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2024

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การวิจัยเพื่อการออกแบบและพัฒนาระบบผลิตภัณฑ์และบริการเพื่อเพิ่มประสิทธิภาพการรีไซเคิลฟิล์มพลาสติกอย่างยั่งยืน, สุพิชฌาย์ ศาศวัตวิบูลย์ Jan 2024

การวิจัยเพื่อการออกแบบและพัฒนาระบบผลิตภัณฑ์และบริการเพื่อเพิ่มประสิทธิภาพการรีไซเคิลฟิล์มพลาสติกอย่างยั่งยืน, สุพิชฌาย์ ศาศวัตวิบูลย์

Chulalongkorn University Theses and Dissertations (Chula ETD)

งานวิจัยนี้มีวัตถุประสงค์เพื่อศึกษาปัญหาและข้อจำกัดของการจัดการขยะฟิล์มพลาสติกในเขตกรุงเทพมหานคร พร้อมทั้งสร้างแนวทางการออกแบบระบบจัดการขยะที่สามารถนำฟิล์มพลาสติกกลับเข้าสู่กระบวนการรีไซเคิลได้อย่างมีประสิทธิภาพ โดยศึกษาข้อมูลจากกลุ่มตัวอย่าง 3 กลุ่ม ได้แก่ ผู้บริโภค (End Consumer) ธุรกิจการจัดการขยะ และโรงงานผู้ผลิต/โรงงานรีไซเคิล ดำเนินการวิจัยระหว่างเดือนสิงหาคม พ.ศ. 2566 ถึง ธันวาคม พ.ศ. 2567 งานวิจัยพบช่องว่างหลักในปัจจุบัน ได้แก่ ความยุ่งยากในการทำความสะอาดขยะฟิล์ม ขาดมาตรฐานในการแยกขยะ และการเข้าถึงระบบรองรับที่มีอยู่ยังทำได้ยาก อีกทั้งผู้บริโภคยังขาดแรงจูงใจอย่างเป็นรูปธรรม โดยเฉพาะในกลุ่มผู้ที่แม้มีความตั้งใจแต่ยังรู้สึกว่าการคัดแยกเป็นภาระ และการสนับสนุนจากภาครัฐยังอยู่ในระดับขอความร่วมมือ ไม่ได้ผลักดันเชิงนโยบายหรือกฎหมายอย่างจริงจัง นอกจากนี้ยังพบข้อกังวลด้านบทบาทของสมาคมผู้ผลิตพลาสติกที่อาจเกิดความทับซ้อนกับบทบาทของภาคธุรกิจขนาดใหญ่ที่ต้องจ่ายค่าธรรมเนียมตามหลักการ EPR หากสมาคมฯ เป็นเจ้าภาพหลักเพียงฝ่ายเดียวจึงอาจต้องออกแบบระบบการประสานงานร่วมกับภาคอุตสาหกรรมและสถาบันกลางให้มีความครอบคลุมและสมดุล การวิจัยเริ่มต้นจากการวิเคราะห์สถานการณ์ขยะพลาสติกในปัจจุบัน พฤติกรรมของผู้บริโภค การทำงานของผู้มีส่วนได้ส่วนเสียในระบบ และแนวทางการแก้ไขปัญหาที่ใช้อยู่ในปัจจุบัน ผ่านกระบวนการวิจัยที่ประกอบด้วยการทบทวนวรรณกรรมที่เกี่ยวข้อง การเก็บข้อมูลผ่านแบบสอบถามออนไลน์ การสัมภาษณ์เชิงลึก รวมถึงกิจกรรม focus group และการออกแบบร่วม (co-creation) เพื่อระบุปัญหาและโอกาสในการพัฒนาระบบจัดการขยะฟิล์มพลาสติก โดยอาศัยแนวคิดการออกแบบระบบผลิตภัณฑ์และบริการ (Product-Service System Design) มาเป็นแนวทางหลักในการออกแบบ ผลลัพธ์ของการวิจัยคือการออกแบบระบบการจัดการขยะฟิล์มพลาสติกที่มีจุดสัมผัส (Touchpoint) กับผู้ใช้งานในหลายรูปแบบ ได้แก่ แอปพลิเคชันสำหรับสะสมขยะฟิล์มพลาสติก, เครื่องปั่นขยะฟิล์มพลาสติกเพื่อเตรียมสำหรับการรีไซเคิล, แบดจ์ติดหน้าร้านสำหรับร้านค้าที่เข้าร่วมโครงการเพื่อสื่อสารการมีส่วนร่วม และจุดรับขยะ (Drop Point) อัจฉริยะที่สามารถแสดงสถานะการใช้งานได้ โดยทั้งหมดถูกพัฒนาเพื่อตอบ pain point ที่พบจากผู้ใช้งาน ผลการศึกษาชี้ให้เห็นว่าขยะฟิล์มพลาสติกแม้จะมีปริมาณมากในชีวิตประจำวัน แต่ยังขาดระบบจัดการที่เหมาะสม เนื่องจากข้อจำกัดด้านมูลค่าที่ต่ำ ความยุ่งยากในการทำความสะอาด และน้ำหนักเบาซึ่งส่งผลต่อความยากในการขนส่ง ระบบที่ออกแบบขึ้นนี้จึงมีเป้าหมายเพื่อเพิ่มประสิทธิภาพการคัดแยกและรวบรวมขยะฟิล์มพลาสติกตั้งแต่ต้นทาง พร้อมส่งเสริมการมีส่วนร่วมของผู้คนในชุมชนและภาคส่วนที่เกี่ยวข้อง เพื่อสร้างระบบการจัดการขยะที่ยั่งยืนมากยิ่งขึ้นในอนาคต จากการทดสอบแนวคิดกับผู้ใช้งาน พบว่าผู้ใช้งานต้องการระบบที่เข้าใจง่ายและให้ผลลัพธ์ที่ชัดเจน โดยเฉพาะระบบการแบ่งระดับผู้ใช้ตามความสามารถในการแยกขยะ ระบบสะสมแต้ม และการติดตามเส้นทางขยะ ล้วนสร้างแรงจูงใจและความเชื่อมั่นในการมีส่วนร่วมได้อย่างมีประสิทธิภาพ ในขณะที่ฟีเจอร์เชิงเทคโนโลยี เช่น ระบบ AI และการเลือกถุงขยะล่วงหน้า ช่วยลดความยุ่งยากในการใช้งานจริง และสะท้อนถึงความตั้งใจของผู้วิจัยในการออกแบบให้สอดคล้องกับบริบทการใช้งานในชีวิตประจำวัน


