Acute and chronic toxicity assessments of 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) on the calanoid copepod Acartia clausi: Effects on survival, development, sex-ratio and... by Emna, Djebbi

“…The main observed effects were the decrease of females’ prosome length, the feminization of the population and the reduction of the egg production for the generation F0 at 100 μg L-1 of EE2. …”
Get full text
Get full text
Get full text

Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar by Khaled, Salma M.

“…The data for 2020/21 showed a 35.1% and 29.2% decrease in depression and anxiety symptoms scores compared to pre-pandemic years (2017/2018) after adjusting for sociodemographic factors. …”
Get full text
Get full text

Application of magnetic nanoparticles for the removal of oil from oil-in-water emulsion: Regeneration/reuse of spent particles by Elmobarak W.F.

“…The observed %Roil at a pH of 4 and Csur of 0.05 g/L was observed to be > 90 ± 0.1% and decreased by either rising the pH to 7 or increasing the Csur to 0.1 g/L. …”
Get full text
Get full text

Tailoring electrocatalytic properties of Pt nanoparticles grown on Ti3C2Tx MXene surface by Filip, Jaroslav

“…Composites containing 14 wt% Pt showed HER with an onset potential of −75.9 mV and a current density of −10 mA cm−2 achieved at −226 mV. …”
Get full text
Get full text
Get full text

Pd nanocrystals encapsulated in MOF-derived Ni/N-doped hollow carbon nanosheets for efficient thermal CO oxidation: unveiling the effect of porosity by Ipadeola, Adewale K.

“…The obtained Pd/Ni-MOF-HNC possesses hollow carbon sheets with a great surface area (153.05 m2 g−1), pore volume (0.12 cm3 g−1), rich Pd/Ni-Nx active sites, Ni-metal defects, rich N-content (7.53 at%), mixed Pd/Ni-oxide phases, and uniformly distributed ultra-small Pd nanocrystals (7.03 ± 1.10 nm); meanwhile, Pd/Ni-MOF-NC formed without etching had no porosity and less Ni-metal defects. …”
Get full text
Get full text
Get full text

Foamed phase change materials based on recycled polyethylene/paraffin wax blends by Sobolčiak, Patrik

“…Differential Scanning Calorimetry was used to determine the specific enthalpies of melting (22.4–25.1 J/g) what is the latent heat of materials utilized during a heat absorption. A stability of samples during 10 heating/cooling cycles was demonstrated. …”
Get full text
Get full text

Influenza prevalence and vaccine efficacy among diabetic patients in Qatar by Swapna, Thomas

“…Among DM patients, influenza was the most prevalent respiratory pathogen at 48.9%. Influenza virus A (IVA) was the most circulating type, contributing to 38.4%, followed by IVB contributing to 10.4% of total respiratory infections. …”
Get full text
Get full text
Get full text

Influenza prevalence and vaccine efficacy among diabetic patients in Qatar by Swapna, Thomas

“…Among DM patients, influenza was the most prevalent respiratory pathogen at 48.9%. Influenza virus A (IVA) was the most circulating type, contributing to 38.4%, followed by IVB contributing to 10.4% of total respiratory infections. …”
Get full text
Get full text
Get full text

Synthesis and characterization of stir casted Cu-ZrO2-Graphite hybrid metal matrix composites for thermal management structures by Mittal, Prateek

“…The density of the composite sample containing 2 wt. % of each reinforcement was found to be 8.01 g/cm3 which was 10% lesser than pure copper. Hardness of pure copper sample was found to be 35.71 BHN; however, the hardness of composite sample containing 4 wt. % of each of the reinforcements was found to be 70.14 BHN which indicates an increase of around 100%. …”
Get full text
Get full text
Get full text

Prevalence and Phylogenetic Analysis of Parvovirus (B19V) among Blood Donors with Different Nationalities Residing in Qatar by Abdelrahman, Doua

“…B19V DNA prevalence statistically decreased with age (p = 0.03). Anti-B19V IgG was detected in 60.3% (561/930) of the tested samples, while only 2.1% (20/930) were IgM-positive and 1.2% (11/930) were both IgM- and IgG-positive. …”
Get full text
Get full text

Enhanced oil recovery using hyperbranched polyglycerol polymer-coated silica nanoparticles by Elmobarak W.F.

