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Preparation And Stabilization Of X-Ray Amorphous Solid State Structure Of Salbutamol Sulfate Adsorbed On Mesoporous Silica, Treeruk Prasertsri
Preparation And Stabilization Of X-Ray Amorphous Solid State Structure Of Salbutamol Sulfate Adsorbed On Mesoporous Silica, Treeruk Prasertsri
Chulalongkorn University Theses and Dissertations (Chula ETD)
The main objective of this study was to focus on the preparation of X-ray amorphous salbutamol sulfate (SS) with mesoporous silica (S244 silica) carrier by using incipient wetness impregnation approach and further investigated on the utilization of poly (vinylpyrrolidone) (PVP) K12 for the stabilization of amorphous produced. Initially, SS was prepared in solution state and later loaded on S244 silica. The output product showed the non-ordered arrangement of SS with the longer interconversion time to crystalline when comparing with ground amorphous SS. It should be explained that SS was located on the silica surface randomly with no molecular packing according …
Treading Water: An Ethnography Of The Plight And Capabilities Of Afghan Refugees In Indonesia, Jennifer Kay Moberg
Treading Water: An Ethnography Of The Plight And Capabilities Of Afghan Refugees In Indonesia, Jennifer Kay Moberg
Chulalongkorn University Theses and Dissertations (Chula ETD)
ACCORDING TO THE 2016 UNHCR STATISTICS, THERE ARE OVER 14,000 REFUGEES TRAPPED IN INDEFINITE TRANSIT IN INDONESIA, WITH FAINT HOPE OF EVER BEING RESETTLED TO ANY THIRD COUNTRY. THE WEST JAVA TOWN OF CISARUA ALONE HOSTS NEARLY 5,000 REFUGEES FROM THE ETHNIC HAZARA MINORITY GROUP FROM AFGHANISTAN. IN THEIR INTRACTABLE LIMBO, A GROUP OF THESE HAZARAS HAVE SET UP A NUMBER OF REFUGEE RUN LEARNING CENTRES AND COMMUNITY INITIATIVES, CREATING FOR THEMSELVES MEANING AND PURPOSE DURING THEIR UNBOUNDED TRANSIT. THIS TOWN AND POPULATION REPRESENT A UNIQUE CASE STUDY IN REFUGEE RESILIENCE, TRANSFORMATION, AND EMPOWERMENT IN LIGHT OF A DEEPENING GLOBAL …
Sisters, Boyfriends, And The Big City: Trans Entertainers And Sex Workers In Globalized Thailand, Leo Bernardo Escalante Villar
Sisters, Boyfriends, And The Big City: Trans Entertainers And Sex Workers In Globalized Thailand, Leo Bernardo Escalante Villar
Chulalongkorn University Theses and Dissertations (Chula ETD)
As transgender issues penetrate mainstream human rights dialogue, most of the current understanding and research on this marginalized group revolve around the perspective of HIV/AIDS prevention and awareness. To add to the growing academic discourse on transgender women in the world of work, this research looks into the lives of transgender women sex workers and entertainers in the major cities of Bangkok and Pattaya in Thailand. The research uses a qualitative approach consisting of content analysis of relevant Thai policies and semi-structured interviews with 8 transgender women, a transgender-focused local NGO, and the management team of a prominent transgender cabaret …
Singaporean Malays' Perspectives Of Income Inequality And Its Impact On Their Opportunities In SingaporeS Education System, Ngak Leng Tan
Singaporean Malays' Perspectives Of Income Inequality And Its Impact On Their Opportunities In SingaporeS Education System, Ngak Leng Tan
Chulalongkorn University Theses and Dissertations (Chula ETD)
Studies on the profile of income inequality revealed that Singaporean Malays continuously occupied the lowest income strata and fared relatively poorer in their academic performance compared to other races. In a highly competitive meritocratic education system that rewards relative merit, yet neglects how unequal backgrounds provided unfair starting points for some, such low-income Malay households may appear to be systemically disadvantaged by income inequality and their access to better education. Under these circumstances, income inequality is further perpetuated. Through the use of focus group discussions and in-depth interviews, my proposed research will seek to understand how Singaporean Malays perceive such …
Development And Dynamics Of The Informal Workers In Thailand: A Case Study Of Informal Workers Network, Tanachot Assawarotjanamitre
Development And Dynamics Of The Informal Workers In Thailand: A Case Study Of Informal Workers Network, Tanachot Assawarotjanamitre
