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A Partial Least Squares Path Model of Repurchase Intention in Smartphone-based Ride Hailing Service
Nguyen,Ngoc Duy Phuong,Tran,Thi Dai Trang 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
The aims of this study are applying the Perceived value model and employing the three factors defining service quality of information system from DeLone and McLean’s success model to identify the key factors affecting repurchase intention in smartphone-based ride hailing service. The research framework was examined with 427 valid respondents from Grab and Uber customers in Vietnam. Partial Least Square (PLS) employed to analyze the measurement and structural model. The statistical results support all seven proposed hypotheses. The study confirm that service quality and electronic service quality of information system are significant predictors of overall perceived service quality. In addition, when customer perceives the service quality outweighs their sacrifices, the perceived value increase, subsequently results in higher repurchase intention towards smartphone-based ride-hailing service. Overall, other variables account for 51.1% of variance of repurchase intention. The study confirms the relationships of the three variables represent the electronic service quality and service quality with the overall service quality, which directly effects to perceived value, considering a more comprehensive model for service in m-commerce context.
Vietnam Special Issue of Cardiovascular Imaging Asia
Nguyen Ngoc Trang 아시아심장혈관영상의학회 2022 Cardiovascular Imaging Asia Vol.6 No.2
On behalf of my colleagues practicing cardiac imaging in Vietnam, we are grateful to the Cardiovascular Imaging Asia (CVIA) editorial office for planning this Vietnam special issue. We highly appreciate the opportunity that CVIA has given us to showcase cardiac imaging in Vietnam.
Nguyen, Ngoc-Anh,Nguyen, Tham Thao-Trang,Nguyen, Van-Toan,Ali, Yousuf,Sim, Eunju,Choi, Ho-Suk Elsevier 2019 CATALYSIS TODAY - Vol.337 No.-
<P><B>Abstract</B></P> <P>We report a method for synthesizing a plasma-treated sponge-like NiAu nanoalloy to enhance the hydrogen evolution reaction (HER) performance. First, an as-prepared sponge-like NiAu nanoalloy is obtained by using NaBH<SUB>4</SUB> to reduce a NiCl<SUB>2</SUB> and HAuCl<SUB>4</SUB> mixture without using any surfactant. Second, this as-prepared sponge-like NiAu nanoalloy is treated by argon plasma under atmospheric pressure with a treatment time of 15 min to obtain the final plasma-treated sponge-like NiAu nanoalloy. The HER electrocatalytic performance of the plasma-treated sponge-like NiAu nanoalloy is then investigated in 0.5 M H<SUB>2</SUB>SO<SUB>4</SUB> electrolyte. From the results, the plasma-treated sponge-like NiAu nanoalloy exhibits enhanced HER performance compared to the as-prepared sponge-like NiAu nanoalloy due to the exposure of more active/edge sites. The overpotential at a current density of 10 mA.cm<SUP>−2</SUP> of the plasma-treated sponge-like NiAu nanoalloy (88 mV) is lower than that of the as-prepared sponge-like NiAu nanoalloy (134 mV), and this is due to the plasma treatment process. In addition, plasma-treated sponge-like NiAu nanoalloy shows an excellent durable ability of HER activity for 80,000 s.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Sponge-like NiAu nanoalloys are prepared using a simple method without any surfactant. </LI> <LI> Electronic coupling between Ni and Au atoms can improve the HER activity. </LI> <LI> The plasma-treated sponge-like NiAu nanoalloy exhibits enhanced HER performance. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Acute Myocardial Infarction in Patients With Single Coronary Artery: A Case Report
Nguyen Thi Huyen,Nguyen Ngoc Trang,Nguyen Khoi Viet,Le Thi Thuy Lien,Hoang Thi Van Hoa,Phung Bao Ngoc,Vu Dang Luu 아시아심장혈관영상의학회 2022 Cardiovascular Imaging Asia Vol.6 No.2
A single coronary artery (SCA) is a rare congenital anomaly. In most cases, it is an incidental finding on coronary angiography and has no clinical significance. However, it can cause angina, myocardial infarction, or even sudden death. Reports of SCA with acute myocardial infarction are very rare in the medical literature. This case study presents a patient with SCA from the right aortic sinus with severe stenosis in the proximal and distal part of the right coronary artery, which was detected using cardiac angiography and cardiac multidetector computed tomography (MDCT) with acute myocardial infarction.
