Browsing by Author "Sayadi, Sami"
Now showing items 41-60 of 61
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Occurrence, origin and potential ecological risk of dissolved polycyclic aromatic hydrocarbons and organochlorines in surface waters of the Gulf of Gabès (Tunisia, Southern Mediterranean Sea)
Hatem, Zaghden; Barhoumi, Badreddine; Jlaiel, Lobna; Guigue, Catherine; Chouba, Lassaad; Touil, Soufiane; Sayadi, Sami; Tedetti, Marc... more authors ... less authors ( Elsevier , 2022 , Article)We investigated the occurrence, origin, and potential ecological risk of dissolved polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyl (PCBs) and organochlorine pesticides (OCPs) in 27 surface water samples ... -
Olive agroforestry shapes rhizosphere microbiome networks associated with annual crops and impacts the biomass production under low-rainfed conditions
ben Zineb, Ameni; Barkaoui, Karim; Karray, Fatma; Mhiri, Najla; Sayadi, Sami; Mliki, Ahmed; Gargouri, Mahmoud... more authors ... less authors ( Frontiers Media , 2022 , Article)Agroforestry (AF) is a promising land-use system to mitigate water deficiency, particularly in semi-arid areas. However, the belowground microbes associated with crops below trees remain seldom addressed. This study aimed ... -
Olive oil by‑product’s contribution to the recovery of phenolic compounds from microalgal biomass: biochemical characterization, anti‑melanogenesis potential, and neuroprotective effect
Maalej, Amina; Dahmen, Ines Ben Moussa; Karray, Fatma; Chamkha, Mohamed; Sayadi, Sami ( Springer , 2022 , Article)Recently, the use of microalgae in the treatment of olive mill wastewater as a safe method for reducing pollutants has gained more attention. However, the contribution of such by-product to the improvement of the pharmacological ... -
Optimization of anaerobic co-digestion of fruit and vegetable waste with animal manure feedstocks using mixture design
Mlaik, Najoua; Sayadi, Sami; Masmoudi, Mohamed Ali; Yaacoubi, Dorsaf; Loukil, Salim; Khoufi, Sonia... more authors ... less authors ( Springer , 2022 , Article)Optimization of anaerobic co-digestion of fruits and vegetable waste (FVW) with cow manure (CD) and poultry manure (PM) was studied by conducting biochemical methane potential (BMP) tests at different mixing ratios using ... -
Optimizing the Extraction Conditions of Hydroxytyrosol from Olive Leaves Using a Modified Spherical Activated Carbon: A New Experimental Design
Hadrich, Fatma; Geißen, Sven-Uwe; Chamkha, Mohamed; Sayadi, Sami ( Hindawi , 2022 , Article)The purification of hydroxytyrosol from olive leaves extract by modified activated carbon was studied experimentally in a batch system and a column by adsorption and desorption processes. The extraction yield reached 90% ... -
Performance of UASB reactor treating waste activated sludge: Effect of electro-chemical disintegration on the anaerobic microbial population structure and abundance
Emna, Feki; Karray, Fatma; Mhiri, Najla; Battimelli, Audrey; Sayadi, Sami; Khoufi, Sonia... more authors ... less authors ( 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 ... -
Pilot-scale crossflow ultrafiltration of four different cell-sized marine microalgae to assess the ultrafiltration performance and energy requirements
Khan, Shoyeb; Das, Probir; Abdulquadir, Mohammed; Thaher, Mahmoud; Al-Ghasal, Ghamza; Hafez Mohammed Kashem, Abdurahman; Faisal, Mohamed; Sayadi, Sami; Al-Jabri, Hareb... more authors ... less authors ( 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 ... -
Pistacia lentiscus by-product as a promising source of phenolic compounds and carotenoids: Purification, biological potential and binding properties
Amina, Maalej; Elloumi, Wiem; Angelov, Ivan; Kardaleva, Proletina; Dimitrov, Vladimir; Chamkha, Mohamed; Guncheva, Maya; Sayadi, Sami... more authors ... less authors ( 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
Elloumi, Wiem; Maalej, Amina; Ortiz, Sergio; Michel, Sylvie; Chamkha, Mohamed; Boutefnouchet, Sabrina; Sayadi, Sami... more authors ... less authors ( 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 ... -
Production and characterization of B-glucosidase from Aspergillus niger fermentation: Application for organic fraction of municipal solid waste hydrolysis and methane enhancement. Biotechnology Progress
Mlaik, Najoua; Sayadi, Sami; Hamza, Manel; Khoufi, Sonia ( American Chemical Society , 2020 , Article)The anaerobic digestion of the organic fraction of municipal solid waste (OFMSW) is currently an attractive treatment process with energy production in the form of bio- gas. Hydrolysis is the rate-limiting step for the ... -
Production of Polyhydroxyalkanoates by Two Halophilic Archaeal Isolates from Chott El Jerid Using Inexpensive Carbon Sources
