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Thuy Thanh Thi DOAN 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.10
The purpose of this paper is to examine whether service quality, student satisfaction, and university image mediate the relationship between university sustainability practices and student loyalty of the students in Ho Chi Minh City, Vietnam. To analyze the data, this study used a structural equation model to explore the relationships existing between constructs. A structured questionnaire comprising of 22 questions was used with 5 constructs. A total of 465 students from Ho Chi Minh City universities filled in the newly developed questionnaires using five points Likert scales. Consistent with the existing result, the study reveals a valuable insight on university sustainability practices toward student loyalty of the university. According to the findings, university sustainability practices have a positive direct impact on service quality, student satisfaction, university image, and student loyalty. And also service quality has a positive strong impact on student loyalty. Furthermore, service quality, student satisfaction, and university image play the mediating role in the relationship between university sustainability practices and student loyalty. Thus, the loyalty of students seems to reflect quite well from university sustainability practices, service quality, and university image. The findings indicate that universities should be more concerned about university sustainability practices, service quality, and university image in attracting student loyalty.
DOAN, Thuy Thanh Thi,NGUYEN, Linh Cam Tran,NGUYEN, Thanh Dan Ngoc Korea Distribution Science Association 2020 The Journal of Asian Finance, Economics and Busine Vol.7 No.3
The paper aims to examine the relationship of emotional intelligence on the project success, the causal relationship between emotional intelligence and project success, and also investigate the influence of emotional intelligence and the mediating role of transformational leadership as well as the moderating effect of organization commitment on the relationship between emotional intelligence and project success. Cross sessional research is applied to collect the data in this study. By applying quantitative research and survey question, the study collects 325 respondents who are the project managers. Snow-ball sampling method is used to distribute the questionnaires by face to face survey (68% of respondents) and online survey (32% of respondents). The collected data is analyzing by applying partial least square (PLS-SEM) via software SmartPLS 3.0.The result shows that the emotional intelligence and the transformational leadership making the project even more successful as the mediation actor. Furthermore, the project commitment also has the moderator effect between transformational leadership and project success. With the result of study, project managers should be aware of the importance of emotional intelligence and their commitment to the ability to manage projects successfully. A successful project is a combination of many actors, the most critical actor is the leader of the project.
Doan, Huong Thi Thanh,Noh, Jin Hyeong,Choe, Se Eun,Yoo, Mi Sun,Kim, Young Ha,Reddy, Kondreddy Eswar,Van Quyen, Dong,Nguyen, Lien Thi Kim,Nguyen, Thuy Thi Dieu,Kweon, Chang Hee,Jung, Suk Chan,Chang, Ki Elsevier 2013 Veterinary parasitology Vol.196 No.3
<P><B>Abstract</B></P> <P>Ticks are vectors of various pathogens that affect humans and animals throughout the world. <I>Anaplasma bovis</I> is one of the most important tick-borne pathogens that cause cattle diseases but there is still very little information available about this agent in Korea. In the present study, 535 <I>Haemaphysalis longicornis</I> tick pools were analyzed from grazing cattle in five Korean provinces. <I>A. bovis</I> was detected in 50 (9.3%) of 535 tick pools using 16S rRNA-based PCR. <I>A. bovis</I> infections were detected for the first time in ticks feeding on cattle in Chungbuk, Geongbuk, and Jeonbuk provinces in Korea. The 50 positive PCR products were sequenced successfully and compared with sequences in GenBank. Phylogenetic analysis of the Korean isolates classified them into four genotypes with nucleotide sequence identities of 99.4–100%. Two of the four genotypes had high similarity (99.8–100%) with known sequences. The other two genotypes have never been identified.</P>
Thuy Thanh Thi DOAN 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.10
In an effort to find ways to increase the effectiveness of online education, literature and empirical study based on the Technology Acceptance Model (TAM) have addressed a variety of questions, including perceived ease of use (PEU) and perceived usefulness (PU). After TAM, extensive studies have focused on the impact of extrinsic factors on PEU and PU, including Self-efficacy and Perceived Risk. This study aims to analyze the direct, indirect, and moderating effects of Self-efficacy and Perceived Risk on Online Learning Intention (OLI). Data was collected through a survey method from 472 students studying at universities in Vietnam. The collected data was analyzed using the PLS-SEM technique to test the hypotheses. The findings reveal that Technology Self-Efficacy influences the intention to take online courses both directly and indirectly through Perceived Ease of Use and Perceived Usefulness. Besides, Perceived Risk COVID-19 also has a positive effect on online learning intention, and plays a role as a moderating variable on the impact of PU on OLI. These findings suggest that students will have a stronger intention to study online when they are confident in their ability to use technology. When they believe in their ability to use technology, their online learning intention will also increase.
