Herein, a detailed analysis of the dielectrical and optical properties polyvinyl alcohol (PVA)–ZnO nanocomposite films is provided. The ZnO nanoparticles are prepared by sol–gel process, whereas using solution casting technique. dispersion into PVA matrix analyzed with X‐ray diffraction scanning electron microscope. UV–visible spectroscopy used to investigate variation in absorption polymer films, as filler content changes. Linear parameters, such refractive index, extinction coefficient,...

Abstract In the present study, biomass produced by fennel plants ( Foeniculum vulgare Mill.) was converted to yield bioactive chemicals, and hydrodistillation method used extract essential oils (EOs) from both leaves umbels. The antifungal activity of EOs tested using bioassay against development Fusarium oxysporum MW854649 Alternaria solani MT279570. Molecular spectroscopic detection techniques were evaluate EO products gas chromatography–mass spectrometer (GC–MS) Fourier transform infrared...

Novel series of aminopyrimidines bearing a biologically active cyclohexenone 3a-f and oxo-selaneylidene moiety 4, besides selenadiazolopyrimidines (5a-e 7), were synthesised using 5,6-diaminouracils as starting materials. Compound 3a exhibited strong anti-proliferative activity against three cell lines: HepG-2 (IC50 14.31 ± 0.83 µM), A-549 30.74 0.76 MCF-7 27.14 1.91 µM). Also, it was four times more selectively cytotoxic WI-38 lines than doxorubicin. Furthermore, Topoisomerase II 4.48 0.65...

ABSTRACT This study investigated the effects of garden cress seed powder (GCSP) as a natural growth promoter and antioxidant agent in broiler diets, focusing on performance, carcass characteristics, microbial load blood traits. A total 210 1‐day‐old Arbor Acres chicks were assigned to 3 experimental groups completely randomized design. Each group consisted 7 replicates with 10 unsexed per replicate. The dietary treatments included: (A) basal diet without additives (control); (GCSP 1)...

The influence of lead cations on natural quartz (QZ) from Egypt as a glass shielding material for the composition with nominal formula (10Na2O - (90 x) QZ – xPbO (where x = 30, 35, 40, 45 and 50 mol %)) was examined. studied samples are synthesized via melt quenching method at 1050 °C. X-ray diffraction XRD patterns were confirmed nature samples. Moreover, optical properties, transparency all compositions examined by UV–Vis spectroscopy. Also, major elemental estimated fluorescence (XRF)...

Abstract Heavy metals are among the problematic groups of contaminants. They discharged from various industries. The wastewater disposed by heavy is causing major hazards to environment. Different hydrogels based on Gelatin (gelt/AAm/EDTA) and nano- (Fe 3 O 4 /gelt/AAm/EDTA) were prepared gamma radiation at 60 KGy employed for elimination. structure surface morphology manufactured confirmed with FTIR, X-ray, area, SEM. characterized in terms their gel content. swelling properties studied as...

Synchrotron radiation-based techniques [X-ray absorption near-edge structure (XANES) and X-ray fluorescence (XRF)] combined with inductively coupled plasma-mass spectrometry (ICP-MS) were used for the assessment of heavy metals concentrations as well lead (Pb) nickel (Ni) speciation in airborne particulate matter (PM10) over two residential sites Greater Cairo. Nineteen 24 h high-volume samples collected at Giza (G) Square Helwan (H) University (Egypt) selected this study. Mean PM10 both...

Structures, heats of formation, ionization energies, and proton affinities selenium, argon dimer, argon-chlorine, their hydrides (Se, SeH, SeH2, ArH, ArH2, Ar2, Ar2H, Ar2H2, ArCl, ArHCl) are estimated by quantum chemistry calculations using G3, G4, W1 composite methods coupled cluster approach at the CCSD(T)/aug-cc-pVTZ levels. Thermochemistry reactions between ions A(+) = Se(•+), SeH(+), SeH2(•+), SeH3(+), Ar2(•+), Ar2H(+), Ar2H2(•+), Ar2H3(+), ArCl(+), ArClH(•+), ArClH2(+) with various...

Sparfloxacin is analyzed using FTIR and UV-Vis spectrometers; theoretically the structure geometry optimized density functional theoretical approach with method of calculation. After optimization, vibrational frequencies are calculated. An acceptable match observed between measured calculated data. Electron molecule studied by natural bond orbital (NBO) methodEnergy difference found equal 4.314 eV this in energy high occupied molecular orbitals (HOMO) (lowest unoccupied orbitals) LUMO...

Study on the thermochemistry of species (40Ar35Cl+, 59Co16O+, 36Ar38Ar1H+, 38Ar37Cl+, 36Ar39K+, 150Nd++, 150Sm++and 150Eu++) that interfere with arsenic in inductively coupled plasma mass spectrometer. Moreover (AsCH3F+, AsF+, AsCH2+, AsCHF+ and AsO+) result from reactions between different gases such as H2, O2 CH3F which are common used dynamic reaction cell-inductively plasma- spectrometer have been investigated. The structures polyatomic molecules optimized; ionization energies, heats...

In this study, a spectroscopic characterization was conducted for natural milky quartz sample from Wadi Araba at the Egyptian Eastern Desert.This material studied using scanning electron microscope (SEM), X transform infrared spectrometer (FTIR), plasma optical emission (ICP current raw samples were use conditions.The results revealed that gamma radiation had slight influence on color of samples.XRF and ICP sample.The ESR spectrum accomplished room temperature displays intrinsic defects such...

Abstract In this study, the structural and optical characteristics of CR-39 films were investigated both theoretically experimentally. A number parameters for structure computed by density functional theory (DFT) method at B3LYP/6–311 G (p, d) level theory. FTIR UV/Vis spectroscopy used to determine compositions CR39 film, respectively. The experimental findings show good concordance. It was found that compound’s total energy, dipole moment, energy difference between LUMO HOMO were,...

This study synthesized a Fe2O3/mordenite composite characterized by different methods (XRD,SEM, HRTEM, X-ray fluorescence and surface area). The removal efficiency of phenol using the was investigated under various experimental conditions, such as temperature, pH, initial concentration, catalyst dosage. results showed that exhibited excellent catalytic activity, with maximum 98.3% optimized conditions 30 °C, pH 7, 100 mg/L 0.1 g/L data show an fit Freundlich model R2 value 0.995, indicating...