Phuong Nguyen-Tri

Phuong Nguyen-Tri
Université du Québec à Trois-Rivières · Chimie biochimie et physique

Professor

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198
Publications
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Publications

Publications (198)
Article
Full-text available
Atomic force microscopy coupled with infrared spectroscopy (AFM-IR) was combined with scanning electron microscopy (SEM) to investigate the tridimensional lamella assembly and polymer segregation mechanism at the nanoscale of equimolar crystalline/crystalline poly(3-hydroxybutyrate) (PHB) and polyethylene glycol (PEG) blends, isothermally crystalli...
Chapter
Hybrid nanoparticles are expected not only to simply combine individual nanoparticles, but also to significantly enhance their properties. Depending on the nanostructure and synthesis/fabrication method, hybrid nanoparticles might provide the new chemical and physical properties and capabilities. This chapter aims to emphasize the effects of hybrid...
Article
This work aims to mainly use a recent resonance-enhanced atomic force microscopy coupled with infrared spectroscopy (AFM-IR) to follow the accelerated degradation process of a polyester (PET) membrane at the surface. By analyzing at the nanoscale of the chemical composition and the distribution of functional groups appearing on the aged sample surf...
Article
Full-text available
The crystallization and segregation behavior of immiscible polycaprolactone/poly(ethylene glycol) PCL/PEG (50/50) blends was investigated using mainly resonance-enhanced atomic force microcopy coupled with infrared spectroscopy (AFM-IR) which allows a spatial resolution of the order of 30–50 nm. Chemical infrared images of the blends at different s...
Article
With the recent progress in nanotechnology and material engineering, nano-based coatings have become multifunctional, smarter, efficient, versatile and durable. Superhydrophobic coatings are an important class of the smart coating family, which has gained recognition in coating science over the last few years. The uniqueness of superhydrophobic coa...
Article
Polyhydroxyalkanoates (PHAs) have emerged as an alternative to petrochemical-based plastics in recent decades. They are biodegradable linear polyesters that are mainly produced from microorganisms. They are also biocompatible and non-toxic, making them great candidates in medical and pharmaceutical applications such as drug delivery. The PHA family...
Article
Extensive research and developments in novel smart coating system facilitates better corrosion protection and longer service life. Recent research in biomimetics materials lead the fabrication of smart multifunctional coating systems. Unique properties of the lotus leaf, pitcher plant, and mussels were duplicated on various artificial surfaces over...
Article
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its variants have rapidly spread worldwide, causing coronavirus disease (COVID-19) with numerous infected cases and millions of deaths. Therefore, developing approaches to fight against COVID-19 is currently the most priority goal of the scientific community. As a sustainable solution...
Article
Full-text available
Commercialization in the meat-processing industry has emerged as one of the major ag-robusiness challenges due to the large volume of wastewater produced during slaughtering and cleaning of slaughtering facilities. Slaughterhouse wastewater (SWW) contains proteins, fats, high organic contents, microbes, and other emerging pollutants (pharmaceutical...
Article
In solar photocatalysis, light utilization and recycling of powder from reaction solution are the main obstructions that hinder the photocatalytic efficacy of any photocatalyst. In this respect, a floatable system is effective for efficient solar photocatalysis by light utilization. Due to the maximum solar light absorption property, floating nanoc...
Article
Full-text available
ZrO2@g-C3N4 photocomposite has been prepared from ZrO2 nanoparticles and g-C3N4 nanosheet using methanol via the ultrasonic method. The prepared photocomposite was characterized using XRD, TEM, EDX, DRS, FTIR, and XPS techniques and compared with pure ZrO2 and g-C3N4. A comparative study between the photocatalytic performance of the nanocomposite p...
Article
Full-text available
A forming organic film applied onto a metallic surface to resist electrochemical corrosion is demonstrated as a potentially new low-cost, low toxicity solution. In this work, the inhibitory effect of Malpighia glabra leaf extract (MGLE) on the corrosion of mild steel in 0.01, 0.10, and 1.00 M hydrochloric acid (HCl) media and the changes in its inh...
Article
Accessibility to a clean indoor environment is still an important problem in the world. Photocatalysis based on semiconductor materials was proposed as a green solution for contaminated surfaces and domestic areas. This treatment has been considered by many researchers using diverse preparation methods. Titanium dioxide (TiO2) was extensively inves...
Article
The present contribution is about the synthesis of a composite mesoporous with a high surface area and superior adsorption capacity to explore the possibility of using it for the removal of hazardous and harmful dyes from water. This composite was the mesoporous MgO/g-C3N4 (MGCN), which was successfully constructed through the sonication method in...
