Open Access. Powered by Scholars. Published by Universities.®
- Discipline
-
- Medicine and Health Sciences (1690)
- Engineering (1183)
- Physical Sciences and Mathematics (1117)
- Social and Behavioral Sciences (951)
- Chemical Engineering (511)
-
- Arts and Humanities (469)
- Chemistry (431)
- Life Sciences (410)
- Business (353)
- Economics (336)
- Medical Sciences (335)
- Dentistry (299)
- Veterinary Medicine (280)
- Pharmacy and Pharmaceutical Sciences (274)
- Public Health (272)
- Finance and Financial Management (271)
- Computer Sciences (258)
- Education (241)
- Sociology (177)
- Civil and Environmental Engineering (175)
- Mathematics (158)
- Environmental Sciences (141)
- Law (141)
- Communication (134)
- Communication Technology and New Media (134)
- Mass Communication (134)
- Electrical and Computer Engineering (121)
- Operations Research, Systems Engineering and Industrial Engineering (116)
- English Language and Literature (113)
- Industrial Engineering (113)
Articles 1111 - 1140 of 6471
Full-Text Articles in Entire DC Network
Development Of Probiotic Fermented Beverage From Gac Fruit (Momordica Cochinchinensis) And Its Functional Properties On Gut Health, Marisa Marnpae
Development Of Probiotic Fermented Beverage From Gac Fruit (Momordica Cochinchinensis) And Its Functional Properties On Gut Health, Marisa Marnpae
Chulalongkorn University Theses and Dissertations (Chula ETD)
The study aimed to develop a probiotic beverage using gac fruit and assess its characteristics and functional properties related to gut health through probiotic lactic acid fermentation. Gac juice (GJ) at 5–10 g/100 g was fermented with Lactobacillus paracasei subsp. paracasei (L. CASEI 431®), and various aspects were explored, including probiotic viability, physicochemical properties, phytochemicals, antioxidant activity, functional properties, volatile flavor compounds, and sensory acceptability of fermented GJ (FGJ). The results indicated a decrease in pH and sugar content, alongside an increase in lactic acid, acetic acid, and probiotic viability, up to 108 CFU/mL, post-fermentation. Notably, FGJ, particularly at 10 …
Effects Of Mckenzie’S Neck Exercise On Pain, Craniovertebral Angle, Strength And Endurance Of Deep Neck Flexor Muscles, And Disability In Individuals With Chronic Neck Pain, Sawita Chaiyawijit
Effects Of Mckenzie’S Neck Exercise On Pain, Craniovertebral Angle, Strength And Endurance Of Deep Neck Flexor Muscles, And Disability In Individuals With Chronic Neck Pain, Sawita Chaiyawijit
Chulalongkorn University Theses and Dissertations (Chula ETD)
Purpose: To compare the effectiveness of McKenzie’s neck exercise and cranio-cervical flexion (CCF) exercise on strength and endurance of deep neck flexor (DNF) muscles, pain, disability, and craniovertebral angle (CVA) in individuals with chronic neck pain. Methods: Forty individuals with chronic neck pain were randomly allocated to the McKenzie’s neck or CCF exercise group. Each group performed exercises at home daily. The strength and endurance of DNF muscles were measured at baseline, immediately after the first exercise session, and each week follow-up for six weeks. Average pain over the past week was measured at baseline and each week follow-up for …
Probiotic Beverage From Different Cultivars Of Pomelo Juices (Citrus Grandis (L.) Osbeck) Fermented With Lactobacillus Spp., Vernabelle Balmori
Probiotic Beverage From Different Cultivars Of Pomelo Juices (Citrus Grandis (L.) Osbeck) Fermented With Lactobacillus Spp., Vernabelle Balmori
Chulalongkorn University Theses and Dissertations (Chula ETD)
Pomelo fruit contains prebiotic and bioactive components which makes it a promising substrate for non-dairy probiotic beverages. The study investigated the potential of fermenting five pomelo cultivars with Lactobacillus paracasei for non-dairy probiotic beverages. Fermentation enhanced lactic acid bacteria (8.80–9.28 log CFU/ml), organic acids, polyphenols, flavonoids, and antioxidant activity, disrupting cholesterol micellization and inhibiting pancreatic lipase. Some cultivars showed improved volatile compounds and sensory scores post-fermentation. Tubtim Siam exhibited the highest functionality and health benefits based on principal component analysis and hierarchical clustering and was used for further analysis for beneficial effects. The in-vitro colonic fermentation of fermented and non-fermented …
A Comparison Of Crestal Bone Loss Between Healing Abutment And Customized Abutment; 6 Months Clinical Observation, Adison Jirasuwannakul
A Comparison Of Crestal Bone Loss Between Healing Abutment And Customized Abutment; 6 Months Clinical Observation, Adison Jirasuwannakul
