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Recent Submissions
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Insights into the interaction between mineral formation and heavy metals immobilization, mediated by Virgibacillus exopolymeric substances
( Elsevier , 2024 , Article)Heavy metal pollution poses significant risks to both the environment and human health due to their toxicity, long residence times, and their ability to bioaccumulate and bio magnify across the food chain. To address this ... -
Mapping Europe renewable energy landscape: Insights into solar, wind, hydro, and green hydrogen production
( Elsevier , 2024 , Article)The study offers an in-depth examination of the capabilities and output of renewable energy sources, specifically focusing on solar, wind, hydroelectric, and green hydrogen technologies, within 27 countries of the European ... -
رشيد صيف 1799: قراءة في وثيقة الزيت والأرز
( المركز العربي للأبحاث ودراسة السياسات - معهد الدوحة للدراسات العليا , 2023 , Article)تحاول هذه الدراسة تقديم قراءة حفرية في وثيقة "فردة" عينية استثنائية، فرضها جيش الاحتلال الفرنسي على أهالي رشيد خلال آب / أغسطس 1799. وتقترح تحليلاً للظروف المعقدة الكامنة وراء إنتاج هذه الوثيقة، واستكشاف التطورات التراكمية، ... -
القمح ومشروع الإستقلال عند محمد علي: غبان الحصار القاري 1807 - 1815
( المركز العربي للأبحاث ودراسة السياسات - معهد الدوحة للدراسات العليا , 2016 , Article)ضربت فرنسا النابليونية الحصار القاري على اقتصاد بريطانيا منذ نهاية عام 1806، وبعد عام واحد امتد الحصار إلى البحار حيث جرت مطاردة جميع السفن المتجهة إلى الموانئ البريطانية، ليصبح الحصار برًا وبحرًا شديد الوطأة. وأظهرت سنوات ... -
“Beyond the Source of Bioenergy”: Microalgae in Modern Agriculture as a Biostimulant, Biofertilizer, and Anti-Abiotic Stress
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)Microalgae are photoautotrophic organisms with high commercial potential. Extracts from microalgae are extensively used in crop cultivation, mainly because they possess growth-promoting properties, coupled with their ... -
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 ... -
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 ... -
Effect of octylphenol polyethylene oxide on the corrosion inhibition of steel in 0.5 M H2SO4
( Elsevier , 2004 , Article)A non-ionic surfactant, octylphenol polyethylene oxide (OPPEO), was evaluated as an inhibitor for corrosion of low-carbon steel in 0.5M H 2SO4. Potentiodynamic and potentiostatic methods and scanning electron microscopy ... -
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. -
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 ... -
Inhibition of the acid corrosion of iron with haloacetic acids
( Scientific Publishers of India , 1997 , Article)The efficiency of chloro, dichloro, trichloro, bromo, and iodoacetic acids as inhibitors for acid corrosion of iron was studied using polarization technique. A significant retardation of the corrosion rate is observed in ... -
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 ... -
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 ... -
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 ... -
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 ...