Search filters

List of works by Alaa El-Din Hamid Sayed

Acute effects of ultraviolet-A radiation on African catfish Clarias gariepinus (Burchell, 1822).

scientific article published on 5 November 2007

Adverse effects, expression of defense-related genes, and oxidative stress-induced MAPK pathway in the benzo[α]pyrene-exposed rotifer Brachionus rotundiformis

scientific article published on 06 March 2019

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

scientific article published on 18 May 2019

Antioxidant and antiapoptotic activities of Calotropis procera latex on Catfish (Clarias gariepinus) exposed to toxic 4-nonylphenol.

scientific article

Apoptosis and morphological alterations after UVA irradiation in red blood cells of p53 deficient Japanese medaka (Oryzias latipes).

scientific article published on 4 May 2016

Apoptotic cell death in erythrocytes of p53-deficient medaka (Oryzias latipes) after γ-irradiation.

scientific article

Arsenic-induced genotoxicity in Nile tilapia (Orechromis niloticus); the role of Spirulina platensis extract.

scientific article

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

scientific article published on 22 April 2019

Comparative histology of wild-type and p53-deficient medaka (Oryzias latipes): nephrotoxic effect of ultraviolet A radiation

scientific article published on 01 February 2020

Correction to: Hemotoxic effects of some herbicides on juvenile of Nile tilapia Oreochromis niloticus

scientific article published on 01 January 2020

Cytotoxic and genotoxic effects of arsenic on erythrocytes of Oryzias latipes: Bioremediation using Spirulina platensis

scientific article published on 14 June 2019

Cytotoxic and hemotoxic effects of silver nanoparticles on the African Catfish, Clarias gariepinus (Burchell, 1822)

scientific article published on 15 January 2019

Developmental toxicity and DNA damaging properties of silver nanoparticles in the catfish (Clarias gariepinus).

scientific article published on 15 July 2017

Double strand break repair and γ-H2AX formation in erythrocytes of medaka (Oryzias latipes) after γ-irradiation

scientific article published in May 2017

Effects of 4-nonylphenol on blood cells of the African catfish Clarias gariepinus (Burchell, 1822).

scientific article published on 17 April 2011

Effects of short time UV-A exposures on compound eyes and haematological parameters in Procambarus clarkii (Girad, 1852).

scientific article published on 11 February 2011

Endocrine disruption, oxidative stress, and testicular damage induced by 4-nonylphenol in Clarias gariepinus: the protective role of Cydonia oblonga.

scientific article published on 11 March 2017

Environmental pollution and toxic substances: Cellular apoptosis as a key parameter in a sensible model like fish

article

Hematotoxic and biochemical effects of UVA on the Egyptian toad (Bufo regularis).

scientific article published on 20 November 2015

Hemotoxic effects of some herbicides on juvenile of Nile tilapia Oreochromis niloticus

scientific article published on 24 August 2019

Hepatoprotective efficacy of Spirulina platensis against lead-induced oxidative stress and genotoxicity in catfish; Clarias gariepinus.

scientific article published on 27 May 2017

Hepatotoxic responses of 4-nonylphenol on African catfish (Clarias gariepinus): antixoidant and histochemical biomarkers.

scientific article published on 7 March 2018

Immunostaining of UVA-induced DNA damage in erythrocytes of medaka (Oryzias latipes).

scientific article

Immunotoxic effects of 4-nonylphenol on Clarias gariepinus: Cytopathological changes in hepatic melanomacrophages

scientific article published on 03 December 2018

Induction of apoptosis and DNA damage by 4-nonylphenol in African catfish (Clarias gariepinus) and the antioxidant role of Cydonia oblonga.

scientific article

Modulatory effects of green tea extract against the hepatotoxic effects of 4-nonylphenol in catfish (Clarias gariepinus).

scientific article published on 17 November 2017

Nigella sativa seeds mitigate the hepatic histo-architectural and ultrastructural changes induced by 4-nonylphenol in Clarias gariepinus

scientific article published in 2023

Nuclear and cytoplasmic changes in erythrocytes of p53-deficient medaka fish (Oryzias latipes) after exposure to gamma-radiation

scientific article published on 26 April 2014

Oocyte atresia in WT (HdrR) and P53 (-/-) medaka (Oryzias latipes) exposed to UVA.

scientific article published on 12 April 2018

Oxidative Stress and Immunopathological Alterations of Clarias gariepinus Exposed to Monocyclic Aromatic Hydrocarbons (BTX)

scientific article published in 2023

Protective effect of Nigella sativa on 4-nonylphenol-induced nephrotoxicity in Clarias gariepinus (Burchell, 1822).

scientific article

Protective effect of p53 knockout on 4-nonylphenol-induced nephrotoxicity in medaka (Oryzias latipes)

scientific article published on 08 July 2019

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

scientific article published on 25 January 2019

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

scientific article published on 18 December 2018

SDS-PAGE technique as biomarker for fish toxicological studies

scientific article published on 31 August 2018

Sensitivity of medaka (Oryzias latipes) to 4-nonylphenol subacute exposure; erythrocyte alterations and apoptosis.

scientific article published on 26 December 2017

Silver nanoparticle-induced nephrotoxicity in Clarias gariepinus: physio-histological biomarkers

scientific article published on 10 August 2019

Surface architecture of the oropharyngeal cavity and the digestive tract of Mulloidichthys flavolineatus from the red sea, Egypt: A scanning electron microscope study.

scientific article

The biological activity of new thieno[2,3-c]pyrazole compounds as anti-oxidants against toxicity of 4-nonylphenol in Clarias gariepinus.

scientific article published on 21 October 2015

The microstructure of buccal cavity and alimentary canal of Siganus rivulatus: Scanning electron microscope study

scientific article published on 16 January 2019

The notochord curvature in medaka (Oryzias latipes) embryos as a response to ultraviolet A irradiation.

scientific article

The protective role of Spirulina platensis to alleviate the Sodium dodecyl sulfate toxic effects in the catfish Clarias gariepinus (Burchell, 1822)

scientific article published on 24 July 2018

The protective role of quince leaf extract against the adverse impacts of ultraviolet--a radiation on some tissues of Clarias gariepinus (Burchell, 1822).

scientific article

UVA-Induced DNA Damage and Apoptosis in Red Blood Cells of the African Catfish Clarias gariepinus.

scientific article published on 2 August 2017

UVA-induced neurotoxicity in Japanese medaka (Oryzias latipes)

scientific article published on 11 October 2018

Ultraviolet radiation-A (366 nm) induced morphological and histological malformations during embryogenesis of Clarias gariepinus (Burchell, 1822).

scientific article published on 20 February 2009

Use of hematological parameters to assess the efficiency of quince (Cydonia oblonga Miller) leaf extract in alleviation of the effect of ultraviolet--A radiation on African catfish Clarias gariepinus (Burchell, 1822).

scientific article published on 25 January 2010

γ-H2AX foci as indication for the DNA damage in erythrocytes of medaka (Oryzias latipes) intoxicated with 4-nonylphenol

scientific article published on 24 August 2018