Abstract A helium cold atmospheric pressure plasma jet (HCAPPJ) driven by a commercial neon power supply was designed and utilized for inactivation bacteria. The generated reactive spices HCAPPJ were investigated optical emission spectroscopy. species of OH, OI, N 2 1+ , He identified in the UV–Vis wavelength region. not detected between 200 nm 300 nm, as flow rate gas increased that led to temperature reducing value near room temperature. In this work, we studied impact on Gram-positive...

In this work, the bacteria inactivation using nonthermal atmospheric pressure plasma has been studied. The was conducted a self-design jet system. During experiment, Escherichia coli used as an objective microorganism. primary operating gas for in work is helium, and small fractions of oxygen or nitrogen (0.2%) were secondary gas. three cases operated at 3.5 kV, 14 l/m, 7 mm, which represented applied voltage, flow rate, distance from nozzle, respectively. types reactive species have...

The present study introduces a theoretical framework according to the Moore-Gibson-Thompson (MGT) Model in context of generalized thermoelasticity theory. excited semiconductor material is utilized formulate governing equations one dimensional (1D) with non-local parameter. According photo- theory, overlapping between electronic (optical) deformation and elastic taken into account. During photo-excitation processes, equation motion heat introduced model (MGT). novel describes interaction...

Abstract This work studies the influence of plasma-activated water (PAW) on decontamination beef and its color, pH, thiobarbituric acid reactive substance values (TBARS), total volatile basic nitrogen (TVBN) meat. PAW was generated using non-thermal atmospheric pressure plasma jet (NTAPPJ). He + 0.2% N 2 O were used as worker gas to generate PAW. The produced by system exhibited a higher potential for than that system. lightness value ( L *) treated does not exhibit noticeable difference...

The current study was carried out to reveal the possible impacts of non-thermal plasma on water uptake by seeds, seed germination and vigor seedlings watermelon seeds using cold jet at atmospheric pressure room temperature. Cold with nitrogen gas sources employed in this study. Five treatment doses one control were used conduct parameters. effects different duration time treated studied. operated 3 Kv 14 l/min as a fixed input voltage flow rate respectively. increased percentage well growth...

Cold atmospheric pressure plasma jets were capable of generating cold plumes that not confined by electrodes, which make them very enticing for biological, medical and polymer applications. During this work, experimental study a low frequency, plasma-jet discharge in nitrogen has been presented. The operation device was conducted with commercially neon power supply. process operated using as input gas different flow rates. results showed the maximum jet length 7 mm detected at 3 Kv voltage...

In silico technique was applied to screen potential of 16 compounds 5,5-dimethylthiohydantoin derivatives as androgen antagonist. The 3D structure the protein obtained from PDB database. Docking analysis performed using hex docking. Molecular modeling exhibits relatively low LUMO-HOMO energy gap studied molecules, indicating that it would be kinetically stable. None violated Lipinski's parameters, making them potentially promising agents for biological activities. title exhibited lowest...

In this work, the surface dielectric barrier discharge (SDBD) plasma treatment was used to sterilize palm date fruits. N2SPS, N2FNS, and hydroxyl radical have emerged in emission spectrum of from SDBD. The effects SDBD on A. niger that extracted varieties were investigated. After 15 days incubation, reduction at a 3 min exposure time 4 log. total phenolic content Ajwa variety after has been documented as highest value among other varieties; it 1.65-fold untreated one. treated using recorded...

Abstract The potential of the surface dielectric barrier discharge technique (SDBD) was evaluated to decontaminate date palm fruit. Preliminary investigations emphasized that Aspergillus niger fungus predominant in most samples as a post-harvest infestation. influence SDBD techniques on viability A. isolated from varieties investigated and documented. Physical chemical characterizations treated dates were assessed, statistical correlation coefficients calculated elucidated. A 4 log 10...

In the context of two-temperature thermoelasticity theory, a novel mathematical-physical model is introduced that describes influence moisture diffusivity in semiconductor material. The Two-dimensional (2D) Cartesian coordinate used to study coupled between thermo-elastic, plasma waves, and Moisture Diffusivity. Dimensionless quantities are main physical fields Laplace transform domain. For unknown variables, some conditions applied at free surface medium according two temperature get...

In this paper is investigating the theory of generalized thermoelasticity under two temperature used to solve boundary value problems 2-D half-space its bound?ary with different types heating gravity effect. The governing equations are solved using new mathematical methods context Lord-Shulman, Green-Naghdi type III (G-N III) and three-phase-lag model inves?tigate surface waves in an isotropic elastic medium subjected field, magnetic initial stress. general solution obtained applied a...

Nickel-titanium (Ni-Ti) shape memory alloys (SMAs) are attractive materials for orthopedic and dental implants, due to its two intrinsic properties including effect (SME) superelasticity (SE), which may not be found in other commonly- used surgical metals. Possible Ni ion release, however, hampers their medical applications, particularly implants where fretting is always expected at the articulating surface. Inductively coupled radio frequency plasma (ICRFP) was employed alter surface of...

The nitriding behavior of cold rolled Fe93Ni4Ti3 specimens was compared with that hot the same materials. Radio frequency (rf) performed for 10 minutes in a 10-2 mbar nitrogen atmosphere. continuous plasma power varied from 300-550 W steps 50 or less. Results optical microscopy (OM), x-ray diffraction (XRD) and microhardness measurements (Hv) are presented discussed regard to influence kind rolling on behavior, particularly nitride formation layer growth mechanical properties. results show...

In this paper, a novel technique of stochastic thermoelastic interactions by using the theory dual phase-lag is studied. A one-dimensional (1-D) problem was discussed. Silicon material regarded as an example our half space ( 0x  ) problem.As nature changeable, boundary conditions were chosen to be also random combining function it.So, noise added make it more actual. White assumed additional because most prevalent type. The Wiener process function. Laplace transform method used solve in...