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Thomas B. Pepinsky,Erik Martinez Kuhonta,Dan Slater,Tuong Vu,Barbara Geddes,Duncan McCargo,Richard Robison 동아시아연구원 2010 Journal of East Asian Studies Vol.10 No.2
Comparative politics has witnessed periodic debates between proponents of contextually sensitive area studies research and others who view such work as unscientific,noncumulative, or of limited relevance for advancing broader social science knowledge. In Southeast Asia in Political Science: Theory, Region, and Qualitative Analysis, edited by Erik Martinez Kuhonta, Dan Slater, and Tuong Vu, a group of bright, young Southeast Asianists argue that contextually sensitive research in Southeast Asia using qualitative research methods has made fundamental and lasting contributions to comparative politics. They challenge other Southeast Asianists to assert proudly the contributions that their work has made and urge the rest of the comparative politics discipline to take these contributions seriously. This symposium includes four short critical reviews of Southeast Asia in Political Science by political scientists representing diverse scholarly traditions. The reviews address both the methodological and the theoretical orientations of the book and are followed by a response from the editors.
Southeast Asia’s New Nationalism: Causes and Significance
Tuong Vu 서강대학교 동아연구소 2013 TRaNS(Trans –Regional and –National Studies of Sou Vol.1 No.2
This paper explains the post-Cold War surge of nationalism in Southeast Asia and discusses its significance for regional peace and cooperation. As argued, the growth of nationalism as a form of mass politics has different causes in each Southeast Asian context where it occurs, but at the regional level the phenomenon can be explained by three factors: the failure of earlier nationalist movements to fully deliver their promises; a shift in the international and regional order (the end of the Cold War and the rise of China); and a change in domestic order (political liberalisation and democratisation) that was also occurring across many countries in the region. While the main mission of the new nationalism is the defence of national territory, the movements have the unintended impact of bringing together national communities once divided by Cold War ideologies. The phenomenon also poses some serious risks to regional peace and cooperation.
Service Migration over Edge Computing Infrastructure
Xuan-Tuong Vu,Minh-Ngoc Tran,Young-Han Kim 한국통신학회 2021 한국통신학회 학술대회논문집 Vol.2021 No.2
Multi-access Edge Computing (MEC) is a new promising technique, which provides lowlatency services to end-users. However, due to the limited resource of the edge node and the mobility of users, deploying applications at the edge does not guarantee continuous service for mobile users. User mobility leads to services are disrupted frequently and delayed response since users leave the initial serving edge nodes. In this paper, first, we discuss delivering container orchestration to the edge with an example open-source project and present a solution to integrating service transfer function to the edge platform, which enables transparent service continuity across the Orchestrated Edge computing networks.
Fully nonlinear inelastic analysis of rectangular CFST frames with semi-rigid connections
Van-Tuong Bui,Quang-Viet Vu,Viet-Hung Truong,Seung-Eock Kim 국제구조공학회 2021 Steel and Composite Structures, An International J Vol.38 No.5
In this study, an effective numerical method is introduced for nonlinear inelastic analyses of rectangular concrete-filled steel tubular (CFST) frames for the first time. A steel-concrete composite fiber beam-column element model is developed that considers material, and geometric nonlinearities, and residual stresses. This is achieved by using stability functions combined with integration points along the element length to capture the spread of plasticity over the composite cross-section along the element length. Additionally, a multi-spring element with a zero-length is employed to model the nonlinear semi-rigid beam-to-column connections in CFST frame models. To solve the nonlinear equilibrium equations, the generalized displacement control algorithm is adopted. The accuracy of the proposed method is firstly verified by a large number of experiments of CFST members subjected to various loading conditions. Subsequently, the proposed method is applied to investigate the nonlinear inelastic behavior of rectangular CFST frames with fully rigid, semi-rigid, and hinged connections. The accuracy of the predicted results and the efficiency pertaining to the computation time of the proposed method are demonstrated in comparison with the ABAQUS software. The proposed numerical method may be efficiently utilized in practical designs for advanced analysis of the rectangular CFST structures.
Ho, Vu Ngoc Anh,Pham, Toan Duong,Nguyen, Nam Thanh,Hoang, Hieu Le Trung,Ho, Tuong Manh,Vuong, Lan Ngoc The Korean Society for Reproductive Medicine 2022 Clinical and Experimental Reproductive Medicine Vol.49 No.2
Objective: This study aimed to investigate the impact of hyperandrogenism (HA) on the outcomes of ovulation induction (OI) using gonadotropin and intrauterine insemination (IUI) in patients with polycystic ovary syndrome (PCOS). Methods: This was a retrospective cohort study including 415 patients undergoing OI using gonadotropin and IUI treatment between January 2018 and December 2020 at a single infertility center. Baseline characteristics, clinical and laboratory parameters, and pregnancy outcomes were investigated. Results: Among the study population, there were 105 hyperandrogenic (25.3%) and 310 non-hyperandrogenic patients (74.7%). The live birth rate was lower in the HA group than in the non-HA group, but this difference did not reach statistical significance due to the limited sample size (14.3% vs. 21.0%, relative risk=0.68; 95% CI, 0.41-1.14, p=0.153). No predictive factors for live birth were identified through logistic regression analysis. Conclusion: HA did not negatively affect the outcomes of OI using gonadotropin and IUI cycles in Vietnamese women with PCOS. The result may not be applicable elsewhere due to the large variation in the characteristics of women with PCOS across races and populations.
