College of Arts & Sciences: Recent submissions
Now showing items 361-380 of 3535
-
Heat-stress-induced changes in enzymatic antioxidant activities and biochemical processes in bell pepper (Capsicum annuum L.) seedlings
( Turkiye Klinikleri , 2023 , Article)Heat stress (HS) is expected to become a significant abiotic stressor with the continued rise in global temperatures, severely limiting the development and production of bell pepper (Capsicum annuum L.), especially in arid ... -
التاريخ الاجتماعي للجواري في مصر قبيل عصر التحديث: نفيسة خاتون المرادية نموذجاً
( المركز العربي للأبحاث ودراسة السياسات - معهد الدوحة للدراسات العليا , 2015 , Article)تركّز هذا المقالة على دراسة شخصية نسائية تنتمي إلى صفوة نساء المجتمع، في مرحلة شديدة التقلب وعدم الاستقرار، بين آخر القرن الثامن عشر ومطلع القرن التاسع عشر، إنها "السيدة نفيسة" التي خطفها اللصوص من إحدى القرى الجبلية ... -
Du riz et de l'huile : Un ordre de réquisition à Rosette durant l'expédition française en Égypte
( Paris ,Collège De France , 2023 , Article)Cette étude consiste en une analyse d’un ordre de réquisition de produits alimentaires imposée par l’armée d’Orient en août 1799 aux habitants de Rosette. Il s’agit d’un document remarquable qui fait partie du corpus des ... -
Evidence of the drying technique’s impact on the biomass quality of Tetraselmis subcordiformis (Chlorophyceae)
( Springer Nature , 2023 , Article)Rapid drying, cost-effective and safe, will increase the viability of using microalgae for several bio-industrial applications. In this study, five different drying techniques of microalgal biomass were investigated. These ... -
Synthesis of silver nanoparticles using Bacillus velezensis M3-7 lipopeptides: Enhanced antifungal activity and potential use as a biocontrol agent against Fusarium crown rot disease of wheat seedlings
( Elsevier , 2023 , Article)Bacillus velezensis M3-7 is a hyperactive mutant, 12-fold improved in its antifungal activity, obtained during a previous study from the wild strain BLB371 after a combination of random mutagenesis and medium component ... -
Abiotic stress applied to Tetraselmis subcordiformis reveals enhanced metabolic responses and increased production of Omega-3 fatty acids: A Metabolomic approach
( Elsevier , 2023 , Article)The appeal of high value algal metabolites is certain due to their sustainability, low energy and space requirements. Yet, commercial-level production of such products is limited and has the potential to be enhanced. In ... -
Unveiling Tetraselmis subcordiformis lipidome dynamics during large-scale cultivation in open raceway pond
( Springer Nature , 2024 , Article)A local microalgal strain of Tetraselmis subcordiformis was cultivated at large-scale using open raceway pond. The temporal influence on the growth and lipidomic profile of the strain was investigated using optic density ... -
Exploring the dynamics of algae-associated microbiome during the scale-up process of Tetraselmis sp. microalgae: A metagenomics approach
( Elsevier , 2023 , Article)Microalgae have become a key source of valuable compounds, promoting commercial scale applications. However, biological contamination is one of the most critical problems associated with large scale algal production, ... -
Exploring strategies to enhance microalgae nutritional quality for functional poultry-sourced food products
( Elsevier , 2023 , Article)Microalgae have emerged as a promising feedstock for the poultry feed industry due to their high nutritional potential, containing essential polyunsaturated fatty acids, essential amino acids, vitamins, and other high-value ... -
Applications, advancements, and challenges of cyanobacteria-based biofertilizers for sustainable agro and ecosystems in arid climates
( Elsevier , 2024 , Article)Based on the increasing world population, the food demands have tremendously increased. Chemical-based conventional agricultural practices will be required to fulfill the food demands, which will damage the soil and create ... -
Microalgae potential to protect from heavy metals-induced carcinogenicity
( Elsevier , 2024 , Article)Toxic elements are present naturally in the environment; however, during the last century, their level has been continuously rising in the air, water, and soil due to anthropogenic activities, including urban runoff, ... -
Ether, sulfide and sulfone derivatives of cinnamaldehyde: Insights into synthesis, structural elucidation and solvatochromism
( Elsevier B.V. , 2024 , Article)Symmetric ether, sulfide and sulfone derivatives based on Schiff base functionalized group (3a-c) were synthesized via classical condensation of 4,4′-diaminodiphenyl precursors (1a-c) and cinnamaldehyde (2) in methanol at ... -
Inner sphere oxidation of N,N′-ethylenebis(isonitrosoacetyleacetoneimine)copper(II) by N-bromosuccinimide in aqueous weakly acidic solutions
( Springer Nature , 2013 , Article)The kinetics of oxidation of N,N'-ethylenebis(isonitrosoacetyleacetoneimine) copper(II) complex, CuL, by N-bromosuccinimide (SBr) in weakly aqueous acidic solutions was studied under pseudo-first-order conditions. Plots ... -
Co oxidation at near-ambient temperatures over tio2-supported pd-cu catalysts: Promoting effect of pd-cu nanointerface and tio2 morphology
( MDPI AG , 2021 , Article)Significant improvement of the catalytic activity of palladium-based catalysts toward carbon monoxide (CO) oxidation reaction has been achieved through alloying and using different support materials. This work demonstrates ... -
Integrated lab-on-a-chip optical biosensor using ultrathin silicon waveguide soi mmi device
( MDPI AG , 2020 , Other)Waveguides with sub-100 nm thickness offer a promising platform for sensors. We designed and analyzed multimode interference (MMI) devices using these ultrathin platforms for use as biosensors. To verify our design ... -
Optical biosensor based on ultrathin SOI waveguides
( Optica Publishing Group (formerly OSA) , 2020 , Conference Paper)We introduce an optical biosensor utilizing the MMI configuration and based on the ultrathin SOI platform. The biosensor was optimized using finite difference time domain simulations. A sensitivity of 420 nm/RIU was achieved. -
Tailoring the reducibility and catalytic activity of CuO nanoparticles for low temperature CO oxidation
( Royal Society of Chemistry , 2018 , Article)Copper oxide (CuO) nanoparticles have received considerable interest as active and inexpensive catalysts for various gas–solid reactions. The CuO reducibility and surface reactivity are of crucial importance for the high ... -
The role of type II FB (I):Tl+ defect in laser light generation and color image formation at the low coordination surface sites of AgBr: Ab initio calculations
( Elsevier , 2006 , Article)The role of type II FB (I):Tl+ color center at low coordination surface sites of AgBr thin films in providing tunable laser activity and photographic sensitization is examined. The double-well potential at this site is ... -
Activation and stabilization of gallium arsenide anode in an aqueous photoelectrochemical cell
( Elsevier , 2003 , Article)The formation of a porous layer on the surface of gallium arsenide anode, n-GaAs, increases photogenerated currents significantly. This layer was formed as a result of an anodic polarization of illuminated n-GaAs in acidified ... -
Inhibitory effect of sodium nitrite on corrosion of lead in 0.1 M sodium hydroxide solution
( Council of Scientific and Industrial Research , 1988 , Article)The effect of NaNO2 as an inhibitor for corrosion of lead in 0.1 M NaOH solution has been investigated at different temperatures using the Tafel plot technique. The concentrations of NaNO2 employed are in the range 1-5×10-5. ...