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Marine Biology , Aquatic toxicology , Environment pollution, Ecotoxicology
Egypt

Biography

I am an aquatic ecotoxicology and environment pollution engaged research and development projects developing and applying biomarkers for assessing the effects of environmental pollutants on aquatic animals including micro or nanoplastic, pharmaceuticals, metals, pesticides, materials used in the oil and gas industries and engineered nanoparticles.

Activities

Employment (4)

School of Veterinary Medicine, Louisiana State University: Baton Rouge, Louisiana, US

2023-09-26 to present | Research Associate (Department of Comparative Biomedical Sciences)
Employment
Source: Self-asserted source
Mohamed Hamed

East China Normal University: Shanghai, CN

2022-09-02 to 2023-07-01 | Visiting Researcher (State Key Laboratory of Estuarine and Coastal Research)
Employment
Source: Self-asserted source
Mohamed Hamed

Assiut University Faculty of Science: Assiut, EG

2020-09 to 2022-08 | Project researcher (Department of Zoology and Entomology)
Employment
Source: Self-asserted source
Mohamed Hamed

Al-Azhar University, Asyut, Egypt: Assiut, Asyut, EG

2019-10 to 2021-05 | Researcher (Department of Zoology.)
Employment
Source: Self-asserted source
Mohamed Hamed

Education and qualifications (3)

Al Azhar University: Asyut, EG

2021-09-02 to 2024-09-02 | PhD Student (Department of Zoology)
Education
Source: Self-asserted source
Mohamed Hamed

Al-Azhar University, Asyut, Egypt: Assiut, Asyut, EG

2019-10 to 2021-05 | MSc (Department of Zoology.)
Qualification
Source: Self-asserted source
Mohamed Hamed

Al-Azhar University - Assiut Branch: Assiut, Asyut, EG

2014-09 to 2018-06 | BSc (Department of Zoology.)
Qualification
Source: Self-asserted source
Mohamed Hamed

Works (46)

Immunological, neurological, and intestinal changes in red swamp crayfish (Procambarus clarkii) exposed to the combined toxicity of Pyrogallol and microplastics

Marine Pollution Bulletin
2025-04 | Journal article
Part of ISSN: 0025-326X
Contributors: Mohamed Hamed; Rashad E.M. Said; Walaa M. Shaalan; Heba Allah M. Elbaghdady; Alaa El-Din H. Sayed
Source: Self-asserted source
Mohamed Hamed

UV-A-induced oxidative stress and immunotoxicity in African catfish (Clarias gariepinus): the bioremediation potential of Spirulina platensis for aquaculture

Aquaculture International
2025-02 | Journal article
Part of ISSN: 0967-6120
Part of ISSN: 1573-143X
Contributors: Mohamed Hamed; Carlos E. Monteiro; Rashad E. M. Said; Mostafa A. Abdel-Maksoud; Taghreed N. Almanaa; Mervat Naguib; Hanem S. Abdel-Tawab; Alaa Osman; Jae-Seong Lee; Alaa El-Din H. Sayed
Source: Self-asserted source
Mohamed Hamed

Hepato‐Renal Damage of Hyaluronic Acid on the African Catfish (Clarias gariepinus)

Aquaculture Research
2025-01 | Journal article
Contributors: Mahmoud S. Sabra; Sally M. Salaah; Mohamed H. Kotob; Walaa Bayoumie El Gazzar; Amina A. Farag; Shaimaa K. A. Idriss; Esraa A. Anwari; Mohamed Hamed; Nesma M. Samir; Jae-Seong Lee et al.
Source: check_circle
Crossref

Impacts of Voliam Flexi on Antioxidant Responses, Oxidative Stress, and Histopathological Changes in Juvenile African Catfish (Clarias gariepinus)

Aquaculture Research
2025-01 | Journal article
Contributors: Mohamed Hamed; Hanem S. Abdel-Tawab; Mostafa A. Abdel-Maksoud; Abdul Malik; Sabiha Fatima; Christopher J. Martyniuk; Christyn Bailey
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Hyaluronic acid impacts hematological endpoints and spleen histological features in African catfish (<i>Clarias gariepinus</i>)

BMC Veterinary Research
2024 | Journal article
Contributors: Hamed, Mohamed; Kotob, Mohamed H.; Abou Khalil, Nasser S.; Anwari, Esraa A.; El Gazzar, Walaa Bayoumie; Idriss, Shaimaa K. A.; Fakhry, Michel E.; Farag, Amina A.; Sabra, Mahmoud S.; Salaah, Sally M. et al.
Source: check_circle
Web of Science Researcher Profile Sync
grade
Preferred source (of 2)‎

