VNU-UET Repository: No conditions. Results ordered -Date Deposited. 2024-03-29T08:16:01ZEPrintshttp://eprints.uet.vnu.edu.vn/images/sitelogo.pnghttps://eprints.uet.vnu.edu.vn/eprints/2023-06-15T04:10:11Z2023-06-15T04:10:11Zhttp://eprints.uet.vnu.edu.vn/eprints/id/eprint/4821This item is in the repository with the URL: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/48212023-06-15T04:10:11ZEffects of Led Light Intensityand Carbon Dioxide Concentration on the Growthof Spinach (Spinacia oleracea L.) in a Plant FactoryIn this study, the effects of light intensity and the carbon dioxide (CO2) concentration on spinach’s growth during vegetative stage in a plant factory (PF)was investigated. Twoexperiments were conducted with different CO2concentration in closed chamber (500 ppm and 800 ppm). In each experiment, plants were hydroponically grown under three light intensities of L1:115 μmol.m-2s-1, L2: 140 μmol.m-2s-1and L3: 160 μmol.m-2s-1. Growth’s parameters were determined at different growth stages (T30, T37 and T44 respectively to 30, 37 and 44 days after sowing). The results showed that, before 30 days old, the increase of light intensity was not significantly effected to the growth of plant. During later growing periods (30 days old afterward), the increase of light intensity remarkably boost up yield’s related traits such as leaf number, fresh mass and dry mass under 500ppm CO2concentration. At T37, fresh weigh increased 2.1 and2.4 times when increasing light intensity from L1 to L2 and from L1 to L3, respectively.The combination of light intensity and CO2concentration at 800ppm showed the plant growth indicators increased significantly at the T37 and T44 stages (after 30 days old), especially atthe last week of growth period, fresh weight and dry weight of plants were significantly different at the light treatment L2, increased 37.5% and 57.6%, respectively as compared to light treament only. The results suggested that, during latest growing period, the average light intensity of140 μmol.m-2s-1combining with elevating CO2concentration is an alternatively way to enhance spinach growth. The findings of this study could be helpful for growers to improve growthconditions fora better development of spinach in the indoor farming (PF).K.L. Nguyennl.khanh@vnu.edu.vnChau Thuy Phamthuypc@vnu.edu.vn2022-08-22T03:57:06Z2022-08-22T03:57:06Zhttp://eprints.uet.vnu.edu.vn/eprints/id/eprint/4737This item is in the repository with the URL: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/47372022-08-22T03:57:06ZGenome-Wide Identification and Analysis of Genes Encoding
Putative Heat Shock Protein 70 in Papaya (Carica papaya)Background and Objective: In high plants, the 70 kDa heat stress proteins (Hsp70-s) have been regarded as one of the vital components
of the cellular network of chaperones and folding catalysts that play important roles in numerous biological processes during growth and
development. The Hsp70 families have been reported in many plant species, unfortunately, no information on this important protein
family in papaya (Carica papaya). The objective of this study was to provide comprehensive information on the CpHsp70 family in papaya.
Materials and Methods: The CpHsp70 genes in the papaya genome were identified by a basic local alignment search tool against the
papaya genome database by using well-known Arabidopsis Hsp70-s. Sequences were then analyzed by various bioinformatics tools to
investigate the characteristics of the CpHsp70 family. Results: A total of 12 members of the CpHsp70 family has been identified and
characterized in papaya. By using various computational tools, these results revealed that all general characteristics of the CpHsp70 family,
like physic-chemical parameters, gene structure, phylogenetic tree and subcellular localization were provided. The transcriptome atlas
was applied to re-analyze the expression patterns of genes encoding the CpHsp70 family in major tissues/organs during the growth and
development of papaya plants. Conclusion: Results from this work exhibited the characteristics and expression analysis of the CpHsp70
genes of this important tropical fruit crop. Taken together, this study could provide a solid foundation of the CpHsp70 family, which will
be helpful in the construction of stress tolerance in papaya plantsThi Man LeThi Thanh Huyen TranXuan Quyen VuDuc Ha Chucd.ha@vnu.edu.vnChau Thuy PhamThi Ngoc Quynh LeViet Hong Lalaviethong.sp2@gmail.comPhi Bang Cao2022-08-19T05:35:25Z2022-08-19T05:35:25Zhttp://eprints.uet.vnu.edu.vn/eprints/id/eprint/4771This item is in the repository with the URL: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/47712022-08-19T05:35:25ZỨng dụng từ trường trong thúc đẩy sinh trưởng, phát triển và sinh khối của cây trồngThực vật luôn tồn tại và sinh sôi trong điều kiện từ trường (magnetic field, MF) trái đất. Tuy nhiên, cơ chế tác động của từ trường đến thực vật đến nay vẫn chưa được làm sáng tỏ. Bài báo trình bày một cách chi tiết về tác động của từ trường đến sinh trưởng, phát triển và sinh khối của cây trồng. Trong đó, xử lý MF được chứng minh có thể tăng cường