This study explores the potential of silver nanoparticles (AgNPs) synthesized through an eco-friendly method using coffee extract to combat non-bacterial mastitis in dairy cattle. Mastitis, often caused by pathogens such as yeasts and algae like Prototheca spp., poses a challenge due limited efficacy traditional antibiotics. research utilized strains isolated from milk assessed nanoparticles’ physicochemical properties, antimicrobial efficacy, impact on biofilm formation microorganism...

Monte Carlo simulations combined with the parallel tempering technique are used to study freezing of Ar, CH4, and their mixtures in a slit graphite nanopore. For all systems, solid/liquid coexistence line is located at higher temperature than that for bulk phase, as expected fluids which wall/fluid interaction stronger fluid/fluid interaction. In case mixtures, phase diagram confined system same type (azeotropic). It also found temperatures mixture much more affected by pressure those phase....

Polyetheretherketone (PEEK), due to its excellent mechanical and physico-chemical parameters, is an attractive substitute for hard tissues in orthopedic applications. However, PEEK hydrophobic lacks surface-active functional groups promoting cell adhesion. Therefore, the surface must be modified order improve cytocompatibility. In this work, extreme ultraviolet (EUV) radiation two low-temperature, EUV induced, oxygen nitrogen plasmas were used modification of polyetheretherketone. Polymer...

Freezing of mixtures confined in silica nanopores is investigated by means experiment and molecular simulation. The experiments consist differential scanning calorimetry dielectric relaxation spectroscopy measurements for CCl4/C6H5Br Vycor having pores with a mean diameter about D=4.2 nm. Molecular simulations grand canonical Monte Carlo combined the parallel tempering technique Lennard-Jones Ar/Kr cylindrical nanopore D=3.2 experimental simulation data provide consistent picture freezing...

In this work, the effect of extreme ultraviolet (EUV) radiation and combination EUV low-temperature nitrogen plasma on physico-chemical properties polyetheretherketone (PEEK) surfaces were presented. The laser-plasma source based a double gas puff target was used in experiment to irradiate PEEK with nanosecond pulses produce through photoionization photons. changes surface morphology irradiated polymer samples examined using atomic force microscopy (AFM) scanning electron (SEM). Chemical...

Abstract The paper reports on a qualitative comparison between experimental measurements and molecular simulations of the freezing melting azeotropic mixtures confined in nanoporous materials. Dielectric relaxation spectroscopy was used to determine solid/liquid phase diagram CCl4/C6H12 activated carbon fibres. Grand Canonical Monte Carlo combined with parallel tempering technique were model Lennard–Jones mixture Ar/CH4 graphite slit pore. structure crystal is investigated by means...

Abstract We report experimental measurements of the melting mixtures confined in nanoporous materials. Dielectric relaxation spectroscopy (DRS) was used to determine solid–liquid phase diagram bromobenzene/carbon tetrachloride (C 6 H 5 Br /CCl 4 ) controlled pore glasses (CPGs) with an average diameter = 7.5 nm. Our results show that mixture is same type as for bulk, but coexistence lines are located at different temperatures. These compared those previously obtained CCl /C activated carbon...

This paper reports on a Grand Canonical Monte Carlo study of the freezing and melting Lennard–Jones Ar/Kr mixtures confined in slit pore composed two strongly attractive structureless walls. For all molar compositions temperatures, pore, which has width 1.44 nm, accommodates contact layers one inner layer. Different wall/fluid interactions are considered, corresponding to walls that have larger affinity for either Ar or Kr. The solid/liquid phase diagram mixture is determined results...

We present our recent results, related to nanoscale imaging in the extreme ultraviolet (EUV) and soft X-ray (SXR) spectral ranges demonstrate three novel systems recently developed for purpose of obtaining high spatial resolution images objects with EUV SXR radiations. All are based on laser-plasma sources, employing a double stream gas puff target. The full field microscopes—operating at 13.8 nm 2.88 wavelengths, respectively—are currently capable nanostructures sub-50 relatively short...

The aim of this study was to obtain a superhydrophobic coating by modifying anodized aluminum using polydimethylsiloxane (PDMS). In order on an substrate, multistage treatment implemented. Specimens were treated abrasive blasting, anodization in sulfuric acid, impregnation PDMS, rinsing toluene remove excess and curing. A rough surface with additional low free energy layer it resulted effect. obtained has average contact angle 159°. specimens tested terms durability natural conditions....