Chulalongkorn University Theses and Dissertations (Chula ETD)
Adison Jirasuwannakul : A Comparison of crestal bone loss between healing abutment and customized abutment ; 6 months clinical observation. Advisor: Associate Professor Pravej Serichetaphongse, D.D.S., M.S . Co-advisor: Asst. Prof. Wareerat Chengprapakorn,, D.D.S., Ph.D. Objective : To compare the effect on marginal bone loss between using healing abutment and customized abutment (Definite abutment). Material and method : Thirdtyfour patients who required a single posterior implant-supported prosthesis were randomly divided into two groups which were healing abutment group (Control group)and customized titanium abutment group(Test group). Patients received one dental implant between 4.0 and 5.0 mm. diameter (Dentium Superline, Dentium, Seoul, …
The Effect Of Different Functional Monomer Of Zirconia Primer And Universal Adhesive On Shear Bond Strength Of Zirconia To Composite Resin Using Resin Cement, Pimchanok Pitakassawakul
The Effect Of Different Functional Monomer Of Zirconia Primer And Universal Adhesive On Shear Bond Strength Of Zirconia To Composite Resin Using Resin Cement, Pimchanok Pitakassawakul
Chulalongkorn University Theses and Dissertations (Chula ETD)
Zirconia has been increasing used due to its good mechanical properties but the study about the ability to bond to zirconia ceramic is still limited. The purpose of this study is to evaluate the bond strength of zirconia using MDP-containing zirconia primer and GPDM-containing universal adhesive. Twenty-one super-high translucent zirconia discs (Ceramil zolid fx White; AMANN GIRRBACH, Austria), 8.5 mm in diameter and 3.2 mm in thickness, were prepared. The specimens were divided into 3 groups (n=7) according to primer application, Group I: no primer application (control group), Group II: Z-Prime plus® (Bisco, Schaumburg, Illinois, USA) and Group III: Optibond …
M2 Macrophages In Human Periapical Lesions In Relation To Histopathological Diagnosis, Clinical Features, And Lesion Volume, Supanant Visarnta
M2 Macrophages In Human Periapical Lesions In Relation To Histopathological Diagnosis, Clinical Features, And Lesion Volume, Supanant Visarnta
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study evaluated M1 and M2 macrophage polarization in human periapical cysts and granulomas through an immunohistochemical analysis and investigated the correlation between the macrophage polarization and histopathological diagnosis, clinical features and lesion volume using cone-beam computed tomography. The periapical biopsies histopathologically diagnosed as radicular cyst (n=52) and periapical granuloma (n=51) were analyzed by immunohistochemical method. Immuno-expressions of CD68 and CD163 were quantified. The CD68/CD163 ratio was adopted to represent M1 or M2 macrophage polarization. Pathological diagnosis, patients’ age, gender, clinical signs and symptoms, tooth location of the periapical lesion, and history of root canal treatment were obtained from treatment …
Comparison Of Removal Torques Among Different Abutments In Single Implant Crowns After Cyclic Loading: An In Vitro Study, Suppanut Jongsiri
Comparison Of Removal Torques Among Different Abutments In Single Implant Crowns After Cyclic Loading: An In Vitro Study, Suppanut Jongsiri
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objectives: To evaluate the effect of different restoration designs on the removal torque loss of implant-supported maxillary first premolar crowns after cyclic loading and to measure the impact of cyclic loading on removal torque. Materials and Methods: Thirty-two dental implants (4.0*10 mm), embedded in resin blocks and their abutments, were divided into 4 groups (n=8) based on restoration design: screwmentable group, 2 cement-retained groups: cemented with adhesive resin cement (Panavia V5) or provisional cement (RelyX Temp NE), and screw-retained one-piece titanium group. Monolithic zirconia crowns were fabricated and cemented in the first three groups. Their removal torques were recorded using …
The Alleviating Effects Of Epidermal Growth Factor On An In Vitro Oral Mucositis Model In The Presence Of Fusobacterium Nucleatum, Tien Thi Trieu Truong
The Alleviating Effects Of Epidermal Growth Factor On An In Vitro Oral Mucositis Model In The Presence Of Fusobacterium Nucleatum, Tien Thi Trieu Truong