Chulalongkorn University Theses and Dissertations (Chula ETD)
This thesis aims to analyze the informal worker movement that is associated with a labor NGO named HomeNet Thailand, which helped mobilize informal workers and strengthen their skills and knowledge. The core analysis of thesis follows Resource Mobilization Theory and Political Process Theory to analyze the informal workers' developments, conditions, and limitations. This thesis explores the Informal workers' situation during Yingluck Shinawatra's civilian government (2011-2014) and Prayut Chan-o-cha's miliatry government (2014-Present). The thesis consists of 5 parts. Firstly, an introduction elaborates the research methodology of Archival Research and Interview methods. Secondly, a literature review and theoretical framework show the limitations …
Adaptation Of South Korean Leading Music Companies' Marketing Strategy In Globalization Case Study In Thai Market, Anyarin Sereemanopat
Adaptation Of South Korean Leading Music Companies' Marketing Strategy In Globalization Case Study In Thai Market, Anyarin Sereemanopat
Chulalongkorn University Theses and Dissertations (Chula ETD)
Music industry in South Korea has developed the new marketing strategy focusing on the big market in China, Japan, and Thailand. To continue the success, G-L-G' K-Pop's Globalization Strategy is introduced as a new marketing strategy. From the past, K-POP has been well-known as a result of the co-operation between government and private sector in exporting the product of culture, especially K-POP music. The leading music company turns its focus to adjusting the Standardization Strategy, which is based on Korean members, to Localization Strategy, which is based on local members. The growing success of Super Junior M, f(x), EX-O M, …
Korean Wave And Korean Food Franchise Expansion In Bangkok Thailand, Chanika Siriwat
Korean Wave And Korean Food Franchise Expansion In Bangkok Thailand, Chanika Siriwat
Chulalongkorn University Theses and Dissertations (Chula ETD)
The objectives of this research were to investigate the relationship between Korean Wave and current Korean restaurant franchise business expansion in Bangkok and to investigate the factors affecting the decision of Thai customers who came to Korean franchise restaurants, such as general information, source of information, cost of meal, and motivation to have Korean food. This research aims to study the expansion and development of the Korean restaurant business in the case of changing popularity of Korea popular culture in the future from the perspective of Korean restaurant owners. The sample of research is customers who came to consume the …
Comparative Studies Of South Korea's And Japan's Nation Branding, Piyarat Wienrawee
Comparative Studies Of South Korea's And Japan's Nation Branding, Piyarat Wienrawee
Chulalongkorn University Theses and Dissertations (Chula ETD)
This thesis provides a comparative examination of nation branding strategies used by Japan and South Korea. Nation branding is a concept derived from consumer product branding, referring to the development of a nation-brand identity to improve a nation's reputation and image for global audiences. It has its origins in concepts such as public diplomacy, but reaches beyond these origins to incorporate a multidisciplinary and multifaceted set of commercial, cultural, artistic, and scientific images. Japan was an early leader in nation branding, building on image and reputation enhancement activities. South Korea followed the example of Japan with the establishment of the …
Implementing "The Asean Regional Guidelines On Competition Policy" In Thailand, Indonesia, Singapore And Vietnam: Challenges And Opportunities, Sathita Wimonkunarak
Implementing "The Asean Regional Guidelines On Competition Policy" In Thailand, Indonesia, Singapore And Vietnam: Challenges And Opportunities, Sathita Wimonkunarak
Chulalongkorn University Theses and Dissertations (Chula ETD)
The ASEAN Regional Guidelines on Competition Policy was created to be a common framework for competition policy, which includes competition law and its enforcement for all ASEAN Member States. Implementing the ASEAN Regional Guidelines on Competition Policy is an important tool for achieving the goals of the ASEAN economic integration by level playing field for all market participants to create fair competition environment, which help turning ASEAN into highly competitive economic region and facilitate trade liberalization in ASEAN.These are considered the ultimate opportunities in implementing the Guidelines among ASEAN Member States. However, this study found that Guidelines cannot fully function …