Thuy Thanh Thi DOAN 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.8
In recent years, there have been several studies on service quality in higher education, however, research on service quality and sustainable activities affecting student loyalty has been largely ignored in previous studies. This paper investigates the role of service quality in creating student loyalty, and how university sustainability practices and student satisfaction mediate the relationship between service quality and student loyalty. The paper draws attention to university sustainability practices and understanding its impact on student satisfaction and loyalty in Vietnamese public universities. A quantitative methodology is explored, and data was collected through an online structured questionnaire. Responses are gathered from 278 students of public universities in Ho Chi Minh City, Vietnam. Structural equation modeling is used to examine the associations between the constructs by using the PLS-SEM approach. The results show that service quality has a significant effect on university sustainability practices, student satisfaction, and student loyalty. In addition, university sustainability practices and student satisfaction also mediate the relationship between service quality and student loyalty. The author’s findings may guide the key decision-makers in universities to incorporate service quality and universities’ sustainability practices in their strategy and thereby improve student satisfaction and student loyalty.
Artocarpus nigrifolius: Cytotoxic and Antibacterial Constituents
Hoi, Tran Minh,Anh, Ha Van,Huong, Nguyen Thi Thanh,Tuyen, Nguyen Van,Anh, Le Thi Tu,Tra, Nguyen Thanh,Cham, Ba Thi,Ha, Nguyen Thi Thu,Linh, Pham Thuy,Tien, Doan Duy,Kiem, Phan Van,Ban, Ninh Khac,Kukha The Korean Society for Applied Biological Chemistr 2013 Applied Biological Chemistry (Appl Biol Chem) Vol.56 No.6
Six known compounds including ${\alpha}$-amyrin 3-acetate (1), ${\beta}$-sitosterol (2), betulinic acid (3), friedelan-3-one (4), artochamin B (5), and 2-C-methyl-D-erythritol 4-O-${\alpha}$-D-glucopyranoside (6) were isolated from the stem barks and leaves of Artocarpus nigrifolius (Moraceae) for the first time. Their structures were identified by spectroscopic methods as well as comparison with literatures. Cytotoxicity and antibacterial activity of 1-6 were evaluated. Results showed that artochamin B (5) possessed the highest cytotoxicity towards MCF7, Lu, HepG2, and KB cell lines with $IC_{50}$ values of 4.59, 20.00, 3.60, and $1.18{\mu}g/mL$, respectively. It also inhibited the growth of Gram-positive bacteria (Bacillus subtilis, Staphylococcus aureus), whereas inactive on the growth of both Gram-negative bacteria and yeast.
Artocarpus nigrifolius: Cytotoxic and Antibacterial Constituents
Tran Minh Hoi,김영호,Ha Van Anh,Nguyen Thi Thanh Huong,Nguyen Van Tuyen,Le Thi Tu Anh,Nguyen Thanh Tra,Ba Thi Cham,Nguyen Thi Thu Ha,Pham Thuy Linh,Doan Duy Tien,Phan Van Kiem,Ninh Khac Ban,Lidziya Kukha 한국응용생명화학회 2013 Applied Biological Chemistry (Appl Biol Chem) Vol.56 No.6
Six known compounds including α-amyrin 3-acetate (1), β-sitosterol (2), betulinic acid (3), friedelan-3-one (4),artochamin B (5), and 2-C-methyl-D-erythritol 4-O-α-D-glucopyranoside (6) were isolated from the stem barks and leaves of Artocarpus nigrifolius (Moraceae) for the first time. Their structures were identified by spectroscopic methods as well as comparison with literatures. Cytotoxicity and antibacterial activity of 1-6 were evaluated. Results showed that artochamin B (5)possessed the highest cytotoxicity towards MCF7, Lu, HepG2,and KB cell lines with IC50 values of 4.59, 20.00, 3.60, and 1.18μg/mL, respectively. It also inhibited the growth of Gram-positive bacteria (Bacillus subtilis, Staphylococcus aureus), whereas inactive on the growth of both Gram-negative bacteria and yeast.
