Hoang Chinh Nguyen
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View article: Enhanced Recovery and Bioactivity of Flavonoids From Peanut Shells (<i>Arachis hypogaea</i>): Antioxidant and Acetylcholinesterase Inhibitory Properties
Enhanced Recovery and Bioactivity of Flavonoids From Peanut Shells (<i>Arachis hypogaea</i>): Antioxidant and Acetylcholinesterase Inhibitory Properties Open
Peanut shells, a by‐product of the peanut processing industry, are rich in flavonoid compounds with a range of bioactivities. This study aimed to develop an efficient extraction and fractionation process to enhance the recovery and in vitr…
View article: Changes in phenolic content and biological activities of <i>Plectranthus amboinicus</i> (Lamiaceae) leaf extracts resulting from pectinase and cellulase treatments
Changes in phenolic content and biological activities of <i>Plectranthus amboinicus</i> (Lamiaceae) leaf extracts resulting from pectinase and cellulase treatments Open
Enzyme-assisted extraction has emerged as an eco-friendly and effective method for enhancing the yield of phenolic compounds from plant materials. This study examined the effectiveness of pectinase and cellulase in extracting phenolic comp…
View article: Phytochemical composition, antioxidant, antibacterial,and enzyme inhibitory activitiesof organic extracts from flower budsof Cleistocalyx operculatus (Roxb.) Merr. et Perry
Phytochemical composition, antioxidant, antibacterial,and enzyme inhibitory activitiesof organic extracts from flower budsof Cleistocalyx operculatus (Roxb.) Merr. et Perry Open
Cleistocalyx operculatus flower buds have been widely used in traditional medicine because of their rich content of bioactive constituents. In this study, we obtained seven solvent extracts from the flower buds and evaluated their total ph…
View article: Phytochemical profile, <i>in vitro</i> anti-inflammatory, and anti-xanthine oxidase activity of durian fruit rind fractions ( <i>Durio zibethinus</i> )
Phytochemical profile, <i>in vitro</i> anti-inflammatory, and anti-xanthine oxidase activity of durian fruit rind fractions ( <i>Durio zibethinus</i> ) Open
Durian fruit rinds (Durio zibethinus) have increasingly attracted scientific interest due to their potent bioactive metabolites. In the present study, a comprehensive approach combining chromatographic techniques and bioassays was employed…
View article: Enzyme-Assisted Coextraction of Phenolics and Polysaccharides from Padina gymnospora
Enzyme-Assisted Coextraction of Phenolics and Polysaccharides from Padina gymnospora Open
Brown seaweed is a promising source of polysaccharides and phenolics with industrial utility. This work reports the development of a green enzyme-assisted extraction method for simultaneously extracting polysaccharides and phenolics from t…
View article: Extraction of flavonoids from durian ( <i>Durio zibethinus</i> ) fruit rinds and evaluation of their antioxidant, antidiabetic and anticancer properties
Extraction of flavonoids from durian ( <i>Durio zibethinus</i> ) fruit rinds and evaluation of their antioxidant, antidiabetic and anticancer properties Open
Summary Durian ( Durio zibethinus ) fruit rinds are a promising source of bioactive phytochemicals, but they are currently wasted. This study optimised extraction conditions for flavonoids from durian fruit rinds and evaluated the biologic…
View article: Fractionation, identification of chemical constituents, and biological properties of cashew (<i>Anacardium occidentale</i> L.) leaf extracts
Fractionation, identification of chemical constituents, and biological properties of cashew (<i>Anacardium occidentale</i> L.) leaf extracts Open
The current study aimed to identify the chemical constituents and bioactivities of the crude ethanolic extract (CEE) and its fractions (ethyl acetate (EAF), hexane (HEF), and aqueous (AEF)) from leaves of cashew ( Anacardium occidentale L.…
View article: Excellent catalytic activity of NiPd/C nanocatalysts for anodic oxidation of methanol in alkaline media
Excellent catalytic activity of NiPd/C nanocatalysts for anodic oxidation of methanol in alkaline media Open
In this study, nanocatalyst NiPd was synthesized via a successful two-stage reduction process with NaBH 4 and PVP. More specifically, the first stage involves NaBH 4 reduction of Ni 2+ ion to metallic Ni. Afterwards, Pd would be coated on …
View article: One-Pot Synthesis of Biodiesel from Acid Oil Using a Switchable Solvent, 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU), as a Bifunctional Catalyst
One-Pot Synthesis of Biodiesel from Acid Oil Using a Switchable Solvent, 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU), as a Bifunctional Catalyst Open
Biodiesel is a promising alternative to petrodiesel, but its production from acid oils retains several technical challenges. Therefore, this study developed a new approach involving 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU)-catalyzed one-po…
View article: Biodiesel Production through Electrolysis Using an Ionic Liquid, 1-Ethyl-3-Methylimidazolium Chloride as a Supporting Electrolyte
Biodiesel Production through Electrolysis Using an Ionic Liquid, 1-Ethyl-3-Methylimidazolium Chloride as a Supporting Electrolyte Open
Electrolysis is a promising approach for biodiesel production. However, low electrical conductivity of a reaction mixture results in a low reaction rate. Thus, this study developed a novel catalyst-free electrolysis process using an ionic …
View article: Highly Active Astaxanthin Production from Waste Molasses by Mutated Rhodosporidium toruloides G17
Highly Active Astaxanthin Production from Waste Molasses by Mutated Rhodosporidium toruloides G17 Open
Astaxanthin is increasingly attracting commercial interest for its application in the nutraceutical and pharmaceutical industries. This study aimed to produce astaxanthin from molasses with our newly mutated strain of Rhodosporidium torulo…
