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Articles 13951 - 13980 of 13994
Full-Text Articles in Entire DC Network
Front Matter
Lewis & Clark Law Review
Front Matter contains Table of Contents, Masthead, and faculty for Lewis & Clark Law Review Volume 30, Issue 2.
Quo Warranto In The Aftermath Of Loper Bright, Dennis Hall
Quo Warranto In The Aftermath Of Loper Bright, Dennis Hall
Lewis & Clark Law Review
In 2024, the Supreme Court did away with Chevron deference in Loper Bright Enterprises v. Raimondo. One previously undiscussed consequence of this decision is how it opens the door to a broader use of quo warranto corporate charter revocation. Quo warranto is a legal remedy held by the states that has fallen into relative obscurity, but it has the power to regulate large corporations that have strayed from the bounds of acceptable activity. This Comment examines the history of corporations and corporate oversight regulation in the United States, as well as the history of quo warranto as a remedy. Additionally, …
Assuming Accent: Recognizing The Intersection Of Race And National Origin In Title Vii Discrimination, Eun Hee Han
Assuming Accent: Recognizing The Intersection Of Race And National Origin In Title Vii Discrimination, Eun Hee Han
University of Colorado Law Review
No abstract provided.
Intermittent High-Fat, High-Sugar Access During Adolescence Drives Binge-Restriction Feeding And Reduced Weight Gain In A Food Unpredictability Model, Calvin G. Miller
Intermittent High-Fat, High-Sugar Access During Adolescence Drives Binge-Restriction Feeding And Reduced Weight Gain In A Food Unpredictability Model, Calvin G. Miller
CMC Senior Theses
Food insecurity affects nearly 48 million Americans and 318 million people worldwide, with very low food security disrupting normal eating habits through “feast-or-famine” episodes characterized by cycles of food overconsumption followed by restriction. This dietary pattern alters dopamine signaling within the mesocorticolimbic system — brain circuitry intimately linked to reward processing. This system includes the ventral tegmental area (VTA) and prefrontal cortex (PFC). Overstimulation can be promoted through sporadic high-fat, high-sugar diet (HFHSD) exposure, promoting dopamine neuron architecture alterations and binge-eating behavior. Adolescence represents a vulnerable window, as mesocorticolimbic dopamine projections undergo maturation during this period. Though evidence links food …
Adolescent Binge-Like Feeding And Neuroinflammation: Effects Of Intermittent Palatable Diet Access On Microglial Activation In The Brain In Adolescents, Jaimie T. Yu
CMC Senior Theses
Binge eating disorder (BED), one of the most common eating disorders in the United States (Definition & Facts for Binge Eating Disorder - NIDDK, n.d.), is characterized by recurrent episodes of consuming large quantities of food in a short period of time accompanied by a sense of loss of control. The intermittent access (INT) model reliably produces binge-like eating in adult rodents, with animals showing episodic hyperphagia upon time-limited access to a high-fat, high-sugar (HFHS) diet. In adult female rats, INT access produces elevated meal size and reduced satiety ratio relative to controls (Maske et al., 2020), and promotes microglial …
Morals Without Movement: Veganism, Contentious Politics, And The Lifestyle Politics Constraint, Luke M. Carfaro
Morals Without Movement: Veganism, Contentious Politics, And The Lifestyle Politics Constraint, Luke M. Carfaro
CMC Senior Theses
This thesis examines whether veganism constitutes a social movement through Social Movement Theory frameworks, emphasizing Sidney Tarrow's Power in Movement. Through analysis of veganism's empirical properties (collective challenge, common purpose, collective identity, and sustained interaction) and key procedural mechanisms (framing, mobilizing structures, and repertoires of contention), this thesis determines that veganism fails to meet the empirical criteria of a social movement and is more accurately classified as a lifestyle movement—a movement in which political participation is expressed through private consumption rather than sustained collective contention. Using the Make America Healthy Again movement as a counterexample, this thesis comparatively illustrates …
Constitutional Rights, Human Dignity, And The American Dream: A Historical Analysis Of U.S. Immigration Policy After 9/11, Shelby Mcilroy
Constitutional Rights, Human Dignity, And The American Dream: A Historical Analysis Of U.S. Immigration Policy After 9/11, Shelby Mcilroy
CMC Senior Theses
This thesis examines how United States immigration policy transformed after September 11, 2001 and asks whether modern immigration enforcement remains consistent with constitutional principles, human rights protections, and the broader ideals associated with the American Dream. The project investigates how immigration shifted from a primarily civil administrative system into one increasingly defined by surveillance, detention, and punishment. The central question guiding this research is whether the securitization of immigration has reshaped not only enforcement practices, but also the meaning of constitutional protections and human dignity for both citizens and noncitizens.
