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View article: Nano‐silicon via plasma synthesis: A high‐performance anode for lithium‐ion batteries
Nano‐silicon via plasma synthesis: A high‐performance anode for lithium‐ion batteries Open
This study presents a plasma‐assisted method for synthesizing nano‐silicon (nano‐Si) as an anode material for lithium‐ion batteries (LIBs), providing a rapid, single‐step, and scalable alternative to conventional chemical synthesis routes.…
View article: Self-assembly of porphyrin nanofibers on CeO 2 nanoparticles: an enhanced photocatalyst for organic pollutant degradation under visible light irradiation
Self-assembly of porphyrin nanofibers on CeO 2 nanoparticles: an enhanced photocatalyst for organic pollutant degradation under visible light irradiation Open
This study investigates the synthesis and photocatalytic performance of CeO2/porphyrin nanocomposites, created by self-assembling porphyrin monomers onto CeO2 nanoparticles, which were green-synthesized using Cleistocalyx operculatus leaf …
View article: Cyclotides from Violaceae: Isolation, characterization, and potential applications
Cyclotides from Violaceae: Isolation, characterization, and potential applications Open
Cyclotides are cyclic polypeptides consisting of 28 to 37 residues, distinguished by six cysteine residues organized in a specific arrangement of three disulfide linkages. This distinctive structure provides remarkable structural stability…
View article: High-performance supercapattery with nanotube-TiO2/carbon nano tubes anode and coconut-shell-derived activated carbon cathode
High-performance supercapattery with nanotube-TiO2/carbon nano tubes anode and coconut-shell-derived activated carbon cathode Open
This paper aims to present the fabrication of a Li-ion supercapattery by an anode designed for a lithium-ion battery (nanotube TiO2 (NT-TiO2) and carbon nanotubes (CNTs), namely as NT-TiO2/CNTs) with a cathode designed for an electrochemic…
View article: Ag/Fe3O4 bifunctional nanocomposite for SERS detection of non-steroidal anti-inflammation drug diclofenac
Ag/Fe3O4 bifunctional nanocomposite for SERS detection of non-steroidal anti-inflammation drug diclofenac Open
In this work, a bifunctional nanocomposite based on silver and iron oxide nanoparticles (AgNPs/Fe3O4) was prepared and then used as SERS substrate (surface-enhanced Raman spectroscopy) for sensing diclofenac which is one of the most widely…
View article: PID Control for Balancing Bike Model using Reaction Wheel
PID Control for Balancing Bike Model using Reaction Wheel Open
Motorcycles or bicycles are known as unbalanced systems like the inverted pendulum model. Normally, we must use a handlebar to control the Motorcycles or bicycles. In this paper, the authors propose a PID controller for a balance bike usin…
View article: The Effect of the Ratio of C45 Carbon to Graphene on the Si/C Composite Materials Used as Anode for Lithium-ion Batteries
The Effect of the Ratio of C45 Carbon to Graphene on the Si/C Composite Materials Used as Anode for Lithium-ion Batteries Open
Due to its high theoretical capacity, Silicon (Si) has shown great potential as an anode material for lithium-ion batteries (LIBs). However, the large volume change of Si during cycling leads to poor cycling stability and low Coulombic eff…
View article: Covalently Functionalized Graphene with Molecularly Imprinted Polymers for Selective Adsorption and Electrochemical Detection of Chloramphenicol
Covalently Functionalized Graphene with Molecularly Imprinted Polymers for Selective Adsorption and Electrochemical Detection of Chloramphenicol Open
In this report, we have presented a novel route to attach molecularly imprinted polymers (MIPs) on the surface of reduced graphene oxide (rGO) through covalent bonding. First, the surface of rGO was modified with maleic anhydride (MA) via …
View article: Preparation and modification of zeolite A from kaolin for catalytic methanation of carbon dioxide
Preparation and modification of zeolite A from kaolin for catalytic methanation of carbon dioxide Open
Different types of zeolite including Zeolite A are prepared from natural kaolin originated in Vietnam. Raw kaolin was collected from Phu Tho, Vietnam, underwent metakaolization at 650 °C within 2 hours and alkalination with NaOH to synthes…
View article: Fabrication and characterization of a NiO–ZnO/PANI-CNTs composite for sensing of methanol in an aqueous environment
Fabrication and characterization of a NiO–ZnO/PANI-CNTs composite for sensing of methanol in an aqueous environment Open
In this study, we fabricated a composite of NiO–ZnO/PANI-CNTs on a fluorine tin oxide (FTO) electrode and examined the electrochemical sensing behavior of the modified electrode to detect methanol in aqueous solution.