Neurotoxic and cardiotoxic effects of pyrogallol on catfish (<i> Clarias</i> gariepinus )

Environmental Toxicology and Pharmacology
2024 | Journal article
Contributors: Hamed, Mohamed; Martyniuk, Christopher J.; Soliman, Hamdy A. M.; Osman, Alaa G. M.; Said, Rashad E. M.
Source: check_circle
Web of Science Researcher Profile Sync
grade
Preferred source (of 2)‎

The protective effects of dietary microalgae against hematological, biochemical, and histopathological alterations in pyrogallol-intoxicated <i>Clarias gariepinus</i>

Heliyon
2024 | Journal article
Contributors: Hamed, Mohamed; Abou Khalil, Nasser S; Alghriany, Alshaimaa A I; El-Din H Sayed, Alaa
Source: check_circle
Web of Science Researcher Profile Sync

Characterization, surface deformation analysis and sources of small plastic fragments collected in diverse environments of Egypt

Marine Pollution Bulletin
2024-12 | Journal article
Part of ISSN: 0025-326X
Contributors: Mohamed Hamed; Wafa Mazi; Ibrahim Saleem Alatawi; Noha Omer; Rasha Jame; Mahmoud A. Abdelaziz; Mostafa A. Khaled
Source: Self-asserted source
Mohamed Hamed

Impacts of climate change and black sand on Red Sea, Egypt. A comprehensive review

Regional Studies in Marine Science
2024-12 | Journal article
Part of ISSN: 2352-4855
Contributors: Mohamed Hamed; Mostafa A. Khaled; Rashad E.M. Said; Mohamed Abd El-Aal; Sobhi M. Ghoneim; Mohsen Y. Omer; Hamdy A.M. Soliman; Eman Saad; Zeinab Bakr; Jae-Seong Lee et al.
Source: Self-asserted source
Mohamed Hamed

Patterns distribution, concentrations and sources of radioactive elements from black sand in the Red Sea coast, Egypt

Journal of Hazardous Materials
2024-12 | Journal article
Part of ISSN: 0304-3894
Contributors: Mohamed Hamed; Mostafa A. Khaled; Rashad E.M. Said; Sobhi M. Ghoneim; Eman Saad; Mohamed Abd El-Aal; Alaa El-Din H. Sayed
Source: Self-asserted source
Mohamed Hamed

A review of the neurobehavioural, physiological, and reproductive toxicity of microplastics in fishes

Ecotoxicology and Environmental Safety
2024-09 | Journal article
Part of ISSN: 0147-6513
Contributors: A K M Munzurul Hasan; Mohamed Hamed; Jabed Hasan; Christopher J. Martyniuk; Som Niyogi; Douglas P. Chivers
Source: Self-asserted source
Mohamed Hamed

Black sand nanoparticles and heat stress impacts the neurological and oxidative stress indices and splenic-renal histology of Clarias gariepinus

Scientific Reports
2024-09-23 | Journal article
Part of ISSN: 2045-2322
Contributors: Alaa El-Din H. Sayed; Rashad E. M. Said; Mohamed Abd El-Aal; Eman Saad; Walied A. Kamel; Mohamed Hamed
Source: Self-asserted source
Mohamed Hamed

Climate Change Induce the Toxicity of Black Sand Nanoparticles on Catfish (Clarias gariepinus) Using Hemato-Hepatological Biomarkers

BioNanoScience
2024-08-08 | Journal article
Part of ISSN: 2191-1630
Part of ISSN: 2191-1649
Contributors: Alaa El-Din H. Sayed; Mohamed Hamed; Mohamed Abd El-Aal; Mervat Naguib; Eman Saad; Hamdy A. M. Soliman
Source: Self-asserted source
Mohamed Hamed

Reproductive and endocrine-disrupting toxicity of pyrogallol in catfish (Clarias gariepinus)

Environmental Pollution
2024-07 | Journal article
Contributors: Mohamed Hamed; Rashad E.M. Said; Christopher J. Martyniuk; Hamdy A.M. Soliman; Alaa El-Din H. Sayed; Alaa G.M. Osman
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Effects of developmental exposure to individual and combined PFAS on development and behavioral stress responses in larval zebrafish

Environmental Pollution
2024-05 | Journal article
Contributors: Mohamed Hamed; Ajn Vats; Ignitius Ezekiel Lim; Biplov Sapkota; Ahmed Abdelmoneim
Source: check_circle
Crossref