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objectives: 5-fluorouracil (5-FU) is commonly used as a chemotherapy drug for head and neck cancers. However, it often produces an adverse cytotoxic effect on the oral epithelia leading to oral mucositis (OM) in cancer patients. Thus, reversing this cytotoxic effect locally with novel bioactive drugs or factors is necessary. This study aimed to investigate the rescue effect of Nicotiana benthamiana plant-derived epidermal growth factor (P-EGF) on human normal oral keratinocytes (NOKs) exposed to 5-FU-induced cytotoxicity in the presence of Fusobacterium nucleatum (Fn). Materials and Methods: Cytotoxicity and ATP-dependent proliferation and metabolism of NOK monolayer cultures were assessed after 48 hours …
Equity In Maternal And Child Health In Myanmar: Benefit Incidence Analysis On Utilization Of Health Services, Myint Si Thu
Equity In Maternal And Child Health In Myanmar: Benefit Incidence Analysis On Utilization Of Health Services, Myint Si Thu
Chulalongkorn University Theses and Dissertations (Chula ETD)
Utilization of maternal and child health services plays a crucial role in preventing pregnancy related deaths and child deaths. High levels of maternal and child mortalities are remaining as public health problems in Myanmar. Therefore, this study aims to examine the effects of socio-economic and geographical factors on utilization of maternal and child health services at public health facilities in Myanmar, and analyze the levels of benefit that go to the people in different wealth status. Secondary data analysis is conducted using maternal and child health data from Myanmar Demographic and Health Survey (MDHS) 2015- 16. Marginal effects of multinomial …
Techno-Economic Analysis And Intensification Of Biosurfactant Production From Palm Fatty Acid For Oil Recovery Enhancement, Chanapol Charoentanaworakun
Techno-Economic Analysis And Intensification Of Biosurfactant Production From Palm Fatty Acid For Oil Recovery Enhancement, Chanapol Charoentanaworakun
Chulalongkorn University Theses and Dissertations (Chula ETD)
Currently, Biosurfactants are receiving the interest as a substitute for surfactants synthesized from petroleum products due to their biodegradability. Palm oil derivatives are one of the interesting candidates of biosurfactant production because of the superior properties of hydrocarbon structure in the range of C16-C18. Thus, this research studied the economic and environmental impact analysis of production processes, and adsorption and oil recovery performance for different anionic biosurfactants synthesized from palm oil derivatives, i.e. palm fatty acid distillate (PFAD). Moreover, the optimal design and essential operating condition of batch reactive distillation column were also studied to intensify the equilibrium limitation of …
A Machine Learning Predictive Model For The Extension Of Operation Time And The Operation Cost Overrun : A Case Study Of Vietnamese Bot-Ppp Transportation Projects, Pham Van Hoai
Chulalongkorn University Theses and Dissertations (Chula ETD)
Public-Private Partnership (PPP) projects in Vietnam's transportation sector are vital for infrastructure development but frequently encounter significant risk factors (RFs) during the operation phase. These RFs often lead to the extension of operation time (EOPT) and operation cost overruns (OPCO), undermining project success and investor returns. Despite the importance of the operation phase, most research has focused on the project feasibility and construction stages, with limited attention given to the operation phase. This research fills this gap by developing predictive models to manage the EOPT and OPCO caused by RFs during the operation phase of Build-Operate-Transfer (BOT) transportation projects in …
Biomarkers Of Mild Cognitive Impairment With And Without Depression In The Elderly, Gallayaporn Nantachai
Biomarkers Of Mild Cognitive Impairment With And Without Depression In The Elderly, Gallayaporn Nantachai
Chulalongkorn University Theses and Dissertations (Chula ETD)
Amnestic Mild Cognitive Impairment (aMCI) is the deterioration of cognitive function, where those with the amnestic subtype have memory decline and may conversion to Alzheimer’s disease. This study is both a systematic review and meta-analysis on 3.798 MCI individuals and 6.063 healthy controls and a case-control study. The case-control study included 121 MCI and normal volunteers aged 60-75. Collectively, the dissertation aimed to explore the relationship between biomarkers, psychological symptoms, and neuropsychological assessment in MCI. Descriptive statistics were used to describe the general data set, while meta-statistics were used to review biomarkers. The predictive relationship of various factors in MCI …
Genetic Heterogeneity Of Glucose 6-Phosphate Dehydrogenase (G6pd) Regulatory Region In G6pd Deficient Patients, Lawrence Billy Vasco Djama