“…A DPSiMNPs = 100 mg/L was sufficient to achieve %?dem of 99.4% for Coil = 100 mg/L and slightly decreased to ~93% for Coil ~4000 mg/L. …”
Get full text
Get full text

Bioremediation and nutrient removal from wastewater by Chlorella vulgaris by Znad H.

“…Over a 13-day period the highest biomass concentration Xmax of 1.6 g L−1 was attained for PWW with corresponding values of 1.2 d−1, 80% and 100% for μ, and TN and TP RE respectively. μ decreased to 0.75 d−1 for a 75%:25% blend of PWW with MLA and to 0.54 d−1 on further decreasing the blend ratio to 25:75 PWW: MLA, with corresponding TN removal efficiencies of 85% and 76% respectively; 100% removal of TP was obtained throughout. …”
Get full text
Get full text

Novel Electroless Deposited Corrosion - Resistant and Anti-Bacterial NiP-TiNi Nanocomposite Coatings by Fayyad, Eman

“…From acidic NiP electroless bath, the co-deposition of TiNi nanoparticles in the NiP matrix to form novel NiP-TiNi nanocomposite coatings (NCCs) on top of API X100 carbon steel using several concentrations of TiNi nanoparticles (0.2, 0.4 and 0.8 g L-1 in the bath) is successfully achieved. …”
Get full text
Get full text

Novel electroless deposited corrosion — resistant and anti-bacterial NiP–TiNi nanocomposite coatings by Fayyad E.M.

“…From acidic NiP electroless bath, the co-deposition of TiNi nanoparticles in the NiP matrix to form novel NiP-TiNi nanocomposite coatings (NCCs) on top of API X100 carbon steel using several concentrations of TiNi nanoparticles (0.2, 0.4 and 0.8 g L−1 in the bath) is successfully achieved. …”
Get full text
Get full text

Selection of Bacillus spp. with decontamination potential on multiple Fusarium mycotoxins by Zahoor Ul, Hassan

“…Bacillus cereus BC344-2, Bacillus cereus BC399-2, Bacillus simplex BS350-3 and Paenibacillus favisporus PF341, showed significant biodegrading capacity on T-2 toxin, leading to 72, 70, 71 and 88% decontamination, respectively. Complete degradation (100%) of ZEN was observed at a contamination level of 0.375 μg/ml in LB, while showing a decreasing trend of degradation (87 and 84%) at increasing levels of mycotoxins (0.750 and 1.50 μg/ml LB medium, respectively). …”
Get full text
Get full text
Get full text

Visitors off the trail: Impacts on the dominant plant, bryophyte and lichen species in alpine heath vegetation in sub-arctic Sweden by Monika, Rawat

Get full text
Get full text
Get full text

Visitors off the trail: Impacts on the dominant plant, bryophyte and lichen species in alpine heath vegetation in sub-arctic Sweden by Monika, Rawat

Get full text
Get full text
Get full text

Molecular and Structural Changes in Induced-Brain Stroke Tissue Using FTIR Imaging Spectroscopy, Scanning Electron and Atomic Force Microscopy by Ali, Mohamed H

“…In Qatar, stroke is a major health problem with an estimated incidence of 238/100,000 per year for the population over 45 years old [1]. …”
Get full text
Get full text

Impaired Liver Size and Compromised Neurobehavioral Activity are Elicited by Chitosan Nanoparticles in the Zebrafish Embryo Model by Abou-Saleh, Haissam

Get full text
Get full text

Synthesis and electrochemical properties of nickel oxide/carbon nanofiber composites by Al-Enizi, Abdullah M.

“…The EDLC increased from 0.144 F g−1 at a calcination temperature of 100 °C to 485 F g−1 at a calcination temperature of 500 °C.…”
Get full text
Get full text