Ben Abdallah, Manel; Karray, Fatma; Sayadi, Sami ( MDPI AG , 2020 , Article)The large use of conventional plastics has resulted in serious environmental problems. Polyhydroxyalkanoates represent a potent replacement to synthetic plastics because of their biodegradable nature. This study aimed to ... -
Protective effect of olive leaves phenolic compounds against neurodegenerative disorders: Promising alternative for Alzheimer and Parkinson diseases modulation
Fatma, Hadrich; Chamkha, Mohamed; Sayadi, Sami ( Elsevier , 2022 , Article)The main objective of this work was to review literature on compounds extracted from olive tree leaves, such as simple phenols (hydroxytyrosol) and flavonoids (Apigenin, apigenin-7-O-glucoside, luteolin.) and their diverse ... -
Purification and biochemical characterization of a novel thermostable protease from the oyster mushroom Pleurotus sajor-caju strain CTM10057 with industrial interest
Benmrad, Maroua Omrane; Mechri, Sondes; Jaouadi, Nadia Zarai; Ben Elhoul, Mouna; Rekik, Hatem; Sayadi, Sami; Bejar, Samir; Kechaou, Nabil; Jaouadi, Bassem... more authors ... less authors ( BMC , 2019 , Article)Background Proteases are hydrolytic enzymes that catalyze peptide linkage cleavage reactions at the level of proteins and peptides with different degrees of specificity. This group draws the attention of industry. More ... -
Recycling of gas-to-liquid sludge as a potential organic amendment: Effect on soil and cotton properties under hyperarid conditions
Oumaima, Mabrouk; Hamdi, Helmi; Sayadi, Sami; Al-Ghouti, Mohammad A.; Abu-Dieyeh, Mohammed; Kogbara, Reginald; Al-Sharshani, Ali; Abdalla, Osman; Solim, Sabah; Zouari, Nabil... more authors ... less authors ( Elsevier , 2023 , Article)Gas-to-liquid (GTL) sludge is a specific wastewater treatment by-product, which is generated during the industrial process of natural gas conversion to transportation fuels. This least studied sludge is pathogen-free and ... -
Reuse of Sludge as Organic Soil Amendment: Insights into the Current Situation and Potential Challenges
Mabrouk, Oumaima; Hamdi, Helmi; Sayadi, Sami; Al-Ghouti, Mohammad A.; Abu-Dieyeh, Mohammed H.; Zouari, Nabil... more authors ... less authors ( MDPI , 2023 , Article Review)Sludge generation as an organic by-product of wastewater treatment has seen a consistent increase worldwide due to population growth and industrial activities. This poses a chronic challenge regarding management options ... -
Semi-continuous anaerobic digestion of the organic fraction of municipal solid waste: digester performance and microbial population dynamics
Najoua, Mlaik; Karray, Fatma; Sayadi, Sami; Feki, Firas; Khoufi, Sonia ( Elsevier , 2022 , Article)Anaerobic digestion is an attractive approach for the management of organic fraction of municipal solid waste (OFMSW) and for the recovery of energy from this waste. A semi-continuous digestion of OFMSW was conducted on ... -
Smart greenhouses as the path towards precision agriculture in the food-energy and water nexus: case study of Qatar
Karanisa, Theodora; Achour, Yasmine; Ouammi, Ahmed; Sayadi, Sami ( Springer , 2022 , Article)Greenhouse farming is essential in increasing domestic crop production in countries with limited resources and a harsh climate like Qatar. Smart greenhouse development is even more important to overcome these limitations ... -
Towards a new biological control approach for Photorhabdus temperata bioinsecticide production through the bioconversion of Tunisian industrial wastewater
Keskes, Sahar; Jallouli, Wafa; Sahli, Emna; Sayadi, Sami; Tounsi, Slim ( Springer , 2020 , Article)© 2020, The Author(s). A novel bioconversion approach of Tunisian wastewater to low-cost Photorhabdus temperata bioinsecticide is presented in this study. Our results showed that when cultured on the food industry wastewater ... -
Trends in microalgal-based systems as a promising concept for emerging contaminants and mineral salt recovery from municipal wastewater
Ines, Zribi; Zili, Fatma; Ben Ali, Rihab; Masmoudi, Mohamed Ali; Karray, Fatma; Sayadi, Sami; Ben Ouada, Hatem; Chamkha, Mohamed... more authors ... less authors ( Elsevier , 2023 , Article Review)In the context of climate change leading to water scarcity for many people in the world, the treatment of municipal wastewater becomes a necessity. However, the reuse of this water requires secondary and tertiary treatment ... -
Unveiling Tetraselmis subcordiformis lipidome dynamics during large-scale cultivation in open raceway pond
Saadaoui, Imen; Cherif, Maroua; Siddiqui, Simil Amir; Esakkimuthu, Sivakumar; AbdulQuadir, Mohammed; El Anbari, Mohamad; Sayadi, Sami... more authors ... less authors ( 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 ...