Pham Thanh Huyen
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View article: Evaluation of climatic trends in Ho Chi Minh City for dengue fever outbreak forecasting using non-parametric statistical methods
Evaluation of climatic trends in Ho Chi Minh City for dengue fever outbreak forecasting using non-parametric statistical methods Open
This study evaluates the trends in temperature and rainfall in Ho Chi Minh City (HCMC) in the context of global climate change. It utilizes data from 13 monitoring stations during the period from 2015 to 2022, employing non-parametric stat…
View article: Optimization of culture conditions to enhance mycophenolic acid biosyntheis by <i>Penicillium brevicompactum </i> BB263 isolated in Vietnam
Optimization of culture conditions to enhance mycophenolic acid biosyntheis by <i>Penicillium brevicompactum </i> BB263 isolated in Vietnam Open
Mycophenolic acid (MPA) is an immunosuppressant utilized in organ transplantation to prevent rejection and in the treatment of autoimmune diseases such as Crohn's disease and systemic lupus erythematosus. Previous studies have reported tha…
View article: Characterization of schweinfurthinol 9-O-β-D-pyranoglucoside as a potential anti-diabetic compound via in-silico studies
Characterization of schweinfurthinol 9-O-β-D-pyranoglucoside as a potential anti-diabetic compound via in-silico studies Open
Schweinfurthinol 9-O-β-D-pyranoglucoside (SP) was isolated from Euonymus laxiflorus Champ. (ELC) and found as novel α-glucosidase and α-amylase inhibitors in our previous works via experimental studies. This work aims to further characteri…
View article: Air Pollution Assessment of Thermal Power and Cement Plants in Ninh Binh Province
Air Pollution Assessment of Thermal Power and Cement Plants in Ninh Binh Province Open
Cement production and thermal power generation are two primary industries in Ninh Binh province, but they are also among the sources of emissions that can negatively affect to local and regional air quality. This study employs the AERMOD a…
View article: Efficiency of Optimized Fabrication Process for Light-absorbing Membranes from Sewage Sludge Applied in Solar-driven Steam Generation Systems
Efficiency of Optimized Fabrication Process for Light-absorbing Membranes from Sewage Sludge Applied in Solar-driven Steam Generation Systems Open
Solar-driven evaporation systems have been studied to provide clean water, especially for islandic areas. Carbon materials made from sludge in domestic wastewater treatment plants have been studied to produce light-absorbing membranes in s…
View article: Airborne Toluene Removal by Dynamic Adsorption on Fiber‐ and Granular‐Activated Carbon
Airborne Toluene Removal by Dynamic Adsorption on Fiber‐ and Granular‐Activated Carbon Open
The selection of adsorbents is critical for developing an adsorption unit. In this study, a activated carbon fibers (ACF) and a granular‐activated carbon (GAC) were evaluated in dynamic toluene adsorption to determine their benefits and li…
View article: How to design plasmonic Ag/SrTiO3 nanocomposites as efficient photocatalyst: Theoretical insight and experimental validation
How to design plasmonic Ag/SrTiO3 nanocomposites as efficient photocatalyst: Theoretical insight and experimental validation Open
An integrated theoretical-experimental investigation is performed to understand the photocatalytic and optical properties of Ag/SrTiO3 nanocomposite (Ag/STO). Theoretical investigation reveals that the catalytic activity of Ag/STO is incre…
View article: Medication compliance and related factors among readmission people with type 2 diabetes at 108 Military central Hospital
Medication compliance and related factors among readmission people with type 2 diabetes at 108 Military central Hospital Open
Objectives: Survey on medication compliance rate and related factors in people with type 2 diabetes readmitted for inpatient treatment at 108 Central Military Hospital. Participants and methods: A cross-sectional descriptive study was cond…
View article: Morphology, anatomy, and quantitative determination of corosolic acid in Lagerstroemia calyculata Kurz in the Southeast region, Vietnam
Morphology, anatomy, and quantitative determination of corosolic acid in Lagerstroemia calyculata Kurz in the Southeast region, Vietnam Open