To answer this question, this thesis conducts a historical policy …
Neuroimaging Correlates Of Differences In Learning From Repeated Probabilistic Outcomes, Allison E. Rudolph
Neuroimaging Correlates Of Differences In Learning From Repeated Probabilistic Outcomes, Allison E. Rudolph
CMC Senior Theses
Learning from experience requires integrating feedback over time, yet individuals vary widely in how effectively they extract structure from probabilistic environments. This study examined how such variability relates to neural responses in the ventral striatum (vStr), caudate nucleus, hippocampus, and medial prefrontal cortex (mPFC). Seventy-four participants across childhood, adolescence, and adulthood completed a modified Iowa Gambling Task during fMRI scanning, choosing whether to play or pass on four machines differing in expected value and variance. Behavioral learning slopes, calculated across six runs for each machine, were used to classify participants as learners or non-learners. Learners showed clearer improvement over time …
Has Liberalism Failed? Analyzing The New Right’S Critique Of Liberalism Through Its Historical Arc, Frederick (Gus) G. Mahler
Has Liberalism Failed? Analyzing The New Right’S Critique Of Liberalism Through Its Historical Arc, Frederick (Gus) G. Mahler
CMC Senior Theses
This paper examines the historical evolution of American political culture to evaluate whether liberalism is responsible for the social and political crises confronting the United States today. Although liberalism has been foundational to American governance and national identity since the country’s inception, a growing movement known broadly as the New Right now claims that it has failed and must be replaced. I seek to assess the legitimacy of this claim.
Using qualitative historical analysis, I trace how the form liberalism takes and the role it occupies in America’s political order has changed throughout the nation’s development. Liberalism was not always …
Politics Of A Silent Pandemic: Antimicrobial Resistance And State Capacity In India And Nigeria, Mia Kelly
Politics Of A Silent Pandemic: Antimicrobial Resistance And State Capacity In India And Nigeria, Mia Kelly
CMC Senior Theses
Antimicrobial Resistance (AMR) has emerged as one of the most pressing yet widely underestimated health threats of the 21st century; this thesis explores the potentially devastating global impact of this “silent pandemic”, exposing how deeply health outcomes depend on political choices, regulatory capacity, and economic constraints. Although the danger of spreading drug-resistant pathogens is now widely acknowledged in both the scientific and political communities, states differ in their abilities to contain the issue, with low- and middle-income countries facing the greatest obstacles to national action plan implementation. This thesis investigates these disparities through a comparison of India and Nigeria, two …
Criminalizing Motherhood: Abortion, Obstetric Emergencies, And State Power In Post-1998 El Salvador, Valery M. Reyes
Criminalizing Motherhood: Abortion, Obstetric Emergencies, And State Power In Post-1998 El Salvador, Valery M. Reyes
CMC Senior Theses
This thesis examines how a series of regressive legal reforms in El Salvador–the 1997 Penal Code’s expansion of abortion-related punishments and the 1999 constitutional amendment defining life as beginning at conception–eliminated all exceptions to abortion and transformed a woman’s reproductive body into a site of surveillance. Rather than expanding rights, these reforms rolled back on existing protections by not recognizing obstetric emergencies, miscarriages, or cases of rape as legitimate grounds for abortion. Prosecutors and judges could treat such medical emergencies as convictions for “fetal homicide,” carrying sentences of 30-50 years in prison.