Occurrence, distribution, and composition of black sand along the Red Sea, Egypt

Science of The Total Environment
2024-05 | Journal article
Part of ISSN: 0048-9697
Contributors: Mohamed Hamed; Mohamed Abd El-Aal; Mostafa A. Khaled; Sobhi M. Ghoneim; Eman Saad; Jae-Seong Lee; Alaa El-Din H. Sayed
Source: Self-asserted source
Mohamed Hamed

Immunotoxicological, histopathological, and ultrastructural effects of waterborne pyrogallol exposure on African catfish (Clarias gariepinus)

Chemosphere
2024-02 | Journal article
Contributors: Mohamed Hamed; Rashad E.M. Said; Hamdy A.M. Soliman; Alaa G.M. Osman; Christopher J. Martyniuk
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Oxidative stress, antioxidant defense responses, and histopathology: Biomarkers for monitoring exposure to pyrogallol in Clarias gariepinus

Journal of Environmental Management
2024-02 | Journal article
Contributors: Mohamed Hamed; Hamdy A.M. Soliman; Rashad E.M. Said; Christopher J. Martyniuk; Alaa G.M. Osman; Alaa El-Din H. Sayed
Source: check_circle
Crossref

Lycopene supplementation: effects on oxidative stress, sex hormones, gonads and thyroid tissue in tilapia Oreochromis niloticus during Harness<sup>®</sup> exposure

Frontiers in Physiology
2023 | Journal article
EID:

2-s2.0-85168808335

Part of ISSN: 1664042X
Contributors: Ismail, R.F.; Hamed, M.; Sayed, A.E.-D.H.
Source: Self-asserted source
Mohamed Hamed via Scopus - Elsevier
grade
Preferred source (of 2)‎

The synergetic effects of 4-nonylphenol and polyethylene microplastics in Cyprinus carpio juveniles using blood biomarkers

Scientific Reports
2023 | Journal article
EID:

2-s2.0-85165410234

Part of ISSN: 20452322
Contributors: Ammar, E.; Hamed, M.; Mohamed, M.S.; Sayed, A.E.-D.H.
Source: Self-asserted source
Mohamed Hamed via Scopus - Elsevier
grade
Preferred source (of 2)‎

Toxicity of co-exposure of microplastics and lead in African catfish (Clarias gariepinus)

Frontiers in Veterinary Science
2023-10-06 | Journal article
Part of ISSN: 2297-1769
Contributors: Hamdy A. M. Soliman; Sally M. Salaah; Mohamed Hamed; Alaa El-Din H. Sayed
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 2)‎

Holes on surfaces of the weathered plastic fragments from coastal beaches

Marine Pollution Bulletin
2023-08 | Journal article
Part of ISSN: 0025-326X
Contributors: Yifan Zheng; Mohamed Hamed; Gabriel Enrique De-la-Torre; João Frias; Mui-Choo Jong; Prabhu Kolandhasamy; Suchana Chavanich; Lei Su; Hua Deng; Wenjun Zhao et al.
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 3)‎

Distribution, abundance, and composition of microplastics in market fishes from the Red and Mediterranean seas in Egypt

Journal of Sea Research
2023-06 | Journal article
Part of ISSN: 1385-1101
Contributors: Mohamed Hamed; Christopher J. Martyniuk; Jae-Seong Lee; Huahong Shi; Alaa El-Din H. Sayed
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 2)‎

Exposure to pyrogallol impacts the hemato-biochemical endpoints in catfish (Clarias gariepinus)

Environmental Pollution
2023-06 | Journal article | Author
Part of ISSN: 0269-7491
Contributors: Mohamed Hamed; Christopher J. Martyniuk; Rashad Said; Hamdy A.M. Soliman; Ahmed E.A. Badrey; Elhagag A. Hassan; Hani N. Abdelhamid; Alaa G.M. Osman; Alaa El-Din H. Sayed
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 3)‎

Toxicity of silver, copper oxide, and polyethylene nanoparticles on the earthworm Allolobophora caliginosa using multiple biomarkers

Applied Soil Ecology
2023-01 | Journal article
Part of ISSN: 0929-1393
Contributors: Mohamed Hamed
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 2)‎

Effects of major and trace elements from the El Kahfa ring complex on fish: Geological, physicochemical, and biological approaches

Frontiers in Environmental Science
2023-01-16 | Journal article
Part of ISSN: 2296-665X
Contributors: Eman Saad; Mohamed Hamed; Abdelnaby M. Elshahawy; Mohamed Abd El-Aal; Alaa El-Din H. Sayed
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 2)‎