Article
The 2D MXenes (carbides, nitrides, carbonitrides) is an emerging class of atomic layered nanomaterials that calls for intensive investigation. The tunable structures, large-surface to volume ratio, high electrical conductivity, rich surface chemistries, hydrophilicity and large redox active sites are some vital features which makes MXenes the suita...
Article
This study summarizes the state-of-the-art research progress concerning the influence of high-temperature exposure on the residual bond strength of steel rebar. Also, an experimental database from the literature was collected and analyzed for use in fire safety management in concrete design codes and specifications for high important reinforced con...
Article
With the depletion of fossil fuels and an increase in global warming, developing clean and sustainable energy resources is imperative. Among the different possible eco-friendly energy resources, H 2 has a bright perspective since it is a clean, environmentally benign, and sustainable energy carrier. Sunlight-triggered H 2 evolution reaction (HER) i...
Article
Full-text available
The exposure to extreme temperatures in workplaces involves physical hazards for workers. A poorly acclimated worker may have lower performance and vigilance and therefore may be more exposed to accidents and injuries. Due to the incompatibility of the existing standards implemented in some workplaces and the lack of thermoregulation in many types...
Article
The cover image by Muhammad Bilal and colleagues shows an SEM micrograph representing the fractured surface of clay reinforce sulfonated polyimide nanocomposite. The SPI membrane characterizes a homogenous morphology throughout the matrix due to the uniform distribution of clay nanoparticles with no pore or cracks. The uniform distribution and prop...
Cover Page
Full-text available
Dear Colleagues, A biomaterial is any substance that has been engineered to interact with biological systems for a medical purpose - either a therapeutic or a diagnostic one. In the medical application, biomaterials are often used perform, augment, or replace the natural function of living structures or biomedical devices. Biomaterials are also us...
Article
Nowadays, air pollution is an increasingly important topic, as environmental regulations require limiting pollutant emissions. This problem requires new techniques to reduce emissions by either improving the current emission control systems and processes or installing new hybrid treatment systems. These are of broad diversity, and every system has...
Preprint
The exposure to extreme temperatures in workplaces involves physical hazards for workers. A poorly acclimated worker may have lower performance and vigilance and may therefore be more exposed to accidents and injuries. Due to the incompatibility of the existing standards implemented in some workplaces and the lack of thermoregulation in many protec...
Article
Full-text available
This work focuses on the degradation mechanism and self-cleaning ability of acrylic/A-TiO2 nanocomposite coating. In the study of photocatalytic degradation, Infrared spectroscopy (I.R.) data indicated that both the losses of alkane C.H. group, the weight and transparency of nanocomposite coating increased with increasing the nanoparticle content....
Article
The quest for finding an effective photocatalyst for environmental remediation and treatment strategies is attracting considerable attentions from scientists. In this study, a new hybrid material, Cu0.5Mg0.5Fe2O4–TiO2, was designed and fabricated using coprecipitation and sol-gel approaches for degrading organic dyes in wastewater. The prepared hyb...
Article
Biomass has been extensively considered a sustainable resource for preparing activated carbon for energy and environmental applications. However, the fabrication of activated carbon from biomass with a high surface area that can be effectively utilized for environmental treatment remains the main drawback. In this study, activated carbon with an ul...
Article
Full-text available
SARS-CoV-2 (COVID-19) spreads and develops quickly worldwide as a new global crisis which has left deep socio-economic damage and massive human mortality. This virus accounts for the ongoing outbreak and forces an urgent need to improve antiviral therapeutics and targeted diagnosing tools. Researchers have been working to find a new drug to combat...
Article
In this study, the effect of salinity on the removal of organic matter and nitrogen concentrations in bioreactor was investigated using a hybrid bench scale down-flow hanging sponge (DHS) system for 145 days of operation. The reactor had three identical sections that were filled to 30% volume with Bio-Bact to serve as attached media. The DHS reacto...
Article
Herein, coatable sulfonated polyimide (SPI) and clay‐reinforced SPI membranes SPI‐clay 3%, SPI‐clay 5%, and SPI‐clay 7% were successfully fabricated by one‐step high temperature via direct imidization method. The membranes were cast as a coatable thin film using a solution casting method and grafted vermiculite clay nanoparticle were incorporated i...
Article
Lignocellulosic biomass is the most abundant and sustainable feedstock available globally. As a source of the polysaccharides, cellulose and hemicellulose, it can be converted into biofuels and other platform chemicals. This article highlights some important aspects that needs to be focused upon for the commercial development of lignocellulosic bio...