Court documents, reports from non-government organizations …
Alignment Of The Planetary Health Diet With Pregnancy Dietary Guidelines: Insights From Two Cohorts, Aoife Davis, Sophie Callanan, Gillian A. Corbett, Eileen C. O’Brien, Alexander Douglass, Fionnuala M. Mcauliffe
Alignment Of The Planetary Health Diet With Pregnancy Dietary Guidelines: Insights From Two Cohorts, Aoife Davis, Sophie Callanan, Gillian A. Corbett, Eileen C. O’Brien, Alexander Douglass, Fionnuala M. Mcauliffe
Research Outputs: 2025-Present
The Planetary Health Diet (PHD) is a mostly plant-based diet that aims to optimise human health whilst minimising the environmental impact of food production. Limited data exists on whether the PHD fulfils key nutritional requirements during pregnancy. This research aimed to examine the PHD in early pregnancy and how it aligns with daily nutrient intake and European Food Safety Authority (EFSA) dietary guidelines. Pregnant women (n=678) from two Irish cohorts (ROLO and MicrobeMom) were analysed. Dietary intakes in early pregnancy were determined using a 3-day food diary and used to calculate PHD Index (PHDI) scores. Women were dichotomised by the …
Edge Guided Channel Attention In Fsrcnn: A Novel Approach For Depth Super Resolution, Yagneshkumar Jayantilal Parmar, Paresh M. Dholakia
Edge Guided Channel Attention In Fsrcnn: A Novel Approach For Depth Super Resolution, Yagneshkumar Jayantilal Parmar, Paresh M. Dholakia
Mansoura Engineering Journal
Depth images from low-cost sensors often suffer from blurred edges and structural distortions when processed with standard super-resolution models. While FSRCNN is efficient for RGB images, it struggles to handle the unique geometric requirements of depth maps. To solve this, we propose the Edge Guided Channel Attention FSRCNN (EGCA FSRCNN). This method incorporates an edge-guided modulation mechanism to preserve object boundaries and a Squeeze and Excitation (SE) block to focus on critical structural features. A major benefit of this framework is the use of frozen, pretrained FSRCNN weights, which bypasses the requirement for retraining. Our evaluation on the UTKinect, Middlebury, …
An Intuitionistic Fuzzy Hypergraph Model Enhanced By Forest-Of-Walks Dynamics For Medical Image Segmentation, Brinthaguru Thangaraj, Karthick Palanisamy
An Intuitionistic Fuzzy Hypergraph Model Enhanced By Forest-Of-Walks Dynamics For Medical Image Segmentation, Brinthaguru Thangaraj, Karthick Palanisamy
Mansoura Engineering Journal
The process of accurately segmenting Urolithiasis and pulmonary nodules from medical images presents significant difficulties because of three main factors which include nonuniform intensity distribution and the presence of weak object borders and the uncertainty caused by anatomical structure overlaps. The study introduces F-Zinhger as a solution to these problems through its application of the Forest of Walks technology. The method uses superpixels as fundamental elements which form a multi-scale hypergraph that establishes hyperedges through three criteria: intensity similarity, spatial proximity, and Z-intuitionistic fuzzy hesitation to capture complex contextual connections. The system incorporates a random walk-based label propagation system. The …
A Hybrid Geospatial And Remote Sensing Methodology For Drought Vulnerability Assessment In Semi-Arid Ecosystems, Kaifi Fakhir Chomani
A Hybrid Geospatial And Remote Sensing Methodology For Drought Vulnerability Assessment In Semi-Arid Ecosystems, Kaifi Fakhir Chomani
Mansoura Engineering Journal
The Kurdistan Region of Iraq (KRI) faced significant drought challenges due to global and environmental changes, necessitating drought assessments. Advanced techniques of remote sensing, Geographic Information Systems (GIS), and Analytic Hierarchy Process (AHP) were combined in this research to perform drought vulnerability zonation for KRI. Average annual rainfall, Average number of rainy days, Average annual temperature, slope, elevation, normalised difference water index (NDWI), normalised difference vegetation index (NDVI), land surface temperature (LST), and temperature condition index (TCI) were selected as contributing parameters for drought vulnerability assessments. The considered parameters were weighted using pairwise comparison, and thematic maps were created to …
Breaking The Resistance: A Narrative Review Of The Evolution From Traditional Drugs To Precision Therapies In Epilepsy, Tirath Patel, Fathimathul Henna, Ashfaq Ahmed, Ayesha Ahmad, Noor Ul Huda, Syed Aaraiz Ul Hassan, Aiman Muhammad, Amna Javed, Maryem Filal, Nikhilesh Anand
Breaking The Resistance: A Narrative Review Of The Evolution From Traditional Drugs To Precision Therapies In Epilepsy, Tirath Patel, Fathimathul Henna, Ashfaq Ahmed, Ayesha Ahmad, Noor Ul Huda, Syed Aaraiz Ul Hassan, Aiman Muhammad, Amna Javed, Maryem Filal, Nikhilesh Anand
School of Medicine Publications
Background: Epilepsy is a chronic neurological disorder characterized by recurrent seizures, affecting approximately 50 million individuals globally. While conventional antiseizure medications (ASMs) control seizures in 70-80% of patients, about 30% experience drug resistance or intolerable side effects, necessitating alternative approaches.