The protective role of lycopene against toxic effects induced by the herbicide Harness® and its active ingredient acetochlor on the African catfish Clarias gariepinus (Burchell, 1822)

Environmental Science and Pollution Research
2022 | Journal article
EID:

2-s2.0-85116452351

Contributors: Sayed, A.E.-D.H.; Hamed, M.; Soliman, H.A.M.; Authman, M.M.N.
Source: Self-asserted source
Mohamed Hamed via Scopus - Elsevier

The mitigating effect of Spirulina (Arthrospira platensis) on the hemotoxicity of gibberellic acid on juvenile tilapia (Oreochromis niloticus)

Environmental Science and Pollution Research
2022-11-08 | Journal article
Part of ISSN: 0944-1344
Part of ISSN: 1614-7499
Contributors: Mohamed Hamed; Alaa El-Din H. Sayed; Mohamed Hamed; Abdelaziz A. A. El-Sayed; Bruno Nunes; Hamdy A. M. Soliman
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 2)‎

Protective efficacy of dietary natural antioxidants on microplastic particles-induced histopathological lesions in African catfish (Clarias gariepinus)

Environmental Science and Pollution Research
2022-11-07 | Journal article
Part of ISSN: 0944-1344
Part of ISSN: 1614-7499
Contributors: Mohamed Hamed; Alaa El-Din H. Sayed; Mervat N. Hana; Mohamed Hamed; Hany M. R. Abdel-Latif; Jae-Seong Lee; Hamdy A. M. Soliman
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 2)‎

Neurotoxic effects of different sizes of plastics (nano, micro, and macro) on juvenile common carp (Cyprinus carpio)

Frontiers in Molecular Neuroscience
2022-10-20 | Journal article
EID:

2-s2.0-85167391136

Contributors: Mohamed Hamed
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 4)‎

Multi-biomarkers approach to assess the toxicity of novel insecticide (Voliam flexi®) on Clarias gariepinus: From behavior to immunotoxicity

Fish &amp; Shellfish Immunology
2022-06 | Journal article
Part of ISSN: 1050-4648
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 2)‎

Dietary Feeding Lycopene, Citric Acid, and Chlorella Alleviated the Neurotoxicity of Polyethylene Microplastics in African Catfish (Clarias gariepinus)

Frontiers in Environmental Science
2022-05-03 | Journal article
Part of ISSN: 2296-665X
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 3)‎

Investigation of the impact caused by different sizes of polyethylene plastics (nano, micro, and macro) in common carp juveniles, Cyprinus carpio L., using multi-biomarkers

Science of The Total Environment
2022-01 | Journal article
Part of ISSN: 0048-9697
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 3)‎

Natural Antioxidants can Improve Microplastics-Induced Male Reproductive Impairment in the African Catfish (Clarias Gariepinus)

Frontiers in Environmental Science
2022-01-31 | Journal article
Part of ISSN: 2296-665X
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 2)‎

Bioremediation of hemotoxic and oxidative stress induced by polyethylene microplastic in Clarias gariepinus using lycopene, citric acid, and chlorella

Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology
2021-12 | Journal article
Part of ISSN: 1532-0456
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 3)‎

Microplastic distribution, abundance, and composition in the sediments, water, and fishes of the Red and Mediterranean seas, Egypt

Marine Pollution Bulletin
2021-12 | Journal article
Part of ISSN: 0025-326X
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 3)‎

Microplastics-Induced Eryptosis and Poikilocytosis in Early-Juvenile Nile Tilapia (Oreochromis niloticus)

Frontiers in Physiology
2021-09-28 | Journal article
Part of ISSN: 1664-042X
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 3)‎

Spirulina platensis Alleviated the Hemotoxicity, Oxidative Damage and Histopathological Alterations of Hydroxychloroquine in Catfish (Clarias gariepinus)

Frontiers in Physiology
2021-07-06 | Journal article
Part of ISSN: 1664-042X
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 3)‎

Microplastics induced histopathological lesions in some tissues of tilapia (Oreochromis niloticus) early juveniles.

Tissue & cell
2021-02-23 | Journal article
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 3)‎

Investigating the effects of copper sulfate and copper oxide nanoparticles in Nile tilapia (Oreochromis niloticus) using multiple biomarkers: the prophylactic role of Spirulina.

