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Effect Of Cannabis Sativa Byproduct Supplementation During Transition Period On Maternal Behavior, Feed Intake, Colostrum Yield And Piglet Survival Rate In Hyperprolific Sows, Rafa Boonprakob
Chulalongkorn University Theses and Dissertations (Chula ETD)
In the modern swine industry, addressing inflammation and pain in sows after farrowing is a crucial animal welfare concern. Cannabis sativa, a medicinal plant, possesses properties that serve as an analgesic, anti-inflammatory, and antipyretic, while also being abundant in fiber. The objective of this study is to examine the impact of supplementing sows with Cannabis sativa byproducts during transition periods on various aspects including postpartum behavior, feed intake, constipation, farrowing duration, colostrum yield, and piglet performance. The experiment involved a total of 100 Landrace × Yorkshire sows. The sows were distributed according to parity numbers into 2 groups, i.e., control …
Music Reminiscence In Music Therapy For Elderly Population: A Scoping Review Of The Literature, Jugyodsapatn Kwankeeree
Music Reminiscence In Music Therapy For Elderly Population: A Scoping Review Of The Literature, Jugyodsapatn Kwankeeree
Chulalongkorn University Theses and Dissertations (Chula ETD)
The purpose of this scoping review was to summarize the specific music interventions and clinical goals utilized in music-based reminiscence for elderly population with and without neurocognitive disorders. Fourteen articles meeting the inclusion criteria were selected in this review. The results showed music-based reminiscence interventions were conducted by both music therapists and non-music therapists. Interventions implemented by music therapists showed a greater diversity based on numerous goal domains compared to non-music therapists. Music therapists assess various domains of health comprehensively, while other professionals mostly used music-based reminiscence intervention to address mainly the cognitive domain. The most frequently utilized music intervention …
Surveillance And Genetic Characterization Of Severe Acute Respiratory Coronavirus Type 2 (Sars-Cov-2) Infections In Domestic Animals And Wildlife In Thailand, Waleemas Jairak
Chulalongkorn University Theses and Dissertations (Chula ETD)
SARS-CoV-2 caused a pandemic outbreak since December 2019 with global implications for public health, economy, and society. This dissertation entitled “Surveillance and genetic characterization of severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) infections in domestic animals and wildlife in Thailand” investigates the transmission incidence and characterization of the virus between humans and animals. This thesis comprises 4 studies of the surveillance of SARS-CoV-2 in animals and wildlife species in Thailand from 2017 to 2023. The first investigation (Chapter 2) involved a survey of SARS-CoV-2 in domestic dogs and cats in Samut Sakhon province during the second wave of the …
Thailand's Tourist Destination Image And Their Intentions To Revisit, Juxin Mou
Thailand's Tourist Destination Image And Their Intentions To Revisit, Juxin Mou
Chulalongkorn University Theses and Dissertations (Chula ETD)
The robust expansion of global tourism, compounded by the pivotal role of modern technology, has intensified competition within the tourism market. This dynamic landscape has prompted nations to focus keenly on the development of tourism and the cultivation of a positive destination image. A strong, appealing image is crucial—it not only draws tourists but also amplifies the destination's competitive edge. Indeed, a favorable destination image can enhance visitors' perceptions, boost their satisfaction, and increase their likelihood to return. In the context of China's soaring economy and rising living standards, the appetite for outbound tourism among Chinese citizens has surged, propelling …
Food Tourism As A Means Of Promoting Food Sustainability: A Case Study Of Street Food In Bangkok, Marissa Soltoff
Food Tourism As A Means Of Promoting Food Sustainability: A Case Study Of Street Food In Bangkok, Marissa Soltoff
Chulalongkorn University Theses and Dissertations (Chula ETD)
In 2002, the Thai government lauched two gastrodiplomacy initiatives to promote cultural awareness, increase export revenue, and boost tourism by increasing the number and quality of Thai restaurants abroad. These iniatives have been vastly successful and have since been emulated by other countries. This paper builds on the gastrodiplomacy initiatives' success by exploring the possibility of the same methods being applied to promotion of food sustainability. This research addresses the questions surrounding the factors that both enable and risk food sustainability, the sustainability projects currently being pursued in Thailand, any possible link between food sustainability and gastrodiplomacy with regards to …