Synthesis And Properties Of Acrylonitrile-Butadiene-Styrene Copolymer Containing Silica Nanoparticles, Charungkit Chaikaew
Synthesis And Properties Of Acrylonitrile-Butadiene-Styrene Copolymer Containing Silica Nanoparticles, Charungkit Chaikaew
Chulalongkorn University Theses and Dissertations (Chula ETD)
The aim of this research is to develope acrylonitrile butadiene styrene composite reinforced with hydrophobic silica nanoparticles. In this study, in-situ synthesis of ABS rubber particles containing hydrophobic silica nanoparticles (HDTMS-silica) was carried out. Firstly, three of HDTMS-silicas (HDTMS-silica1, HDTMS-silica2, and HDTMS-silica3) were prepared by silanization of SiO2 nanoparticle with hexadecyltrimethoxysilane (HDTMS : SiO2 wt ratios of 1 : 1, 2 : 1, and 3 : 1) in an emulsion system. Then, HDTMS-silica/styrene and acrylonitrile mixture was fed into a polybutadiene latex reactor. Following that, graft copolymerization was carried out using persulfate initiator at temperature of 65 oC for 3.5 …
Measurement Of Eye Lens Dose In Interventional Radiologist From Tace Procedures Using Osld, Mananchaya Vimolnoch
Measurement Of Eye Lens Dose In Interventional Radiologist From Tace Procedures Using Osld, Mananchaya Vimolnoch
Chulalongkorn University Theses and Dissertations (Chula ETD)
For routine clinical service at Section of Interventional Radiology, Department of Radiology, King Chulalongkorn Memorial Hospital (KCMH), TACE procedure has been one of the high exposure procedures, which result in increasing eye lens dose in interventional radiologists. Thus, radiation dose should be evaluated in interventional radiology staff who may receive high eye lens dose. Currently, there is insufficient information to comply with the ICRP dose limit on the occupation exposure to the eye lens. One of the factors affecting the eye lens dose is the variation in tube directions in the interventional radiology (IR) laboratories. A preliminary study about tube …
Ct Number And Electron Density Relationship For Photon Dose Calculation In Head And Neck, Chest, Spine And Pelvic Regions, Siriporn Wong
Ct Number And Electron Density Relationship For Photon Dose Calculation In Head And Neck, Chest, Spine And Pelvic Regions, Siriporn Wong
Chulalongkorn University Theses and Dissertations (Chula ETD)
CT images supply the HU information that relates to electron density (ρe). The ρe is important for tissue inhomogeneity correction for accurate dose calculation. The purpose of this study was to evaluate the dosimetric effect on CT images on different kVp setting using single HU-ρe curve. Anthropomorphic phantom was scanned using Siemens-SOMATOM Definition AS with 120 kVp setting and used as a reference image set. The procedures were repeated with DECT option (80/140 kVp), 80 and 140 kVp. The 120 kVp HU-ρe relationship curve from Gammex 467 tissue characterization phantom was created and applied into Eclipse treatment planning system. The …
Radiation Dose And Image Quality In Chest Region Using Single- And Dual-Energy Ct: Phantom Study, Taninchai Jutawiriya
Radiation Dose And Image Quality In Chest Region Using Single- And Dual-Energy Ct: Phantom Study, Taninchai Jutawiriya
Chulalongkorn University Theses and Dissertations (Chula ETD)
Chest CT examinations are routinely performed by using single energy protocol (SE). As CT had been evolved by using dual energy protocol (DE), the patients with underlying lung nodules or pulmonary nodules will be followed up by CT examination several times. The purpose of this study is to study the radiation dose and image quality between single-energy CT (SECT) and dual-energy CT (DECT) protocols in chest phantom at King Chulalongkorn Memorial Hospital. The Lungman Kyoto Kagaku phantom inserted by five simulated lesions of various diameters was scanned by dual-source CT system (Somatom Force, Siemens Healthineers). The acquisition protocols consist of …
Involvement Of Notch Signaling In Interleukin-4-Stimulated Human Macrophages, Naunpun Sangphech