แนวทางการแปลข้อความแสดงอุปลักษณ์เชิงมโนทัศน์ในบทความสารคดีของนิตยสาร National Geographic จากภาษาอังกฤษเป็นภาษาไทย, สริตา บูรณะสัมฤทธิ Jan 2024

แนวทางการแปลข้อความแสดงอุปลักษณ์เชิงมโนทัศน์ในบทความสารคดีของนิตยสาร National Geographic จากภาษาอังกฤษเป็นภาษาไทย, สริตา บูรณะสัมฤทธิ

Chulalongkorn University Theses and Dissertations (Chula ETD)

สารนิพนธ์ฉบับนี้มุ่งศึกษาอุปลักษณ์เชิงมโนทัศน์ในตัวบทสารคดีวิทยาศาสตร์จากนิตยสาร National Geographic และกลวิธีการถ่ายทอดอุปลักษณ์เชิงมโนทัศน์จากต้นฉบับอังกฤษไปยังฉบับแปลภาษาไทย ผู้วิจัยศึกษาแนวคิดอุปลักษณ์เชิงมโนทัศน์ของ Lakoff และ Johnson (2003) แนวทางการระบุรูปภาษาที่แสดงอุปลักษณ์ของกลุ่ม Pragglejaz Group แนวทางการแปลอุปลักษณ์เชิงมโนทัศน์จากงานวิจัยตัวบทประเภทต่าง ๆ ตลอดจนประเภทอุปลักษณ์ที่พบในตัวบทวิทยาศาสตร์และสารคดี และประยุกต์ใช้กรอบการวิเคราะห์กลวิธีการแปลของ Papadoudi (2010) Schäffner (2004) Deignan et al. (1997) และ Toury (1995) ในการวิเคราะห์ข้อมูล ผลการวิจัยพบว่า จากข้อมูลอุปลักษณ์เชิงมโนทัศน์ที่เก็บจำนวน 126 ตัวอย่าง มีจำนวนรูปภาษาแสดงอุปลักษณ์ทั้งหมด 114 รูป สามารถจำแนกอุปลักษณ์ที่พบได้ 19 ประเภท เรียงลำดับจากมากที่สุดไปน้อยที่สุด ได้แก่ อุปลักษณ์สงคราม อุปลักษณ์มนุษย์ อุปลักษณ์การเดินทาง อุปลักษณ์เชิงกายภาพ อุปลักษณ์สิ่งมีชีวิต อุปลักษณ์คอมพิวเตอร์ อุปลักษณ์ศิลปะ อุปลักษณ์ธุรกิจ อุปลักษณ์เครื่องนุ่งห่ม อุปลักษณ์สุขภาพ อุปลักษณ์เกม กีฬา และการแข่งขัน อุปลักษณ์ก่อสร้าง อุปลักษณ์เครื่องจักร อุปลักษณ์พืชและการเพาะปลูก อุปลักษณ์เชิงทิศทาง อุปลักษณ์อาหาร อุปลักษณ์สัตว์ อุปลักษณ์ศาสนา และอุปลักษณ์ภัยธรรมชาติ จากการวิเคราะห์ พบว่าอุปลักษณ์ที่พบในภาษาอังกฤษปรากฏในภาษาไทยทุกประเภท ยกเว้นอุปลักษณ์ภัยธรรมชาติ ผลการวิเคราะห์บทแปลแตกต่างไปจากสมมติฐานเดิมที่ตั้งไว้ว่ากลวิธีการแปลที่พบมากสุดคือการแปลอุปลักษณ์โดยรักษามโนทัศน์เดิม การแปลอุปลักษณ์โดยใช้มโนทัศน์ที่แตกต่างกัน และการแปลโดยไม่รักษาอุปลักษณ์ ตามลำดับ แต่ผลการวิจัยพบว่ากลวิธีการแปลที่พบมากสุด ได้แก่ 1) การแปลโดยรักษามโนทัศน์เดิมและใช้รูปภาษาเหมือนเดิม พบร้อยละ 52.34 2) การแปลโดยไม่รักษาอุปลักษณ์ พบร้อยละ 21.09 3) การแปลโดยรักษามโนทัศน์เดิมแต่ใช้รูปภาษาที่ต่างไปจากเดิม พบร้อยละ 10.94 4) การแปลโดยใช้มโนทัศน์ที่ต่างกัน พบร้อยละ 10.16 5) การตัดอุปลักษณ์ในภาษาต้นทางทิ้ง พบร้อยละ 3.91 และ 6) การแปลสิ่งที่ไม่ใช่อุปลักษณ์เป็นอุปลักษณ์ พบร้อยละ 1.56 ทั้งนี้ ไม่พบการเพิ่มอุปลักษณ์เชิงมโนทัศน์ลงไปในบทแปล โดยสรุป อุปลักษณ์ในตัวบทสารคดีวิทยาศาสตร์จากภาษาอังกฤษสามารถถ่ายทอดเป็นภาษาไทยได้เป็นส่วนใหญ่โดยไม่มีอุปสรรค โดยอุปลักษณ์แต่ละประเภทสามารถถ่ายทอดได้ผ่านกลวิธีที่แตกต่างกัน …