Objective: To critically compare the efficacy, safety, and accessibility of conventional and emerging therapies for epilepsy, particularly in the context of treatment-resistant cases and global disparities in care.
Methods: This narrative review synthesized evidence from 120 peer-reviewed articles published between 2015 and 2025. Literature was retrieved from PubMed, Embase, Cochrane Library, and Scopus using predefined search terms related to epilepsy …
Sex Differences In The Use Of Cognitive Strategies In Brown-Headed Cowbirds (Molothrus Ater), Nicole E. Robinson Ms.
Sex Differences In The Use Of Cognitive Strategies In Brown-Headed Cowbirds (Molothrus Ater), Nicole E. Robinson Ms.
Theses and Dissertations (Comprehensive)
Cognition is widely believed to be adaptive, yet few studies directly show that variation in cognitive performance is related to fitness. Brown-headed cowbirds (Molothrus ater) provide a powerful system for addressing this gap because brood parasitism creates strikingly different reproductive problems for females and males. Females face the spatial demands of nest-prospecting, whereas males face social and competitive demands associated with access to mates. Across five experiments, cowbirds were tested on an outdoor foraging task designed as an analogue of nest prospecting, with manipulations of retention interval, cue conflict, and breeding condition, followed by observations of reproductive behaviour. …
Cross-Domain Antimicrobial Resistance In Poultry Farming: A One Health Assessment Of Antimicrobial Use And Multidrug Resistance In Kiambu County, Kenya, Ann Kangai Munene, Peter Muiruri Mwangi, Lilly Caroline Bebora, Christine Minoo Mbindyo, John Muthini Maingi
Cross-Domain Antimicrobial Resistance In Poultry Farming: A One Health Assessment Of Antimicrobial Use And Multidrug Resistance In Kiambu County, Kenya, Ann Kangai Munene, Peter Muiruri Mwangi, Lilly Caroline Bebora, Christine Minoo Mbindyo, John Muthini Maingi
All Peer-Reviewed Publications
Background and Aim: Antimicrobial resistance (AMR) has emerged as a major One Health threat driven by inappropriate antimicrobial use (AMU) in humans, animals, and the environment. Poultry production is recognized as a key reservoir of antimicrobial-resistant bacteria, yet few studies in Kenya examine AMU and AMR across interconnected human–animal–environment domains. This study assessed AMU patterns among poultry farmers in Kiambu County and characterized phenotypic resistance in Escherichia coli and Enterococcus spp. isolated from humans, chickens, and chicken environments. Materials and Methods: A cross-sectional study was conducted from May to September 2024, involving 102 poultry farms. Farm demographics and AMU data …
Roles Of Cytokines In Modulating Trypanosoma Brucei Rhodesiense Infection Outcomes In Vervet Monkeys, Clarah Jebet, John Kibuthu Thuita, Daniel Masiga, Benedict Owino Orindi, John Oidho, Mark C. Field, Enock Matovu, Vincent Owino Adung’A
Roles Of Cytokines In Modulating Trypanosoma Brucei Rhodesiense Infection Outcomes In Vervet Monkeys, Clarah Jebet, John Kibuthu Thuita, Daniel Masiga, Benedict Owino Orindi, John Oidho, Mark C. Field, Enock Matovu, Vincent Owino Adung’A
All Peer-Reviewed Publications
Introduction:
Human African trypanosomiasis (HAT), caused by Trypanosoma brucei rhodesiense, is categorized as acute due to rapid disease progression but presents varying clinical outcomes. Although the mechanisms underpinning differential clinical progression are poorly understood, both host and parasite factors are implicated. Therefore, we sought to elucidate roles of primate host factors in mediating varying T. b. rhodesiense infection outcomes.
