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Correlates of physical activity in fifth-grade students in Ho Chi Minh City,Vietnam

Sports Medicine and Health Science 2020年第1期2卷 33-37页

作者： Quyen G.To Danielle Gallegos Dung V.Do hanh tm.tran Kien G.To Lee Wharton Stewart G.Trost Appleton Institute School of HealthMedical and Applied SciencesCentral Queensland UniversityAustralia School of Exercise and Nutrition Sciences Queensland University of TechnologyBrisbaneAustralia School of Exercise and Nutrition Sciences Institute for Health and Biomedical Innovation at QLD Centre for Children's Health ResearchQueensland University of TechnologyBrisbaneAustralia Faculty of Public Health University of Medicine and Pharmacy at Ho Chi Minh CityViet Nam Nutrition Center Ho Chi Minh CityViet Nam

Studies investigating correlates of physical activity(PA)using objective PA measurements among primary schoolaged children are limited in Asia,particularly *** study examined psychosocial and environmental factors associated with PA among fifth-grade students in eight primary schools in Ho Chi Minh city,*** analyses showed that for every month increase in students’age,an increase of 66 steps/day(p<0.05)was found;boys had 1442 more steps/day than girls(p<0.001);and students from lower income households had 1169 steps/day less than those from higher income households(p<0.01).For every unit increase in self-efficacy,perceived social influences,intention to be physically active,and parental support for PA,an increase of 220,200,522,and 117 steps/day(p<0.01)was found *** multivariable analysis,only intention and parental support for PA remained significant(p<0.01).About 21%of variation in daily steps was explained by demographic characteristics and an additional 13%by psychosocial *** conclusion,intention to be physically active and parental support are important factors and should be considered when designing PA interventions in school/community-based settings.

关键词： Exercise Primary school Psychosocial Environmental Parental support

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Psychometric properties of questionnaires to measure social ecological influences in Vietnamese children

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Sports Medicine and Health Science 2019年第1期1卷 40-43页

作者： Quyen G.To Danielle Gallegos Dung V.Do hanh tm.tran Kien G.To Lee Wharton Stewart G.Trost School of Exercise and Nutrition Sciences Queensland University of TechnologyBrisbaneAustralia School of Exercise and Nutrition Sciences Institute for Health and Biomedical Innovation at QLD Centre for Children's Health ResearchQueensland University of TechnologyBrisbaneAustralia Faculty of Public Health University of Medicine and PharmacyHo Chi Minh CityVietnam Nutrition Center Ho Chi Minh CityVietnam

Physical activity data in primary school-aged children are limited in *** tools to measure social ecological influences on physical activity are validated in English,they are not available in *** to cultural and contextual differences,their psychometric properties need to be *** scales were translated into Vietnamese and evaluated for internal consistency and test re-test reliability,including self-efficacy,perceived social influences,and beliefs self-administered by students,and parental support for physical activity and parental perceived safety of the neighbourhood,self-administered by *** to the original scales,two items from the parental perceived neighbourhood safety were removed due to the cultural *** item of the self-efficacy scale was also removed as it correlated poorly with the other items in the scale at both *** adjusted scales were found to be reliable and appropriate for use among students and parents to measure social ecological influences on physical activity in the Vietnamese context.

关键词： Physical activity Exercise Social ecological influence Ho Chi Minh city Elementary school

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Effects of Silicon-Based Fertilizer on Growth, Yield and Nutrient Uptake of Rice in Tropical Zone of Vietnam

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Rice science 2017年第5期24卷 283-290页

作者： tran Xuan CUONG Hayat ULLAH Avishek DATTA tran Cong hanh Department of Food Agriculture and Bioresources School of Environment Resources and Development Asian Institute of Technology Pathum Thani 12120 Thailand Department of Soil Science Faculty of Agriculture Forestry and Fishery Hong Duc University Dong Ve Thanh Hoa 440000 Vietnam

Application of silicon(Si) could greatly boost rice yield and mitigate abiotic stress,especially drought.A field experiment was conducted during 2015 at the research farm of Hong Duc University,Thanh Hoa City,Vietnam,to evaluate the effects of five different combined doses of standard fertilizer practice and Si fertilizer on growth,yield and yield components,as well as nutrient uptake of *** treatments consisted of the recommended dose of fertilizer(RDF,110 kg/hm^2 N + 90 kg/hm^2 P_2O_5 + 80 kg/hm^2 K_2O) as the control,RDF + 100 kg/hm^2 SiO_2,RDF + 200 kg/hm^2 SiO_2,RDF + 300 kg/hm^2 SiO_2 and RDF + 400 kg/hm^2 SiO_*** results showed that the growth,grain and straw yields as well as yield components(number of grains per panicle,seed-setting rate and 1000-grain weight) were significantly affected by Si *** highest grain yield of 3 705 kg/hm^2 was obtained with the highest level of Si fertilizer in combination with RDF(RDF + 400 kg/hm^2 SiO_2),however,it was statistically at par with the yields obtained with RDF + 300 kg/hm^2 SiO_2(3 664 kg/hm^2) and RDF + 200 kg/hm^2 SiO_2(3 621 kg/hm^2).The optimum dose of Si fertilizer with maximized grain yield(3 716 kg/hm^2) was 329 kg/hm^2 SiO_*** nutrient(Si,N,P and K) uptakes of rice were also significantly enhanced by Si *** application at the level of 329 kg/hm^2 along with RDF would help in the sustainable production of rice in the tropical zone of Vietnam.