Involvement Of Notch Signaling In Interleukin-4-Stimulated Human Macrophages, Naunpun Sangphech
Chulalongkorn University Theses and Dissertations (Chula ETD)
Macrophages respond to various stimuli, resulting in distinct effector phenotypes that range from LPS-stimulated proinflammatory to IL-4-activated pro-healing phenotype. The regulatory mechanism of this polarization is not fully understood. Notch signaling pathway is a conserved signaling pathway involved in polarization of macrophages, especially proinflammatory macrophages. However, the role of Notch signaling in IL-4 stimulated macrophages (M(IL-4)) is not well defined. PPARgamma is a signature nuclear receptor in M(IL-4) that function mainly in regulating lipid metabolism. There are many reports that revealed the interaction of Notch signaling and PPARgamma in various cells but not in macrophages. In this study, the interaction …
Development Of Gold Nanoparticle-Based Lateral Flow Immunoassay For Detection Of Pathogenic Leptospiral Antigen, Prayoon Lae-Ngee
Development Of Gold Nanoparticle-Based Lateral Flow Immunoassay For Detection Of Pathogenic Leptospiral Antigen, Prayoon Lae-Ngee
Chulalongkorn University Theses and Dissertations (Chula ETD)
Leptospirosis, caused by pathogenic Leptospira spp., is a global re-emerging zoonosis and endemic disease in tropical and sub-tropical countries including Thailand. Point-of-care testing (POCT) for rapid diagnosis of leptospirosis is needed for prompt and appropriate treatment particularly in resource-poor settings. Lateral flow immunoassay (LFA)-based POCT devices are rapid, user friendly, cheap, have one-step analysis, and need no sophisticated equipment. LipL32 is a common target for diagnostic tests of leptospirosis because it is the major outer membrane protein (OMP) that is specific and highly conserved among pathogenic Leptospira. This study aimed to develop the gold nanoparticle (AuNP)-based LFA for detection of …
Characterization Of Antimicrobial-Resistant Nontyphoidal Salmonella Isolated From Humans And Food Animals In Thailand 172252256, Sirirat Luk-In
Characterization Of Antimicrobial-Resistant Nontyphoidal Salmonella Isolated From Humans And Food Animals In Thailand 172252256, Sirirat Luk-In
Chulalongkorn University Theses and Dissertations (Chula ETD)
The emergence and increase of resistance to antimicrobial agents, especially to extended-spectrum cephalosporins (ESCs) and fluoroquinolones in nontyphoidal Salmonella have recently become a serious therapeutic problem. The objectives of this study were to characterize antimicrobial resistance mechanisms, the clonality, and plasmid profiles among nontyphoidal Salmonella isolates from human and food animals in Thailand. A total of 897 nontyphoidal Salmonella isolates, 617 isolates from human and 280 isolates from food animal in Thailand during 2005 to 2007 and 2012 to 2016 were included in this study. The significantly higher resistance rates were found in S. Choleraesuis compared with other serotypes to …
Antimicrobial Effect Of High Dose Ascorbate In Mouse Model With Bacterial Infection, Chulamartd Wirapakorn
Antimicrobial Effect Of High Dose Ascorbate In Mouse Model With Bacterial Infection, Chulamartd Wirapakorn
Chulalongkorn University Theses and Dissertations (Chula ETD)
Ascorbate or Vitamin C is a vitamin that is important to the body. It contributes to the immunity, involves the collagen formation, acts as an antioxidant and has the ability to destroy cancer cells and bacteria. These abilities depend on the concentration of ascorbate. Bactericidal properties of ascorbate were interesting, especially in the high concentrations. Staphylococcus aureus, Pseudomonas aeruginosa, Acinetobacter baumannii, and Escherichia coli are a common etiologies of nosocomial infection in Thailand and worldwide. These bacteria have developed mechanisms of antibiotics resistance and cause more violence in the disease. Hence, the time-killing assay was used to explore the bactericidal …
Immune Response In Pythiosis Patients Treated With Pythium Insidiosum Antigen (Pia), Navaporn Worasilchai
Immune Response In Pythiosis Patients Treated With Pythium Insidiosum Antigen (Pia), Navaporn Worasilchai
Chulalongkorn University Theses and Dissertations (Chula ETD)