Thailand's Role In Asean's Preventive Diplomacy, Usaimeen Waenalai
Thailand's Role In Asean's Preventive Diplomacy, Usaimeen Waenalai
Chulalongkorn University Theses and Dissertations (Chula ETD)
This research delves into Thailand's pivotal role in the context of ASEAN's preventive diplomacy efforts, aiming to provide a nuanced understanding of the nation's contributions and challenges in maintaining regional stability and conflict prevention. As a key member of the Association of Southeast Asian Nations (ASEAN), Thailand's diplomatic engagements have significant implications for the collective security of the region. The study employs a multidimensional approach, combining historical analysis, policy evaluation, and case studies to elucidate the evolution of Thailand's preventive diplomacy strategies within the ASEAN framework. The research begins by examining the foundational principles and historical antecedents of preventive diplomacy, …
The Study Of Clinical Detection, Characteristics, Prevalence And Genotype Variations Among Familial Hypercholesterolemia Patients Screened During Annual Health Examination, Poranee Ganokroj
Chulalongkorn University Theses and Dissertations (Chula ETD)
Background: FH often remains underdiagnosed. We aimed to identify potential FH cases, and study it’s prevalence, clinical characteristics, and genetic variations. Method: A retrospective cohort study was conducted during an annualhealth examination. The potential FH cases were identified by using the three standard criteria: Dutch Lipid Clinic Network (DLCN), Simon Broome (SB), and Make Early Diagnosis to Prevent Early Deaths (MEDPED). A comparative analysis of clinical characteristics and LDL-C cut-off levels between potential FH and unlikely FH was performed. The genetic study for FH-related mutation among potential FH and family members was analyzed. Results: Among 6,607 participants, potential FH subjects …
Marketing Analysis : A Case Study Of Byd In The Chinese Automobile Market, Yilin Wang
Marketing Analysis : A Case Study Of Byd In The Chinese Automobile Market, Yilin Wang
Chulalongkorn University Theses and Dissertations (Chula ETD)
With the rapid development of the electric vehicle market, the Chinese Automobile industry has ushered in a huge development opportunity. BYD, as the leader of China's electric vehicles, has also achieved remarkable results. However, the fierce market competition and ever-changing consumer demand also brought challenges to BYD. Therefore, to maintain its advantages in the fiercely competitive market environment, BYD needs to formulate marketing strategies that suit its characteristics and further improve its core competitiveness. This study will focus on analyzing BYD's marketing strategy in the Chinese market and explore the reasons for BYD's rapid development in recent years. Firstly, SWOT …
Female Directors On Boards And Firm Performance: Evidence From Chinese A-Share Listed Firms, Dan Shi
Female Directors On Boards And Firm Performance: Evidence From Chinese A-Share Listed Firms, Dan Shi
Chulalongkorn University Theses and Dissertations (Chula ETD)
Globally, despite the rising proportion of women in the workplace, they remain underrepresented in senior management positions, such as boards. Since there is no mandatory gender quota policy in China, the proportion of female directors is much lower than in countries such as those in Europe. In this context, this study aims to evaluate the relationship between the presence, proportion, and number of female directors in Chinese A-share listed companies and corporate financial performance. This paper summarizes the literature on female directors and company value, using principal-agent theory, stakeholder theory, symbolism theory, and non-competitive discrimination theory as the theoretical basis. …
Empirical Analysis Of The Impact Of On-Call Work On Depression Among Chinese Wage Workers: Based On The 2020 China Family Panel Studies, Qianqian He
Chulalongkorn University Theses and Dissertations (Chula ETD)
According to the Chinese government, there are currently 402 million working-class people in China, who are the mainstay of China's economic growth. With the change of time, the development of the Internet and mobile communication technology has enabled employees to work from anywhere, improving efficiency and competitiveness, but also bringing challenges. The burden of depression in China is increasing significantly, with a lifetime prevalence of 6.8% of depressive disorders in Chinese adults, of which depression accounts for 3.4%, and at present, 95 million people in China suffer from depression, and it has become an urgent matter to alleviate the symptoms …