Objectives: To describe the morphological characteristics, anatomy (stem, leaves), and quantify the corosolic acid in the leaves of Lagerstroemia calyculata Kurz collected in the Southeast region, Vietnam. Subjects and methods: Using the c…
View article: Genome-wide characterization of COMT family and regulatory role of CsCOMT19 in melatonin synthesis in Camellia sinensis
Genome-wide characterization of COMT family and regulatory role of CsCOMT19 in melatonin synthesis in Camellia sinensis Open
Background Caffeic acid O-methyltransferase (COMT) is a key enzyme that regulates melatonin synthesis and is involved in regulating the growth, development, and response to abiotic stress in plants. Tea plant is a popular beverage consumed…
View article: DIRECTIONAL DIFFERENTIABILITY OF THE OPTIMAL VALUE IN QUADRATIC PROGRAMMING PROBLEMS UNDER LINEAR CONSTRAINTS ON HILBERT SPACES
DIRECTIONAL DIFFERENTIABILITY OF THE OPTIMAL VALUE IN QUADRATIC PROGRAMMING PROBLEMS UNDER LINEAR CONSTRAINTS ON HILBERT SPACES Open
We investigate the first-order directional differentiability of the optimal value function in parametric quadratic programming problems under linear constraints in Hilbert spaces. We derive an explicit formula for computing the directional…
View article: Facile synthesis Cu2O nanomaterials via hydrothermal method: Effect of precursors ratio on structural and morphological characteristics
Facile synthesis Cu2O nanomaterials via hydrothermal method: Effect of precursors ratio on structural and morphological characteristics Open
The single phase Cu2O nanomaterials had been fabricated via facile hydrothermal method using non-toxic precursors of CuSO4.5H2O and Na2SO3 (then, the CuSO4 0.3M and Na2SO3 0.3M solution are mixed with volume ratios of 1:5, 1:6, 1:7 and 1:1…
View article: Green method for preparation ZnO nanoparticles using red peony leaves extracts
Green method for preparation ZnO nanoparticles using red peony leaves extracts Open
The source of clean, dry red peony leaves has been carefully packaged and preserved. Then the red peony leaves were extracted to get the extracts solution at the optimum extraction temperature, extraction time and leaves sample weight. The…
View article: Barley varieties tolerant to waterlogged reduced soil show the better root growth in hypoxia
Barley varieties tolerant to waterlogged reduced soil show the better root growth in hypoxia Open
Barley (Hordeum vulgare L.) growth is often inhibited under waterlogged fields. Under waterlogging, a higher C/N ratio in soil easily leads to low oxygen concentration and soil reduction. Although the tolerant varieties for waterlogging an…
View article: Application of multispectral UAV to estimate mangrove biomass in Vietnam: A case study in Dong Rui commune, Quang Ninh Province
Application of multispectral UAV to estimate mangrove biomass in Vietnam: A case study in Dong Rui commune, Quang Ninh Province Open
Mangroves play an important role in coastal estuarine areas with different ecological functions, such as reducing the impact of waves and currents, accumulating biomass and sequestering carbon. However, estimation of terrestrial biomass in…
View article: A High-Reliability Piezoelectric Tile Transducer for Converting Bridge Vibration to Electrical Energy for Smart Transportation
A High-Reliability Piezoelectric Tile Transducer for Converting Bridge Vibration to Electrical Energy for Smart Transportation Open
Piezoelectric energy transducers offer great potential for converting the vibrations of pedestrian footsteps or cars moving on a bridge or road into electricity. However, existing piezoelectric energy-harvesting transducers are limited by …
View article: GRAPHITE PASTE ELECTRODE MODIFIED WITH ZEOLITIC IMIDAZOLATE FRAMEWORK (ZIF-67) FOR THE DETERMINATION OF ACETAMINOPHEN
GRAPHITE PASTE ELECTRODE MODIFIED WITH ZEOLITIC IMIDAZOLATE FRAMEWORK (ZIF-67) FOR THE DETERMINATION OF ACETAMINOPHEN Open
A zeolitic imidazolate framework ZIF-67 was synthesized by an eco-friendly solvothermal method, using ethanol as solvent at room temperature. The morphology and structure of obtained ZIF-67 were characterized by X-ray diffraction, scanning…
View article: Effects Of Powder From Passiflora Edulis Peel On Dough Properties And Bread Quality