Methods:
Here, we assessed the roles of selected host cytokines in disease progression using a tsetse-mediated infection in a non-human primate (NHP) vervet monkey model that closely mimics HAT and natural infection. We quantified eight cytokines, including TNF-α, IFN-γ, IL-10, IL-6, …
Impact Of Environmental Microparticles On Insect Olfaction, Steve B.S. Baleba, Danube K.N. Wandji, Yves H. Tchiechoua, Komi Mensah Agboka, Iman B. Hassaballa, Victor O. Omondi, Beatrice T. Nganso, Saliou Niassy, Souleymane Diallo, Merid N. Getahun
Impact Of Environmental Microparticles On Insect Olfaction, Steve B.S. Baleba, Danube K.N. Wandji, Yves H. Tchiechoua, Komi Mensah Agboka, Iman B. Hassaballa, Victor O. Omondi, Beatrice T. Nganso, Saliou Niassy, Souleymane Diallo, Merid N. Getahun
All Peer-Reviewed Publications
Terrestrial insects underpin key ecosystem services, including pollination, herbivory regulation, decomposition, nutrient cycling, and disease control. These functions depend on chemical communication that guides insects to food, mates, hosts, shelters, and oviposition sites while helping them avoid threats. Environmental microparticles, such as micro- and nanoplastics, tyre wear particles, soot, mineral dust, and agricultural residues, are now widespread across air, soil, vegetation, and indoor environments, exposing insects through contact, deposition, and ingestion. Growing evidence shows that these particles disrupt insect olfaction by adsorbing volatile compounds, blocking antennal sensilla, and interfering with receptor and neuronal processes. These disruptions impair foraging, mating, oviposition, …
A Systematic Review And Meta-Analysis Of Mosquito Arboviral Infections Detected Through Xenosurveillance In Africa: A Focus On West Nile, Rift Valley Fever, And Chikungunya Virus Infections, Mxolisi Mgongoma, Armanda Bastos, Abel Ramoelo, David P. Tchouassi
A Systematic Review And Meta-Analysis Of Mosquito Arboviral Infections Detected Through Xenosurveillance In Africa: A Focus On West Nile, Rift Valley Fever, And Chikungunya Virus Infections, Mxolisi Mgongoma, Armanda Bastos, Abel Ramoelo, David P. Tchouassi
All Peer-Reviewed Publications
This systematic review and meta-analysis comprehensively evaluated the mosquito arboviral infections with West Nile virus (WNV), Rift Valley fever virus (RVFV), and chikungunya virus (CHIV), detected through xenosurveillance, reported in mosquito vectors across Africa in the last 25 years (2000–2024). The study analysed xenosurveillance data from 45 studies conducted with over 115,000 mosquito specimens, and incorporated moderator analyses to assess the influence of trap type, seasonality, regional location, settlement type, and screening methods on virus detection rates. The estimated pooled prevalence of WNV was 1.18% (95% CI: 0.60–3.43%), with higher rates observed in Culex quinquefasciatus and Culex pipiens, particularly in …
Pathways, Outputs And Impact Of Nih-Supported Bioinformatics And Genomics Graduate Trainees In Africa, Daudi Jjingo, Andrew Walakira, Suhaila Hashim, Cisse Cheickna, Ronald Galiwango, Caleb Kibet, Florence N. Kivunike, Gerald Mboowa, Fredrick Elishama Kakembo, Babajide Ayodele, Jean Baka Domelevo Entfellner, Santie De Villiers, Karen Wambui, Segun Fatumo, Tinashe Chikowore, John Mukisa, Alfred Ssekagiri, Nicholas Bbosa, Julius Mulindwa, Samuel Kyobe, Mike Nsubuga, Grace Kebirungi, Eric Katagirya, Savannah Mwesigwa, Ibra Lujumba, Rogers Kamulegeya, Samuel Kirimunda, Stephen Kanyerezi, Shahiid Kiyaga, Ivan Sserwadda, Davis Kiberu, Daniel Masiga
