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Quan-Hoang Vuong,Viet-Phuong La,Manh-Tung Ho,Thu-Trang Vuong,Manh-Toan Ho 한국과학학술지편집인협의회 2020 Science Editing Vol.7 No.1
Purpose: Although retractions are commonly considered to be negative, the fact remains that they play a positive role in the academic community. For instance, retractions help scientific enterprise perform its self-correcting function and provide lessons for future researchers; furthermore, they represent the fulfillment of social responsibilities, and they enable scientific communities to offer better monitoring services to keep problematic studies in check. This study aims to provide a thorough overview of the practice of retraction in scientific publishing from the first incident to the present. Methods: We built a database using SQL Server 2016 and homemade artificial intelligence tools to extract and classify data sources including RetractionWatch, official publishers’ archives, and online communities into ready-to-analyze groups and to scan them for new data. After data cleaning, a dataset of 18,603 retractions from 1,753 (when the first retracted paper was published) to February 2019, covering 127 research fields, was established. Results: Notable retraction events include the rise in retracted articles starting in 1999 and the unusual number of retractions in 2010. The Institute of Electrical and Electronics Engineers, Elsevier, and Springer account for nearly 60% of all retracted papers globally, with Institute of Electrical and Electronics Engineers contributing the most retractions, even though it is not the organization that publishes the most journals. Finally, reasons for retraction are diverse but the most common is “fake peer review”. Conclusion: This study suggests that the frequency of retraction has boomed in the past 20 years, and it underscores the importance of understanding and learning from the practice of retracting scientific articles.
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Quan-Hoang Vuong,Quang-Hoi Vu,Thu-Trang Vuong 질병관리본부 2017 Osong Public Health and Research Persptectives Vol.8 No.2
Objectives: General health examinations (GHE) have become an increasingly common measure for preventive medicine in Vietnam. However, little is known about the factors among Vietnamese people who attend or miss GHE. Budget or time constraints remain to be evaluated for better-informed policy making. This study investigates factors affecting behaviors in attending periodic GHE. The main objectives are as follows: (1) to explore empirical relationships between influencing factors and periodic GHE frequencies, and (2) to predict the probabilities of attending GHE under associated conditions. Methods: The study used a 2,068-observational dataset, obtained from a Vietnamese survey in 2016. The analysis was then performed using the methods of baseline-category logits for establishing relationships between predictor and response variables. Results: Significant relationships were found among the expenditure and time consumption, health priority and sensitivity to health data, insurance status, and frequency of GHE, with most p-values = 0.01. Conclusion: Generally, people attended the GHE when they had the resources and health priorities (72.7% probability). Expenditure and time remain key obstacles to the periodic GHE. Health priority and health data are important in improving rates for GHEs. Health insurance should play a positive role in promoting the GHE.
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Thu Giang VUONG,Toan Thuyen VUONG 국제이네비해양경제학회 2021 International Journal of e-Navigation and Maritime Vol.16 No.1
It would appear that the diversification of the methods of international transport has made global trade much easier. With the outstanding advantages of cargo volumes, shipping costs and safety of goods, sea transport always accounts for a high proportion of the export and import activities of coastal countries. Today, therefore, seaborne trade is the main method of foreign trade in Vietnam and the world. Towards solutions in the area of seaborne trade development, this study aims to find the essential macroeconomics factors influencing directly seaborne trade by applying autoregressive distributed lag (ARDL) models with a case study of Vietnam. This paper finds that Vietnam’s GDP and FDI have positive impacts on Vietnam’s seaborne trade turnover in both the short run and long run. The findings here make a significant contribution to the search for practical scientific solutions to enhance Vietnam’s seaborne trade development.