View article: Physiological responses and antioxidant properties of coriander plants (Coriandrum sativum L.) under different light intensities of red and blue lights
Physiological responses and antioxidant properties of coriander plants (Coriandrum sativum L.) under different light intensities of red and blue lights Open
View article: Chemical constituents, antioxidant, and anticancer activities of bee pollen from various floral sources in Taiwan
Chemical constituents, antioxidant, and anticancer activities of bee pollen from various floral sources in Taiwan Open
Bee pollen has been traditionally used for health promotion. However, the chemical constituents and pharmaceutical effects of bee pollen strongly depend on their sources. This study determined chemical compositions and evaluated the antiox…
View article: Physiological responses and antioxidant properties of coriander plants (Coriandrum sativum L.) under different light intensities of red and blue lights
Physiological responses and antioxidant properties of coriander plants (Coriandrum sativum L.) under different light intensities of red and blue lights Open
Background: Coriander ( Coriandrum sativum L.) contains abundant of antioxidants and essential oils that can provide antibacterial, antifungal, and anti-oxidative activities in the pharmaceutical and health food production industry for pro…
View article: Optimization of heterogeneous Catalyst-assisted fatty acid methyl esters biodiesel production from Soybean oil with different Machine learning methods
Optimization of heterogeneous Catalyst-assisted fatty acid methyl esters biodiesel production from Soybean oil with different Machine learning methods Open
There is a growing attention to the bio and renewable energies due to fast depletion of fossil fuels as well as the global warming problem. Here, we developed a modeling and simulation method by means of artificial intelligence (AI) for pr…
View article: Synthesis of Ag-coated on a wrinkled SiO2@TiO2 architectural photocatalyst: New method of wrinkled shell for use of semiconductors in the visible light range and penicillin antibiotic degradation
Synthesis of Ag-coated on a wrinkled SiO2@TiO2 architectural photocatalyst: New method of wrinkled shell for use of semiconductors in the visible light range and penicillin antibiotic degradation Open
View article: Development of multiple machine-learning computational techniques for optimization of heterogenous catalytic biodiesel production from waste vegetable oil
Development of multiple machine-learning computational techniques for optimization of heterogenous catalytic biodiesel production from waste vegetable oil Open
Multiple machine learning models were developed in this study to optimize biodiesel production from waste cooking oil in a heterogenous catalytic reaction mode. Several input parameters were considered for the model including reaction temp…
View article: Neural-based modeling adsorption capacity of metal organic framework materials with application in wastewater treatment
Neural-based modeling adsorption capacity of metal organic framework materials with application in wastewater treatment Open
We developed a computational-based model for simulating adsorption capacity of a novel layered double hydroxide (LDH) and metal organic framework (MOF) nanocomposite in separation of ions including Pb(II) and Cd(II) from aqueous solutions.…
View article: Machine learning method for simulation of adsorption separation: Comparisons of model’s performance in predicting equilibrium concentrations
Machine learning method for simulation of adsorption separation: Comparisons of model’s performance in predicting equilibrium concentrations Open
In this work, we implemented different models for predicting adsorption separation of a dye from aqueous solution using porous materials. The equilibrium data of solute concentrations were collected from resources and used in the models fo…
View article: Multiple machine learning models for prediction of CO2 solubility in potassium and sodium based amino acid salt solutions
Multiple machine learning models for prediction of CO2 solubility in potassium and sodium based amino acid salt solutions Open
In this work, we developed artificial intelligence-based models for prediction and correlation of CO2 solubility in amino acid solutions for the purpose of CO2 capture. The models were used to correlate the process parameters to the CO2 lo…
View article: Improved anti-inflammatory and anticancer properties of celecoxib loaded zinc oxide and magnesium oxide nanoclusters: A molecular docking and density functional theory simulation
Improved anti-inflammatory and anticancer properties of celecoxib loaded zinc oxide and magnesium oxide nanoclusters: A molecular docking and density functional theory simulation Open
Present study offers great prospects for the adsorption of anti-inflammatory celecoxib molecule (CXB) over the surface of zinc oxide (Zn12O12) and magnesium oxide (Mg12O12) nanoclusters in several environments by performing robust theoreti…
View article: Ultrasound-Assisted Extraction of Polyphenols from Pomelo (Citrus Grandis Limonia Osbeck L.) Peel
Ultrasound-Assisted Extraction of Polyphenols from Pomelo (Citrus Grandis Limonia Osbeck L.) Peel Open
The pomelo peel occupies 50% of the fruit mass in pomelo juice processing. It contains large amounts of phenolic compounds, which may provide benefits to human health. These components should be isolated. In this study, the effects of etha…
View article: The computational study of moisture effect on mechanical behavior of baghdadite matrix via molecular dynamics approach
The computational study of moisture effect on mechanical behavior of baghdadite matrix via molecular dynamics approach Open
View article: Chlorophyll biosynthesis and transcriptome profiles of chlorophyll b-deficient type 2b rice (Oryza sativa L.)