关键词： silicon yield nutrient uptake standard fertilizer practice rice fertilizer

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Treatment for COVID-19 patients in Vietnam: Analysis of time-to-recovery

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Asian Pacific Journal of Tropical Medicine 2020年第9期13卷 397-401页

作者： Khuong Quynh Long Hoang Hong hanh tran Thi Tuyet hanh La Ngoc Quang Hoang Van Minh Hanoi University of Public Health 1A Duc Thang RoadDuc Thang WardNorth Tu Liem DistrictHanoiVietnam

Objective:To describe the recovery time and related factors among COVID-19 patients in ***:We used the secondary data obtained from the official database of the Ministry of Health of Vietnam and other public data sources that were available by April 9 th,*** proportional hazards model was carried out to identify factors related to recovery time among COVID-19 ***:By April 9 th,2020,the cumulative number of COVID-19 cases detected in Vietnam was 255,of which 129(50.6%)patients had fully *** median recovery time of patients was 17(95%CI=16-19)*** patients had a lower likelihood of recovery(HR=0.98,95%CI=0.97-0.99,P<0.001),whereas patients with a history of international incoming travel had a higher likelihood of recovery(HR=1.57,95%CI=1.03-2.40,P=0.036).There was no statistically significant difference in the recovery time of patients treated in different hospital ***:More attention is needed for older patients and who did not have international travel *** confirmed with COVID-19 could be treated at local health facilities to avoid unnecessary referrals and burdens to specialized hospitals at the central level.

关键词： COVID-19 Coronavirus Recovery Vietnam

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Optimization, equilibrium, adsorption behavior and role of surface functional groups on graphene oxide-based nanocomposite towards diclofenac drug

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Journal of Environmental Sciences 2020年第7期32卷 137-150页

作者： Thuan Van tran Duyen Thi Cam Nguyen hanh TNLe Dai-Viet NVo Sonil Nanda Trinh Duy Nguyen Nguyen Tat Thanh Hi-Tech Institute Nguyen Tat Thanh UniversityHo Chi Minh City 755414Viet Nam Center of Excellence for Green Energy and Environmental Nanomaterials(CE@GrEEN) Nguyen Tat Thanh UniversityHo Chi Minh City 755414Viet Nam Institute of Hygiene and Public Health Ho Chi Minh City 700000Viet Nam Department of Chemical and Biochemical Engineering University of Western OntarioLondonOntarioCanada

Aquatic contamination of diclofenac(DCF),an emergent non-steroidal anti-inflammatory drug(NSAIDs),can result in adverse effects to many ecosystems through ***,introducing effective remediation techniques to sequester the pharmaceutical wastes is highly fundamental to prevent their accumulation in the ***,adsorption has been presented as a green and efficient ***,we report the characterization and application of the novel magnetic nanocomposite(GO@CoFe2O4)derived from cobalt-based ferrite(CoFe2O4)and graphene oxide(GO)for DCF *** the optimization procedure,the response surface methodology(RSM)was adopted to investigate the impacts of DCF concentration(1.6-18.4 mg/L),DCF dosage(0.08-0.92 g/L),and solution pH(2.6-9.4)to find the optimum conditions for DCF removal,at 10.5 mg/L,0.74 g/L,and pH 4,*** the adsorption experiments,the kinetic,isotherm,thermodynamic,and intraparticle diffusion models were systematically ***,we have elucidated the role of functional groups on the surface of GO@CoFe2O4 in enhancing the adsorption of DCF *** good removal efficiency(up to 86.1%),high maximum adsorption capacity(32.4 mg/g),GO@CoFe2O4 can be a potential candidate to eliminate DCF drug from water.