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SGTb regulates a surface localization of a guidance receptor BOC to promote neurite outgrowth
Vuong, Tuan Anh,Lee, Sang-Jin,Leem, Young-Eun,Lee, Jae-Rin,Bae, Gyu-Un,Kang, Jong-Sun Elsevier 2019 Cellular signalling Vol.55 No.-
<P><B>Abstract</B></P> <P>Neuritogenesis is a critical event for neuronal differentiation and neuronal circuitry formation during neuronal development and regeneration. Our previous study revealed a critical role of a guidance receptor BOC in a neuronal differentiation and neurite outgrowth. However, regulatory mechanisms for BOC signaling pathway remain largely unexplored. In the current study, we have identified Small glutamine-rich tetratricopeptide repeat (TPR)-containing b (SGTb) as a BOC interacting protein through yeast two-hybrid screening. Like BOC, SGTb is highly expressed in brain and P19 embryonal carcinoma (EC) cells differentiated into neuronal cells. BOC and SGTb proteins co-precipitate in mouse brain and differentiated P19 EC cells. Furthermore, BOC and SGTb co-localize in neurites and especially are concentrated at the tip of neurites in various neuronal cells. SGTb depletion attenuates neuronal differentiation of P19 cells through reduction of the surface level of BOC. Additionally, SGTb depletion causes BOC localization at neurite tip, coinciding with decreased p-JNK levels critical for actin cytoskeleton remodeling. The overexpression of SGTb or BOC restores JNK activation in BOC or SGTb-depleted cells, respectively. Finally, SGTb elevates the level of surface-resident BOC in BOC-depleted cells, restoring JNK activation. Taken together, our data suggest that SGTb interacts with BOC and regulates its surface level and consequent JNK activation, thereby promoting neuronal differentiation and neurite outgrowth.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The TPR-region of SGTb is critical for the interaction with the intracellular region of BOC. </LI> <LI> SGTb-BOC was colocalized at the tip of neurites during neuronal differentiation. </LI> <LI> SGTb restores neuronal differentiation and JNK activity in BOC-depleted cells. </LI> <LI> SGTb regulates BOC's localization at the tip of neurite and JNK activation. </LI> <LI> SGTb promotes neurogenesis and neurite outgrowth through BOC-mediated JNK activation. </LI> </UL> </P>
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Adhesion of Human Osteoblasts Cell on CrN Thin Film Deposited by Cathodic Arc Plasma Deposition
Vuong Hung Pham,Sun Kyu Kim 한국표면공학회 2009 한국표면공학회지 Vol.42 No.5
Interaction between human osteoblast (hFOB 1.19) and CrN films was conducted in vitro. CrN films were produced by cathodic arc plasma deposition. The surface was characterized by atomic force microscopy (AFM). CrN films, glass substrates and TiN films were cultured with human osteoblasts for 48 and 72 hours. Actin stress fiber patterns and cell adhesion of osteoblasts were found less organized and weak on CrN films compared to those on the glass substrates and the TiN films. Human osteoblasts also showed less proliferation and less distributed microtubule on CrN films compared to those on glass substrates and TiN films. Focal contact adhesion was not observed in the cells cultured on CrN films, whereas focal contact adhesion was observed well in the cells cultured on glass substrates and TiN films. As a result, the CrN film is a potential candidate as a surface coating to be used for implantable devices which requires minimal cellular adhesion.