Genetic Heterogeneity Of Glucose 6-Phosphate Dehydrogenase (G6pd) Regulatory Region In G6pd Deficient Patients, Lawrence Billy Vasco Djama
Chulalongkorn University Theses and Dissertations (Chula ETD)
G6PD deficiency is a genetic disorder caused by either suboptimal function of the G6PD enzyme or instability of the G6PD gene, resulting in insufficient production of the G6PD protein. This study investigates mutations in the regulatory regions of the G6PD gene using Nanopore MinION sequencing, as mutations outside the coding region can also affect G6PD activity. Blood samples from 89 individuals (73 adults and 16 newborns) with G6PD deficiency or intermediate levels but unidentified coding sequence mutations were analyzed. Genomic DNA was screened for mutations, enriched using degenerate oligonucleotide-primed PCR (DOP-PCR), and sequenced using the Oxford MinION platform. Bioinformatic analyzes …
The Diagnostic Accuracy Of Maxillary Fungal Ball Rhinosinusitis In Paranasal Sinus Computed Tomography Using Deep Learning Models, Pakapoom Sukswai
The Diagnostic Accuracy Of Maxillary Fungal Ball Rhinosinusitis In Paranasal Sinus Computed Tomography Using Deep Learning Models, Pakapoom Sukswai
Chulalongkorn University Theses and Dissertations (Chula ETD)
Purpose: This study aimed to assess the accuracy of deep learning models for the diagnosis of maxillary fungal ball rhinosinusitis (MFB) in paranasal sinus computed tomography and to compare the accuracy, sensitivity, specificity, precision, F1-score with thoses of rhinologists. Methods: We collected all adult chronic rhinosinusitis (CRS) patients who underwent paranasal sinus cone-beam computed tomography (CT) in the Department of Otolaryngology, King Chulalongkorn Memorial Hospital (KCMH), Thailand between 2014 and 2021. Cone-beam CT images were constructed and labeled to form the deep learning models from overall dataset consisted of 254 maxillary fungal ball (MFB) cases and 1285 other CRS subtypes …
Accuracy Of 177lu Quantification For Dosimetry Calculation Using 12-Swiveling Czt Detectors Spect/Ct Camera, Panattha Damthongsen
Accuracy Of 177lu Quantification For Dosimetry Calculation Using 12-Swiveling Czt Detectors Spect/Ct Camera, Panattha Damthongsen
Chulalongkorn University Theses and Dissertations (Chula ETD)
Recently, the 12-cadmium zinc telluride (CZT) based digital detectors SPECT/CT system has been introduced for advanced technology in nuclear medicine instrument, which outperforms conventional cameras. Moreover, the voxel S value-based dosimetry is important and offers more accurate in personalized dosimetry treatment using targeted radionuclide therapy. This study aimed to determine the accuracy of 177Lu quantification through an IEC/NEMA phantom study and to evaluate total-body dosimetry in patients undergoing 177Lu therapy using 12-swiveling digital CZT detectors SPECT/CT camera. The NEMA/IEC body phantom inserted with six fillable spheres (10-, 13-, 17-, 22-, 28-, and 37-mm inner diameter), filled with 177Lu solution of …
Michael Addition In Water Using Dialkyldithiocarbamate Salt As Double-Chain Amphiphilic Organocatalyst, Panassilp Authai
Michael Addition In Water Using Dialkyldithiocarbamate Salt As Double-Chain Amphiphilic Organocatalyst, Panassilp Authai
Chulalongkorn University Theses and Dissertations (Chula ETD)
Water, a green solvent in organic synthesis, poses challenges due to its high polarity, leading to poor solubility of organic compounds. To address this challenge, employing amphiphiles to create nanoreactors enhances homogeneity and reaction efficiency. Recently, catanionic vesicles generated by combining oppositely charged amphiphiles, have shown promise as alternative nanoreactors. However, their full potential remains unexplored. In this study, we designed novel CatAnionic vesicles derived from N,N-dialkyldithiocarbamates (DTCs), synthesized through a one-step condensation with excellent yields. The DTC amphiphiles in water formed vesicles and catalyzed Michael addition. N,N-didodecylammonium N,N-didodecyldithiocarbamate (AmDTC-C12C12) exhibited the highest reactivity for catalysis of Michael addition to …
Multi-Material Proportional Topology Optimization Using Adaptive Quadtree Sbfe Framework, Natchanon Chantab
Multi-Material Proportional Topology Optimization Using Adaptive Quadtree Sbfe Framework, Natchanon Chantab
Chulalongkorn University Theses and Dissertations (Chula ETD)