Wage Premiums For Master's Degrees In Thai Private Firms, Shiyu Xiang
Wage Premiums For Master's Degrees In Thai Private Firms, Shiyu Xiang
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aims to examine the wage premiums experienced by individuals with a master's degree employed in private firms in Thailand in comparison to those with a bachelor's degree. This study utilizes labor force survey microdata from the National Statistical Office of Thailand covering 2008 to 2018. The augmented Mincer wage regression method is used in the analysis. The study's findings indicate that individuals with a master's degree in private firms experienced an average earnings advantage of 55% compared to those with a bachelor's degree between 2008 and 2018. Within the scope of master's degrees, the wage differences between men …
Willingness To Communicate In English Of Thai Undergraduate Students In Online English Classrooms, Koravick Thiangtham
Willingness To Communicate In English Of Thai Undergraduate Students In Online English Classrooms, Koravick Thiangtham
Chulalongkorn University Theses and Dissertations (Chula ETD)
The purposes of this mixed-method study were to 1) investigate the level of WTC among undergraduate students in Thailand, and 2) investigate the relationship of English language online classroom environment and WTC among undergraduate students in Thailand. Following the sequential explanatory design, the study was divided into 2 phases 1) the quantitative phase which participants are 406 undergraduate students from universities in Bangkok area. The survey questionnaire which consisted of WTC section and English language online classroom environment section is deployed. 2) the qualitative phase, which the participants consisted of seven undergraduate students who were purposively selected from the WTC …
The Production Of Encapsulated Holy Basil Oil Powder Via Different Scales Of Spray Drying Process., Chanakarn Chungmarisakul
The Production Of Encapsulated Holy Basil Oil Powder Via Different Scales Of Spray Drying Process., Chanakarn Chungmarisakul
Chulalongkorn University Theses and Dissertations (Chula ETD)
The spray drying process is widely utilized in food manufacturing and pharmaceuticals for products like seasoning powder, milk powder, and medicine. This research investigates the scale-up of the spray drying process from laboratory to commercial scale with maintaining the product characteristic. A key aspect of the study is the encapsulation technique applied to prolong the release of essential oils from holy basil, encapsulating the essential substances (liquid, suspension, or emulsion) in nanoparticle form with hot air flow. The study utilizes the Aspen program, incorporating mass and energy balance calculations for simulation. The results, assuming similar particle size, water evaporation per …
Surrogate-Assisted Model Methods For Maximum Compression Capacity Predictions Of Concrete-Filled Stainless-Steel Tubular Columns, Ly Ith
Chulalongkorn University Theses and Dissertations (Chula ETD)
This work explores the prediction of axial strength of circular concrete-filled stainless-steel tubular (CFSST) columns, employing advanced machine learning techniques, including Gaussian Process Regression (GPR) and Extreme Gradient Boosting (XGBoost). The dataset comprises over 100 columns from experimental tests, with only a few of them being long or slender, limiting prediction accuracy. To address this, our study introduces a robust numerical modeling approach using Finite Element Method (FEM) to generate additional data points for long columns. The results are then benchmarked against established standards such as American Institute of Steel Construction (AISC) and the Eurocode 4, illustrating the potential of …
Determination Of Methanol Using Polymers And Mn-Doped Zns Quantum Dots, Sophanat Khenthaphak
Determination Of Methanol Using Polymers And Mn-Doped Zns Quantum Dots, Sophanat Khenthaphak
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aimed to develop a method for methanol detection using digital-image colorimetry (DIC). We synthesized and characterized nanomaterials, including gold nanoparticles (AuNPs) and Mn-doped ZnS quantum dots (Mn/ZnS-QDs), to determine their minimum detectable concentration using DIC. We investigated NMPPy-modified Mn/ZnS-QDs, focusing on optimal temperature for the synthesis, and the effects of NMPPy volume, pH, and buffer solution concentration on methanol detection. However, direct methanol detection was not achieved, this research highlights the potential of NMPPy-modified Mn/ZnS-QDs for methanol detection using DIC. Further development is needed to enhance direct methanol detection.
