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Do Thu Trang,Nguyen Thi My Hanh,Vu Thu Trang 대외경제정책연구원 2016 East Asian Economic Review Vol.20 No.1
Vietnam’s “Doi Moi”, initiated in 1986, translated to high economic growth and rapid urbanization for the country, but also widened the gap between rural and urban areas. Vietnam’s National Target Program on New Rural Development for 2010- 2020 was aimed at developing the rural economy and improving the living standards of rural people, but after five years the urban-rural gap remains substantial. Two of the main reasons are the lack of investment capital and lack of effective ways to mobilize community involvement. In contrast, during the 1970s, rural areas in Korea experienced huge improvements under the “Saemaul Undong” movement. The program’s success at promoting sustainable development in Korea’s rural areas has inspired rural programs in other developing countries. In this paper, we compare and contrast the two movements to provide explanations for the different results between the two countries. Based on this analysis, and policy implications stemming from it, we recommend resource mobilization strategies to change villagers’ attitude and increase their involvement in Vietnam’s rural development movement, aligning with the inclusivity principle “people know, people discuss, people do and people check”.
Trang Nguyen Thi Kieu,Phuong Thao Dao Vu,Nguyet Nguyen Thi,Dien Nguyen Dac,Van Hoang Nhu,Van Thu Vu,Tran Manh Trung,Pham Hung Vuong,Tam Phuong Dinh 한국물리학회 2024 Current Applied Physics Vol.63 No.-
Gold nanoflowers (AuNF) were synthesized on a glassy carbon electrode via a one-step, eco-friendly protocol in deep eutectic solvent (DES) of choline choloride and urea, called reline, for label-free detection of DNA hybridization. DES is eco-friendly, low-cost, biocompatible, and nontoxic, and it can be used as an electrolyte to synthesize nanomaterials by using the electrochemical method. In this protocol, highly branched and stable AuNFs were obtained without using any surfactants for DNA sensor application. The electrochemical performance of the AuNF-modified electrode was studied by cyclic voltammetry and electrochemical impedance spectroscopy. Under optimal conditions, the AuNF-based DNA biosensor exhibited a sensitivity of 294.9 Ω nM−1cm−2 and 218 μA nM−1cm−2 and a limit of detection (LOD) of 10−9 M. The remarkable sensitivity and low LOD could be attributed to the good conductivity of AuNFs for accelerating electron transfer, resulting in obvious signal amplification. The DNA biosensor showed good reproducibility (RSD <3.65 %) and acceptable stability and selectivity. Its excellent performance in DNA detection suggested that the proposed electrochemical DNA sensor has great application potential in clinical diagnosis.
Discovery of cycloartane-<i>type</i> triterpene saponins from <i>Mussaenda glabra</i>
Thu, Vu Kim,Bach, Nguyen Xuan,Anh, Luu The,Trang, Do Thi,Nhiem, Nguyen Xuan,Tai, Bui Huu,Van Kiem, Phan,Van Minh, Chau,Park, SeonJu,Seo, Yohan,Namkung, Wan,Kim, Seung Hyun Elsevier 2019 PHYTOCHEMISTRY LETTERS Vol.33 No.-
<P><B>Abstract</B></P> <P>Five new cycloartane saponins, mussaglaosides A–E (<B>1</B>–<B>5</B>) together with five known saponins, mussaendoside O, mussaendoside, G mussaendoside U, mussaendoside P, and mussaendoside Q (<B>6</B>–<B>10</B>) were isolated from the leaves of <I>Mussaenda glabra.</I> Their structures were determined on the basis of extensive spectroscopic methods, including 1D-, 2D-NMR, and MS data. All compounds were evaluated for ANO1 inhibitory activity using calcium-activated chloride channel and YFP expressing HT29 cells. Among the tested compounds, compound <B>6</B> strongly inhibited chloride channel activity with IC<SUB>50</SUB> value of 22.0 ± 1.7 μM without any cytotoxicity.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Five new cycloartane saponins, mussaglaosides A–E (<B>1</B>–<B>5</B>) were isolated from <I>Mussaenda glabra</I>. </LI> <LI> The structures were successfully determined by spectroscopic evidence. </LI> <LI> Compound <B>6</B> strongly inhibited chloride channel activity (IC<SUB>50</SUB> value of 22.0 ± 1.7 μM). </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Kil-jun Lee,Vu Thi Thu Trang,Mohamed Bayome,Jae Hyun Park,Yong Kim,Yoon-Ah Kook 대한치과교정학회 2013 대한치과교정학회지 Vol.43 No.6