Environmental science and pollution research international
2021-02-13 | Journal article
Source: Self-asserted source
Mohamed Hamed
grade
Preferred source (of 2)‎

Antioxidants and molecular damage in Nile Tilapia (Oreochromis niloticus) after exposure to microplastics

Environmental Science and Pollution Research
2020 | Journal article
EID:

2-s2.0-85079378154

Part of ISBN:

16147499 09441344

Contributors: Hamed, M.; Soliman, H.A.M.; Osman, A.G.M.; Sayed, A.E.-D.H.
Source: Self-asserted source
Mohamed Hamed via Scopus - Elsevier
grade
Preferred source (of 2)‎

Hepato-nephrotoxicity in late juvenile of Oreochromis niloticus exposed to gibberellic acid: Ameliorative effect of Spirulina platensis

Pesticide Biochemistry and Physiology
2020 | Journal article
EID:

2-s2.0-85085055447

Part of ISBN:

10959939 00483575

Contributors: Sayed, A.E.-D.H.; AbdAllah, E.A.; Hamed, M.; Soliman, H.A.M.
Source: Self-asserted source
Mohamed Hamed via Scopus - Elsevier
grade
Preferred source (of 2)‎

Ameliorative effect of Spirulina platensis against lead nitrate–induced cytotoxicity and genotoxicity in catfish Clarias gariepinus

Environmental Science and Pollution Research
2019 | Journal article
EID:

2-s2.0-85066106712

Part of ISBN:

16147499 09441344

Contributors: Hamed, M.; Soliman, H.A.M.; Sayed, A.E.-D.H.
Source: Self-asserted source
Mohamed Hamed via Scopus - Elsevier
grade
Preferred source (of 2)‎

Assessment the effect of exposure to microplastics in Nile Tilapia (Oreochromis niloticus) early juvenile: I. blood biomarkers

Chemosphere
2019 | Journal article
EID:

2-s2.0-85064994364

Contributors: Hamed, M.; Soliman, H.A.M.; Osman, A.G.M.; Sayed, A.E.-D.H.
Source: Self-asserted source
Mohamed Hamed via Scopus - Elsevier
grade
Preferred source (of 2)‎

Protective effects of a novel pyrazolecarboxamide derivative against lead nitrate induced oxidative stress and DNA damage in Clarias gariepinus

Environmental Pollution
2019 | Journal article
EID:

2-s2.0-85060751210

Contributors: Soliman, H.A.M.; Hamed, M.; Lee, J.-S.; Sayed, A.E.-D.H.
Source: Self-asserted source
Mohamed Hamed via Scopus - Elsevier
grade
Preferred source (of 3)‎

Protective role of Spirulina platensis against UVA-induced haemato-biochemical and cellular alterations in Clarias gariepinus

Journal of Photochemistry and Photobiology B: Biology
2019 | Journal article
EID:

2-s2.0-85058794695

Contributors: Osman, A.; Hamed, M.; Sayed, A.
Source: Self-asserted source
Mohamed Hamed via Scopus - Elsevier
grade
Preferred source (of 3)‎

Peer review (125 reviews for 36 publications/grants)

Review activity for Acta ecologica Sinica. (1)
Review activity for Aquaculture international. (2)
Review activity for Aquatic toxicology. (2)
Review activity for Bulletin of environmental contamination and toxicology. (3)
Review activity for Bulletin of environmental contamination and toxicology. (3)
Review activity for Chemosphere. (1)
Review activity for Chemosphere. (1)
Review activity for Cogent food & agriculture. (1)
Review activity for Ecological indicators. (1)
Review activity for Ecotoxicology. (1)
Review activity for Environmental chemistry and ecotoxicology. (3)
Review activity for Environmental research. (2)
Review activity for Environmental science and pollution research international (5)
Review activity for Environmental toxicology and pharmacology. (2)
Review activity for Fish and shellfish immunology reports. (8)
Review activity for Fish physiology and biochemistry. (4)
Review activity for Frontiers in earth science. (2)
Review activity for Frontiers in environmental science. (1)
Review activity for Frontiers in marine science. (6)
Review activity for Frontiers in microbiology. (1)
Review activity for Frontiers in physiology. (5)
Review activity for Heliyon. (4)
Review activity for Journal of hazardous materials. (6)
Review activity for Journal of hazardous materials. (1)
Review activity for Marine pollution bulletin. (8)
Review activity for Marine pollution bulletin. (12)
Review activity for Molecular biology reports. (1)
Review activity for PloS one. (2)
Review activity for Reviews in fisheries science & aquaculture. (1)
Review activity for Science of the total environment. (7)
Review activity for Science of the total environment. (7)
Review activity for Science progress. (3)
Review activity for Scientific African. (13)
Review activity for Scientific reports. (3)
Review activity for Veterinary World. (1)
Review activity for Watershed ecology and the environment. (1)