Mesenchymal Stem Cell Transplantation for Ischemic Diseases: Mechanisms and Challenges
Van Nguyen Thi-Tuong,Vu Ngoc Bich,Van Pham Phuc 한국조직공학과 재생의학회 2021 조직공학과 재생의학 Vol.18 No.4
Ischemic diseases are conditions associated with the restriction or blockage of blood supply to specific tissues. These conditions can cause moderate to severe complications in patients, and can lead to permanent disabilities. Since they are blood vessel-related diseases, ischemic diseases are usually treated with endothelial cells or endothelial progenitor cells that can regenerate new blood vessels. However, in recent years, mesenchymal stem cells (MSCs) have shown potent bioeffects on angiogenesis, thus playing a role in blood regeneration. Indeed, MSCs can trigger angiogenesis at ischemic sites by several mechanisms related to their trans-differentiation potential. These mechanisms include inhibition of apoptosis, stimulation of angiogenesis via angiogenic growth factors, and regulation of immune responses, as well as regulation of scarring to suppress blood vessel regeneration when needed. However, preclinical and clinical trials of MSC transplantation in ischemic diseases have shown some limitations in terms of treatment efficacy. Such studies have emphasized the current challenges of MSC-based therapies. Treatment efficacy could be enhanced if the limitations were better understood and potentially resolved. This review will summarize some of the strategies by which MSCs have been utilized for ischemic disease treatment, and will highlight some challenges of those applications as well as suggesting some strategies to improve treatment efficacy.
Nguyen Thi Mai Tho,Bui The Huy,Dang Nguyen Nha Khanh,Ho Nguyen Nhat Ha,Vu Quang Huy,Ngo Thi Tuong Vy,Do Manh Huy,Duong Phuoc Dat,Nguyen Thi Kim Phuong 한국화학공학회 2018 Korean Journal of Chemical Engineering Vol.35 No.12
Novel highly active visible-light photocatalysts in the form of zinc bismuth oxide (ZnBi2O4) and graphite hybrid composites were prepared by coupling via a co-precipitation method followed by calcination at 450 oC. The asprepared ZnBi2O4-graphite hybrid composites were tested for the degradation of rhodamine B (RhB) solutions under visible-light irradiation. The existence of strong electronic coupling between the two components within the ZnBi2O4- graphite heterostructure suppressed the photogenerated recombination of electrons and holes to a remarkable extent. The prepared composite exhibited excellent photocatalytic activity, leading to more than 93% of RhB degradation at an initial concentration of 50mg·L1 with 1.0 g catalyst per liter in 150min. The excellent visible-light photocatalytic mineralization of ZnBi2O4-1.0graphite in comparison with pristine ZnBi2O4 could be attributed to synergetic effects, charge transfer between ZnBi2O4 and graphite, and the separation efficiency of the photogenerated electrons and holes. The photo-induced h+ and the superoxide anion were the major active species responsible for the photodegradation process. The results demonstrate the feasibility of ZnBi2O4-1.0graphite as a potential heterogeneous photocatalyst for environmental remediation.
Manivasagan, Panchanathan,Jun, Seung Won,Nguyen, Van Tu,Truong, Nguyen Thanh Phong,Hoang, Giang,Mondal, Sudip,Santha Moorthy, Madhappan,Kim, Hyehyun,Vy Phan, Thi Tuong,Doan, Vu Hoang Minh,Kim, Chang-S The Royal Society of Chemistry 2019 Journal of materials chemistry. B, Materials for b Vol.7 No.24
<P>The development of a new generation of multifunctional nanomaterials as a drug delivery system for chemo-photothermal therapy is of great necessity. In this study, we first prepared folic acid-conjugated and doxorubicin-loaded chitosan oligosaccharide encapsulated gold nanorods (FA-COS-TGA-GNRs-DOX) as a new photothermal agent for the delivery of drugs and heat to tumor areas. FA-COS-TGA-GNRs-DOX nanomaterials combine the advantages of COS, GNRs, FA, TGA, and DOX and have excellent biocompatibility, strong absorbance in the near-infrared (NIR) region, photostability, photothermal conversion efficiency, high targeting efficiency, fast drug release under laser irradiation, and tumor cell killing efficiency. FA-COS-TGA-GNRs-DOX exhibited significantly greater cell killing after laser irradiation. The intracellular uptake behavior of the targeted FA-COS-TGA-GNRs-DOX was confirmed by flow cytometry, two-photon fluorescence microscopy (TPFM), and confocal laser scanning microscopy (CLSM). More interestingly, the tumors in the presence of FA-COS-TGA-GNRs-DOX under laser irradiation were efficiently ablated and did not recur, showing an outstanding combined therapy of tumors. The combination of photothermal therapy (PTT) and photoacoustic imaging (PAI) could accurately locate and fully destroy tumor tissues after the intravenous injection of FA-COS-TGA-GNRs-DOX. Hence, this work offers a new avenue to develop a novel class of multifunctional nanomaterials as a drug delivery system for cancer therapy.</P>