This thesis presents a novel approach to multi-material Proportional Topology Optimization (PTO) by integrating an automatic image-based quadtree element (2D) structure with the Scaled Boundary Finite Element framework (SBFE). Our method minimizes compliance or maximizes mechanical stiffness of multi-material structures while adhering to volume fraction constraints for each material. Design variables, proportionally weighted from 0 to 1, correspond to compliance values in optimization loops without sensitivity values. Additionally, a material interpolation scheme spatially separates material behaviors. An adaptive quadtree algorithm captures local area element details, reducing memory usage, solution times, and improving numerical accuracy. Implemented in finite element analysis using …
Development Of A Computer Vision System To Monitor Container Closures And Cleanliness Of Tools Related To Volatile Substances In Construction Projects, Tun Lin Naing
Chulalongkorn University Theses and Dissertations (Chula ETD)
Construction chemicals have gained an essential role across various aspects of the construction process in modern construction. While construction chemicals provide advantages to construction activities, if there are no control measures, they can transform into hazardous substances that pose occupational health risks and environmental impacts, which can also affect a company's ESG performance. Therefore, it is important to implement prevention and control measures for chemical materials during their utilization on construction sites to prevent the transformation of construction chemicals into hazardous substances. Currently, traditional methods of checking chemical containers and tools on construction sites are time-consuming, prone to errors, and …
Shape Memory Polymer Based On Copolybenzoxazines: Effects Of Chain Length Of Aliphatic Monoamines On Shape Memory Performance, Attachai Sriwattana
Shape Memory Polymer Based On Copolybenzoxazines: Effects Of Chain Length Of Aliphatic Monoamines On Shape Memory Performance, Attachai Sriwattana
Chulalongkorn University Theses and Dissertations (Chula ETD)
This research was successful in completely synthesizing benzoxazine copolymers for shape memory polymers (SMPs) by mixing bisphenol A-aniline (BA-a) and bisphenol A-aliphatic monoamines of various chain lengths (BA-aMAs). Our studies have shown that shorter chain lengths will provide higher crosslinking densities, which play an important role in promoting the stiffness of the polymer, resulting in a higher shape-fixity ratio (Rf). While longer chains result in a lower crosslinking density and a larger free volume, thus promoting a higher shape-recovery ratio (Rr), Therefore, selecting the appropriate aliphatic monoamine chain length is crucial. From the study of this work, it was found …
Sustainable Toughening Of Polylactic Acid With Ultra-Fine Fully Vulcanized Powdered Natural Rubber, Reza Gholami
Sustainable Toughening Of Polylactic Acid With Ultra-Fine Fully Vulcanized Powdered Natural Rubber, Reza Gholami
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study investigated the sustainable toughening of polylactic acid (PLA) by incorporating ultra-fine fully vulcanized powdered natural rubber graft-copolymerized with poly-styrene-co-acrylonitrile (UFPNR-SAN). We investigated the effect of the styrene-to-acrylonitrile ratio (ST:AN) used during the grafting process on the final UFPNR-SAN compatibility with PLA. The ST:AN ratio was systematically varied during the grafting reaction to prepare UFPNR-SAN with a range of different surface energies. The ST:AN ratio of 4:1 resulted in higher compatibility of UFPNR-SAN with the PLA matrix among other ratios. This could be explained by the desirable interfacial interactions and better dispersion shown by the contact angle measurements and …
Blended Program And Its Impact On Knowledge, Attitude And Help-Seeking Intention Of Conflict-Related Sexual Violence Among Internally Displaced People In Northern Myanmar Camps: A Quasi-Experimental Study, Chit Pyae Pyae Han
Chulalongkorn University Theses and Dissertations (Chula ETD)
Introduction As a result of several military coups and internal armed conflicts, Myanmar has the longest history of civilian wars in the world. Human rights violations, gender-based violence, and sexual violence have become more widespread as a result of extensive conflicts and humanitarian crises. The United Nations is concerned about the detrimental consequences of sexual violence in military situations. A community-based program designed to prevent sexual violence is crucial in mitigating risk factors and enhancing protective factors Methods The two-group quasi-experimental study evaluated the impact of a community-based program to prevent sexual violence and examined the experiences of survivors among …