Determinants Influencing Management Competency of Small and Medium Enterprise Directors in Vietnam
Thi Mai Huong DOAN,Minh Thuy DO,Thanh Lan MAI,Vu Phuong Anh DO,Thi Loan NGUYEN 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.12
Currently, small and medium-sized enterprises (SMEs) are accounting for about 98% of the total number of enterprises in Vietnam. Each year, SMEs create over one million new jobs, utilize up to 51% of the labor force in the society, and contribute more than 40% of GDP to the country. The study aims to analyze factors affecting the management competency of directors in small and medium enterprises in Vietnam. To achieve these research objectives, quantitative and qualitative methods were used concurrently. 300 questionnaires were sent out, but only 276 were collected and used for the quantitative analysis through SPSS 20.0 software. Cronbach’s Alpha, EFA, and regression were used to further confirm the research findings. The research findings show that all four proposed factors have impacts on the management competency of SME directors, among which enterprise features and specific policies for entrepreneur development in the locality have the strongest impacts, followed by personal features and business environment. The findings of this study suggest that managers need to focus on factors affecting the management competency of directors. This paper also provides new insight into the management competency of directors. Based on the findings, some recommendations are given for SMEs to improve management competency.
Nguyen, Thanh Huong,Nguyen, Trung Kien,Kim, Bao Giang,Hoang, Van Minh,Phan, Thi Hai,Doan, Thu Huyen,Luong, Ngoc Khue,Nguyen, Thuy Linh,Nguyen, Tuan Lam,Pham, Thi Quynh Nga Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.no.sup1
Studies have shown that smoking is a learnt behavior, often initiated during adolescence. This paper aims to describe tobacco-related knowledge, attitude and associations among school adolescents aged 13-15 with exposure to anti-smoking information. Using data from the Global Youth Tobacco Survey (GYTS) in Viet Nam, 2014, knowledge was measured through 4 questions about tobacco use, and attitude was assessed through 3 questions on personal, social and environmental aspects. Students giving most anti-tobacco responses to all questions were considered as having correct knowledge or appropriate attitude or both. Access to anti-smoking information was determined by exposure to any media messages on tobacco control during the past 30 days and teaching in school about the danger of tobacco use during the past 12 months. A substantial percentage of students thought that being near others who smoke might be harmful to them and smoking is harmful to health (89.4% and 89.6% respectively). However, only 46.4% reported that it is definitely difficult to quit smoking and 66.9% thought that smoking for only 1 or 2 years, once stopped, is harmful to health. Slightly more than half of the respondents reported appropriate attitude that young smokers have fewer friends than others and smoking makes them less attractive and less comfortable at social events. Noticing anti-smoking messages in the media together with having lessons in school about the dangers of tobacco substantially increased the likelihood of having correct knowledge, appropriate attitude and both. Despite relatively high awareness about smoking harms, effective educational communication is still highly needed to improve the level of comprehensive knowledge and an appropriate attitude regarding tobacco use.
Structural Proteomic Study of Xanthomonas oryzae pv. oryzae to Develop a Novel Antibacterial Drug
Dong Wook Kim,Phuong Thuy Ho Ngo,Thanh Thi Ngoc Doan,Natarajan Sampath,Jin Kwang Kim,Jae Wook Jung,Myoung Ki Hong,Junho Jung,Seung Hwan Kim,Hye Soon Kim,Hung Kim,Yeh Jin Ahn,Jeong G 한국응용생명화학회 2008 Applied Biological Chemistry (Appl Biol Chem) Vol.51 No.5