Pathways, Outputs And Impact Of Nih-Supported Bioinformatics And Genomics Graduate Trainees In Africa, Daudi Jjingo, Andrew Walakira, Suhaila Hashim, Cisse Cheickna, Ronald Galiwango, Caleb Kibet, Florence N. Kivunike, Gerald Mboowa, Fredrick Elishama Kakembo, Babajide Ayodele, Jean Baka Domelevo Entfellner, Santie De Villiers, Karen Wambui, Segun Fatumo, Tinashe Chikowore, John Mukisa, Alfred Ssekagiri, Nicholas Bbosa, Julius Mulindwa, Samuel Kyobe, Mike Nsubuga, Grace Kebirungi, Eric Katagirya, Savannah Mwesigwa, Ibra Lujumba, Rogers Kamulegeya, Samuel Kirimunda, Stephen Kanyerezi, Shahiid Kiyaga, Ivan Sserwadda, Davis Kiberu, Daniel Masiga
All Peer-Reviewed Publications
Global biomedical and health research is increasingly relying on genomic and computational approaches, largely driven by the increasing volumes of nucleic acid sequencing. Concurrently, epidemiological studies and clinical records are generating enormous amounts of data amenable to disease modeling, machine learning, and artificial intelligence techniques. Bioinformatics and data science expertise is therefore essential for improved population health. Accordingly, in 2012, the US National Institutes of Health (NIH) in partnership with the Wellcome Trust, and with support from the African Society for Human Genetics, initiated the H3Africa (Human Heredity and Health in Africa) consortium. One of its key goals was to …
Formulation Modification Of Silver Diamine Fluoride To Improve Clinical Handling And Dentin Tubule Occlusion, Liangyu Chang, Yutzu Wu, Powen Lu, Iwen Chen, Weifang Lee, Chunche Lin, Renjei Chung, Poonam Negi, Naichia Teng, Jenchang Yang
Formulation Modification Of Silver Diamine Fluoride To Improve Clinical Handling And Dentin Tubule Occlusion, Liangyu Chang, Yutzu Wu, Powen Lu, Iwen Chen, Weifang Lee, Chunche Lin, Renjei Chung, Poonam Negi, Naichia Teng, Jenchang Yang
Journal of Dental Sciences
Background/purpose: Silver diamine fluoride (SDF) is clinically effective for treating dentinal hypersensitivity and arresting caries, but its poor clinical handling due to low viscosity remain concerns. This study aimed to enhance the rheological properties of SDF by incorporating sodium carboxymethylcellulose (CMC) to improve its clinical manageability. Materials and methods: A 39.34 wt% SDF solution (TMU-SDF) was prepared via wet processing. Its matrix metalloproteinase (MMP) inhibition was evaluated using a fluorogenic MMP-1 assay, and antibacterial activity was tested via an inhibition zone assay. Biocompatibility was assessed using a modified cytotoxicity-agar diffusion test and a skin sensitization test. Rheological properties, including flow …
Smallholder Farmers' Willingness To Pay For The Farmbetter Mobile App-Based Agricultural Extension: Evidence From A Bdm Experiment In Tanzania And Burkina Faso, Cool Dady Mangole, Kelvin Mulungu, Christian Kamala Kaghoma, Maurice Tschopp, Menale Kassie
Smallholder Farmers' Willingness To Pay For The Farmbetter Mobile App-Based Agricultural Extension: Evidence From A Bdm Experiment In Tanzania And Burkina Faso, Cool Dady Mangole, Kelvin Mulungu, Christian Kamala Kaghoma, Maurice Tschopp, Menale Kassie
All Peer-Reviewed Publications
Financial contributions from farmers are increasingly acknowledged as a sustainable mechanism for funding extension services. However, the literature on willingness to pay (WTP) for digital agricultural extension is limited. Conducting a thorough assessment of WTP for digital extension is critical for designing effective pricing policies and ensuring financial sustainability. This study examines the WTP for a novel digital extension platform named farmbetter, leveraging primary data collected in Tanzania and Burkina Faso. The Becker-DeGroot-Marschak (BDM) experiment was used to elicit the amount farmers are willing to pay. We applied the Lasso machine learning to predict the relevant drivers of WTP and …