Article
With the progress of the nanotechnology and production methods, coatings today are becoming lighter, cheaper, more durable, and more versatile. At present, a great progress has been made in design, preparation, and characterization of organic coatings, making them smarter and versatile. By creating new properties using suitable fillers and matrix a...
Article
Full-text available
Functional polymer composites are now making significant strides in synthesis, design, preparation, processing, and promising applications. Today, polymer composites are becoming lighter, cheaper, more durable, and more versatile. At present, great progress has been made in the design, preparation, and characterization of polymer composite material...
Article
Full-text available
CoBi2O4 (CBO) nanoparticles were synthesized by sol-gel method using polyvinylpyrrolidone (PVP) as a complexing reagent. For a single phase with the spinel structure, the formed gel was dried and calcined at four temperatures stages. Various methods were used to identify and characterize the obtained spinel, such as X-ray diffraction (XRD), scannin...
Article
Radiation can be lethal at high doses, whereas controlled doses are useful in medical applications. Other applications include power generation, agriculture sterilization, nuclear weapons, and archeology. Radiation damages genetic material, which is reflected in genotoxicity and can cause hereditary damage. In the medical field, it is essential to...
Article
In photo catalysis, the transition metals are an emerging class of materials due to their activity and stability with ligands coordination. Such metal can be stabilized by the Schiff base ligands, which could prevent the leaching of the metal active centers during the catalytic process The present works describe the copper(II) and nickel(II) Schiff...
Article
Methanolic (SME) extract of the biologically safe and edible cyanobacteria, Spirulina platensis was used for the green fabrication of silver nanoparticles (AgNPs). Characterization using UV-vis spectra showed the absorbance at 420 nm confirming the successful synthesis of AgNPs. Further characterization using XRD, DLS, SEM and TEM analysis showed t...
Article
ZnO nanoparticles are nontoxic inorganic oxides that have been extensively used as a supplement for zinc nutrients and antibacterial agents in the food industry, especially in edible coatings to protect food from deterioration by viruses, fungi, and bacteria. In this work, ZnO nanoparticles were fabricated by a hydrothermal method and characterized...
Book
Full-text available
With the progress in nanotechnology and production methods, composite materials are becoming lighter, cheaper, more durable, and more versatile. At present, great progress has been made in the design, preparation, and characterization of composite materials, making them smarter and more versatile [1–3]. By creating new properties using suitable fil...
Article
This work aims to explore the antibacterial activity of PE-TiO2/Ag nanocomposites. Rutil-TiO2/Ag hybrid nanoparticles (the content of 0.2-0.6 wt.%) were introduced into the PE matrix under melt mixing process. The TEM images for the ultra-thin section (about 80 nm thick) of nanocomposite showed that TiO2/Ag hybrid nanoparticles were well dispersed...
Article
The present study highlights a quick and cost effective, fabrication of biocompatible and water dispersible neem gum coated palladium nanoparticles (NG@Pd NPs) and assessment of their pharmacological applications. Palladium nanoparticles were synthesized through a biogenic route using the aqueous leaf extract of Orthosiphon stamineus. The fabricate...
Article
Full-text available
Publisher's Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. With the progress in nanotechnology and production methods, composite materials are becoming lighter, cheaper, more durable, and more versatile. At present, great progress has been made in the design, preparation, and characte...
Chapter
Smart textiles are structures capable of detecting, reacting, and adapting to a large number of stimuli such as electrical, magnetic, thermal, optical, acoustic, mechanical, and chemical. World consumption of technical textiles has been steadily increasing from $65 to $100 billion in 2010. World consumption of technical and smart textiles is 19.7 m...
Article
The main aim of this study was to synthesize an innovative magnetic CuFe2O4@porphyrin nanofiber hybrid material via one-step re-precipitation self-assembly of freebase-tetracarboxy-porphyrin (TCPP), in the presence of CuFe2O4 nanoparticles. The resultant hybrid materials were thoroughly characterized using scanning electron microscopy, energy-dispe...
Chapter
Full-text available
The appeal of batteries in modern civilization is trending with the passage of time. In a race of achieving larger shelf life, higher power density, and short charging time, nanobatteries equipped with nanotechnology could be a significant aspect to consider. Nanobattery defined not only to be present in nanoform but also to produce all its essenti...