Immunotherapy using Pythium insidiosum antigen (PIA) is one of the combination treatment for P. insidiosum infected patients along with amputation and certain antifungal agents. The protocol of first prime (day0) after diagnosis and six booster doses (at 0.5, 1, 1.5, 3, 6, 12 months; mo.) along a year period were performed based on previous study. The switching of T-helper2 (Th2) to Th1 after immunotherapy along with the clinical improvement in equine and rabbit models were revealed whereas studies in human are very limited. To investigate the immune response in PIA treated pythiosis patients, cytokine profile (CMI response), P. insidiosum specific …
Induction Of Interleukin-1 Receptor Antagonist (Il-1ra) By Porcine Reproductive And Respiratory Syndrome Virus (Prrsv), Teerawut Nedumpun
Induction Of Interleukin-1 Receptor Antagonist (Il-1ra) By Porcine Reproductive And Respiratory Syndrome Virus (Prrsv), Teerawut Nedumpun
Chulalongkorn University Theses and Dissertations (Chula ETD)
Porcine respiratory and reproductive syndrome virus (PRRSV) is one of the major pathogens affecting pig production industry worldwide. Impaired innate and adaptive immune responses are evidenced through the course of PRRSV infection. Several evidences indicate that PRRSV suppresses host immune responses via several immune evasion strategies. Interleukin-1 receptor antagonist (IL-1Ra) is known as an early inhibitory cytokine that suppresses innate immune functions and T lymphocyte responses. The aims of this study were to explore the induction of IL-1Ra by PRRSV and the negative immunomodulatory effects of PRRSV-induced IL-1Ra on porcine immune responses. In this study, the previous monocytes-derived dendritic cells …
Lipoic Acid-Incorporated Calcium Carbonate Nanoparticlesfor Controlling Of Adipose Derived Stem Cells (Adscs) Differentiation And Adipocyte Function, Sarocha Cherdchom
Lipoic Acid-Incorporated Calcium Carbonate Nanoparticlesfor Controlling Of Adipose Derived Stem Cells (Adscs) Differentiation And Adipocyte Function, Sarocha Cherdchom
Chulalongkorn University Theses and Dissertations (Chula ETD)
CaCO3 NPs has received a growing interest due to its potential properties as a safe drug carrier. The LA-CaCO3 NPs were synthesized by a chemical precipitation method and characterized using transmission electron microscopy, thermogravimetric analysis, and zeta potential measurement. We used LA-CaCO3 NPs to evaluate their therapeutic effects in lipid accumulation, lipolysis, adipogenesis, and adipokines expression in ADSCs and differentiated adipocytes. The average particle sizes were observed to be 10-20 nanometers. Thermogravimetric analysis results confirmed the percentages of LA in CaCO3 NPs. The zeta potential showed a negative charge -30.9 mV. Our findings indicated that LA-CaCO3 NPs were apparently more …
Effects Of Genistein On Non-Alcoholic Steatohepatitis (Nash) Induced By High-Fat High-Fructose Diet In Bilateral Ovariectomized Rats, Sudaporn Pummoung
Effects Of Genistein On Non-Alcoholic Steatohepatitis (Nash) Induced By High-Fat High-Fructose Diet In Bilateral Ovariectomized Rats, Sudaporn Pummoung
Chulalongkorn University Theses and Dissertations (Chula ETD)
To investigate the effects of genistein on estrogen deficiency with high-fat high-fructose (HFHF) diet-induced NASH rats. Female Sprague-Dawley rats (n=48) were randomly divided into ovariectomized (OVX) and non-ovariectomized (non-OVX) group. Both rat groups, further allocated into 3 subgroups; controls, rats fed with HFHF diet (NASH), and rats fed with HFHF diet plus daily 16 mg/kg BW of genistein (NASH+Gen) for 8 weeks. Serum samples were collected for liver enzymes (AST and ALT) and TNF-α level analysis. Liver tissue samples were harvested for histopathology, hepatic lipid accumulation (oil red o stained, FFA and TG level), hepatic lipid peroxidation (MDA level), hepatic …
Evaluation Of Lipid Accumulation And Lipolysis Activity In Human Subcutaneous Adipocytes And Human Visceral Adipocytes By Α-Lipoic Acid, Α-Lipoic Acid-Incorporated Caco3 Nanoparticles And Caffeine., Sunisa Kaewdang
Chulalongkorn University Theses and Dissertations (Chula ETD)