hoạt tính của các enzyme phân giải giúp tăng tỷ lệ nảy mầm ở hạt. Xử lý MF cũng giúp kích thích tổng hợp sắc tố ở lá, tăng hiệu quả của quang hợp và hô hấp giúp cây sinh trưởng và phát triển tốt hơn, đồng thời cải thiện được khả năng chống chịu các điều kiện ngoại cảnh bất thuận. Mặc dù vậy, xử lý MF vẫn đặt ra một số câu hỏi liên quan đến độc tính và những tác động môi trường. Tóm lại, bài báo này đã cung cấp một cái nhìn toàn diện về một giải pháp mới trong nghiên cứu sản xuất nông nghiệp bền vững và thân thiện với môi trường.Duc Ha Chucd.ha@vnu.edu.vnViet Hong Lalaviethong.sp2@gmail.comThi Quyen Haquyenht@vnu.edu.vnK.L. Nguyennl.khanh@vnu.edu.vnChau Thuy PhamDang Khoa Trankhoatd@vnu.edu.vnDang Co Nguyencond@vnu.edu.vnDinh Tu BuiHuy Hàm Lêlhham@agi.ac.vn2022-06-21T10:21:31Z2022-06-21T10:21:31Zhttp://eprints.uet.vnu.edu.vn/eprints/id/eprint/4738This item is in the repository with the URL: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/47382022-06-21T10:21:31ZỨng dụng từ trường trong thúc đẩy sinh trưởng, phát triển và sinh khối của cây trồngHuu Kien NguyenDuc Ha Chucd.ha@vnu.edu.vnViet Hong Lalaviethong.sp2@gmail.comThi Quyen Haquyenht@vnu.edu.vnLe Khanh NguyenChau Thuy PhamDang Khoa Trankhoatd@vnu.edu.vnDang Co Nguyencond@vnu.edu.vnDinh Tu Buibuidinhtu@vnu.edu.vnHuy Hàm Lêlhham@agi.ac.vn2021-12-13T03:53:13Z2021-12-13T03:53:13Zhttp://eprints.uet.vnu.edu.vn/eprints/id/eprint/4657This item is in the repository with the URL: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/46572021-12-13T03:53:13ZGENOME-WIDE IDENTIFICATION AND COMPUTATIONAL
CHARACTERIZATION OF THE NUCLEAR FACTOR-YC SUB-UNITS
IN GRAIN AMARANTH (Amaranthus hypochondriacus)Nuclear factor-Y (NF-Y) has been known as one of the plant-specific
transcription factors that play key roles in numerous biological processes during
the growth and development of plant species. In this study, a comprehensive
analysis of NF-YC sub-units in grain amaranth (Amaranthus hypochondriacus)
was carried out based on the bioinformatics approaches. Firstly, a total of five
members of the NF-YC sub-units was reported in the grain amaranth. Its structural
analyses revealed that the NF-YC sub-units were variable in physic-chemical
properties, like protein sizes, molecular masses, isoelectric point, instability index,
and grand average of hydropathy. Of our interest, the expression profiles of genes
encoding NF-YC sub-units in various tissues/organs during the growth and
development of grain amaranth. We found that three genes, including AhNF-YC01,
AhNF-YC04, and AhNF-YC05 were highly expressed in leaf, root, floral, immature
seed, and stem tissues. Interestingly, AhNF-YC05 was exclusively expressed in leaf
and stem tissues. Taken together, our study could provide a solid understanding for
further functional characterization of genes encoding NF-YC sub-units in grain
amaranth.Thi Thanh Huyen TranViet Hong Lalaviethong.sp2@gmail.comThi Ngoc Quynh LeChau Thuy PhamThi Quyen Haquyenht@vnu.edu.vnDuc Ha Chucd.ha@vnu.edu.vn2020-10-09T07:10:25Z2020-10-09T07:10:25Zhttp://eprints.uet.vnu.edu.vn/eprints/id/eprint/4071This item is in the repository with the URL: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/40712020-10-09T07:10:25ZApplication of WRF-Chem to simulate air quality over Northern VietnamThe WRF-Chem (Weather Research and Forecasting with Chemistry) model is implemented and validated against ground-based observations for meteorological and atmospheric variables for the first time in Northern Vietnam. The WRF-Chem model was based on HTAPv2 emission inventory with MOZCART chemical-aerosol mechanism to simulate atmospheric variables for winter (January) and summer (July) of 2014. The model satisfactorily reproduces meteorological fields, such as temperature 2 m above the ground and relative humidity 2 m above the ground at 45 NCHMF meteorological stations in January, but lower agreement was found in those simulations of July. PM10 and PM2.5 concentrations in January showed good temporal and spatial agreements to observations recorded at three CEM air monitoring stations in Phutho, Quangninh, and Hanoi, with correlation coefficients of 0.36 and 0.59. However, WRF-Chem model was underestimated with MFBs from − 27.9 to − 118.7% for PM10 levels and from − 34.2 to − 115.1% for PM2.5 levels. It has difficulty in capturing day-by-day variation of PM10 and PM2.5 concentrations at each station in July, but MFBs were in the range from − 27.1 to − 40.2% which is slightly lower than those in January. It suggested that further improvements of the model and local emission data are needed to reduce uncertainties in modeling the distribution of atmospheric pollutants. Assessment of biomass burning emission on air quality in summer was analyzed to highlight the application aspect of the WRF-Chem model. The study may serve as a reference for future air quality modeling using WRF-Chem in Vietnam.Thi Nhu Ngoc Dongocdtn@fimo.edu.vnXuan Truong Ngotruongnx@fimo.edu.vnVan Ha Phamhapv@fimo.edu.vnNhu Luan Vuongluannv@cem.gov.vnHoang Anh LeChau Thuy PhamQuang Hung Buihungbq@vnu.edu.vnThi Nhat Thanh Nguyenthanhntn@vnu.edu.vn