Chapter
Full-text available
Past decade was significant especially in the creation of nanogenerators by exploitation of triboelectric and piezoelectric properties. However, both nanogenerators and energy storage systems can be coupled to give a simultaneous application of energy generation and storage by development of unique battery-nanogenerator hybrid system. These hybrid...
Article
Owing to the water crisis, the development of innovative and clean advanced oxidation processes to decompose a variety of harmful organic compounds in wastewater becomes the main challenge for many research teams. Cold discharge plasma is one of the most widely studied and developed processes, owing to its low energy cost and easy to operate. The i...
Chapter
The continuous emissions of greenhouse gases from the consumption of fuels have a severe impact on the environment. This has created interest in hydrogen as a superior fuel that has tremendous energy density and generates water upon combustion. Hydrogen finds applications in several sectors such as transportation, industry, power generation, as wel...
Chapter
Smart textiles are structures capable of detecting, reacting, and adapting to a large number of stimuli such as electrical, magnetic, thermal, optical, acoustic, mechanical, and chemical. World consumption of technical textiles has been steadily increasing from $65 to $100 billion in 2010. World consumption of technical and smart textiles is 19.7 m...
Chapter
The integration of smart devices and materials in the textiles for cutting-edge technologies applications is very promising research direction. The nanogenerator refers to the use of the nanoscale devices and nanomaterials to convert various kinds of energies dealing with thermal, light, and mechanical to electricity for specific applications. This...
Article
Food waste (FW) is more harmful than previously imagined. A large amount of Vietnam’s FW ends up in landfills, only 20% of which are sanitary. This causes significant environmental problems such as greenhouse gas emissions, high carbon footprint, leachate, and landfill-related conflicts. The FW from Vietnam’s urban areas is 0.29 kg⸳p-1⸳d-1, account...
Article
Understanding the interfacial crystallization is crucial for semi-crystalline polymer/natural fiber composites because it links to the final properties. This work reports, for the first time, the interfacial crystallization of a miscible blend between polycaprolactone (PCL) and polyvinylchloride (PVC) with milkweed fibers. We have first described t...
Article
In this present assessment, fabric dyeing wastewater was subjected to the characterization of physical-chemical parameters in terms of colour, TDS, COD and chloride. The indigenous bacterial strains were isolated from the effluent and identified as Bacillus velezensis, Chryseomicrobium imtechense, Planococcus maritimus and Sphingobacterium daejeone...
Article
The major component of bone minerals is the nanosized hydroxyapatite (HAp). It is known to possess extreme and exceptional properties. HAp increases its application in biomedical purposes. The utilization of HAp is comparatively similar to the use of living bones due to the monolithic structures, bioactivity and biocompatibility. Based on the poten...
Chapter
Incorporation of antibacterial nanoparticles (NPs) into the coating matrices is expected to produce the antibacterial nanocomposite coatings. This chapter explores how antibacterial NPs are embedded into the coating matrices. Its covers both inorganic and organic nanocomposite coatings with various metal and metal oxides used as nanofillers.
Article
Full-text available
Conjugated polymers are promising materials for various cutting-edge technologies, especially for organic conducting materials and in the energy field. In this work, we have synthesized a new conjugated polymer and investigated the effect of distance between bond layers, side-chain functional groups (H, Br, OH, OCH3 and OC2H5) on structural charac...
Article
Full-text available
Atomic force microscopy (AFM) has been extensively used for the nanoscale characterization of polymeric materials. The coupling of AFM with infrared spectroscope (AFM-IR) provides another advantage to the chemical analyses and thus helps to shed light upon the study of polymers. This paper reviews some recent progress in the application of AFM and...
Article
This paper investigates the heterogeneous kinetics of Al nanoparticles (NPal) under the influence of atomic numbers at different heating rates and annealing times by simulations method MD combined with embedded interaction potential SC and free boundary conditions. The results heterogeneous kinetics of NPal have been examined through RDF, Etot, D,...
Article
This article reports effects of temperature (T), T=300K, 400K, 500K, 600K, 700K, 900K at different heating rates 4x1012K/s, 4x1012K/s, 4x1013K/s and 4x1014K/s at T=300K and 550K; annealing time(t), t=500ps at T=550K on the structure, phase transition and crystallization process of NiCu6912 nanoparticles by molecular dynamics method (MD) with Sutton...
Preprint
Full-text available
Atomic force microscopy (AFM) has been extensively used for the nanoscale characterization of polymeric materials. The coupling of AFM with infrared spectroscope (AFM-IR) provides another advantage to the chemical analyses and thus helps to shed light upon the study of polymers. In this perspective paper, we review recent progress in the use of AFM...