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March 2012 - March 2013
Publications
Publications (13)
Calixarenes are a group of materials that are widely used for gas sensing studies because of their simple synthesis, conformational flexibility, binding group tunability, variability in their cavity sizes and improved selectivity to different gas molecules. In recent years it has been shown that incorporation of gold nanoparticles (AuNPs) into orga...
The effect of annealing time on the optical properties of dodecanethiol encapsulated gold (C12-Au) nanoparticles with 3.04 nm in diameter was studied. Monolayer and multilayer films were prepared by the Langmuir–Schafer (LS) deposition method. The films’ morphology and their optical properties were investigated by AFM and absorption spectroscopy re...
The adsorption of gaseous molecules (CO2, SO2, and NO2) on the BN bilayer has been examined via density functional theory (DFT) simulations to determine the potential for gas sensor detection. CO2 and NO2 molecules are low physically adsorbed on the BN bilayer with low adsorption energies and visible charge transfer. Wheras SO2 adsorbed on the BN b...
Concentration of air pollutants CO, NO2, SO2, O3, PM10, PM2.5 in four Iraqi cities (Al-Najaf, Al-Muthanna, Maysan, Kirkuk) and PM2.5 in Baghdad city were monitored and analysed for the period September 1, 2019 to August 31, 2020. The results showed that the daily mean concentration of CO, NO2 for the four cities are well below the WHO air quality s...
In this study, improving the mechanical properties of Porcelain-CaSiO 3 bioactive composites has been investigated by X-ray diffraction (XRD), flexural strength, and Vickers microhardness tester. Preparing the porcelain-CaSiO 3 composite has been done using the sol-gel method from Si(OC 2 H 5 ) 4 , Ca (NO 3 ) 2 .4H 2 O as starting materials and HNO...
In this study, the bioactivity of CaSiO3 and Porecalin-CaSiO3 composites have been investigated utilizing X-ray diffraction (XRD) and scanning electron microscopy-Energy-dispersive X-ray spectroscopy (SEM-EDS). CaSiO3 and P-CaSiO3 are prepared by Sol-Gel method for different weight percentages of CaSiO3 (P90CS10, P80CS20 and P70CS30 wt. %). The in...
A Six-chamber lab-scale electrodialysis stack was made using six plexi-glass sections. The stack contained two compartments pairs (two diluate solution compartments and two concentrate solution compartments). Two graphite sheets were used as anode and cathode electrodes. Anion exchange membranes (AEM) and cation exchange membranes (CEM) were altern...
- Probable link between Covid-19 confirmed registered total cumulative no. of infection cases and deaths in five Iraqi cities (Baghdad, Al-Najaf, Kirkuk, Maysan, Al-Muthana) (until 24/7/2020) with particulate matter PM2.5 daily mean concentration during the period 1/10/2019 - 31/12/2019.
- Probable link between no. of No. of days exceeding PM10 da...
Surface morphology and optical properties in term of Surface Plasmon Resonance (SPR) of 4-methylbenzenthiol capped gold nanoparticles using Langmuir-Schaefer (LS) technique were studied. 1 and 3-layers nanoparticle films with 1mg/ml in concentration have been prepared. Gold nanoparticles films were annealed at 200 o C for 1h. Film's morphology and...
