Browsing by Author "Sayadi, Sami"
Now showing items 1-20 of 61
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A Design-led FEWW Nexus Approach For Qatar University
Karanisa, Theodora; Ouammi, Ahmed; Hamdi, Helmi; Saadaoui, Imen; Fetais, Noora; Sayadi, Sami... more authors ... less authors ( Qatar University Press , 2021 , Poster)Demographic explosion, climate change, urbanization, change of life quality, and food demand have put extra pressure on Food, Energy, Water, and Waste (FEWW) resources.A special focus has been placed on university campuses ... -
Algal-algal bioflocculation enhances the recovery efficiency of Picochlorum sp. QUCCCM130 with low auto-settling capacity
Saadaoui, Imen; Cherif, Maroua; Siddiqui, Simil Amir; Al Jabri, Hareb; Sayadi, Sami ( Elsevier B.V. , 2023 , Article)Large-scale production of microalgal biomass is still considered non-viable due to the high cost and energy required for harvesting. A fast, cost-effective, and successful harvesting technique has become widely sought after ... -
Anaerobic Digestion of Olive MillWastewater and Process Derivatives—Biomethane Potential, Operation of a Continuous Fixed Bed Digester, and Germination Index
Pluschke, Jonas; Faßlrinner, Katharina; Hadrich, fatma; Loukil, Slim; Chamkha, Mohamed; Geißen, Sven-Uwe; Sayadi, Sami... more authors ... less authors ( MDPI , 2023 , Article)Olive mill wastewater (OMW) management is an economic and environmental challenge for olive oil-producing countries. The recovery of components with high added value, such as antioxidants, is a highly researched approach ... -
Assessment of SnO2 nanoparticles' impact on local Pichoclorum atomus growth performance, cell morphology and metabolites content
Bounnit, Touria; Saadaoui, Imen; Rasheed, Rihab; Al jabri, Hareb; Sayadi, Sami; Ayesh, Ahmad... more authors ... less authors ( Qatar University Press , 2021 , Poster)Oxide nanoparticles are among the most used nanomaterials and have received considerable attention over their potential ecological effects. Increasing investigations report toxicity of certain oxide nanoparticles, however, ... -
Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae
Bounnit, Touria; Ayesh, Ahmad I.; Saadaoui, Imen; Mohideen, Rihab S.; Sayadi, Sami ( Royal Society of Chemistry , 2022 , Article)To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) ... -
Biochar from olive mill solid waste as an eco-friendly adsorbent for the removal of polyphenols from olive mill wastewater
Nozha, Abid; Masmoudi, Mohamed Ali; Megdiche, Marwa; Barakat, Abdellatif; Ellouze, Mariam; Chamkha, Mohamed; Ksibi, Mohamed; Sayadi, Sami... more authors ... less authors ( Elsevier , 2022 , Article)In Tunisia, olive mill waste water (OMW) is discharged into evaporation ponds where they turn into solid waste (OMSW) and become a serious threat to the environment. This paper addresses for the first time how to valorize ... -
Biodegradation of diclofenac by two green microalgae: Picocystis sp. and Graesiella sp.
Ben Ouada, Sabrine; Ben Ali, Rihab; Cimetiere, Nicolas; Leboulanger, Christophe; Ouada, HatemBen; Sayadi, Sami... more authors ... less authors ( Elsevier , 2019 , Article)The aim of the present study was to provide an integrated view of algal removal of diclofenac (DCF). Two isolated microalgal strains Picocystis sp. and Graesiella sp. were cultivated under different DCF concentrations and ... -
Chemical Composition, Antibacterial Activity using Micro-broth Dilution Method and Antioxidant Activity of Essential Oil and Water Extract from Aerial Part of Tunisian Thymus algeriensis Boiss. & Reut.
Ghorbel, Amal; Fakhfakh, Jawhar; Brieudes, Vincent; Halabalaki, Maria; Fontanay, Stéphane; Duval, Raphaël E.; Mliki, Khaled; Sayadi, Sami; Allouche, Noureddine... more authors ... less authors ( Taylor & Francis , 2021 , Article)In this study, we investigated the chemical composition, antioxidant and antibacterial activities of essential oil and aqueous extract from Thymus algeriensis Boiss. & Reut growing in Tunisia. GC/MS analysis of essential ... -
Climatic Aridity Gradient Modulates the Diversity of the Rhizosphere and Endosphere Bacterial Microbiomes of Opuntia ficus-indica
Karray, Fatma; Gargouri, Mahmoud; Chebaane, Asma; Mhiri, Najla; Mliki, Ahmed; Sayadi, Sami... more authors ... less authors ( Frontiers Media , 2020 , Article)© Copyright © 2020 Karray, Gargouri, Chebaane, Mhiri, Mliki and Sayadi. Recent microbiome research has shown that soil fertility, plant-associated microbiome, and crop production can be affected by abiotic environmental ... -
Combination of air stripping and biological processes for landfill leachate treatment
Smaoui, Yosr; Bouzid, Jalel; Sayadi, Sami ( Korean Society of Environmental Engineers , 2020 , Article)Landfill waste decomposition generates a dark effluent named, leachate which is characterized by high organic matter content. To minimize these polluting effects, it becomes necessary to develop an effective landfill ... -