Role Of Grb2 Intracellular Localization In Progesterone Receptor Positive Breast Cancer, Nattamolphan Wittayavimol
Role Of Grb2 Intracellular Localization In Progesterone Receptor Positive Breast Cancer, Nattamolphan Wittayavimol
Chulalongkorn University Theses and Dissertations (Chula ETD)
Progesterone receptor (PR) extranuclear signaling mediates mainly through PR polyproline domain (PPD) interaction with SH3 domain of cytoplasmic signaling molecules. PR-PPD interfered with Grb2-SOS binding through SH3 interaction resulting in decreased cell proliferation and correlates with a good prognosis in PR positive breast cancer. Grb2 is a key adaptor molecule and expressed in both nucleus and cytoplasm. We hypothesized that change in Grb2 localization alters PR transcription resulting in better clinical outcomes in PR positive breast cancer. BT-474 breast cancer cells expressing inducible Grb2-SV402x (nuclear Grb2, nuGrb2) or Grb2-MYR (membrane Grb2, memGrb2) were constructed. MemGrb2-BT-474 showed higher levels of PR …
Knowledge Attitude And Practice Of Who Mental Health Guidelines For Non-Specialist Primary Healthcare Providers In Wuhua District, Kunming, People's Republic Of China: A Cross-Sectional Study, Liesha Luohe
Chulalongkorn University Theses and Dissertations (Chula ETD)
Background: The 'Healthy China 2030' policy emphasizes the importance of mental healthcare at the primary healthcare level. Globally, primary healthcare(PHC) service delivery is considered the most effective approach for managing mental health (MH) disorders. The WHO’s mental health gap intervention guide version 2 (mhGAP-IG.v2), is a decision support tool for non-specialists for the assessment, management, and follow-up of mental, neurological, and substance use disorders. However, no studies have assessed primary healthcare providers’ (HCPs) knowledge, attitudes, and practices on MH services in the western part of China. Objectives: To determine the PHC providers’ characteristics and MH service provision level in Wuhua …
Knowledge, Attitude And Practice Of Human Papilloma Virus Vaccination Among Reproductive Age Women In Mandalay City, Myanmar: A Cross-Sectional Study, Kyi Thu
Chulalongkorn University Theses and Dissertations (Chula ETD)
Cervical cancer is the fourth most common type of cancer among women all over the world. HPV infection, the most sexually transmitted viral infection, is responsible for about 95% of cases of cervical cancer. The study aims to investigate the association between socio-demographic characteristics, knowledge level, and attitude level toward the practice of HPV vaccination among reproductive age women in Mandalay City, Myanmar. The cross-sectional study was conducted in May 2024 among reproductive age women in Mandalay City in Myanmar. The study used an online, standard questionnaire. Descriptive statistics, simple logistic regression, and multiple logistics regression models were used for …
Effects Of A Game On A Smartphone (“Pilotgold”)To Prevent Non-Specific Neck Pain Among Office Workers:A 6-Month Cluster-Randomised Controlled Trial, Natchanon Intipanya
Effects Of A Game On A Smartphone (“Pilotgold”)To Prevent Non-Specific Neck Pain Among Office Workers:A 6-Month Cluster-Randomised Controlled Trial, Natchanon Intipanya
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objectives: To evaluate the effects of a smartphone game for active neck movement exercise on perceived neck discomfort, new onset neck pain, and active cervical range of motion (ROM) among high-risk office workers. Methods: A 6-month prospective cluster-randomized controlled trial was conducted involving 100 healthy but high-risk office workers from nine organizations. They were randomly assigned at the cluster level into either the intervention group (n = 50), who received a smartphone game to play twice a day on workdays for 6 months, or the control group (n = 50), who received a placebo seat pad to use while sitting. …
Association Between Greenness And Environmental Parameters Exposure And Depression Among Residents In Bangkok, Thailand: An Ecological Longitudinal Study, Wilaipak Nilsalai
Association Between Greenness And Environmental Parameters Exposure And Depression Among Residents In Bangkok, Thailand: An Ecological Longitudinal Study, Wilaipak Nilsalai
Chulalongkorn University Theses and Dissertations (Chula ETD)