The Effects Of Computerized Dynamic Reading Assessment On English Reading Comprehension Of Thai Efl Undergraduate Students, Chansak Siengyen
The Effects Of Computerized Dynamic Reading Assessment On English Reading Comprehension Of Thai Efl Undergraduate Students, Chansak Siengyen
Chulalongkorn University Theses and Dissertations (Chula ETD)
A computerized-dynamic assessment (C-DA) test differs from a traditional standardized test in that it diagnoses learners’ fully developed and emerging abilities, provides graduated prompts for challenging items, measures the level of mediation required, and reports a learner profile detailing independent and mediated performance across language constructs (Ebadi & Saeedian, 2015; Pishghadam & Barabadi, 2012; Poehner et al., 2015; Teo, 2012). The objectives of this study were (1) to investigate the effects of the computerized dynamic reading assessment (CDRA) program on English reading comprehension of Thai EFL undergraduate students, (2) to examine the effects of the CDRA program on Thai EFL …
The Effects Of A Genre-Based Writing Assessment-For-Learning Model On Enhancement Of Thai Efl Students’Writing Proficiency, Kasidit Supan
The Effects Of A Genre-Based Writing Assessment-For-Learning Model On Enhancement Of Thai Efl Students’Writing Proficiency, Kasidit Supan
Chulalongkorn University Theses and Dissertations (Chula ETD)
Previous research has shown that teaching writing through different genres helps English as a foreign language (EFL) students improve their writing skills (Dickinson, 2013; Taufiqulloh, 2018; Sritakarn, 2019). However, other studies have found that this method does not always help students organize argumentative essays or use the right linguistic features in these essays (Udomyamokkul, 2004; Ka-Kan-Dee, 2015). The purposes of the present study were (1) to investigate the effects of a genre-based writing assessment-for-learning model on enhancement of Thai EFL students’ writing proficiency, (2) to examine the effects of the model on Thai EFL students’ assessment literacy, and (3) to …
บทบาทของเจ้าหน้าที่ผู้ปฏิบัติงานกับการนำนโยบายเศรษฐกิจวัฒนธรรมไปปฏิบัติ: กรณีศึกษาสำนักงานวัฒนธรรมจังหวัดชัยนาท, ธรรมรัตน์ นาคสิงห์
บทบาทของเจ้าหน้าที่ผู้ปฏิบัติงานกับการนำนโยบายเศรษฐกิจวัฒนธรรมไปปฏิบัติ: กรณีศึกษาสำนักงานวัฒนธรรมจังหวัดชัยนาท, ธรรมรัตน์ นาคสิงห์
Chulalongkorn University Theses and Dissertations (Chula ETD)
สารนิพนธ์นี้ มีวัตถุประสงค์เพื่อศึกษาบทบาท และความสัมพันธ์ของตัวแสดงในนโยบายเศรษฐกิจวัฒนธรรม ตลอดจนผลกระทบ ปัญหา และอุปสรรคของการนำนโยบายเศรษฐกิจวัฒนธรรมไปปฏิบัติในพื้นที่และพัฒนาข้อเสนอแนะในการพัฒนานโยบายเศรษฐกิจวัฒนธรรมในอนาคต โดยนำสำนักงานวัฒนธรรมจังหวัดชัยนาทซึ่งเป็นราชการบริหารส่วนภูมิภาคของกระทรวงวัฒนธรรมเป็นกรณีศึกษาผ่านกรอบแนวคิดการนำนโยบายไปปฏิบัติ ซึ่งผู้วิจัยได้ใช้วิธีการวิจัยเชิงคุณภาพผ่านการศึกษาเอกสาร การสังเกตการณ์อย่างมีส่วนร่วม และการสัมภาษณ์เชิงลึกแบบไม่มีโครงสร้างกับเจ้าหน้าที่ผู้ปฏิบัติงานและชุมชนเครือข่ายทางวัฒนธรรมที่เกี่ยวข้อง ผลการศึกษาวิจัยพบว่า หน้าหน้าที่ผู้ปฏิบัติงานมีบทบาทสำคัญอย่างมากต่อการนำนโยบายไปปฏิบัติ เนื่องจากมีความคุ้นเคยกับพื้นที่และเป็นตัวกลางในการประสานความร่วมมือและผลประโยชน์ภายใต้ความสัมพันธ์เชิงอำนาจระหว่างผู้บริหารกระทรวงวัฒนธรรมซึ่งเป็นผู้กำหนดนโยบาย ตลอดจนนโยบายของพื้นที่จังหวัด กับชุมชนเครือข่ายที่เป็นกลุ่มเป้าหมายของนโยบาย ผ่านการใช้ดุลยพินิจและการประนีประนอมซึ่งเป็นสิ่งที่สำคัญอย่างมากต่อเจ้าหน้าที่ผู้ปฏิบัติงาน อย่างไรก็ดีการใช้ดุลยพินิจของเจ้าหน้าที่ผู้ปฏิบัติงานอาจก่อให้เกิดทางแพร่งที่นำไปสู่การนำกลุ่มเป้าหมายที่มีศักยภาพ (หัวกะทิ) การปรับแต่งข้อมูลรายงานผล ตลอดจนความขัดแย้งต่อค่านิยมและจริยธรรมของทางราชการ