关键词： Diclofenac sodium Graphene oxide Magnetic nanocomposite Response surface methodology Pharmaceuticals adsorption

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Morphological Change in the Northern Red River Delta,Vietnam

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Journal of Ocean University of China 2018年第6期17卷 1272-1280页

作者： BUI Vuong Van FAN Daidu NGUYEN Dac Ve tran Dinh Lan tran Duc Thanh HOANG Van Long NGUYEN Thi Hong hanh Institute of Marine Environment and Resources Vietnam Academy of Science and TechnologyHaiphong 18000Vietnam State Key Laboratory of Marine Geology Tongji UniversityShanghai 200092China Hanoi University of Mining and Geology Hanoi 10000Vietnam Graduate University of Science and Technology Vietnam Academy of Science and TechnologyHanoi 10000Vietnam

Coastal erosion has become a worldwide concern, typically in the densely populated Asian mega-river deltas. Severe coastal erosion in the southern Red River Delta(RRD) has been intensively studied. Coastal morphological change in the northern RRD was examined in detail through DEM(Digital Elevation Model) analysis based on time series of bathymetrical maps(1965–2004) and Landsat images(1975–2015) in this study. The results show that the northern RRD is featured by rapid coastal accretion in the past few decades, although suspended sediment flux has dropped by roughly 60% after the completeness of Hoa Binh Dam(HBD) in 1988 and relative sea level rose at 1.9 mm yr^(-1). However, accretion at the outer part of subtidal shoals and platforms was observed to slow down quickly or even turned into erosion in the last two decades. The resuspended sediments from the erosion zone can be transported landward to replenish the inner coastal zone, keeping the latter accretion in the near future to compensate for the sediment discharge decrease from the river. However, this lag effect should be terminated soon if other adverse effects go worse, e.g., damming rivers, sea-level rising, strengthening storms, land reclamation and other poor-designed coastal engineering. Coastal planners and managers should pay full attention to these changes.

关键词： Morphological change DEM coastal erosion coastal engineering coastal management tide-dominated Red River Delta

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Anti-inflammatory effects of fatty acids isolated from Chromolaena odorata

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Asian Pacific Journal of Tropical Medicine 2011年第10期4卷 760-763页

作者： tran Thi Hong hanh Dan Thi Thuy Hang Chau Van Minh Nguyen Tien Dat Institute of Marine Biochemistry Vietnam Academy of Science and Technology(VAST)

Objective:To identify inhibitors of nitric oxide production and NF-κB activity from Chromolaena odorata（***）.Methods:The compounds isolated from the aerial parts of *** by bioassay-guided fractionation were investigated for their inhibitory effects on the NO production and NF-κB activity in LPS-stimulated RAW264.7 ***:Six fatty acids （S）-coriolic acid（1）,（S）-coriolic acid methyl ester（2）,（5）-15,16-didehydrocoriolic acid（3）,（S）- 15,16-didehydrocoriolic acid methyl ester（4）,linoleamide（5） and linolenamide（6） were isolated. All compounds inhibited the NO production at concentrations consistent with those required for NF-κB *** 2 was the most active with the IC50 values of 5.22 and 5.73μM. The addition of a double bond in the fatty chain decreased the inhibitory effects while the methyl esterification increased the ***:The fatty acid components in *** with NF-κB inhibitory activity could explain the anti-inflammation property of this plant in traditional *** study could also contribute to the better use of *** for human health care.

关键词： Chromolaena odorata Asteraceae Fatty acid NF-κB Nitric oxide

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Investigation of Polymorphisms in Coding Region of OsHKT1in Relation to Salinity in Rice

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Rice science 2016年第6期23卷 334-338页

作者： pham quynh-hoa tran xuan-an nguyen thi-nha-trang tran thi-thuy-anh hoang hai-yen nguyen thi-hong-van tang thi-hanh do thi-phuc Faculty of Biology VNU University of ScienceHanoi334 Nguyen TraiThanh XuanHanoiVietnam Faculty of Agronomy Vietnam National University of AgricultureNgo Xuan Quang StreetTrau QuyGia LamHanoiVietnam

Rice （Oryza sativa） is sensitive to salinity, but the salt tolerance level differs among cultivars,which might result from natural variations in the genes that are responsible for salt tolerance. High-affinitypotassium transporter （HKTs） has been proven to be involved in salt tolerance in plants. Therefore, wescreened for natural nucleotide polymorphism in the coding sequence of OsHKT1, which encodes the HKTprotein in eight Vietnamese rice cultivars differing in salt tolerance level. In total, seven nucleotidesubstitutions in coding sequence of OsHKT1 were found, including two non-synonymous and five synonymoussubstitutions. Further analysis revealed that these two non-synonymous nucleotide substitutions （G50Tand T1209A） caused changes in amino acids （Gly17Val and Asp403Glu） at signal peptide and the loop ofthe sixth transmembrane domain, respectively. To assess the potential effect of these substitutions on theprotein function, the 3D structure of HKT protein variants was modelled by using PHYRE2 webserver. Theresults showed that no difference was observed when compared those predicted 3D structure of HKTprotein variants with each other. In addition, the codon bias of synonymous substitutions cannot clearlyshow correlation with salt tolerance level. It might be interesting to further investigate the functional roles ofdetected non-synonymous substitutions as it might correlate to salt tolerance in rice.