Recently, much attention has been paid to natural plant-derived compounds as an alternative strategy for developing anti-obesity agents with minimal detrimental effects. Among various natural compounds, caffeine (1, 3, 7-trimethyl xanthine) and alpha lipoic acid (1, 2-dithiolane-3-pentanoic acid; LA) are the natural agents which show a promising result in decreasing fat deposit. Moreover, we have improved efficiencies of LA by CaCO3 NPs because LA had low bioavailability. In the present study, we investigated the effect of combination between caffeine and LA-CaCO3 NPs in lipid accumulation reduction and lipolysis stimulation in human subcutaneous adipocytes and human visceral adipocytes. Our results showed …
Effects Of Curcumin On Oxidative Stress, Inflammation And Apoptosis In L-Arginine Induced Acute Pancreatitis In Mice, Thidarat Chingchit
Effects Of Curcumin On Oxidative Stress, Inflammation And Apoptosis In L-Arginine Induced Acute Pancreatitis In Mice, Thidarat Chingchit
Chulalongkorn University Theses and Dissertations (Chula ETD)
L-arginine (L-arg) is an amino acid that has been used to induce acute pancreatitis (AP) in mice. Curcumin is an active ingredient constituent of rhizomes of the plant Curcuma longa Linn. It has been used for the treatment of inflammatory conditions and shown to exhibit a variety of biological activities such as anti-inflammatory and anti-oxidant. The present study aims to examine the effects of curcumin on oxidative stress, inflammation and apoptosis in AP. Male ICR mice were randomly divided into 4 groups. 1) Control group, mice will be received i.p. of 1% DMSO as a vehicle. 2) AP group, mice …
Effect Of Calcium Citrate In Calcium Carbonate Nanoparticles On Hk-2 Cells In Acidic Environment, Tipagorn Udomsinsirikul
Effect Of Calcium Citrate In Calcium Carbonate Nanoparticles On Hk-2 Cells In Acidic Environment, Tipagorn Udomsinsirikul
Chulalongkorn University Theses and Dissertations (Chula ETD)
Metabolic acidosis exerts several cellular and tissue dysfunctions, such as increases mineral bone and protein degradation, induces inflammation, oxidative stress and cell death. These complications lead to multiple organ failure, including chronic kidney disease. Sodium bicarbonate and Shohl's solution are commonly used to treat metabolic acidosis. However, these agents cause frequent gastrointestinal adverse effects. Hence, we invented the new calcium carbonate nanoparticles to use as a drug delivery system for carrying citrate to renal cell which we hypothesize to reduce adverse effects of metabolic acidosis. We studied the physical characteristics and pharmacological effects of calcium citrate nanoparticle (Cacit) and calcium …
Carotenoids And Metabolism Of The Green Microalga Chlorococcum Sp. 8367re Under Stress Conditions, Kantima Janchot
Carotenoids And Metabolism Of The Green Microalga Chlorococcum Sp. 8367re Under Stress Conditions, Kantima Janchot
Chulalongkorn University Theses and Dissertations (Chula ETD)
Green microalgae are one of the natural resources for productions of various and beneficial bioactive compounds, such as UV-screening compounds and carotenoids. This study focuses on the changes of carotenoids and metabolisms in the green microalga Chlorococcum sp. 8367RE under stress conditions. The results showed that stresses by salt, light, drought, and nitrogen starvation affected on alterations of morphological characteristics. Interestingly, size of cells culturing under salt stresses dramatically increased. It should be noted that KCl stress caused the enlargement of cell sizes approximately 5 folds. Carotenoids were identified and quantified by using ultra-high performance liquid chromatography (UHPLC) and mass …
Functional Characterization Of Natural Sunscreen Compound Mycosporine-2-Glycine From Extremophilic Cyanobacterium Halothece Sp. Pcc 7418 In Macrophage Cell Line And Fresh Water Cyanobacterium, Supamate Tarasuntisuk
Functional Characterization Of Natural Sunscreen Compound Mycosporine-2-Glycine From Extremophilic Cyanobacterium Halothece Sp. Pcc 7418 In Macrophage Cell Line And Fresh Water Cyanobacterium, Supamate Tarasuntisuk
Chulalongkorn University Theses and Dissertations (Chula ETD)
Mycosporine-2-glycine (M2G) is a rare UV-screening compound in a group of mycosporine-like amino acids (MAAs). This molecule is found in only two cyanobacteria; Euhalothece sp. LK-1 and Aphanothece halophytica (Halothece sp. PCC 7418). The structure of M2G composed of 4-deoxygadusol as a core structure, attached by 2 molecules of glycine at C1 and C3 positions. M2G has a maximal adsorption at 331 nm and a better antioxidative activity than other MAAs. Thus, it is interesting in determination of other activities for further cosmeceutical and pharmaceutical applications. In this study, a high purity M2G was successfully extracted and purified from Halothece …