Diversity Of Blood-Sucking Insects And Vector-Borne Diseases In Pig Farms In Thailand, Kritsada Thongmeesee
Diversity Of Blood-Sucking Insects And Vector-Borne Diseases In Pig Farms In Thailand, Kritsada Thongmeesee
Chulalongkorn University Theses and Dissertations (Chula ETD)
Vector-borne diseases (VBDs) have been recognized as important diseases in humans and animals across the globe. Blood-sucking insects, such as mosquitoes, tabanid flies, and stable flies may carry pathogens, transmit, and cause VBDs in hosts, including pigs. In Thailand, most of the pig farms have backyard system implying that pigs could be easily exposed to blood-sucking insects and lead to infection with vector-borne pathogens (hemoplasmas, Japanese encephalitis virus (JEV), and Trypanosoma (T.) evansi). However, the information about vector-borne pathogens in pigs in Thailand needs to be updated. The objectives of this dissertation were to study the occurrence and genetic diversity …
The Impacts Of The 2014 Coup On Thailand's Relations With The People's Republic Of China And The United States Of America, Xue Yang
Chulalongkorn University Theses and Dissertations (Chula ETD)
Thailand's foreign policy in the international stage has often been compared to bamboo that bends with the wind. The contrasting reactions from China and the United States to Thailand's 2014 military coup have shaped the new orientation of Thailand's international relations. China has traditionally pursued a foreign policy of non-interference in the internal affairs of other countries, gaining favor with the military government led by General Prayuth. The U.S. government, led by President Obama, issued strong outright condemnation and military sanctions against the 2014 coup. In response to the U.S. criticism of the coup and China's non-interference policy, Thailand under …
Innovative Design Process For Iot-Enabled Home Use Medical Device, Apiwat Thongprasert
Innovative Design Process For Iot-Enabled Home Use Medical Device, Apiwat Thongprasert
Chulalongkorn University Theses and Dissertations (Chula ETD)
The transformative journey of healthcare is now shifting from hospital-based corrective care to the empowering realm of home-based preventive care. With the integration of Internet of Things (IoT) technology, the integration transforms medical devices into powerful tools with enhanced functionality, remote connectivity, and sensing capabilities. However, their true potential lies in their ability to adapt to users' lifestyles, highlighting the importance of emotional experience in daily routines. Thus, the success of these devices hinges on understanding factors related to users' perception and acceptance. However, startups and novice developers in the medical device sector face challenges in exploring these factors due …