Exploring The Efficacy Of Expressive Arts Therapy For Promoting Emotional Expression In Adolescents With Psychosomatic Symptoms: A Scoping Review, Lalida Therakomen Jan 2024

Exploring The Efficacy Of Expressive Arts Therapy For Promoting Emotional Expression In Adolescents With Psychosomatic Symptoms: A Scoping Review, Lalida Therakomen

Chulalongkorn University Theses and Dissertations (Chula ETD)

Adolescents often experience emotional challenges that can manifest as psychosomatic symptoms, a condition linked to emotional suppression and alexithymia. While evidence supports the use of art therapy, the specific application of expressive arts therapy (EAT) for psychosomatic symptoms in this population remains under-researched, particularly in Eastern cultural contexts. This scoping review was conducted to explore the efficacy of EAT in promoting emotional expression in adolescents with psychosomatic symptoms. A systematic search of four databases, guided by PRISMA guidelines, identified 15 studies for synthesis, including five Randomized Controlled Trials (RCTs). Findings consistently reported that interventions improved emotional expression, reduced psychosomatic symptoms …


Curatorial Practice Project For Education Program: Analog Expression – Emotional Language Through Camera-Less Photography, Swita Uancharoenkul Jan 2024

Curatorial Practice Project For Education Program: Analog Expression – Emotional Language Through Camera-Less Photography, Swita Uancharoenkul

Chulalongkorn University Theses and Dissertations (Chula ETD)

This independent study examines curatorial practice in developing educational programs that utilize camera-less photography as a medium for emotional expression. Building upon the theoretical framework of light as both physical phenomenon and metaphorical concept, this research investigates how photograms and cyanotypes function as accessible tools for translating emotional states into visual language through hands-on workshops.The study focuses on analog photographic processes that emphasize direct physical engagement with light-sensitive materials. Unlike digital photography's emphasis on precision and control, analog processes embrace materiality, unpredictability, and temporal engagement, creating opportunities for contemplative practice and authentic emotional expression while requiring minimal technical expertise.Through collaborative …


Curatorial Practice Research: Multi-Sensory Art Exhibitions For Children With Special Needs With New Perspectives In Inclusive Curatorial Practices, Zixin Huang Jan 2024

Curatorial Practice Research: Multi-Sensory Art Exhibitions For Children With Special Needs With New Perspectives In Inclusive Curatorial Practices, Zixin Huang

Chulalongkorn University Theses and Dissertations (Chula ETD)