The Impact of Consumer Ethnocentrism on Purchase Intention: An Empirical Study from Vietnam
Thanh Ngoc Dan NGUYEN,Phuong Nhu DANG,Phu Hoang TRAN,Trang Thi Thuy NGUYEN 한국유통과학회 2022 The Journal of Asian Finance, Economics and Busine Vol.9 No.2
Ethnocentrism in users plays an important role in predicting user behavior when deciding between imported and domestic goods. The purpose of this study is to look into the influence of ethnocentrism in customer behavior on brand image, perceived value, perceived quality, brand trust, and brand buy intention. Vietnamese customers prefer homegrown brands. The moderate role of consumer ethnocentrism in the conceptual framework emphasizes the country origin of the product is the most important factor. It also demonstrates how the intention of Vietnamese consumers to buy domestic brands is substantially influenced. To test the hypothesis, this article used a quantitative technique utilizing PLS-SEM software. With 917 samples, the study used the quota sampling approach to collect data from students at 10 universities in Ho Chi Minh City. The data suggest that all players have a positive association and that consumer ethnocentrism has a moderate impact in the Vietnamese brand context. Following that, suggestions are made to help Vietnamese firms create and retain their brands in the face of severe competition from global brands in the domestic market. To increase consumer intent in purchasing behavior, the Vietnamese local company needs to establish a strong brand.
Trong Luan NGUYEN,Trung Hau NGUYEN,Thao Vy THACH,Doan Vy TRAN,Nguyen Huong Giang HOANG,Ngoc Phuong Trang PHAM 한국유통과학회 2022 The Journal of Asian Finance, Economics and Busine Vol.9 No.1
Entrepreneurs are valuable assets for any country. Rather than being confronted with new obstacles, they should be fostered and nurtured. Entrepreneurial firms have the power to influence how we live and work, in addition to producing jobs and contributing to economic progress. Entrepreneurs have the ability to change the world by creating diversified skill sets and profitable businesses that are vital to the advancement of our economies. How does one go about being a successful business, though? More resources are believed to be needed to create entrepreneurial environments in higher education that foster progressive ideas and innovation while also providing students with the practical knowledge and skills they need to navigate the troublesome, difficult, and uncertain situations that come with owning a business. This article will outline the scales of components from which to measure variables impacting universities’ ability to encourage entrepreneurial behavior among students, based on the aforementioned significance of universities. This article is based on a survey of 507 students from different universities and backgrounds in Vietnam. The research methods used are Cronbach’s alpha test and Structural Equation Modeling. From the research results, it can be seen that the university’s environment plays a significant role in fostering entrepreneurial behavior among students.
Phung Bao Ngoc,Nguyen Khoi Viet,Hoang Van Hoa,Nguyen Ngoc Trang,Le Thi Thuy Lien,Pham Minh Thong,Vu Dang Luu 아시아심장혈관영상의학회 2022 Cardiovascular Imaging Asia Vol.6 No.2
Left pulmonary artery sling (LPAS) is a rare congenital anomaly in which the left pulmonary artery (LPA) originates from the posterior aspect of the right pulmonary artery and courses between the trachea and esophagus to reach the left lung. This anomaly causes distal tracheal and/or right main stem bronchus compression. Most LPAS cases are associated with early symptom onset, around 2 month-old, and have severe respiratory distress within the first year of life. There are two major types of LPAS based on the location of LPA and abnormal bronchial branching. The diagnosis can be made by using various imaging modalities. Herein, we present the imaging characteristics on multidetector computed tomography of 5 LPAS cases with respiratory distress (2 months to 12 months).