This paper investigates the efficacy of photodynamic activation (PDA) using herbal extract in combination with low-power laser treatment against both Gram-positive (Streptococcus mutans) and Gram-negative (Klebsiella pneumoniae) bacteria. The study explores the threats posed by these bacteria and highlights their resistance mechanisms. Various experiments, including colony formation assays, minimal inhibitory concentration tests, and bacterial […]
Hydrogen molecular ion H_2^+ is generally accepted as the simplest molecule. On the other hand, the Born-Oppenheimer approximation is almost invariably the mandatory one starting point for the quantum-mechanical treatment of molecular systems. It consists of the separation of the electronic and nuclear degrees of freedom which is possible because of the enormous difference between […]
We investigate the effect of pre-bunched relativistic electron beams on the output power of a free electron laser by two electron beams in a theoretical study. In general, this highly coherent and stable pulse of laser is known as the best investigator of basic importance for present-day science. Free electron lasers are the best candidates […]
The impact of rotation and dust polarization force on Kelvin-Helmholtz instability (KHI) in a magnetized, velocity-sheared dusty plasma is explored in this study. The investigation involves deriving the general dispersion relation from the linearized perturbation equations. The dispersion relation is solved numerically to analyze how dust polarization force and rotation influence the critical shear and […]
Tokamak reactors’ performance is inherently tied to the precise control of plasma shape, position, and current while staying within the operational constraints, specifically managing the control signals and power supply voltages. Furthermore, many tokamak models exhibit strong coupling between control variables, necessitating the use of Multiple-Input Multiple-Output (MIMO) decoupling controllers. The primary control objectives include […]
VERA benchmark cases have been introduced by ORNL and detailed guidelines have been provided including the burnup chain data for a depletion analysis. The purpose of this paper was to analyze the performance of MCNP Monte Carlo code using VERA benchmark cases. Research on the VERA benchmark cases become important because its results will be […]
In this study, gold and silver nanoparticles (AuNPs, and AgNPs) were prepared by laser ablation in water using Nd:YAG laser at wavelength is 1064 nm, 1Hz frequency . The prepared nanoparticles were deposited on a silicon wafer of (100) direction by dip coating technique. The FE-SEM results showed the nanoparticles that the spherical shapes with […]
Dielectric barrier discharge (DBD) plasma has several applications in different fields. One of these fundamental applications is medical usages, where various methods are employed to improve the plasma treatment process. The combination of different gases is one of the important strategies to improve the performance of plasma in treatment. In this paper, the optimized plasma […]
The study of lead-free glasses for radiation shielding applications has drawn global attention. This work aimed to theoretically investigate the impact of Bi2O3 on X-ray shielding characteristics of telluro-borate-bismuth glass samples, in the 15 – 300 keV energy region. Sample S5 (55B2O3 – 5TeO2 – 20SrO – 5ZnO – 15Bi2O3) yielded highest LAC, MAC, and […]
