water quality indicators, including pH, temperature, dissolved oxygen, electrical conductivity, total dissolved solids, ammonia, nitrite, and nitrate levels over the experimental period. The parameters of fish growth, …

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