การศึกษากระบวนการฝึกฝนการใช้จินตนาการเพื่อสร้างตัวละคร เอ็มม่า ในละครเพลงเรื่อง เทล มี ออน อะ ซันเดย์ โดย แอนดรูว์ ลอยด์ เวบเบอร์ และดอน แบล็ค ในปีค.ศ. 1979, ชนิสรา ศรแผลง
Chulalongkorn University Theses and Dissertations (Chula ETD)
งานวิจัยนี้มีวัตถุประสงค์เพื่อศึกษาและสังเคราะห์กระบวนการฝึกฝนการใช้จินตนาการในการแสดงที่จะสามารถนำไปพัฒนาและสร้างตัวละคร เอ็มม่า ในละครเพลงเรื่อง เทล มี ออน อะ ซันเดย์ (Tell Me on a Sunday) อีกทั้งเพื่อฝึกฝนและพัฒนาทักษะการร้องเพลงเพื่อนำเสนอตัวละคร เอ็มม่า ผ่านบทละครเพลงดังกล่าว โดยผู้วิจัยได้ศึกษาทฤษฎีการแสดง และฝึกซ้อมการแสดงควบคู่กับการฝึกฝนแบบฝึกหัดทางด้านการแสดงเพื่อนำไปพัฒนาและสร้างตัวละคร เอ็มม่า ซึ่งความท้าทายของละครเพลงข้างต้นคือ จะมีเพียง 1 ตัวละคร ที่นำเสนอเรื่องราวบนเวที โดยมีการพูดคุยกับตัวละครอื่นที่ไม่ปรากฏบนเวที ดังนั้นนักแสดงจึงต้องใช้จินตนาการในการแสดงอย่างมากเพื่อทำให้ผู้ชมเกิดความรู้สึกร่วม และเข้าใจว่ากำลังเกิดอะไรขึ้น วิธีการหลักที่ถูกใช้ในการพัฒนาและสร้างตัวละครในงานวิจัยนี้คือมนต์สมมติ (Magic If) โดยคอนสแตนติน สตานิสลาฟสกี (Constantin Stanislavski) ควบคู่ไปกับทฤษฎีการแสดงเกี่ยวกับการใช้จินตนาการ (Imagination) ของ สเตลลา แอดเลอร์ (Stella Adler) ผู้วิจัยได้เก็บรวบรวมข้อมูลโดยการจดบันทึก การบันทึกวิดีโอการฝึกซ้อมและการแสดง ซึ่งมีการประเมินผลหลังจากนำเสนอผลงานการแสดงแล้วโดยการเก็บรวบรวมแบบสอบถามจากผู้ชมทั้งหมด 50 ชุด การประเมินการแสดงจากอาจารย์ที่ปรึกษาในรอบก่อนการแสดงจริง และมีการวิเคราะห์จากการพูดคุยจากการเสวนากับผู้ทรงคุณวุฒิหลังจบการแสดง กระบวนที่สังเคราะห์ได้คือการฝึกฝนตามลำดับดังนี้ Magic If, Given Circumstances, Super Objective และการใช้แบบฝึกหัดเข้ามาช่วยพัฒนาระหว่างการฝึกซ้อม ซึ่งผลจากการฝึกฝนตามกระบวนการที่ได้มาทำให้ผู้วิจัยสามารถทำให้ผู้ชมเชื่อในสถานการณ์ของตัวละครได้ ผู้ชมเกิดความรู้สึกร่วมไปกับเหตุการณ์ที่ตัวละครกำลังประสบอยู่ และเห็นพัฒนาการของการเปลี่ยนแปลงของตัวละครเอ็มม่า ในส่วนของผลของการฝึกฝนการร้องเพลงคือผู้วิจัยเกิดความมั่นใจในการร้องเพลงเพื่อที่จะสื่อสารเรื่องราวของตัวละครสู่ผู้ชมมากขึ้น และผู้วิจัยไม่เกิดความกังวลขณะที่กำลังแสดงอยู่เนื่องจากการฝึกฝนอย่างสม่ำเสมอก่อนการแสดงจริง
A Study Of The Impact Of Different Demographic Characteristics On Purchasing Factors Of Thai Weaving Products, Shuwen Yu
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study explores the impact of different demographic characteristics on the purchasing factors of Thai weaving products. Through a quantitative survey of consumers, this study identifies the key factors that influence their purchasing decisions, including quality, cultural connotation, service, price, comfort level, maintenance, product variety, design, color, sales location, brand, and recommendations. The analysis reveals significant differences in the importance ratings of these factors based on age, gender, and monthly income level. The findings indicate that female consumers value comfort, design, and color more, while younger consumers emphasize price, design and variety more. In contrast, older consumers value quality, comfort …
The Relationship Between The Expression Of Stromal Cell Derived Factor-1 (Sdf-1) And Regional Acceleratory Phenomenon (Rap) In Orthodontic Tooth Movement After Tooth Extraction In Rats Model, Duangtawan Rintanalert
The Relationship Between The Expression Of Stromal Cell Derived Factor-1 (Sdf-1) And Regional Acceleratory Phenomenon (Rap) In Orthodontic Tooth Movement After Tooth Extraction In Rats Model, Duangtawan Rintanalert