Depression and mental health issues are on the rise, and it is hypothesized that environmental factors may play a role in the development of these diseases. Greenness is one of the potential factors, and this study aims to investigate the relationship between living in greener areas and depression incidence in Bangkok. This is an ecological longitudinal study using secondary data documented between 2018 and 2020, utilizing data on depression (ICD-10 F32, F33), environmental parameters (PM2.5 (µg/m3), temperature (ºC), relative humidity (RH; %), and demographic variables (population density, number of communities, number of hospitals, number of healthcare centers, and divorce rate) …
Perception Of Academic Stress And Family Relationship On Mental Well-Being Among Pharmacy Students At Chulalongkorn University In Thailand: A Cross-Sectional Survey Study, Chompunoot Prasongpol
Perception Of Academic Stress And Family Relationship On Mental Well-Being Among Pharmacy Students At Chulalongkorn University In Thailand: A Cross-Sectional Survey Study, Chompunoot Prasongpol
Chulalongkorn University Theses and Dissertations (Chula ETD)
University students' mental health and well-being have gained more global attention due to their increasing influence on health and societal issues. The cross-sectional study, conducted in May 2024 among undergraduate Chulalongkorn University pharmacy students in Thailand, aims to investigate the proportion of mental well-being levels and determine the relationship between general characteristics, perceptions of academic stress, and family relationships toward mental well-being levels among pharmacy students at Chulalongkorn University. The study used an online, self-administered questionnaire. Descriptive statistics, simple logistic regression, and multiple logistic regression models were employed for data analysis. Out of 289 pharmacy students, 199 were predominantly female …
Roles Of Progesterone Signaling On Dna Repair And Cell Survival In Ovarian Cancer Cells, Pattarasiri Rangsrikitphoti
Roles Of Progesterone Signaling On Dna Repair And Cell Survival In Ovarian Cancer Cells, Pattarasiri Rangsrikitphoti
Chulalongkorn University Theses and Dissertations (Chula ETD)
Every year over 300,000 women worldwide are diagnosed with ovarian cancer and half of these patients die from this disease. The symptoms of ovarian cancer are very general and often confused with other common female diseases making ovarian cancer a challenging disease to diagnose and treat. Platinum-based chemotherapy, including cisplatin, stands as the first-line treatment for ovarian cancer. However, chemotherapy resistance remains a continuing problem, contributing to a high mortality rate. Progesterone receptor (PR) signaling has been implicated in various aspects of ovarian cancer biology. Clinical studies show a positive correlation between PR expression, improved patient survival and cisplatin response, …
Associated Factors With Suicide Mortality In Thailand:A Mediating Roles Of Urban And Rural Areas, Kajohnsak Tangkwampien
Associated Factors With Suicide Mortality In Thailand:A Mediating Roles Of Urban And Rural Areas, Kajohnsak Tangkwampien
Chulalongkorn University Theses and Dissertations (Chula ETD)
Background: Suicide is a global public health problem that affects individuals, families, and communities. The World Health Organization (WHO) estimates that more than 700,000 people die by suicide worldwide each year. Despite the significance of this issue, important factors like rural and urban settings, which have different definitions in each country and result in specific contextual effects on suicide, are overlooked. Objectives: To understand the role of living in urban and rural as mediator on the associated factors (socio-demographic factors, mental and physical problems, effect from COVID-19, economic factors, relationship problems, history of self-harm, and warning signs, method of suicide) …
Comparison Of The Effects Of Dynamic Seat Cushion At Low Back And Buttocks On The Number Of Postural Shifts And Body Perceived Discomfort In Office Workers, Narumon Roynarin
Comparison Of The Effects Of Dynamic Seat Cushion At Low Back And Buttocks On The Number Of Postural Shifts And Body Perceived Discomfort In Office Workers, Narumon Roynarin
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study compared the number of postural shifts and body perceived discomfort while leaning and sitting on air-filled seat cushion for 1-hour in healthy office workers. Sixty office workers typed a standard text at a computer workstation for an hour in three sitting conditions: leaning on a seat cushion placing behind the low back, sitting on a seat cushion placing under the buttocks, and sitting without a seat cushion (a control condition). The number of postural shifts, average pressure (AP), peak pressure (PP), and frequency of sitting posture were collected using a seat pressure mat device. Body perceived discomfort at …