Comparative study of the effect of oleuropein and hydroxytyrosol rich extracts on the reproductive toxicity induced by bisphenol A in male rats: biochemical, histopathological, and molecular analyses
Mahmoudi, Asma; Hadrich, Fatma; Bouallagui, Zouhaier; Feki, Ines; Ghorbel, Hela; Ayadi, Lobna; Chamkha, Mohamed; Sayadi, Sami... more authors ... less authors ( Springer , 2023 , Article)Bisphenol A, or BPA, goes into the composition of a large number of products including sunglasses, infant’s feeding bottles, receipts, or food packaging. Nowadays, there is a growing evidence that BPA may be at the origin ... -
Comparative Study on Beneficial Effects of Hydroxytyrosol- and Oleuropein-Rich Olive Leaf Extracts on High-Fat Diet-Induced Lipid Metabolism Disturbance and Liver Injury in Rats
Sayadi, Sami; Mahmoudi, Asma; Daoued, Ines; Marrekchi, Rim; Ghorbel, Hela ( Hindawi , 2020 , Article)Oleuropein and hydroxytyrosol, as major compounds of olive leaves, have been reported to exert numerous pharmacological properties, including anticancer, antidiabetic, and anti-inflammatory activities. The purpose of this ... -
Comparison between Thermo-Alkaline and Electro-Fenton Disintegration Effect on Waste Activated Sludge Anaerobic Digestion
Feki, Emna; Sayadi, Sami; Loukil, Slim; Dhouib, Abdelhafidh; Khoufi, Sonia ( Hindawi Limited , 2019 , Article)Disintegration of municipal waste activated sludge (WAS) using thermo-alkaline (TA) and electro-Fenton (EF) methods was investigated and compared in terms of the efficiency of sludge solubilisation and enhancement of ... -
Contribution of major polyphenols to the antioxidant profile and cytotoxic activity of olive leaves
Bouallagui, Zouhaier; Mahmoudi, Asma; Maalej, Amina; Hadrich, Fatma; Isoda, Hiroko; Sayadi, Sami... more authors ... less authors ( Bentham Science Publishers , 2019 , Article)Aims: This study was designed to investigate the phytochemical profile and the cytotoxic activities of the eco-friendly extracts of olive leaves from Chemlali cultivar. Materials and Methods: The Phenolic composition of ... -
Coupling air stripping process and anaerobic digestion for the treatment of landfill leachate: organics degradation and cytotoxicity evaluation
Zayen, Amal; Loukil, Slim; Bouallegui, Zouheir; Sayadi, Sami ( Springer , 2022 , Article)Landfill leachate (LFL) from a controlled discharge in Tunisia was found to be highly loaded with ammonia. This study investigated the feasibility of an air stripping process aiming to mitigate the inhibitory effect of ... -
Degradation-fragmentation of marine plastic waste and their environmental implications: A critical review
Sarra N., Dimassi; Hahladakis, John N.; Yahia, Mohamed Najib Daly; Ahmad, Mohammad I.; Sayadi, Sami; Al-Ghouti, Mohammad A.... more authors ... less authors ( Elsevier , 2022 , Article Review)This review critically evaluates the plastic accumulation challenges and their environmental (primarily) and human (secondarily) impacts. It also emphasizes on their degradation and fragmentation phenomena under marine ... -
Detoxification assays of tunisian tannery wastewater under nonsterile conditions using the filamentous fungus aspergillus Niger
Boujelben, Raouia; Ellouze, Mariem; Sayadi, Sami ( Hindawi Limited , 2019 , Article)The ability of Aspergillus Niger strain to reduce organic and mineral pollution as well as the toxicity of two tannery wastewaters, the unhairing effluent (UE) and the final effluent (FE), taken from a local Tunisian tannery ... -
Effect of temperature and sunlight on the leachability potential of BPA and phthalates from plastic litter under marine conditions
Sarra N., Dimassi; Hahladakis, John N.; Yahia, Mohamed Nejib Daly; Ahmad, Mohammad I.; Sayadi, Sami; Al-Ghouti, Mohammad A.... more authors ... less authors ( Elsevier , 2023 , Article)This study investigates the leaching potential of several additives embedded in six different plastic types when exposed to extreme simulated marine conditions for 140 days. The findings achieved herein contribute to a ... -
Effects of microplastics’ physical and chemical properties on aquatic organisms: State-of-the-art and future research trends
Khawla, chouchene; da Costa, Joao Pinto; Chamkha, Mohamed; Ksibi, Mohamed; Sayadi, Sami ( Elsevier , 2023 , Article)Microplastics (MPs) pose a global threat to marine ecosystems, little is known about the factors that influence their bioavailability. Microplastics have the ability to adsorb contaminants from the environment, as well as ... -
Efficiency of benthic diatom-associated bacteria in the removal of benzo(a)pyrene and fluoranthene
Oumayma, Kahla; Melliti Ben Garali, Sondes; Karray, Fatma; Ben Abdallah, Manel; Kallel, Najwa; Mhiri, Najla; Zaghden, Hatem; Barhoumi, Badreddine; Pringault, Olivier; Quéméneur, Marianne; Tedetti, Marc; Sayadi, Sami; Sakka Hlaili, Asma... more authors ... less authors ( Elsevier , 2021 , Article)We investigated the efficiency of a benthic diatom-associated bacteria in removing benzo(a)pyrene (BaP) and fluoranthene (Flt). The diatom, isolated from a PAH-contaminated sediment of the Bizerte Lagoon (Tunisia), was ...