Chulalongkorn University Theses and Dissertations (Chula ETD)
The stromal cell-derived factor 1 (SDF-1)/chemokine receptor type 4 (CXCR4) axis plays a key role in alveolar bone metabolism during orthodontic tooth movement (OTM). Herein, the effects of the SDF-1/CXCR4 axis on the regional acceleratory phenomenon (RAP) in OTM velocity and on changes in the surrounding periodontium after adjacent tooth extraction in rats were investigated. Six-week-old male Wistar/ST rats underwent left maxillary first molar (M1) extraction and mesial OTM of the left maxillary second molar (M2) with a 10-g force closed-coil spring. Phosphate-buffered saline, immunoglobulin G (IgG) isotype control antibody, or anti-SDF-1 neutralizing monoclonal antibody were injected at the M1 …
Effects Of ⍺-Lactalbumin Hydrolysate On Human Oral Squamous Cell Carcinoma Cell Lines, Agustina Putri Kintan Arini
Effects Of ⍺-Lactalbumin Hydrolysate On Human Oral Squamous Cell Carcinoma Cell Lines, Agustina Putri Kintan Arini
Chulalongkorn University Theses and Dissertations (Chula ETD)
Background : Alpha-lactalbumin, the protein from human and bovine milk has been found to be promising as an alternative of anticancer agent Objective: To investigate the effects of lactalbumin enzymatic hydrolysate (LAH) on cell proliferation, migration, and mRNA expression of MMP on human squamous cell carcinoma (hSCC) cell lines, in vitro. Materials and Methods: Tongue (HSC-4 and 7) and pharyngeal (HN-30 and 31) hSCC cell lines were treated with a two-fold dilution of LAH (0.39-100 mg/ml). Cell viability and cell proliferation were examined by MTT assay. Cell migration was investigated by a scratch wound healing assay. Gene expression of metastasis-associated …
Right Of Association For Platform Workers In Thailand (A Case Study Of Food Delivery Platform Workers), Kanut Thamromdee
Right Of Association For Platform Workers In Thailand (A Case Study Of Food Delivery Platform Workers), Kanut Thamromdee
Chulalongkorn University Theses and Dissertations (Chula ETD)
Platform work has become the prominent form of employment in the last decade due to its unique features which are seemingly beneficial to workers, whether it is flexibility, autonomy, diverse job opportunities or ease of entry resulting in many people choosing to be platform workers working with platform providers on platforms. During the last decade, platform work has rapidly grown thanks to the advanced technology and innovative business models; however, it seems that Thai labour law focusing on traditional employment has not been adequately developed to catch up the growth of platform work in Thailand. Platform providers have classified platform …
Α-Glucosidase Inhibitors From Rhynchostylis Retusa, Winartiana -
Α-Glucosidase Inhibitors From Rhynchostylis Retusa, Winartiana -
Chulalongkorn University Theses and Dissertations (Chula ETD)
