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TRAN VAN HOA 한국경제연구학회 2004 Korea and the World Economy Vol.5 No.2
The Korean economy had achieved economic ‘miracles’ in the past, but it currently faces many challenges, economically and politically (Tran Van Hoa, 2002), compounded by a global economic slowdown with hesitant recovery (IMF, 2004), terrorist attacks, regional wars, the SARS and avian flu outbreaks in Asia, and domestic and global uncertainty ahead. The paper introduces the extended gravity theory to construct a simple flexible simultaneous-equation econometric model of Korea trade and growth with its major trading partners, and provides efficient empirical results on its trade-growth causality and trade determination over the past two decades. Based on these findings, economic policy challenges are then targeted for study and solution development.
Measuring Growth-CO2 Emission Trade-offs for Climate Change Responses and Compensation Policies
Tran Van Hoa 한국경제연구학회 2011 Korea and the World Economy Vol.12 No.2
In response to growing concerns about global warming and climate change, numerous energy scenario or CGE models have been developed worldwide to provide alerts, mitigation, adaptation, financial and sustainability policy options (IPCC, 2010; UNFCCC, 2010). In the case of Korea, limited work on national action plans and mitigation policies has also been reported (Oh, 2008; Yoo, 2008). However, rigorous economic analysis of the trade-off between CO2 emissions and economic growth for credible climate change policies is still limited globally (Stern, 2004; Ruijven et al., 2008). To improve analysis, debate and policies in this field with Korea as a special case-study, the paper develops a new top down endogenous growth-CO2 multi-equation model with an endogenous environmental Kuznets curve to provide robust empirical findings on the trade-off and subsequent credible responses and compensation policies. The outcomes are useful to global warming researchers, climate change negotiators, and national policy-makers.
Japan’s ODA in Globally Integrated CLMV Economies
Tran Van Hoa,Kitti Limskul 한국경제연구학회 2017 Korea and the World Economy Vol.18 No.3
The CLMV (Cambodia, Laos, Myanmar and Vietnam) countries have globally integrated in recent years achieving high growth and increasing living standard that are attributable to expanded trade and FDI and especially ODA. To complement other studies on CLMV growth and development causality from an empirical perspective, the paper develops a new economic integration model of endogenous growth to study specifically the impact of Japan’s ODA on trade and growth in the CLMV countries. The model is then applied to each of the four CLMV countries to investigate the impact of Japan’s ODA, openness, and FDI on its growth and trade. The purpose is to provide useful input to support evidence-based policy analysis of ODA, development, trade, and FDI in these countries to meet United Nations 2015 sustainable development goals. The approach and findings are particularly relevant to new emerging donors in Asia such as China and Thailand and especially Korea where outgoing foreign aid has greatly increased since 1987 reaching USD1,915.25m in 2015.
Van Hoa, Nguyen,Quyen, Tran Thi Hoang,Nghia, Nguyen Huu,Van Hieu, Nguyen,Shim, Jae-Jin Elsevier 2017 Journal of alloys and compounds Vol.702 No.-
<P><B>Abstract</B></P> <P>Hierarchical flower-like V<SUB>2</SUB>O<SUB>5</SUB> growth on graphene and nickel foam electrodes was fabricated by using chemical vapor deposition and hydrothermal methods for electrochemical capacitors. Taking advantages of the high conductivity of graphene, high capacitance of well-defined V<SUB>2</SUB>O<SUB>5</SUB> flower-like structure and open framework of three-dimensional nickel foam, the resulting electrodes exhibited rapid electron and ion transport, large electroactive surface area, and excellent structural stability. The specific capacitance was as high as 1235 F g<SUP>−1</SUP> at a current density of 2 A g<SUP>-1</SUP>, suggesting its potential as a high performance electrode for supercapacitors.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Hierarchical flower-like V2O5/graphene/nickel foam electrodes was fabricated. </LI> <LI> The electrodes exhibited rapid electron and ion transport, large electroactive surface area. </LI> <LI> The specific capacitance was as high as 1235 A g−1 at a current density of 2 A g−1. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Chemical Constituents of the Leaves of Glochidion obliquum and Their Bioactivity
Tran Dinh Thang,Ping-Chung Kuo,Chun-Shu Yu,Yuh-Chiang Shen,Le Thi Mai Hoa,Tran Van Thanh,Yao-Haur Kuo,Mei-Lin Yang,Tian-Shung Wu 대한약학회 2011 Archives of Pharmacal Research Vol.34 No.3
A new flavonoid glycoside, globlin A (1), and eleven known compounds were isolated from methanolic extracts of the leaves of Glochidion obliquum. The structure of this new compound was established with a combination of 2D NMR techniques (COSY, NOESY, HMQC and HMBC) and HR-ESI-MS analyses. Chemical structures of the other known compounds were identified by comparison of their spectroscopic and physical data with those reported in the literature. Some of the isolates were examined for their bioactivities. Among the tested compounds, rotundic acid (4) displayed significant cytotoxicity and anti-inflammatory activities.
Tran, Duy Thanh,Hoa, Van Hien,Tuan, Le Huu,Kim, Nam Hoon,Lee, Joong Hee Elsevier 2018 Biosensors & bioelectronics Vol.119 No.-
<P><B>Abstract</B></P> <P>A three-dimensional hierarchical nanohybrid based on Cu-Au bimetallic nanocrystals integrated carbon nanotube arrays vertically grown on carbon spheres was successfully developed as an active platform for sensing application. Such nanohybrid can provide abundant active sites and act as an exceptional platform for immobilizing highly dense and well-dispersed carcinoembryonic antibody (anti-CEA) to sensitively detect CEA, an emerging biomarker of various cancer diseases. Due to the unique nanoarchitecture with altered electronic structure of Cu-Au bimetallic catalyst and enhanced interactions between components, such nanohybrid based biosensor demonstrated excellent electrochemical performance towards CEA detection with great sensitivity, wide linear detection range (0.025–25 ng/mL), very low limit of detection (0.5 pg/mL), and good selectivity. The results imply that this sensor has great potential to offer essential information for cancer diagnosis and management with great clinical importance.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A 3D hierarchical Cu-Au nanocrystal integrated CNTs was grown on carbon sphere. </LI> <LI> The hybrid showed a wide linear detection range (0.025–25 ng/mL) and low detection limit (0.5 pg/mL). </LI> <LI> The hybrid showed good reproducibility and accurate detection of CEA in human serum. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>