View article: Co<sup>2+</sup> and Cr<sup>3+</sup> ions removal from wastewater by using nanostructural hydroxyapatite
Co<sup>2+</sup> and Cr<sup>3+</sup> ions removal from wastewater by using nanostructural hydroxyapatite Open
Due to the growing pollution of the environment, water purification methods have to be improved. One of the most effective solutions is the removal of heavy metal ions by porous materials, including hydroxyapatite. Lao Cai Province in Viet…
View article: Influence of Experimental Conditions during Synthesis on the Physicochemical Properties of the SPION/Hydroxyapatite Nanocomposite for Magnetic Hyperthermia Application
Influence of Experimental Conditions during Synthesis on the Physicochemical Properties of the SPION/Hydroxyapatite Nanocomposite for Magnetic Hyperthermia Application Open
In this work, we report on the fabrication of nanocomposites based on superparamagnetic iron oxide nanoparticles (SPIONs) in combination with hydroxyapatite (HAp) as a platform for drug delivery and magnetic hyperthermia application. First…
View article: Effect of monovalent ion electrolyte on energy storage mechanism of nanocomposites TiO2@CNTs
Effect of monovalent ion electrolyte on energy storage mechanism of nanocomposites TiO2@CNTs Open
Electrolyte plays the vital role of carrying ions in the operation of chemical power sources. In this work, the lithium, sodium and posstasium-based aqueous electrolytes were performed in the supercapacitor using nano TiO2 electrode. The a…
View article: Synthesis of composite TiO2/CNTs via sol-gel route as electrode materials for supercapacitors
Synthesis of composite TiO2/CNTs via sol-gel route as electrode materials for supercapacitors Open
Supercapacitor is considered as a promising energy storage devices because supercapacitors can provide higher power densities than lithium-ion batteries. Besides traditional carbon materials, the development of metal oxide composite materi…
View article: Study on the functionalization of activated carbon and the effect of binder toward capacitive deionization application
Study on the functionalization of activated carbon and the effect of binder toward capacitive deionization application Open
Capacitive deionization (CDI) is a high-performance and low-cost technology for desalination. Normally, the CDI electrodes are fabricated using a slurry of activated carbon (AC) with a polymeric binder. In this study, AC from coconut shell…
View article: Electrochemical preparation of monodisperse Pt nanoparticles on a grafted 4-aminothiophenol supporting layer for improving the MOR reaction
Electrochemical preparation of monodisperse Pt nanoparticles on a grafted 4-aminothiophenol supporting layer for improving the MOR reaction Open
Well-dispersed Pt nanoparticles for MOR reaction.
View article: A low-cost and eco-friendly fabrication of an MCDI-utilized PVA/SSA/GA cation exchange membrane
A low-cost and eco-friendly fabrication of an MCDI-utilized PVA/SSA/GA cation exchange membrane Open
The alternative desalination technique of membrane capacitive deionization (MCDI) has emerged in the last 15 years and received a lot of research attention since then. By using a voltage applied between two electrodes covered with ion-exch…
View article: RESEARCH ON THE ADSORPTION OF PB2+ IONS BY APATITE ORE AND PURIFIED APATITE ORE
RESEARCH ON THE ADSORPTION OF PB2+ IONS BY APATITE ORE AND PURIFIED APATITE ORE Open
Apatite ore from Lao Cai province (Vietnam) has large reserves and low cost which was purified by a simple chemical method. Apatite ore and purified one were characterized the molecular structure, phase component, specific surface area, el…
View article: Chemical composition and in vitroantifungal activity of turmeric oilfrom Curcuma longa L. rhizomeagainst Colletotrichum spp.
Chemical composition and in vitroantifungal activity of turmeric oilfrom Curcuma longa L. rhizomeagainst Colletotrichum spp. Open
The production of curcumin produces large quantities of the spent turmeric oleoresin as a by-product, which often pollutes the environment. This study was conducted to obtain turmeric oil from this by-product and evaluate its antifungal ac…
View article: Adsorption of Ag<sup>+</sup> ions using hydroxyapatite powder and recovery silver by electrodeposition
Adsorption of Ag<sup>+</sup> ions using hydroxyapatite powder and recovery silver by electrodeposition Open
Nowadays, waste of electrical and electronic apparatuses generated in huge amount surround the earth and has become a global environmental issue. Electronic waste contains large amounts of metal ions, such as Au, Ag, Cu, Pd, Pb and Cd etc.…
View article: Curcumin-removed turmeric oleoresin nano-emulsion as a novel botanical fungicide to control anthracnose ( <i>Colletotrichum gloeosporioides</i> ) in litchi
Curcumin-removed turmeric oleoresin nano-emulsion as a novel botanical fungicide to control anthracnose ( <i>Colletotrichum gloeosporioides</i> ) in litchi Open
During curcumin production in Vietnam, curcumin-removed turmeric oleoresin (CRTO) has been considered as a by-product. It costs to treat the by-product to prevent environmental pollution. In this study, the by-product was utilized as an ac…