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السجلات المعروضة 202 -- 221 من 314
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Outdoor continuous cultivation of self-settling marine cyanobacterium chroococcidiopsis sp.
( Mary Ann Liebert Inc. , 2018 , Article)Spontaneous settling of certain aggregating microalgae or cyanobacteria could potentially alleviate the energy requirement in biomass harvesting. A locally isolated floc-forming marine cyanobacteria, Chroococcidiopsis sp., ... -
Outdoor scale-up of Leptolyngbya sp.: Effect of light intensity and inoculum volume on photoinhibition and -oxidation
( Wiley , 2021 , Article)The effect of light intensity and inoculum volume on the occurrence of photooxidation for Leptolyngbya sp. QUCCCM 56 was investigated, to facilitate the transition from small-scale laboratory experiments to large-scale ... -
Overproduction of poly(3-hydroxybutyrate) by the extremely halophilic archaeon Haloarcula sp. CEJ40-10 using starchy substrate
( Springer Science and Business Media Deutschland GmbH , 2023 , Article)Polyhydroxyalkanoates (PHAs), green alternatives to petroleum-derived plastics, possess desired features that make them preferred for various applications. Poly(3-hydroxybutyrate) (PHB), one of the most known representative ... -
Overproduction of the Bacillus thuringiensis Vip3Aa16 toxin and study of its insecticidal activity against the carob moth Ectomyelois ceratoniae
( Elsevier , 2015 , Article)The vip3Aa16 gene of Bacillus thuringiensis strain BUPM95 was cloned and expressed in Escherichia coli. Optimization of Vip3A16 protein expression was conducted using Plackett–Burman design and response surface methodology. ... -
An overview of brine management: Emerging desalination technologies, life cycle assessment, and metal recovery methodologies
( Elsevier , 2021 , Article Review)This study examines which management methods are the most recent and advanced in managing rejected brine generated from desalination plants. It also provides up-to-date information regarding the most adequate technologies ... -
An overview of heavy metals toxicity in plants, tolerance mechanism, and alleviation through lysine-chelation with micro-nutrients—A novel approach
( Springer , 2022 , Article Review)Abstract: Plants must adapt themselves to the prevailing conditions for their survival, resulting in the acquisition of a wide range of metal tolerance mechanisms. Although many metal elements are essential for the growth ... -
An overview of the challenges and trade-offs in closing the loop of post-consumer plastic waste (PCPW): Focus on recycling
( Elsevier , 2019 , Article)© 2019 Elsevier B.V. Recycling of post-consumer plastic waste (PCPW) is increasingly promoted as the means to achieving circular economy (CE). It converts plastic waste into a secondary material that can be fed back into ... -
An overview of the environmental pollution and health effects associated with waste landfilling and open dumping
( Springer , 2022 , Article Review)Landfilling is one of the most common waste management methods employed in all countries alike, irrespective of their developmental status. The most commonly used types of landfills are (a) municipal solid waste landfill, ... -
An overview of the occurrence, fate, and human risks of the bisphenol-A present in plastic materials, components, and products.
( John Wiley & Sons, Ltd , 2022 , Article Review)With over 95% of bisphenol-A (BPA) used in the production of polycarbonate (PC) and epoxy resins, termed here as BPA-based plastic materials, components, and products (MCPs), an investigation of human exposure to BPA over ... -
An overview of the plastic waste and recycling status in Qatar
(2019 , Conference Paper)It has been estimated that the average Municipal Solid Waste (MSW) generation rate per capita in the Gulf Co-operation countries (GCC) is approx. 1.5 kg/person/d, with Qatar reaching almost 1.4 kg/person/d, as it was ... -
Participation modes and diplomacy of Gulf Cooperation Council (GCC) countries towards the global sustainability agenda
( Routledge , 2019 , Article)After decades of reluctance, the Gulf Cooperation Council (GCC) countries are now more engaged within the global sustainability agenda. Though they historically sought to coordinate strategies, differences in environmental ... -
Participation modes and influence strategies of large environmental NGOs
( Taylor & Francis , 2019 , Book chapter)International, large-scale conferences on environment and sustainable development have shaped the public face of the global environmental governance. United Nations-led Earth Summits in Stockholm, Johannesburg, and Rio ... -
Performance of UASB reactor treating waste activated sludge: Effect of electro-chemical disintegration on the anaerobic microbial population structure and abundance
( Elsevier , 2022 , Article)The electro-Fenton (EF) disintegration using iron electrodes was performed for the pretreatment of waste activated sludge (WAS). The effect of this electro-chemical pretreatment on anaerobic digestion (AD) performance and ... -
Physicochemical Stability Enhancement of ?-carotene-rich O/W Nanoemulsions using a New Natural Emulsifier Developed from Pistacia lentiscus Fruit Residue
( Springer , 2023 , Article)A natural antioxidant-emulsifier was developed from oil pressed Pistacia lentiscus fruit and tested for oil-in-water nanoemulsions ?-carotene encapsulation. Five extracts were prepared, characterized and screened for their ... -
Phytochemical profiling, antimicrobial, antibiofilm, insecticidal, and anti-leishmanial properties of aqueous extract from Juglans regia L. root bark: In vitro and in silico approaches
( Taylor and Francis Ltd. , 2023 , Article)The Juglans regia root aqueous extract (JRRAE) phytochemical variability and the investigation of their antimicrobial, antibiofilm, insecticidal, and anti-leishmanial properties were studied. As a result, the JRRAE chemical ... -
Pilot-scale crossflow ultrafiltration of four different cell-sized marine microalgae to assess the ultrafiltration performance and energy requirements
( Elsevier , 2023 , Article)Four marine microalgae (e.g., Tetraselmis, Picochlorum, Dunaliella, and Synechococcus) with different cell sizes were harvested using pilot-scale ultrafiltration. Average permeate fluxes were 16.75, 19, 25.35, and 33.75 ... -
Pilot-scale petroleum refinery wastewaters treatment systems: performance and microbial communities' analysis
( Elsevier , 2020 , Article)This study evaluated firstly the performance of the Continuous Stirred Tank bioReactor system (CSTR) for the treatment of highly toxic petroleum refinery wastewaters at the pilot-scale. The reduction of the COD, BOD5, ... -
Pistacia lentiscus by-product as a promising source of phenolic compounds and carotenoids: Purification, biological potential and binding properties
( Elsevier , 2021 , Article)The hydro-distilled leaves of Pistacia lentiscus are considered as an agricultural residue and of no commercial value yet. In this study, chromatographic purification of a methanolic fraction of P. lentiscus L. (lentisk) ... -
Pistacia lentiscus L. Distilled Leaves as a Potential Cosmeceutical Ingredient: Phytochemical Characterization, Transdermal Diffusion, and Anti‐Elastase and Anti‐Tyrosinase Activities
( MDPI , 2022 , Article)The present work was performed to investigate the phenolic composition of P. lentiscus L. distilled leaves (PDL) and examine its potential against certain key enzymes related to skin aging. High‐pressure liquid chromatography ... -
Plastic waste in a circular economy
( Elsevier , 2020 , Book chapter)Plastic is a commodity that supports our modern lifestyles. Its remarkable range of properties (e.g., durability, lightweight, good barrier properties) combined with the ease of processing make plastic a sustainable ...