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The Impact of Credit and Stock Market Development on Economic Growth in Asian Countries
Bao K. Q. NGUYEN,Vy T. T. HUYNH,Bao C. N. TO 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.9
The paper has used the Solow-Swan growth model to analyze the long-term impact of credit market development and stock market development on economic growth in Asia from 2000 to 2019. The empirical model is performed with panel cointegration analysis by Common Correlated Effects (CCE) method with cross-sectional dependencies. The results find that there exists a cointegration relationship among stock market, credit market development, and economic growth. These results also show that financial structure improves the exact impact of financial development on economic growth, namely the opposite effect of stock market development and credit market development. Moreover, the Granger causality test reveals a bi-directional relationship between credit market development and economic growth, while only unidirectional causality from stock market development to economic growth for the whole group panel. And it is different for a specific country, according to Kónya’s test. The view of the new structuralism does not apply in the Asian financial system when we estimate the Nonlinear Autoregressive Distributed Lag model (NARDL) to analyze the asymmetric relationship between financial structure and economic growth. On the whole, policymakers can draw on the findings to provide policy implications to improve their country’s financial system as well as pursue the goal of sustainable economic growth.
Phu Tran Tin,Nhan K. H. Nguyen,Minh Q. H. Tran,Hsiao-Yi Lee 한국광학회 2017 Current Optics and Photonics Vol.1 No.4
This paper investigates a method to improve the lighting performance of white light-emitting diodes(WLEDs), which are packaged using two separate remote phosphor layers, a yellow-emitting YAG:Cephosphor layer and a red-emitting α-SrO·3B2O3:Sm2+ phosphor layer. The thicknesses of these two layersare 800 μm and 200 μm, respectively. Both of them are examined in conditions where the averagecorrelated color temperatures (CCT) are 7700 K and 8500 K. For this two-layer model, the concentrationof red phosphor is varied from 2% to 30% in the upper layer, while in the lower layer the yellow phosphorconcentration is kept at 15%. It was found interestingly that the lighting properties such as color renderingindex (CRI) and luminous flux are enhanced significantly, while the color uniformity is maintained ina relatively close range to the one of one-layer configuration (measured at the same correlated colortemperature). Besides, the transmitted and reflected light of each phosphor layer are revised by combiningKubelka-Munk and Mie-Lorenz theories. Through analysis, it is demonstrated that the packagingconfiguration of two-layer remote phosphor that employs red-emitting α-SrO·3B2O3:Sm2+ phosphor particlesprovides a practical solution for general WLEDs lighting.
Nguyen, Phuong T. K.,Nguyen, Huong T. D.,Pham, Hung Q.,Kim, Jaheon,Cordova, Kyle E.,Furukawa, Hiroyasu American Chemical Society 2015 Inorganic Chemistry Vol.54 No.20
<P>Four crystalline, porous metal–organic frameworks (MOFs), based on a new hexatopic linker, 1′,2′,3′,4′,5′,6′-hexakis(4-carboxyphenyl)benzene (H<SUB>6</SUB>CPB), were synthesized and fully characterized. Interestingly, two members of this series exhibited new topologies, namely, <B>htp</B> and <B>hhp</B>, which were previously unseen in MOF chemistry. Gas adsorption measurements revealed that all members exhibited high CO<SUB>2</SUB> selectivity over N<SUB>2</SUB> and CH<SUB>4</SUB>. Accordingly, breakthrough measurements were performed on a representative example, in which the effective separation of CO<SUB>2</SUB> from binary mixtures containing either N<SUB>2</SUB> or CH<SUB>4</SUB> was demonstrated without any loss in performance over three consecutive cycles.</P><P>The synthesis of metal−organic frameworks (MOFs) using multicarboxylate linkers has afforded new materials with unique structural features and interesting intrinsic properties. Accordingly, we prepared a new hexacarboxylate linker, and through one-pot solvothermal reactions, four new crystalline MOFs were constructed. All members exhibited selective CO<SUB>2</SUB>-capture properties, and a representative example was demonstrated to effectively separate CO<SUB>2</SUB> from binary gas mixtures containing N<SUB>2</SUB> or CH<SUB>4</SUB>.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/inocaj/2015/inocaj.2015.54.issue-20/acs.inorgchem.5b01900/production/images/medium/ic-2015-01900p_0001.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ic5b01900'>ACS Electronic Supporting Info</A></P>
Nguyen, T.H.,Than, V.T.,Thanh, H.D.,Nguyen, V.Q.,Nguyen, K.H.,Nguyen, D.T.,Park, J.H.,Chung, I.S.,Jeong, D.G.,Chang, K.T.,Oh, T.K.,Kim, W. Pergamon Press 2015 Comparative immunology, microbiology and infectiou Vol.42 No.-
In Vietnam, highly pathogenic avian influenza (HPAI), such as that caused by H5N1 viruses, is the most highly contagious infectious disease that has been affecting domestic poultry in recent years. Vietnam might be an evolutionary hotspot and a potential source of globally pandemic strains. However, few studies have reported viruses circulating in the south-central region of Vietnam. In the present study, 47 H5N1-positive samples were collected from both vaccinated and unvaccinated poultry farms in the South Central Coast region of Vietnam during 2013-2014, and their genetic diversity was analyzed. A common sequence motif for HPAI virus was identified at HA-cleavage sites in all samples: either RERRRKR/G (clades 2.3.2.1c and 2.3.2.1a) or REGRRKKR/G (clade 1.1.2). Phylogenetic analysis of HA genes identified three clades of HPAI H5N1: 1.1.2 (n=1), 2.3.2.1a (n=1), and 2.3.2.1c (n=45). The phylogenetic analysis indicated that these Vietnamese clades may have evolved from Chinese and Cambodian virus clades isolated in 2012-2013 but are less closely related to the clades detected from the Tyva Republic, Bulgaria, Mongolia, Japan, and Korea in 2009-2011. Detection of the coexistence of virus clades 2.3.2.1 and the very virulent 1.1.2 in the south-central regions suggests their local importance and highlights concerns regarding their spread, both northwards and southwards, as well as the potential for reassortment. The obtained data highlight the importance of regular identification of viral evolution and the development and use of region-specific vaccines.
Antiviral phenolics from the leaves of Cleistocalyx operculatus
Ha, T.K.Q.,Dao, T.T.,Nguyen, N.H.,Kim, J.,Kim, E.,Cho, T.Oh.,Oh, W.K. Elsevier 2016 Fitoterapia Vol.110 No.-
<P>During the screening program for anti-influenza agents from medicinal plants, the ethanolic extract of Cleistocalyx operculatus leaves was found to exhibit potential neuraminidase (NA) inhibitory activity. Bioassay directed fractionation led to the isolation of two new acetophenones (1 and 2) and one new flavanone (3), along with six known compounds (4-9). The structures of all isolated compounds were elucidated using various spectroscopic methods and through comparison with the previous literature. Compounds 6 and 8 exhibited strong enzymatic inhibition on various neuraminidases from different influenza viruses, including H1N1, H9N2, novel H1N1, and oseltamivir-resistant novel H1N1 (H274Y mutation) expressed in HEM293 cells (IC50 values ranging from 5.07 +/- 0.94 mu M to 9.34 +/- 2.52 mu M, respectively). Kinetic experiments revealed the non-competitive inhibitory mode of both compounds 6 and 8. Furthermore, these flavonoids reduced the cytopathic effect of the H1N1 virus in MDCK cells. The present study suggests the potential of two flavonoids (6 and 8) as new lead compounds for the development of novel NA inhibitors in the future. (C) 2016 Elsevier B.V. All rights reserved.</P>