Effects Of Powder From Passiflora Edulis Peel On Dough Properties And Bread Quality Open
In this work, we aim to experimentally investigate the influences of the addition of passion fruit powder on finished bread characteristics, i.e., the quality and sensory perception, and the dough physical-chemical properties. The substitu…
View article: CdS/MIL-101 as a Visible-light-driven Photocatalyst for Methylene Blue Degradation
CdS/MIL-101 as a Visible-light-driven Photocatalyst for Methylene Blue Degradation Open
This research presents the hydrothermal synthesis of the metal-organic framework MIL-101 (Cr) and the CdS/MIL-101 (Cr) catalyst in the photocatalytic degradation of Methylene Blue (MB) dye. X-ray diffraction (XRD), Fourier-transform infrar…
View article: Uvaria clementis (Merr.) Attan., I. M. Turner and R. M. K. Saunders (Annonaceae), a New Record for the Flora of Vietnam
Uvaria clementis (Merr.) Attan., I. M. Turner and R. M. K. Saunders (Annonaceae), a New Record for the Flora of Vietnam Open
The genus Uvaria Juss. is distinguished other genus of Annonaceae especially: Stellate or caespitose hairs, flowers bisexual opposite to leaves, flower are solitary or cymose. Sepal 3, valvate,… Uvaria clementis (Merr.) Attan., I.M. Turn&R…
View article: Dammarane-type triterpenoids from Gynostemma compressum X. X. Chen & D. R. Liang (Cucurbitaceae) and their AMPK activation effect in 3T3-L1 cells
Dammarane-type triterpenoids from Gynostemma compressum X. X. Chen & D. R. Liang (Cucurbitaceae) and their AMPK activation effect in 3T3-L1 cells Open
Bioassay-guided fractionation of the 80% ethanol extract of Gynostemma compressum X. X. Chen & D. R. Liang (Cucurbitaceae) resulted in the isolation and identification of eight undescribed triterpenoids, gycomol VN1, gycomol VN2, and gycom…
View article: The promotion effect of iron to Cu/<scp>ZSM</scp>‐5 catalyst for <scp>NOx</scp> removal by <scp>NH<sub>3</sub>‐SCR</scp>
The promotion effect of iron to Cu/<span>ZSM</span>‐5 catalyst for <span>NOx</span> removal by <span>NH<sub>3</sub>‐SCR</span> Open
The Cu/ZSM‐5 and Cu‐Fe/ZSM‐5 catalysts (ZSM‐5 with Si:Al ratio of 25:1) were created utilizing the liquid ion‐exchange technique. The effects of Fe on the physical and chemical characteristics of Cu/ZSM‐5 catalysts were investigated using …
View article: Characterization of hydrophobicity for artificially hydrophobized autoclave aerated concrete grains
Characterization of hydrophobicity for artificially hydrophobized autoclave aerated concrete grains Open
Untreated oil-contaminated water discharge from domestic and industrial sources has led to serious environmental pollution, especially in developing countries. Many technologies (e.g., floatation and coagulation, biological treatment, memb…
View article: Characteristics of porous spherical <scp>LaFeO<sub>3</sub></scp> as ammonia gas sensing material
Characteristics of porous spherical <span>LaFeO<sub>3</sub></span> as ammonia gas sensing material Open
Porous spherical LaFeO 3 (PS‐LFO) sample was prepared using a simple hydrothermal method and found to be a potential gas sensor for NH 3 detection. Structural characteristic of the sample was examined by several techniques, including X‐ray…
View article: Influence of hydrothermal time on the formation of SAPO-56 structure and its catalytic activity of removal NOx by NH<sub>3</sub>-SCR with Cu/SAPO-56
Influence of hydrothermal time on the formation of SAPO-56 structure and its catalytic activity of removal NOx by NH<sub>3</sub>-SCR with Cu/SAPO-56 Open
The SAPO-56 molecular sieve material was prepared under hydrothermal conditions at 200 °C with different hydrothermal times using precursors including Al(OH)3, LUDOX AS-30, H3PO4, and TMHD (N,N,N′,N′-tetramethyl-hexane-1,6-diamine) as an o…
View article: Synthesis of porous LaFeO<sub>3</sub> prepared by nanocasting method for photo-Fenton degradation of oily-containing wastewater
Synthesis of porous LaFeO<sub>3</sub> prepared by nanocasting method for photo-Fenton degradation of oily-containing wastewater Open
Porous LaFeO3 were synthesised by nanocasting method using mesoporous silica (SBA-15) as a hard template and used as a visible-light-driven photocatalyst. The as-synthesised LaFeO3 photocatalyst were characterized by scanning electron micr…