Objective: This study was aimed at comparing the mandibular arch forms of Korean and Vietnamese patients by using facial axis (FA) points on threedimensional (3D) models. Methods: Mandibular casts of 68 Korean (Class I malocclusion, 30; Class II malocclusion, 38) and 78 Vietnamese (Class I malocclusion, 41; Class II malocclusion, 37) patients were scanned in their occluded positions and grouped according to arch form (tapered, ovoid, and square). The FA point of each tooth was digitized on the 3D mandibular models. The measurements and frequency distributions of the arch forms were compared between the ethnic groups. Results: The Vietnamese patients had significantly greater intercanine depth and intercanine and intermolar width-to-depth ratios than the Korean patients (p < 0.05). The frequency distributions of the arch forms were also significantly different (p = 0.038), but no sexual dimorphism was found. Conclusions: Vietnamese people tend to have deeper and wider arches than Korean people. The three arch forms are evenly distributed in Korean people, but Vietnamese people frequently have square arches. Clinicians should identify the correct arch form of an ethnic group before initiating orthodontic treatment.
국윤아,김혜진,Mohamed Bayome,Park,Vu Thi Thu Trang 대한통합치과학회 2014 대한통합치과학회지 Vol.3 No.1
The purpose of this study was to evaluate the clinical treatment effects of molar distalization with palatal plate using 2 dimensional (2D) cephalograms converted from CBCT. This retrospective clinical study included 20 consecutively treated patients (11 male, 9 female), with an average age of 15±3 years. Cephalometric analysis was made on 2D cephalogram images derived from 3D CBCT. Skeletal, dental, and soft tissue measurements were evaluated. Through the use of palatal plate, clinically successful distalization of maxillary molars was achieved. Statistically significant changes in molars positions were observed between T1 and T2 (before and after the distal movement). The first molar and second premolar distalization were 3.98±1.23 mm and 1.17±3.54 mm with distal tipping of 3.17±4.97°and 3.21±2.86°, respectively. Moreover, the incisors were retracted 3.12±3.24 mm, with 10.31±4.98°of tipping and 1.75±1.54 mm of extrusion. All skeletal changes during treatment were not significant. The upper and lower lips were retracted 1.57 and 1.49 mm respectively. The palatal plate could be a valid clinical option for efficient distalization of the maxillary first molars in Class II patients.
Do Van Cong,Nguyen Thi Thu Trang,Nguyen Vu Giang,Tran Huu Trung,Nguyen Thuy Chinh,Mai Duc Huynh,Thai Hoang,Jun Seo Park(박준서) 한국고분자학회 2016 폴리머 Vol.40 No.3
This study describes the preparation and characterization of nanocomposites obtained by melt-mixing of poly (ethylene-co-vinyl acetate) (EVA), polylactic acid (PLA), and TiO₂ nanoparticles (TNPs) via three different methods of direct mixing, one-step, and two-step methods. Vinyltrimethoxysilane was used as a surface modifier for the TNPs. The one-step method showed the best suitability for the preparation of EVA/PLA/TiO₂ nanocomposites. The increase in torque and the adhesion of the TNPs with EVA/PLA matrix in these nanocomposites showed enhanced interfacial interactions between EVA, PLA chains, and TNPs. The tensile strength, Young’s modulus, dynamic storage modulus, and thermooxidative stability of the one-step prepared nanocomposites were higher than those of two other nanocomposites and that of the EVA/PLA blend, reaching maximum values at 2.0 wt% of TNPs.
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.