This study explores how multisensory exhibition design can promote inclusion and participation for neurodiverse children, particularly those on the autism spectrum, within art spaces. It focuses on two representative case studies from Australia, namely the Children's Program of the Asia Pacific Triennial and the curatorial practices of Erica Tandori. The research analyzes how sensory elements such as touch, sound, smell, and spatial arrangement can enhance accessibility and interaction in exhibition environments. Building on this analysis, the study proposes a conceptual exhibition layout model that emphasizes participatory interaction, emotional support, and sensory exploration. Informed by literature review and public survey findings, …


Lead-Free Perovskite/Metal Oxide Heterojunction Photocatalyst For Sustainable Toluene Oxidation, Zakarya Hazaea Jan 2024

Lead-Free Perovskite/Metal Oxide Heterojunction Photocatalyst For Sustainable Toluene Oxidation, Zakarya Hazaea

Chulalongkorn University Theses and Dissertations (Chula ETD)

An important field of study is the ecologically benign synthesis of useful compounds such as benzaldehyde and benzyl alcohol from the organic contaminant toluene. Lead-free halide perovskites are excellent options for photocatalysis due to their exceptional photoelectric properties. Nonetheless, they have notable challenges, such as fast charge recombination and ineffective charge separation. In this work, we present a simple anti-solvent technique to create a heterojunction between lead-free halide perovskite Cs2AgBiBr6 (CABB) with Cu2O and Cu-Cu2O. This combination facilitates the photocatalytic activation of C(sp3)−H bonds, which in turn increases the oxidation of toluene. The Cu2O and Cu-Cu2O creating a Z-scheme heterojunction …


Key Determinants Of Under-Five For Policy Focus : Economic Status, Healthcare Access, Or Maternal Education?, Wai Yan Htun Jan 2024

Key Determinants Of Under-Five For Policy Focus : Economic Status, Healthcare Access, Or Maternal Education?, Wai Yan Htun

Chulalongkorn University Theses and Dissertations (Chula ETD)

Background: Despite Myanmar initiatives to improve maternal and child healthcare, the Under-Five Mortality Rate (U5MR) in Myanmar remains critically high, ranking 44th globally in 2023 according to the World Bank. This reflects persistent socioeconomic inequalities and disparities in healthcare access. Objective: This study aims to analyze the influence of maternal education level, household wealth, and access to healthcare services on U5MR in Myanmar, and to propose relevant policy recommendations. Methods: This research utilized secondary data from the 2015-2016 Myanmar Demographic and Health Survey (MDHS). The sample included 4,809 children under five years of age, derived from interviews with 3,862 mothers. …


Investigating Gender-Based Stereotypes In Advertisement Landscape : A Multimodal Analysis Of An Indian Town, Debraj Gogoi, Sweta Sinha Jan 2024

Investigating Gender-Based Stereotypes In Advertisement Landscape : A Multimodal Analysis Of An Indian Town, Debraj Gogoi, Sweta Sinha

Manusya, Journal of Humanities

This study examines the prevalence of gender stereotypes in outdoor advertising within an Indian satellite town, focusing on the portrayal of women and men in stereotypical gender roles. Images of outdoor advertisements were collected from the busy streets and subjected to purposive sampling for analysis. The analysis was done with critical discourse analysis and multimodal discourse analysis. The results reveal a clear endorsement of men in powerful and high-status positions, while women are consistently depicted as objects and confined to traditional roles as homemakers. The purpose of this study is to emphasize the importance of addressing gender issues, not only …


Covid-19 Vaccine And Infection And The Relationship To Lichen Planus Flare-Ups: A Self-Reported Survey Study, Sara Kube Jan 2024

Covid-19 Vaccine And Infection And The Relationship To Lichen Planus Flare-Ups: A Self-Reported Survey Study, Sara Kube

Theses and Dissertations

Purpose: The aim of this study was to determine if there is an increased occurrence of oral lichen planus flare-ups after COVID-19 vaccination or infection.

Methods: An 11-item questionnaire was dispersed to patients with a diagnosis of oral lichen planus. The survey contained questions regarding the patient’s history of COVID-19 vaccination and infection as it relates subjective oral lichen planus flare-ups (i.e. oral redness, oral ulcerations, and/or oral pain/discomfort).

Results: Self-reported flares were significantly associated with whether or not vaccine side effects were also reported (p-value=0.0053). For those who reported experiencing side effects (tiredness, headache, muscle pain, chills, fever, nausea), …


Family Rejection And Affirmation Experiences Among Racially And Ethnically Marginalized Youth Who Identify As Transgender And/Or Gender Diverse, Angela Matijczak Jan 2024

Family Rejection And Affirmation Experiences Among Racially And Ethnically Marginalized Youth Who Identify As Transgender And/Or Gender Diverse, Angela Matijczak