The fundamental aspect of the fabrication microporous, fibrous biomaterials in form scaffolds is optimization their surface properties to enhance cellular response. In this work, a novel approach physico-chemical modification and bioactivity enhancement electrospun polycaprolactone (PCL) nonwovens using soft X-ray/extreme ultraviolet (SXR/EUV) irradiation exposure low-temperature, SXR/EUV induced, nitrogen oxygen plasmas presented for first time. Chemical alterations morphology structure...

Soft X-ray contact microscopy potentially allows imaging of wet living biological specimens at a spatial resolution higher than optical and without many the constraints scanning electron microscopy.In this paper, we present development laboratory scale microscope that uses laser produced plasma soft source.The source is based on double-stream gas-puff target approach it operates in "water window" spectral range which enables to capture images samples with natural contrast.In preliminary...

The effect of nanosecond electromagnetic pulses on human health, and especially forming free radicals in cells, is the subject continuous research ongoing discussion. This work presents a preliminary study single high-energy pulse morphology, viability, radical generation mesenchymal stem cells (hMSC). were exposed to with an electric field magnitude ~1 MV/m duration ~120 ns generated from 600 kV Marx generator. cell viability morphology at 2 h 24 after exposure examined using confocal...

In this work, low-temperature photoionized plasma, induced in N 2 by extreme ultraviolet (EUV) pulses, was used for surface modification of poly(L-lactic acid) (PLLA).Polymer samples were irradiated with 100, 200, and 300 pulses at a 10 Hz repetition rate.The physical chemical properties PLLA examined using atomic force microscopy (AFM) X-ray photoelectron spectroscopy (XPS).The human dermal fibroblast adult cells (NHDF-Ad) the cell culture viability tests on modified surfaces.The -plasma...

In this work we present three experimental, compact desk-top imaging systems: SXR and EUV full field microscopes the contact microscope. The systems are based on laser-plasma sources a double stream gas puff target. microscopes, operating at 13.8 nm 2.88 wavelengths capable of nanostructures with sub-50 spatial resolution short (seconds) exposure times. microscope operates in “water-window” spectral range produces an imprint internal structure imaged sample thin layer sensitive photoresist....

The study aimed to test the durability of coatings under natural conditions. present focused on changes in wettability and additional properties specimens were subjected outdoor exposure additionally immersed pond. Impregnating porous anodized aluminum is a popular production method for hydrophobic superhydrophobic surfaces. However, prolonged such conditions causes leaching impregnate and, thus, loss properties. After properties, all kinds impurities fouling adhere better structure....

In this work, a comparative study of extreme ultraviolet (EUV) induced low temperature SF6-based plasmas, created using two different irradiation systems, was performed. Both systems utilized laser-produced plasma (LPP) EUV sources. The essential difference between the concerned formation driving beam. first one contained an efficient ellipsoidal collector allowing for focusing radiation at large distance from LPP source. spectrum focused limited to long-wavelength part total emission, λ...

This work is to study the relationship between exposure conditions and quality of cell imaging with soft X-ray contact microscopy (SXCM). It a crucial step in efficient visualization structures. Three different human lines: DU145 prostate carcinoma cells, HCC38 breast cancer Poietics mesenchymal stem cells were used establish optimal SXCM. The image depended on (SXR) absorbed energy photoresist development conditions. At lower SXR (200 or 400 pulses), sharp edges, membrane projections,...

Abstract Modification of the surfaces polymeric scaffolds is often required to make material suitable for specific tissue engineering applications. Physico-chemical properties can be altered using various methods, such as plasma treatment, laser processing, chemical modifications, grafting with nanoparticles, or surface coating. In this paper physico-chemical modification polycaprolactone (PCL) fibers was performed by exposing PCL samples simultaneous soft X-ray/extreme ultraviolet (SXR/EUV)...

The shielding electromagnetic (EM) waves is a very important field of the electronics, telecommunications and IT industries. phenomenon interference (EMI) can be source in electronic systems, which both disrupt operation systems provide breach to intercept flow classified information. Hence, it necessary shield prevent coupling circuits monitoring data emitted form waves. An additional threat resulting from EMI possibility inducing high voltages currents that may temporarily or permanently...

We present spectral emission characteristics from laser-plasma EUV/SXR sources produced by irradiation of < 1 J energy laser pulse on eleven different double stream gas puff targets, with most intense electronic transitions identified in the range nm to 70 wavelength which corresponds photon 18 eV 1240 eV.The spectra were obtained using grazing incidence and transmission spectrographs laser-produced plasma emission, formed interaction a beam target.Laser pulses duration 4 ns 650 mJ used for...