Chlorophyll biosynthesis and transcriptome profiles of chlorophyll b-deficient type 2b rice (Oryza sativa L.) Open
Photosynthetic and transcriptomic characteristics of a chlorophyll (Chl) b-deficient mutant type 2b rice (ch14) were investigated in this study. The ultrastructure of chloroplast in ch14 demonstrated irregular chloroplast enhancement (loss…
View article: Bio-Derived Catalysts: A Current Trend of Catalysts Used in Biodiesel Production
Bio-Derived Catalysts: A Current Trend of Catalysts Used in Biodiesel Production Open
Biodiesel is a promising alternative to fossil fuels and mainly produced from oils/fat through the (trans)esterification process. To enhance the reaction efficiency and simplify the production process, various catalysts have been introduce…
View article: Temperature-mediated shifts in chlorophyll biosynthesis in leaves of chlorophyll b-lacking rice (Oryza sativa L.)
Temperature-mediated shifts in chlorophyll biosynthesis in leaves of chlorophyll b-lacking rice (Oryza sativa L.) Open
Extreme temperatures have become a threat to crop yields. To maintain plant growth and yield, chlorophyll (Chl) biosynthesis plays a crucial role in adaptation to temperature stress. This study investigated the influence of temperature on …
View article: Transcription Profile Analysis of Chlorophyll Biosynthesis in Leaves of Wild-Type and Chlorophyll b-Deficient Rice (Oryza sativa L.)
Transcription Profile Analysis of Chlorophyll Biosynthesis in Leaves of Wild-Type and Chlorophyll b-Deficient Rice (Oryza sativa L.) Open
Photosynthesis is an essential biological process and a key approach for raising crop yield. However, photosynthesis in rice is not fully investigated. This study reported the photosynthetic properties and transcriptomic profiles of chloro…
View article: Bioactive Compounds, Antioxidants, and Health Benefits of Sweet Potato Leaves
Bioactive Compounds, Antioxidants, and Health Benefits of Sweet Potato Leaves Open
Sweet potato (Ipomoea batatas) is one of the most important food crops worldwide and its leaves provide a dietary source of nutrients and various bioactive compounds. These constituents of sweet potato leaves (SPL) vary among varieties and…
View article: Optimization of aqueous enzyme‐assisted extraction of rosmarinic acid from rosemary ( <i>Rosmarinus</i> <i>officinalis</i> L.) leaves and the antioxidant activity of the extract
Optimization of aqueous enzyme‐assisted extraction of rosmarinic acid from rosemary ( <i>Rosmarinus</i> <i>officinalis</i> L.) leaves and the antioxidant activity of the extract Open
\n\t\t\t\t\tRosemary (Rosmarinus officinalis L.) is a potential source of rosmarinic acid (RA). This study aimed to develop a novel aqueous enzymatic approach for extracting RA from rosemary leaves and evaluate the antioxidant activity of …
View article: Microwave-Assisted Noncatalytic Esterification of Fatty Acid for Biodiesel Production: A Kinetic Study
Microwave-Assisted Noncatalytic Esterification of Fatty Acid for Biodiesel Production: A Kinetic Study Open
This study developed a microwave-mediated noncatalytic esterification of oleic acid for producing ethyl biodiesel. The microwave irradiation process outperformed conventional heating methods for the reaction. A highest reaction conversion,…