Theses and Dissertations

Relationships with family members can be a vital source of support, and significant stressor, that contributes to mental health outcomes among transgender and gender diverse young adults who are racially and ethnically marginalized (TGD REMY). Guided by a life history narrative approach, this qualitative study explored family affirmation and rejection among TGD REMY across three aims: (a) how TGD REMY define their experiences of family rejection and/or affirmation, (b) whether and how experiences of rejection/affirmation change throughout the lifetime, and (c) whether and how experiences of rejection/affirmation differ by each family member. Semi-structured interviews were conducted with 17 TGD REMY …


Identifying Mechanistic Pathways To Rigidity Associated With Obsessive-Compulsive Personality Disorder Traits Using A Novel Decision-Making Paradigm, Hannah L. Heintz Jan 2024

Identifying Mechanistic Pathways To Rigidity Associated With Obsessive-Compulsive Personality Disorder Traits Using A Novel Decision-Making Paradigm, Hannah L. Heintz

Theses and Dissertations

Cognitive and behavioral rigidity is observed across several mental disorders and is a defining characteristic of Obsessive-Compulsive Personality Disorder (OCPD), a highly prevalent and debilitating, yet understudied, disorder. In particular, treatments for OCPD are underdeveloped due to our poor understanding of the mechanisms leading to the disorder’s key feature of rigidity. Two related disorders, anorexia nervosa (AN) and obsessive-compulsive disorder (OCD), have shown distinct mechanistic pathways leading to symptoms of rigidity, indicating that this trait can arise as a result of a number of differentially impaired cognitive processes, each requiring unique interventions. To examine the relationship between symptoms of OCPD …


A Mixed Methods Exploration Of Occupational Therapy Pratice And Multiple Sclerosis Specialization, Dana Alghadban Jan 2024

A Mixed Methods Exploration Of Occupational Therapy Pratice And Multiple Sclerosis Specialization, Dana Alghadban

Theses and Dissertations--Rehabilitation Sciences

The aim of this dissertation is to increase the body of research of how occupational therapists can address multiple sclerosis rehabilitation through occupational therapy services. Multiple sclerosis is a neurodegenerative disease that creates challenges for individuals to engage in meaningful occupations and significantly affects many areas of their lives. Occupational therapists play a role in the rehabilitation process for people with multiple sclerosis by providing occupation-focused interventions that may improve the health and well-being of clients living with the disease. As a result of the unpredictability of symptoms experienced by this population, individualized approaches to addressing participation and occupational performance …


Associations Between Urine Specific Gravity And Race/Ethnicity At The Population Level: Implications For Hydration Status Categorization, Ian P. Winter, Brain K. Ferguson, Patrick B. Wilson Jan 2024

Associations Between Urine Specific Gravity And Race/Ethnicity At The Population Level: Implications For Hydration Status Categorization, Ian P. Winter, Brain K. Ferguson, Patrick B. Wilson

Exercise Science Faculty Publications

Objective

We aimed to evaluate how urine specific gravity (USG) and rates of supposed hypohydration vary by race/ethnicity, and to examine how adjustment for several important factors impacts estimated USG.

Methods

Using the National Health and Nutrition Examination Survey, this cross‐sectional study evaluated a total of 4195 (2098 female, 2097 male) Americans and categorized them as supposedly hypohydrated (USG≥1.020) or not using spot urine samples. USG and prevalence of supposed hypohydration were compared across racial/ethnic groups, separately by gender. The analyses considered the impact of urine creatinine, body composition, age, dietary nutrients, and physical activity.

Results

Differences in supposed hypohydration …


The Biobehavioral Effects Of Embryonic Exposure To Neural Inflammation And Oxidative Stress In Zebrafish, Dalton J. Anderson Jan 2024

The Biobehavioral Effects Of Embryonic Exposure To Neural Inflammation And Oxidative Stress In Zebrafish, Dalton J. Anderson

Honors College Theses

The purpose of this research is to improve understanding of the neurodevelopmental effects of embryonic exposure to elevated inflammation and oxidative stress induced by the antipyretic drug acetaminophen (APAP). Our study was the first to examine the interactive effects of APAP and inflammation in zebrafish embryos and how the treatments affect brain development and larval behavior. Experimental groups of zebrafish larvae were exposed to lipopolysaccharide (LPS) to induce inflammation, APAP, or LPS + APAP and larval behavior was analyzed using Ethovision automated behavioral tracking software. We also measured changes in whole-brain Glycogen Synthase Kinase 3 Beta (GSK3B) and GSK3B phosphorylation, …


Assessment Of The Extraction And Quantification Of Pfbs From Sprague Dawley Rat Adipose Tissues, Joshua O. Osaghae Jan 2024

Assessment Of The Extraction And Quantification Of Pfbs From Sprague Dawley Rat Adipose Tissues, Joshua O. Osaghae