关键词： polymorphism salt stress OsHKT1 gene rice

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The COVID-19 pandemic in the ASEAN: A preliminary report on the spread, burden and medical capacities

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Asian Pacific Journal of Tropical Medicine 2020年第6期13卷 247-251页

作者： Minh Van Hoang Phuong Thi Ngoc Nguyen Thao Thi Phuong tran Long Quynh Khuong An Thi Minh Dao Huy Van Nguyen Riyanti Djalante hanh Thi Tuyet tran Hanoi University of Public Health HanoiVietnam Hanoi Medical University HanoiVietnam Graduate School of Public Health St.Luke's International UniversityTokyoJapan United Nations University-Institute for the Advanced Study of Sustainability(UNU-IAS) TokyoJapan

Objective:To provide preliminary descriptions of the spread,burden and related medical capacity characteristics of the ASEAN ***:We utilized the data from four main official databases,including WHO reports,the Statistics and Research of the Coronavirus Disease,and the Southeast Asia Program of the Center for Strategic and International *** spread of the COVID-19 pandemic,current burden and the COVID-19 medical response capacities were extracted before April 11,***:As of April 13,2020,the ASEAN countries reported19547 COVID-19 positive cases with 817 deaths(case-facility rate of 4.2%).Thailand was the first country in the region that reported having the COVID-19 cases,while Laos was the last to report confirmed COVID-19 *** for the number of deaths to double were between 8-12 *** the testing and treatment capacities,the number of PCR tests provided to the populations was the highest in Vietnam,followed by Singapore,Malaysia,and ***,the percentage of the population being tested was the highest in Brunei(2.31%),followed by Singapore(1.30%).Conclusions:A wide range of interventions were taken into practice in response to the outbreak with an effort of curbing the rise of this ***,special care should not be overlooked as the pandemic is placing a huge impact on the population and becomes increasingly *** tackle the spread of the pandemic in the region,the ASEAN countries should work together as one community to provide better responses to future pandemics and other transboundary public health challenges.

关键词： COVID-19 SARS-CoV-2 ASEAN South-East Asia Epidemiology

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A study implementing real-time PCR to identify Strongyloides species of third-stage larvae in human stool samples from Southern Vietnam

Infectious Medicine

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Infectious Medicine 2023年第3期2卷 229-236页

作者： Le Duc Vinh Nguyen Kim Thach Huynh Hong Quang Do Nhu Binh tran Thi Duc hanh Nguyen Minh Toàn Nguyen Trung Tuyen Nguyen Thu Huong Department of Medical Parasitology Pham Ngoc Thach University of MedicineHo Chi Minh City 700000Vietnam Department of Fundamental Chemistry-Biochemistry Pham Ngoc Thach University of MedicineHo Chi Minh City 700000Vietnam Clinical Epidemiology Research Unit Institute of MalariologyParasitologyand Entomology Quy NhonBinh Dinh 55000Vietnam Department of Infectious Disease Military Hospital 103Hanoi 100000Vietnam Department of Epidemiology Hanoi University of Public HealthHanoi 100000Vietnam Department of Microbiology-Parasitology Hanoi University of Public HealthHanoi 100000Vietnam Department of Medicine University of Medicine and PharmacyVietnam National UniversityHanoi100000 Vietnam

Background:Strongyloidiasis,a neglected disease caused by intestinal nematodes of the genus,is endemic to tropical and subtropical areas such as *** methods only identify the genus,while DNA-molecular techniques are susceptible in Strongyloides *** study aims to determine the prevalence of dominant Strongyloides species among the population in Duc Hoa district,Long An,***:A cross-sectional study used 1190 stool specimens collected from July 2017 to November *** samples were transported within 2 h,stored at 2-8℃,and processed within 48 h for microscopy smear and culture at the Laboratory of Medical Parasitology,Pham Ngoc Thach University of Medicine(PNT).Then all positive samples with the above 2 methods were verified by real-time PCR ***-time PCR amplification was conducted at the Laboratory of Molecular Biology,***:Direct microscopy and modified Harada-Mori culture detected Strongyloides *** in 79/1190 sam-ples(6.6%).About 94.2%of the DNA samples were Strongyloides stercoralis,2.9%were co-infections with Strongy-loides ratti and ***,and 2.9%were patients with *** identity of 12/14 sequences was confirmed as *** with a high level of similarity(91.3%-100%)and over 98%for ***:DNA-molecular techniques and sequence analysis are highly suitable for identifying Strongyloides species isolated from stool *** is remarkable evidence of the presence of zoonosis *** disease in human,not just the known *** is likely to result in a certain proportion of people being infected by this animal-borne infectious pathogen.

关键词： Strongyloidiasis Strongyloides stercoralis Strongyloides ratti DNA-molecular techniques

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