The Effect Of Uncertainty Management Program On Quality Of Life Among Vietnamese Women With Post Mastectomy, Xuan Ha Thi Nhu
The Effect Of Uncertainty Management Program On Quality Of Life Among Vietnamese Women With Post Mastectomy, Xuan Ha Thi Nhu
Chulalongkorn University Theses and Dissertations (Chula ETD)
The aim of this study was to test the effect of the Uncertainty Management Program (UMP) on quality of life among Vietnamese women at 3-weeks post mastectomy. The quasi-experimental design with posttest only was conducted in 115 women with post mastectomy who were assigned in experimental group (n=57) and control group (n=58). The experimental group received the UMP and routine care while the control group received only routine care. Participants were assessed at 3-weeks post mastectomy using the modified Quality of Life Index Scale Vietnamese version with Cronbach's alpha coefficient of .81. It was found that at 3-weeks post-mastectomy, the …
Patient's Perception And Satisfaction On Dental Implant Therapy By Postgraduate Dental Students And Experienced Dentists, Pat Vipattanaporn
Patient's Perception And Satisfaction On Dental Implant Therapy By Postgraduate Dental Students And Experienced Dentists, Pat Vipattanaporn
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objective: To evaluate and compare patient's perception and satisfaction between patients who received dental treatment from postgraduate dental students and experienced dentists. Material and methods: This descriptive cross-sectional study was performed in patients who received the dental implant from Faculty of dentistry Chulalongkorn University. A data collection of patient's perception and satisfaction was done by questionnaire which was sent by mail. The questionnaire contained 23 statements including 7 statements of demographic data, 7 statements of perception, and 9 statements of satisfaction. The patient had to answer through the one-best-answer multiple choices and visual analog scale (VAS). Results: The 382 participants …
In Vitro Effect Of L-Ascorbic Acid On Gingival Fibroblast To Regulate Wound Healing., Tatcha Chaitrakoonthong
In Vitro Effect Of L-Ascorbic Acid On Gingival Fibroblast To Regulate Wound Healing., Tatcha Chaitrakoonthong
Chulalongkorn University Theses and Dissertations (Chula ETD)
Background and Objective: Besides closing the wound by intrinsic properties like migration and proliferation, gingival fibroblasts produce a major source of extracellular matrix especially collagen and play a major role in oral wound healing. Vitamin C or L-ascorbic acid has diverse functions in the body, including an essential role in hydroxylation reactions which is necessary for collagen formation. Whether L-ascorbic acid can promote gingival wound healing through inducing proliferation of fibroblasts is of our interest. The aim of this study is to evaluate the effect of L-ascorbic acid on gingival fibroblasts behaviors to promote wound healing in vitro. Materials and …
Comparative Study Of In Vivo Bone Regeneration Using Chitosan/Dicarboxylic Acid Scaffold Implanted With Human Periodontal Ligament Cells, Teerawat Sukpaita
Comparative Study Of In Vivo Bone Regeneration Using Chitosan/Dicarboxylic Acid Scaffold Implanted With Human Periodontal Ligament Cells, Teerawat Sukpaita
Chulalongkorn University Theses and Dissertations (Chula ETD)
After tooth loss, a consequent atrophy of the alveolar process always takes place and adversely affect the reconstruction process especially by dental implant. A novel chitosan/dicarboxylic acid scaffold (CS/DA scaffold) has been developed and proven to be an excellent candidate material in bone tissue engineering. This study aimed to evaluate the effects of a CS/DA scaffold with and without seeded primary human periodontal ligament cells (hPDLCs) in mouse calvarial defect model. Eighteen mice were divided into 3 groups of 6 each. Four-millimeter calvarial defects were created on both side of parietal bone and implanted with either CS/DA scaffold or CS/DA …