Honors College Theses

Per- and polyfluoroalkyl substances (PFAS) are a group of complex synthetic chemicals that have applications ranging from automotives to consumer products. PFAS have been found to bioaccumulate in the ecosystem as their carbon-fluorine bonds are among the strongest bonds in organic chemistry. Perfluorobutanesulfonic acid (PFBS) compounds are used as surfactants in water- and stain-repellent coatings for fabrics and carpets, cleaning agents, and paints. The persistence of PFAS has led to their accumulation in sources of groundwater, making them ubiquitous drinking water contaminants of concern with evidence linking PFAS exposure to adverse health effects, including reduced kidney function, thyroid disruption, and …


Fungal Activity In Fusarium Keratoplasticum Isolates With And Without Endohyphal Bacteria On Various Carbon Sources, Maya Brown Jan 2024

Fungal Activity In Fusarium Keratoplasticum Isolates With And Without Endohyphal Bacteria On Various Carbon Sources, Maya Brown

Honors College Theses

In recent years, the fungus Fusarium keratoplastic has been associated with failed sea turtle eggs. One fungal isolate collected from a failed egg collected on Wassaw Island, GA in 2020 contained endohyphal bacteria, bacteria living within the hyphae of the fungus. The type of endohyphal bacteria (EHB), as well as the relationship between the bacteria and fungal hosts, are currently unknown. Previous research on the same fungus and EHB, specifically Chitinophaga sp., discovered that EHB influenced the ability of the fungus to utilize carbon sources. Our research goal was to examine the metabolic relationship of Fusarium isolated from failed sea …


Factors Affecting Electrocoagulation Process For Different Water Types: A Review, Shahad Fadhil Abed Al-Rubaye, Naseer A. Alhaboubi, Aiman H. Al-Allaq Jan 2024

Factors Affecting Electrocoagulation Process For Different Water Types: A Review, Shahad Fadhil Abed Al-Rubaye, Naseer A. Alhaboubi, Aiman H. Al-Allaq

Mechanical & Aerospace Engineering Faculty Publications

Raw water must meet specific physical, chemical, and biological requirements to be suitable for drinking. There are various techniques available for treating wastewater, and aside from conventional methods that involve chemicals, electrocoagulation is an efficient and advanced approach. Electrocoagulation has proven effective in treating many pollutants, including bacteria, viruses, iron, fluoride, sulfate, boron, hardness, and turbidity. Total suspended solids, organic and inorganic materials, chemical oxygen demand COD, biochemical oxygen demand BOD, and color. It finds extensive application in treating different types of water and wastewater due to its exceptional ability to remove diverse contaminants. Recently, electrocoagulation has garnered significant attention …


Ca2+ Binding Shifts Dimeric Dual Oxidase's Truncated Ef-Hand Domain To Monomer, Chin-Chuan Wei, Amena Razzak, Hadis Ghasmi Jan 2024

Ca2+ Binding Shifts Dimeric Dual Oxidase's Truncated Ef-Hand Domain To Monomer, Chin-Chuan Wei, Amena Razzak, Hadis Ghasmi

SIUE Faculty Research, Scholarship, and Creative Activity

Hydrogen peroxide, produced by Dual Oxidase (Duox), is essential for thyroid hormone synthesis. Duox activation involves Ca2+ binding to its EF-hand Domain (EFD), which contains two EF-hands (EFs). In this study, we characterized a truncated EFD using spectrometry, calorimetry, electrophoretic mobility, and gel filtration to obtain its Ca2+ binding thermodynamic and kinetics, as well as to assess the associated conformational changes. Our results revealed that its 2nd EF-hand (EF2) exhibits a strong exothermic Ca2+ binding (Ka = 107 M−1) while EF1 shows a weaker binding (Ka = 105 M−1), resulting in the burial of its negatively charged residues. The Ca2+ …


Leveraging High Resolution Classifications And Random Forests For Hindcasting Decades Of Mesic Ecosystem Dynamics In The Landsat Time Series, N. E. Kolarik, Nawaraj Shrestha, T. Caughlin, J. S. Brandt Jan 2024

Leveraging High Resolution Classifications And Random Forests For Hindcasting Decades Of Mesic Ecosystem Dynamics In The Landsat Time Series, N. E. Kolarik, Nawaraj Shrestha, T. Caughlin, J. S. Brandt

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Statewide Groundwater-Level Monitoring Report 2023, Aaron R. Young, Mark E. Burbach, Sue Olafsen Lackey, Robert Matthew Joeckel, Nawaraj Shrestha, Jeffrey Westrop Jan 2024

Nebraska Statewide Groundwater-Level Monitoring Report 2023, Aaron R. Young, Mark E. Burbach, Sue Olafsen Lackey, Robert Matthew Joeckel, Nawaraj Shrestha, Jeffrey Westrop

