Annually, antimicrobial-resistant infections-related mortality worldwide accelerates due to the increased use of antibiotics during coronavirus pandemic and antimicrobial resistance, which grows exponentially, disproportionately current rate development new antibiotics. Nanoparticles can be an alternative therapeutic approach against multi-drug resistance microorganisms caused infections. The motivation behind this work was find a superior antibacterial nanomaterial, efficient,...

The use of a combination nanoparticles as antimicrobial agents can be one strategy to overcome the tendency microbes become resistant antibiotic action. Also, optimization nano-photocatalysts efficiently remove persistent pollutants from wastewater is hot topic. In this study, two composites ZnO/Au (1% wt.) and ZnO/Ag were synthesized by simple aqueous solution methods. structure morphology r nanocomposites analyzed structural optical characterization formation AuNPs AgNPs in these...

Rapid developing antimicrobial resistance due to broad antibiotic utilisation in healthcare and food industries the non-availability of novel antibiotics represents one most critical public health issues worldwide. The current advances nanotechnology allow new materials address drug-resistant bacterial infections specific, focused biologically safe ways. unique physicochemical properties, biocompatibility, wide range adaptability nanomaterials that exhibit photothermal capability can be...

Channel-spark pulsed electron beam deposition (CS), a new method based on simple and inexpensive system, has been used for preparation of high-quality GdBa2Cu3O7-x, Gd1-xEuxBa2Cu3O7-x YBa2Cu3O7-x thin films epitaxially grown NdGaO3 SrTiO3 substrates. Typical critical temperatures zero DC resistance lie in the intervals 87-89 K Y-based 91.0-92.6 Gd- GdEu-based ones. The transition widths best are less than 0.5 K. current densities reach values 3*106 A cm-2 at 77 K, field.

The superconductor-normal-metal phase transitions in V/Cu superlattices have been studied parallel and perpendicular magnetic fields. Two crossovers from three-dimensional to two-dimensional observed magnetoresistance R(H,T) dependencies of the fluctuating conductivity \ensuremath{\sigma}'(T) a field. crossover low field is caused by fact that superconducting coherence length ${\ensuremath{\xi}}_{\mathit{S}}$(T) becomes order superstructure period \ensuremath{\Lambda}. high due competition...

We derive kinetic equations for polaron hopping in organic materials that explicitly take into account the double occupation possibility and pair intersite correlations. The include simplified phenomenological spin dynamics provide a self-consistent framework description of bipolaron mechanism magnetoresistance. At low applied voltages, can be reduced to those an effective resistor network generalizes Miller-Abrahams includes effect relaxation on system resistivity. Our theory discloses...

The use of nanoparticles as antimicrobial agents can be one the strategies to overcome tendency microbes become resistant antibiotics’ action. In this study, two composites ZnO/Au and ZnO/Ag, having 1% wt. noble metal content, were synthesized by simple aqueous solution methods. structure morphology resulting nanocomposites analyzed standard structural optical characterization formation Au NPs Ag in these experiments was also discussed. properties ZnO, ZnO/Ag nanomaterials investigated...

The growth of ${\mathrm{GdBa}}_{2}$${\mathrm{Cu}}_{3}$${\mathrm{O}}_{7\mathrm{\ensuremath{-}}\mathrm{\ensuremath{\delta}}}$ films on ${\mathrm{NdGaO}}_{3}$ (100) from the early stages nucleation was monitored by in situ electrical conductivity measurements. A breakpoint dependence versus thickness observed at some critical thickness. Atom force microscopy investigations indicate that this corresponds to Stranski-Krastanov transition two-dimensional (2D) layer-by-layer 3D growth. found be...

Oxygen diffusion in ${\mathrm{GdBa}}_{2}$${\mathrm{Cu}}_{3}$${\mathrm{O}}_{7\mathrm{\ensuremath{-}}\mathrm{\ensuremath{\delta}}}$ thin films was investigated by resistivity measurements isobaric and isothermal regimes at an oxygen pressure of 1 mBar the temperature interval 650--1050 K. No difference found between in- out-diffusion processes. The activation energy value ${\mathit{E}}_{0}$ for all measured samples is close to 1.5 eV accounted ab plane. absolute values diffusivity were depend...

In the present paper we report, a series of experimental characterization and analysis models that can be applied to industrial waste samples in order determine heavy metals within them.During our studies determined both preparation pretreatment sample are two most important steps process.Therefore, an increased attention was given using appropriate procedures methods for pretreatment.In ensure correct secure were developed based on stages also organic matrix decomposition method (digestion...

Urbanization and the rise in standard of living generated both a higher quantity waste expansion cities with incorporation solid landfills located originally outside. In many across Romania, are placed very close to settlements, some cases even inside cities. Beside landfill activities, other companies that deal sorting, recycling treatment operates nearby. All these activities generate odorous compounds create odour nuisance. The current study was conducted order evaluate impact highly...

Deposition parameters of tetraethylorthosilicate (TEOS) layers on silicon substrate using Plasma Enhanced Chemical Vapor (PECVD) method were investigated We design the experiment taking into consideration chamber pressure, temperature, RF Power and mass flow rate (oxygen TEOS) to asses their influence deposition rate, film uniformity, refractive index uniformity stress. All results evaluated for applications that require low temperature processing in order avoid damage Microelectromechanical...

Poly vinylidene fluoride (PVDF) is a versatile polymer that shows polymorphism, and most of its applications are based on piezoelectric properties given by polar crystalline phases. Increasing the polymer’s β-phase content has been major pursuit in material science. We present results evolution induced polymorphic changes PVDF through thermal treatment presence nano-ZnO with different morphologies. Three types samples—a pure layer, PVDF:ZnO nanoparticles (NPs) nanorods (NRs)—were subjected...