World's Best Scientists 2026 revealed!
Sami Sayadi

Sami Sayadi

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Chemistry
Qatar
2026

D-Index & Metrics

Chemistry

D-Index
88
Citations
23660
World Ranking
2334
National Ranking
3

Research.com Recognitions

  • 2026 - Research.com Chemistry in Qatar Leader Award
  • 2025 - Research.com Chemistry in Qatar Leader Award
  • 2022 - Research.com Chemistry in Qatar Leader Award

Overview

Sami Sayadi is affiliated with Qatar University in Qatar and has a research focus primarily in environmental science and agricultural and biological sciences. Their work covers a range of topics including pollution, plant science, renewable energy, sustainability, industrial and manufacturing engineering, and molecular biology.

Sayadi's research topics include:

  • Algal biology and biofuel production
  • Microplastics and plastic pollution
  • Anaerobic digestion and biogas production
  • Microbial bioremediation and biosurfactants
  • Recycling and waste management techniques
  • Edible oils quality and analysis
  • Biodegradable polymer synthesis and properties

Their recent published papers reflect a focus on environmental challenges and biotechnology applications in sustainability:

  • Degradation-fragmentation of marine plastic waste and their environmental implications: A critical review (2022), published in Arabian Journal of Chemistry
  • Microalgal-based feed: promising alternative feedstocks for livestock and poultry production (2021), published in Journal of Animal Science and Biotechnology
  • 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 (2020), published in BioMed Research International
  • Smart greenhouses as the path towards precision agriculture in the food-energy and water nexus: case study of Qatar (2022), published in Environment Systems & Decisions
  • Plastic waste impact and biotechnology: Exploring polymer degradation, microbial role, and sustainable development implications (2023), published in Bioresource Technology Reports

Frequent collaborators in their research include Mohamed Chamkha, Fatma Karray, Imen Saadaoui, Mohammad A. Al-Ghouti, and Hareb Al Jabri. These cooperative relationships reflect interdisciplinary work across several environmental and biotechnological fields.

Sayadi's publications are frequently found in the following venues:

  • Biomass Conversion and Biorefinery
  • The Science of The Total Environment
  • Journal of Environmental Management
  • Algal Research
  • Environmental Science and Pollution Research

Their research contributes significantly to subfields such as pollution, plant science, renewable energy, sustainability, industrial and manufacturing engineering, and molecular biology. This broad scope supports an integrated approach to addressing environmental issues and advancing sustainable technologies.

Best Publications

  • Antidiabetic and antioxidant effects of hydroxytyrosol and oleuropein from olive leaves in alloxan-diabetic rats.

    Hedya Jemai;Abdelfattah El Feki;Sami Sayadi

  • Low cost biosorbent "banana peel" for the removal of phenolic compounds from olive mill wastewater: Kinetic and equilibrium studies

    M. Achak;A. Hafidi;N. Ouazzani;S. Sayadi

  • Treatment of olive oil mill wastewater by combined process electro-Fenton reaction and anaerobic digestion

    Sonia Khoufi;Fathi Aloui;Sami Sayadi

  • Laccase purification and characterization from Trametes trogii isolated in Tunisia: decolorization of textile dyes by the purified enzyme

    Héla Zouari-Mechichi;Tahar Mechichi;Abdelhafidh Dhouib;Sami Sayadi

  • Hypolipidimic and antioxidant activities of oleuropein and its hydrolysis derivative-rich extracts from Chemlali olive leaves

    Hedya Jemai;Mohamed Bouaziz;Ines Fki;Abdelfattah El Feki

  • Toward a high yield recovery of antioxidants and purified hydroxytyrosol from olive mill wastewaters.

    Noureddine Allouche;Ines Fki;Sami Sayadi

  • Detrimental effects of high molecular-mass polyphenols on olive mill wastewater biotreatment

    Sami Sayadi;Noureddine Allouche;Mohamed Jaoua;Fathi Aloui

  • Anaerobic membrane reactor with phase separation for the treatment of cheese whey.

    Ahlem Saddoud;Ilem Hassaïri;Sami Sayadi

  • Effect of storage on refined and husk olive oils composition: Stabilization by addition of natural antioxidants from Chemlali olive leaves

    Mohamed Bouaziz;Ines Fki;Hedya Jemai;Mohamed Ayadi

  • Decolourization and detoxification of textile industry wastewater by the laccase-mediator system.

    Rim Khlifi;Lassad Belbahri;Stephen Woodward;Mariem Ellouz

  • Antibacterial activity of Thymus maroccanus and Thymus broussonetii essential oils against nosocomial infection - bacteria and their synergistic potential with antibiotics.

    Mariam Fadli;Asmaa Saad;Sami Sayadi;Jacqueline Chevalier

  • Changes in microbial and soil properties following amendment with treated and untreated olive mill wastewater

    Ali Mekki;Abdelhafidh Dhouib;Sami Sayadi

  • Roles of Lignin Peroxidase and Manganese Peroxidase from Phanerochaete chrysosporium in the Decolorization of Olive Mill Wastewaters.

    Sami Sayadi;Radhouane Ellouz

  • Isolation and evaluation of antioxidants from leaves of a tunisian cultivar olive tree

    Mohamed Bouaziz;Sami Sayadi

  • The use of polyphenolic extract, purified hydroxytyrosol and 3,4-dihydroxyphenyl acetic acid from olive mill wastewater for the stabilization of refined oils: a potential alternative to synthetic antioxidants

    Ines Fki;Noureddine Allouche;Sami Sayadi

  • Polyphenols dynamics and phytotoxicity in a soil amended by olive mill wastewaters

    Ali Mekki;Abdelhafidh Dhouib;Sami Sayadi

  • Photocatalytic activity of ZnO doped with Ag on the degradation of endocrine disrupting under UV irradiation and the investigation of its antibacterial activity

    Olfa Bechambi;Manel Chalbi;Wahiba Najjar;Sami Sayadi

  • Hydroxytyrosol rich extract from olive leaves modulates cell cycle progression in MCF-7 human breast cancer cells.

    Zouhaier Bouallagui;Junkuy Han;Hiroko Isoda;Sami Sayadi

  • Photocatalytic degradation of bisphenol A in the presence of C-doped ZnO: Effect of operational parameters and photodegradation mechanism

    Olfa Bechambi;Sami Sayadi;Wahiba Najjar

  • Detoxification of olive mill wastewater by electrocoagulation and sedimentation processes.

    Sonia Khoufi;Firas Feki;Sami Sayadi

  • Identification and antioxidant potential of flavonoids and low molecular weight phenols in olive cultivar chemlali growing in Tunisia.

    Mohamed Bouaziz;Renee J Grayer;Monique S J Simmonds;Mohamed Damak

Frequent Co-Authors

Mohamed Bouaziz
Mohamed Bouaziz University of Sfax
Mitsutoshi Nakajima
Mitsutoshi Nakajima University of Tsukuba
Daniel Thomas
Daniel Thomas University of Rennes
María Jesús Martínez
María Jesús Martínez Spanish National Research Council
Moktar Hamdi
Moktar Hamdi University of Carthage
Nidal Hilal
Nidal Hilal New York University Abu Dhabi
Irina Smirnova
Irina Smirnova Hamburg University of Technology
Alain Saliot
Alain Saliot Centre national de la recherche scientifique, CNRS
Yasukazu Nakamura
Yasukazu Nakamura National Institute of Genetics
Enrico Drioli
Enrico Drioli National Research Council (CNR)

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