Conservation and Survey Division: Faculty and Staff Publications

This report is a synthesis of groundwater-level monitoring programs in Nebraska. It is a continuation of the series of annual reports and maps produced by the Conservation and Survey Division (CSD) of the University of Nebraska in cooperation with the U.S. Geological Survey (USGS) since the 1950s. Groundwater-level monitoring began in Nebraska in 1930 to survey the state’s groundwater resources and observe changes in its availability on a regular basis. The CSD and USGS cooperatively developed, maintained, and operated an observation-well network throughout the state. These two agencies were responsible for collecting and archiving this information, and for making it …


Age Dating Young Groundwater: How To Determine Groundwater Age From Environmental Tracer Data, D. K. Solomon, T. E. Gilmore Jan 2024

Age Dating Young Groundwater: How To Determine Groundwater Age From Environmental Tracer Data, D. K. Solomon, T. E. Gilmore

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Risk Factors Of Glioma In Non-Hispanic White And Hispanic Children In California, Lixin Kang Jan 2024

Risk Factors Of Glioma In Non-Hispanic White And Hispanic Children In California, Lixin Kang

Public Health Theses

Purpose: This study aimed to evaluate the risk of pediatric glioma in relation to multiple birth and parental characteristics as well as environmental exposures, in the overall California population and in racial and ethnic subgroups.

Methods: Leveraging a population-based linkage of statewide birth records and cancer registry data in California, we conducted a case-control study that included 3,244 cases who were born in California during 1982-2015 and diagnosed with first primary glioma at the age of 0-19 years during 1988-2015, and 162,200 controls who were born in California and frequency-matched to cases on year of birth. Odds ratios (OR) and …


How Marital Stress May Affect The Onset Of Dementia In Older Adults, Khunza Asma Jan 2024

How Marital Stress May Affect The Onset Of Dementia In Older Adults, Khunza Asma

All Graduate Theses, Dissertations, and Other Capstone Projects

Marital stress has been identified as a significant factor influencing the cognitive health of older adults, with emerging evidence suggesting a potential link between marital discord and the risk of developing dementia. This study will review the existing literature on the relationship between chronic stress, depression, marital discord, and the development of cognitive impairment which can increase the risk of developing dementia in older adults. However, the purpose of studying how marital stress affects the onset of dementia is to deepen our understanding of the complex interplay between psychosocial factors and cognitive health in older adults, with the ultimate goal …


Integrative Machine Learning Approaches For Enhanced Classification Of Genomic Sequences: A Next-Generation Sequencing Perspective, Sujatha Alla, Nagesh Bheesetty, Sai Gireesh Komaragiri, Prasanthi Chidipudi, Joshit Mohanty, Sathish Kumar Chintala, Jubin Thomas, Jayapal Vummadi, Hemanth Volikatla, Navin Kamuni Jan 2024

Integrative Machine Learning Approaches For Enhanced Classification Of Genomic Sequences: A Next-Generation Sequencing Perspective, Sujatha Alla, Nagesh Bheesetty, Sai Gireesh Komaragiri, Prasanthi Chidipudi, Joshit Mohanty, Sathish Kumar Chintala, Jubin Thomas, Jayapal Vummadi, Hemanth Volikatla, Navin Kamuni

Engineering Management & Systems Engineering Faculty Publications

The advent of Next-Generation Sequencing (NGS) techniques has revolutionized genomic research by enabling the rapid sequencing of DNA and RNA. This data can be used for various applications, including genome sequencing, transcriptome profiling, metagenomics, and epigenetics studies. For this study, DNA classifier dataset was extracted from UCI repository of machine learning databases. This vast amount of genomic data necessitates the development of sophisticated machine learning (ML) models for effective classification and analysis. This study presents a comprehensive comparison of various ML models, including Support Vector Machines (SVM), Random Forests (RF), and Neural Networks (NNs), approaches, in classifying genomic data. We …


Food Allergies, The Immune Response, And Preventative Treatments: Milk, Egg, And Shellfish Allergies, Marissa Dimatteo Jan 2024

Food Allergies, The Immune Response, And Preventative Treatments: Milk, Egg, And Shellfish Allergies, Marissa Dimatteo

Undergraduate Honors Theses

Food allergies have been an increasing concern worldwide with very little information on preventative measures and treatment. They can have long lasting and life-threatening consequences with a wide range of symptoms from hives to anaphylactic shock. Long recommended feeding guidelines, vitamin and mineral deficiencies, and gastrointestinal alterations are thought to play a role in the increase in food allergies in infants. Early introduction of food, immunotherapy, and a properly supported gut microbiome have been recommended to decrease the likelihood of developing a food allergy and desensitizing the immune system.