First Record Of Arrhenophagus Chionaspidis Aurivillius (Hymenoptera: Encyrtidae) Parasitizing White Mango Scale In Kenya: Its Potential Distribution And Prospects In Biocontrol, Francis Obala, Abdelmutalab G.A. Azrag, Rehemah Gwokyalya, Shepard Ndlela, Ingo Grass, Georg Petschenka, Sunday Ekesi, Samira A. Mohamed
First Record Of Arrhenophagus Chionaspidis Aurivillius (Hymenoptera: Encyrtidae) Parasitizing White Mango Scale In Kenya: Its Potential Distribution And Prospects In Biocontrol, Francis Obala, Abdelmutalab G.A. Azrag, Rehemah Gwokyalya, Shepard Ndlela, Ingo Grass, Georg Petschenka, Sunday Ekesi, Samira A. Mohamed
All Peer-Reviewed Publications
The white mango scale, Aulacaspis tubercularis Newstead (Hemiptera: Diaspididae), is one of the most destructive pests of mango worldwide. Its current management in most of the invaded areas largely depends on the intensive use of chemical insecticides. Biological control using parasitoids represents one of the most effective and environmentally sustainable management options. However, in Kenya, one of Africa's leading mango-producing countries, no effective parasitoid species associated with A. tubercularis had previously been recorded. This study aimed to identify encyrtid parasitoids associated with A. tubercularis in Kenya, and to assess how bioclimatic factors influence their occurrence and habitat suitability. Mango leaves …
Oligonychus Trichardti (Acari: Tetranychidae) Associated With Urochloa Grasses In Kenya: An Integrative Taxonomic Approach, Paula Espitia-Buitrago, Claudia Perea, Lavender A. Odhiambo, Rosa N. Jauregui, Frank Chidawanyika
Oligonychus Trichardti (Acari: Tetranychidae) Associated With Urochloa Grasses In Kenya: An Integrative Taxonomic Approach, Paula Espitia-Buitrago, Claudia Perea, Lavender A. Odhiambo, Rosa N. Jauregui, Frank Chidawanyika
All Peer-Reviewed Publications
Spider mites represent a significant constraint to improved forage grass adoption in East Africa, particularly affecting Urochloa cultivars that are crucial for addressing the region’s 40% livestock feed gap. This study employed an integrative taxonomic approach combining morphological and molecular analyses to identify a spider mite species infesting Urochloa interspecific grasses in Kenya. A colony of 80 spider mites was established from symptomatic Urochloa hybrid cv. Cayman plants collected from Mbita Point, Kenya, showing characteristic foliar chlorosis and necrotic spots. Morphological examination of 46 slide-mounted specimens using Hoyer’s medium revealed consistent morphotypical features characteristic of Oligonychus (Reckiella) trichardti Meyer, 1974. …
Influence Of Farming Systems (Organic Vs. Conventional) With Crop Rotation And Intercropping On Weed Seedbank In Central Kenya, Obadiah Mwangi, Monicah Mucheru-Muna, Edward Karanja, Michael Kinyua, Peter Bolo, Dominic Mutambu, Martha Musyoka, Edwin Mwangi, Felix Matheri, Nancy Mwende, Tanga Chrysanthus, Noah Adamtey, David Bautze, Unternährer Anouk, Milka Kiboi, Anne Muriuki, Hottensiah Wambui, Job Kihara
Influence Of Farming Systems (Organic Vs. Conventional) With Crop Rotation And Intercropping On Weed Seedbank In Central Kenya, Obadiah Mwangi, Monicah Mucheru-Muna, Edward Karanja, Michael Kinyua, Peter Bolo, Dominic Mutambu, Martha Musyoka, Edwin Mwangi, Felix Matheri, Nancy Mwende, Tanga Chrysanthus, Noah Adamtey, David Bautze, Unternährer Anouk, Milka Kiboi, Anne Muriuki, Hottensiah Wambui, Job Kihara
All Peer-Reviewed Publications
Weed seedbanks are a key driver of long-term weed pressure and are strongly shaped by farming systems, crop rotation, and intercropping. This study evaluated the influence of organic (ORG) and conventional (CONV) farming systems, each managed under high (113–145 kg N·ha−1, 60–83 kg P·ha−1) and low (31–45 kg N·ha−1 and 13–27 kg P·ha−1) fertilization levels, on weed seedbank density, composition, dominance, and diversity in two long-term trials (established in 2007) at Chuka and Thika in the Central Highlands of Kenya. From 2017 to 2019, across six cropping seasons under a three-year rotation, soil …
