Self-healing vulcanized natural rubber (V-NR) was prepared with MgO/ZnO as a binary activator system in the study. Standard Vietnam Rubber Grade 3L (SVR3L) was used as NR source. The SVR3L was vulcanized with ZnO, MgO/ZnO, or MgO as activators and other vulcanizing reagents.

In this study, we synthesized YPO4:x%Tb3+ using the combustion synthesis method and investigated the effects of annealing temperature and dopant concentration on the structural, morphological, and optical properties of the material.

Acetylcholinesterase (AChE) has been one of the important and potential targets in the discovery, and development of new drugs for treating and slowing the progression of Alzheimer's disease (AD). This research suggests potential structural frameworks for synthesizing AChE inhibitor derivatives for treating AD.

Recent research is focusing on the development of bio-packaging materials by mixing different polymers to enhance the bonding strength within the matrix and combining favorable properties of the constituent materials. This work developed a bio-packaging material by combining chitosan, gelatin, and glycerol.

This paper was performed to evaluate the photothermal effect of pure gold nanoparticles (Au NPs) prepared by electrochemical method at different voltages, under laser irradiation in the safe wavelength range. The formation, morphological, and structural properties of Au NPs were analyzed by UV-Vis absorption spectroscopy, transmission electron microscopy (TEM), and X-ray diffraction (XRD).

BiFeO3 (BFO) was synthesized using a combustion sol-gel method from reactants of Bi(NO3)3.5H2O and Fe(NO3)3.9H2O with various complexation reagents. The absorbance and photocatalytic activity of BFO on Methylene Blue (MB) decomposition were studied using infrared (IR) and UV-Vis spectroscopy.

n this work, pectin was extracted from pomelo peel while rice husk ash was used for silica recovery. The obtained CPS were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and Field emission scanning electron microscopy (FE-SEM).

In this paper, ZnO/CuO/Ag ternary composites were successfully synthesized by hydrothermal method using Zn(NO3)2.6H2O, Cu(NO3)2.3H2O and AgNO3. The composite samples were characterized using X-Ray diffraction (XRD), Scanning Electron Microscopy (SEM) and Raman spectroscopy.

In this work, ZnFe2O4 nanoparticles were synthesized by hydrothermal method while the hummer method was used to synthesize GO nanosheet. GO/ZnFe2O4 nanocomposites (GO/ZFO) were prepared by mixing GO with ZnFe2O4 in mass ratio of 1:99, respectively.

In this study, spinel ferrite nanoparticles CoFe2-xLaxO4 (x = 0, 0.025, and 0.05) were successfully synthesized via a simple co-precipitation method using a 5% NaOH solution as a precipitating agent. The physicochemical properties of the materials, annealed at 850 °C for one hour, were characterized using powder X-ray diffraction (PXRD), energy-dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), and vibrating-sample magnetometry (VSM) at room temperature.

This dissertation aims to investigate the electrical impedance properties of fruits and vegetables, and explore the relationship between impedance and quality criteria. In particular, the present dissertation outlines experimental research conducted on relationships between impedance properties and fruit tastes as well as the impedance changes observed during ripening process. Impedance measurement to monitor moisture content changes in the progress of drying is also included in this research.

The focus of this study is to investigate its optical and conductive properties under different conditions of doping environments, temperature and polymerization conditions. Optical characterization technique such as UV-Visible spectroscopy is developed to carry out the investigation. The developed nanofibers have been demonstrated to possess optical and conductive properties to be dependent on doping variables. Study of these optical properties could prove very useful in the development of electrochromic devices and gas sensors.

The objectives of this research work are: Study the clay intercalation by organic dye and develop a process to produce nanoclay-dye pigment with better stability and good performance; Conduct structural characterization to verify the level of intercalation and stability of clay-dye pigment by using X-Ray diffraction (XRD) and Transmission Electron Microscopy (TEM); Investigate the thermal stability of clay dye pigment using Thermo Gravimetric Analysis (TGA) to reveal the effect of dye intercalation into the clay on improving thermal stability of organic dye; Compound the clay- pigment with polymer and examine the effect of clay-dye pigment on the thermal and UV stability of pigmented polymer clay nanocomposites.

This work investigates the generation of neutron flux inside lead shielding due to cosmic rays as a function of shielding thickness by use of the GEANT Monte-Carlo modelling code. GEANT allows for the Monte-Carlo modelling of the transport of particles in matter. This includes muons, the particles of interest here, which originate from cosmic ray showers.

In this study, we investigated the microstructure of such doped fuels as well as a reference standard UO2 by positron annihilation spectroscopy (PAS). Although this technique is particularly sensitive to lattice point defects in materials, a wider application in the UO2 research is still missing.

In this article, we will first discuss the issues of the prompt g-ray spectroscopy regarding the control of all the uncertainties involved in the (n,n0g) cross section estimation. Secondly, we will focus on the role of theoretical modeling which, in certain cases, is crucial to reach the objectives of a few percent uncertainty on the (n,n0) cross sections.

The corrosion inhibition efficiencies of two novel Schiff bases, namely (E)-3-[thiophen-2-lmethyleneamino]benzoic acid (T2YMABA) and (E)-4-(5-[(2-phenylhydrazono) methyl]thiophen-2-yl)benzoic acid (PHMT2YBA) on mild steel (MS) in 1.0M HCl solution has been investigated and compared using electrochemical impedance spectroscopy and potentiodynamic polarization analysis.

In this article, magnetically nanoparticles (MNPs) of CuFe2O4 were prepared and characterized using Fourier transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction and transmission electron microscopy techniques.

The presence of heterocyclic moiety in diverse compounds, strongly indicative of the desired effect on physiological activity, and it reflects on efforts to find useful synthetic drugs.

Bài thuyết trình Matrix – Isolation raman spectroscopy bao gồm những nội dung về kỹ thuật MI(Matrix-Isolation), phương pháp tổng hợp các phân tử mẫu MI, cấu tạo của thiết bị tạo mẫu MI, phổ MI Raman, ứng dụng của phổ MI Raman.