Community Science Informs Movement And Reproductive Ecology Of Sand Tigers Carcharias Taurus Off North Carolina, United States Of America, Carol Seals Price, Ara Lupton Mcclanahan, Erin J. Burge, Tanya Houppermans, Jason Holmberg Jan 2024

Community Science Informs Movement And Reproductive Ecology Of Sand Tigers Carcharias Taurus Off North Carolina, United States Of America, Carol Seals Price, Ara Lupton Mcclanahan, Erin J. Burge, Tanya Houppermans, Jason Holmberg

Marine Science

Sand tigers are frequently observed at shipwrecks and other artificial reef habitats off North Carolina (USA), but data about occupancy, movement ecology, and site fidelity are lacking. Spot A Shark USA researchers used Wildbook© photoidentification software to spot map sand tigers in images provided by recreational SCUBA divers, or collected from remotely operated vehicles, and an offshore live-streaming camera. We uniquely identified 1837 sand tigers, 101 of which were resighted on more than one date between 2005–2021. Sand tigers of both sexes and various ages were found year-round along the northern, central and southern coast. We identified shipwrecks or …


A “War” Over Lobster And Whales: The Issue-Attention Cycle, Media Discourse, And Political Ecology Of Right Whale Science And Conservation In Six Us Newspapers, Marcus Reamer, Catherine Macdonald, Julia Wester, Russell Fielding, Meryl Shriver-Rice Jan 2024

A “War” Over Lobster And Whales: The Issue-Attention Cycle, Media Discourse, And Political Ecology Of Right Whale Science And Conservation In Six Us Newspapers, Marcus Reamer, Catherine Macdonald, Julia Wester, Russell Fielding, Meryl Shriver-Rice

Honors College Faculty Publications

News organizations and journalists are important and influential actors in environmental politics. Their reporting on social and environmental issues often follows issue-attention cycles (IACs) that emphasize drama and problematization to maintain public interest. This study examined nearly 13 years of news coverage to understand the media discourse about the Critically Endangered North Atlantic right whale (NARW) and its conservation. Content analysis and critical discourse analysis were used to analyze 356 texts published in six large US newspapers between January 1, 2010 and March 15, 2023. NARW conservation and management received increased public attention and an IAC began in 2017 after …


Incorporating Traditional Ecological Knowledge In Integrated Science In Junior Secondary School Curriculum, Charles Oando Opole Jan 2024

Incorporating Traditional Ecological Knowledge In Integrated Science In Junior Secondary School Curriculum, Charles Oando Opole

Master of Education

Indigenous knowledge, developed over generations through direct interaction with the environment, offers unique perspectives on ecological systems, resource management, and sustainable practices. Integrating this rich knowledge into the science curriculum acknowledges traditional knowledge's cultural diversity and relevance, fostering a more comprehensive understanding of scientific phenomena, and encouraging collaboration between diverse knowledge systems. This study sought to explore incorporating traditional ecological knowledge (TEK) into the integrated science curriculum in junior secondary schools in Kenya, focusing on the Mbita sub-county, Homabay County. Utilizing a qualitative approach and a case study design, the study was conducted in five junior secondary schools. The findings …


Assessing School Self-Evaluation For Enhancing Academic Achievement: A Case Of Selected Secondary Schools In Mara Region, Tanzania, Wambura Mhoni Jan 2024

Assessing School Self-Evaluation For Enhancing Academic Achievement: A Case Of Selected Secondary Schools In Mara Region, Tanzania, Wambura Mhoni

Master of Education

This study investigates the practices and impact of School Self-Evaluation/Internal School Quality Assurance (SSE/ISQA) on academic achievement in secondary schools within the Mara region of Tanzania. Employing a qualitative approach and case study design, 41 participants were purposefully sampled, including school administrators, teachers, and students. Data collection involved semi-structured interviews, focus group discussions, and document analysis, with thematic research applied for data interpretation. Key findings revealed that specific SSE practices, including teacher-student collaboration, follow-up on teaching and learning, and the provision of examinations, positively influence academic achievement. However, stakeholders displayed mixed perceptions towards SSE/ISQA, with concerns about transparency and potentially …


Exploring The Use Of Experiential Learning Strategies To Develop Science Process Skills In Primary Schools In Arua City – West Nile, Uganda., Wilfred Joe Ken Okwaimung Jan 2024

Exploring The Use Of Experiential Learning Strategies To Develop Science Process Skills In Primary Schools In Arua City – West Nile, Uganda., Wilfred Joe Ken Okwaimung

Master of Education

Teachers in Uganda still make use of the traditional teacher-centred pedagogies that do not factor in the learners’ past experiences, interactions, and engagement in the learning process. This reduces the learners’ abilities to acquire some Science Process Skills which are vital for further acquisition of scientific knowledge and skills for future learning and practice of science. Science teaching and learning require practical pedagogies that make the learning meaningful. Using lesson observation, interviews, focus group discussion, and document analysis, this Action Research, sought to find out whether the current pedagogies that teachers used, integrated Experiential Learning Strategies as an intervention to …