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Insulin enhances neurite extension and myelination of diabetic neuropathy neurons
( Vuong M. Pham ),( Nitish Thakor ) 대한통증학회 2022 The Korean Journal of Pain Vol.35 No.2
Background: The authors established an in vitro model of diabetic neuropathy based on the culture system of primary neurons and Schwann cells (SCs) to mimic similar symptoms observed in in vivo models of this complication, such as impaired neurite extension and impaired myelination. The model was then utilized to investigate the effects of insulin on enhancing neurite extension and myelination of diabetic neurons. Methods: SCs and primary neurons were cultured under conditions mimicking hyperglycemia prepared by adding glucose to the basal culture medium. In a single culture, the proliferation and maturation of SCs and the neurite extension of neurons were evaluated. In a co-culture, the percentage of myelination of diabetic neurons was investigated. Insulin at different concentrations was supplemented to culture media to examine its effects on neurite extension and myelination. Results: The cells showed similar symptoms observed in in vivo models of this complication. In a single culture, hyperglycemia attenuated the proliferation and maturation of SCs, induced apoptosis, and impaired neurite extension of both sensory and motor neurons. In a co-culture of SCs and neurons, the percentage of myelinated neurites in the hyperglycemia-treated group was significantly lower than that in the control group. This impaired neurite extension and myelination was reversed by the introduction of insulin to the hyperglycemic culture media. Conclusions: Insulin may be a potential candidate for improving diabetic neuropathy. Insulin can function as a neurotrophic factor to support both neurons and SCs. Further research is needed to discover the potential of insulin in improving diabetic neuropathy.
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The Motivating Role of Sentiment in ESG Performance: Evidence from Japanese Companies
Vuong, Ngoc Bao,Suzuki, Yoshihisa Korea Institute for International Economic Policy 2021 East Asian Economic Review Vol.25 No.2
The paper investigates investor sentiment's role in boosting Japanese companies to enhance their environmental, social, and corporate governance (ESG) performance. Using ESG scores of 367 firms between 2005 and 2019 from the ASSET4 database, we find that negative sentiment in the previous year, both firm and market level, can be a stimulation for the company's commitments to its ESG activities next year. Notably, the moderating effect of the business sector and economic cycle on the sentiment-ESG inference are detected in our study differentiating between corporate and market sentiment, which have never been reported before. In detail, we discover that the impact of firm-specific sentiment is less pronounced for high-sensitive ESG firms. On the other hand, the driving force of market sentiment on corporate social behaviors weakens when economic recessions happen. Our results are robust after controlling for potential endogeneity issues and using alternative proxies for market sentiment.
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Research on Transnational Ethnic Relations : World Context and Cases in Vietnam
Vuong Xuan Tinh 인하대학교 다문화융합연구소 2018 다문화와 교육 Vol.3 No.2
Transnational ethnic relations (TER) are the relations between ethnic groups, living internally in one country and their coethnics or counterparts of other ethnic minorities, living abroad in other countries that share or do not share common borders. For a multi-ethnic country, TER play a very important role, affecting national socio-economic development and security, since being external relations with counterparts living abroad, but they have profound internal impacts on live of the country. So far, there have been various TER researches conducted by scholars in all over the world. Concerning the studied concepts and theories, the most notable are: the concepts of fluid border, soft border, social space border, the theories of diaspora and neoliberalism. In accordance with these concepts and theories, the authors have carried out the application researches on transnational migration, marriage, religious belief, culture, politics, smuggling, crime. In Vietnam, a country with 46 ethnic groups having coethnics inhabiting in various countries, under the influence of historical background, globalization and the Doi Moi (the Innovation policy of Vietnam), TER have been developing significantly, especially since 1986. This relationship has been expressed in numerous fields, such as politics, economy, society, culture and national security; in the majority Kinh and other ethnic minorities. This relationship relates to, not only 3 countries bordering Vietnam, such as China, Laos and Cambodia, but also to other countries: USA, Canada, France, Australia, Korea, Thailand, Malaysia, Indonesia... that do not share common borders with Vietnam, as well. TER researches in Vietnam reveal that, economic TER are the most exposed, via such as aspects: labor migration, trade, cross-border business, especially those activities carried out in the areas along Vietnam-China, Vietnam-Laos and Vietnam-Cambodia borders. Concerning the social TER, transnational marriages have been increasing, since trend of getting married to coethnics is preferred, especially in ethnic minorities. On cultural relations, festival and religious activities have connected many ethnic minorities in Vietnam with their overseas coethnics and counterpart who are practicing the same religion. Meanwhile, TER have also resulted in some illegal activities, such as cross-border smuggling, drug or women trafficking.
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