α-Glucosidase inhibitors are a group of anti-diabetic drugs that can help control blood sugar levels by hindering the breakdown of oligosaccharides and disaccharides into monosaccharides such as glucose, thus preventing intestinal absorption. Recent studies have shown that several plants in the Orchidaceae family produce secondary metabolites with α-glucosidase inhibitory activity. Rhynchostylis retusa, an orchid traditionally used for treating various diseases such as asthma, diabetes, and obesity, was investigated. The methanol extract of R. retusa showed significant inhibitory activity against the enzyme α-glucosidase, with 85.71% inhibition at a concentration of 100 µg/ml. The objective of this study was to isolate and …
Batch And Fixed-Bed Adsorption Of Ciprofloxacin Using Magnetic Biochar From Macadamia Nutshell, Sakonsupa Damdib
Batch And Fixed-Bed Adsorption Of Ciprofloxacin Using Magnetic Biochar From Macadamia Nutshell, Sakonsupa Damdib
Chulalongkorn University Theses and Dissertations (Chula ETD)
In this research, the utilization of macadamia nutshell as a potential adsorbent for ciprofloxacin (CIP) removal was investigated. The distinctive features of macadamia nutshell, characterized by its lignocellulosic composition and hardness, make it suitable as a precursor for synthesizing magnetic biochar, aimed at CIP adsorption in both batch and fixed-bed column processes. The influence of temperature activation and carbonization temperature on the properties of the resulting biochar was examined. Macadamia nutshell impregnated with a 0.10 M iron nitrate solution and carbonized under a nitrogen atmosphere at 800°C (MB-BI-800) exhibited the highest micropore and mesopore volumes, with values of 0.14 and …
Factors Associated With Human Papillomavirus (Hpv) Vaccine Uptake Among Female Adults In Mudan District, Heze, Shandong, China: A Cross-Sectional Study, Cong Liu
Chulalongkorn University Theses and Dissertations (Chula ETD)
Introduction: Cervical cancer ranks second globally in cancer-related deaths among women. There is evidence linking the incidence and risk of cervical cancer to the prevalence of human papillomavirus (HPV). HPV vaccination has the potential to prevent more than 90% of HPV-attributable cancers. However, the HPV vaccination rate in China is still low. Therefore, factors associated with HPV vaccination are required among those who never received the vaccine. Objective: China has implemented programs to promote HPV vaccination; however, the HPV infection rate is still very high in Shandong Province, especially Heze City, and there is no study on the vaccination factors …
Characteristics And Metagenomic Profiles Of Antimicrobial Resistance In Bacterial Community From Airborne Dust In Pig Farm, Si Thu Hein
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study was to explore bacterial communities and antimicrobial resistance in airborne dust from pig farms. Airborne dust, pig feces, and feed were collected from nine pig farms (n=9) in Thailand, including Nakhon Sawan, Chainat, Supan Buri, Lopburi, and Saraburi, during the rainy season from May to October 2022. The farms were selected based on the owners' willingness to participate in the study and the availability of veterinarians or animal health practitioners. Airborne dust samples were collected at three different locations of the selected pig house, including upwind and downwind (25 m from pig house), and inside (at the center …