Multi-Method Energy Optimization: Linear Programming, Hmm Modeling And Arduino-Based Simulations, A.E. El-Alfy, Eman Elayat, M. A. E. Sheta
Multi-Method Energy Optimization: Linear Programming, Hmm Modeling And Arduino-Based Simulations, A.E. El-Alfy, Eman Elayat, M. A. E. Sheta
Mansoura Engineering Journal
This paper presents the simulation and optimization of hybrid energy systems integrating renewable energy and storage technologies. Linear Programming (LP) is utilized to minimize operational costs, while a Hidden Markov Model (HMM) improves reliability by accurately predicting energy flow. Hardware-in-the-loop simulation in Proteus demonstrates efficient energy trading, significantly reducing dependence on conventional sources. The results from a 24-hour analysis show that the system achieves an 87.14% load factor, indicating high efficiency in utilizing the system's rated capacity, 26.23 system reliability, and a 20% improvement in cost efficiency and enhanced sustainability, providing a robust and practical framework for hybrid energy solutions …
Evaluating The Effectiveness Of Hard Coastal Protection Structures For Long-Term Erosion Mitigation, Case Study: Eastern Rosetta Shoreline, Nile Delta, Egypt, Basma Sayed, Ayman Sabry Koraim, Tarek Hemdan Nassrallah, Ahmed Abouelfetouh Abdelaziz, Nada Mansour, Fahmy Salah Fahmy Abdelhaleem
Evaluating The Effectiveness Of Hard Coastal Protection Structures For Long-Term Erosion Mitigation, Case Study: Eastern Rosetta Shoreline, Nile Delta, Egypt, Basma Sayed, Ayman Sabry Koraim, Tarek Hemdan Nassrallah, Ahmed Abouelfetouh Abdelaziz, Nada Mansour, Fahmy Salah Fahmy Abdelhaleem
Mansoura Engineering Journal
Coastal erosion threatens densely populated shorelines worldwide. At the Rosetta Promontory (Nile Delta), shoreline retreat has accelerated since the construction of the Aswan High Dam due to reduced fluvial sediment supply. This case study numerically evaluates shoreline response to six hard-protection scenarios along the eastern promontory, combining groins and detached breakwaters, over a 20-year forecast (2022–2042). Offshore wave conditions were transformed to nearshore hydrodynamics using MIKE21 Spectral Wave, and long-term shoreline evolution was simulated with DHI-LITPACK. The numerical models were forced using a 40-year wave dataset derived from the ECMWF ERA5 reanalysis. Results indicate that the configuration with eight detached …
Effect Of Two Cut Off Rows On Seepage Underneath Hy-Draulic Structures Using Weak Form Differential Quadra-Ture Element Method: A Theoretical Approach, Esraa Ahmed, El-Masry A. A, Hossam A.A. Abdel Gawad, Ahmed Elhamrawy
Effect Of Two Cut Off Rows On Seepage Underneath Hy-Draulic Structures Using Weak Form Differential Quadra-Ture Element Method: A Theoretical Approach, Esraa Ahmed, El-Masry A. A, Hossam A.A. Abdel Gawad, Ahmed Elhamrawy
Mansoura Engineering Journal
Investigating confined seepage underneath hydraulic structures is crucial to ensure the safety of these structures. The Weak Form Quadrature Element Method (WFQEM) is the basis of this paper, which explores the behavior of confined flow. The seepage flow governing equation is solved numerically to estimate the uplift pressure underneath the hydraulic structures and the exit gradient.The Gauss–Lobatto–Legendre (GLL) type is used as nodal and integration points. Several models were solved to validate the applied numerical method. The obtained results are compared with theoretical and preceding numerical solutions mentioned in the literature. The system of equations generated from applying the WFQEM …