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Dr Ali Daoud

Professor

Faculty

كلية العلوم
Department of Zoology College of Science King Saud University, Riyadh, Saudi Arabia
المنشورات
مقال فى مجلة
2013

Effect of battery-manufacturing effluent on endogenous antioxidant in freshwater fish

, Anwar Ahmad & Daoud Ali . 2013

This study monitors and assesses the effect of battery-manufacturing effluent containing metals Pb, Zn and Cd
on endogenous antioxidants. Malonaldehyde (MDA), reduced glutathione sulfyhydryl (GSH) and catalase (CAT)
which are known biomarkers of effluent were exposed to 0%, 25%, 50%, 75% and 90% amendments for 74h on
the gills, liver and kidneys of C. punctata. There was more metal Zn accumulation in the gills and GSH contents
increased significantly in the gills (P<0.01), liver accumulation of Pb was found to be more (P<0.05), whereas lowest
accumulation of Pb was found in kidneys and the highest accumulation of Cd (P<0.05). Over all amendments of the
effluents, MDA contents were increased in the gills, liver and kidneys (P<0.01). GSH levels were decreased among
the liver and kidneys compared to the gills (P<0.01) at 90% amendment. Effluent exposure caused a significant
decrease in the activities of CAT in the gills, liver and kidneys (P<0.01, 0.05 and 0.05) of fish. Increased MDA activity
was indicative of the formation of free radicals in the fish with exposure to amendments of battery manufacturing
effluent, while increased levels of GSH pointed to the occurrence of a scavenging mechanism of free radicals.

رقم المجلد
25
رقم الانشاء
2
مجلة/صحيفة
Chemical Speciation & Bioavailability - Taylor & Francis
الصفحات
106-112
مزيد من المنشورات
publications

Metal nanomaterials such as bismuth oxide nanoparticles (Bi2O3NPs) have been extensively used in cosmetics, dental materials,pulp capping, and biomedical imaging. There is little knowledge about…

بواسطة Ali Alamer1 & Daoud Ali2 & Saud Alarifi2 & Abdullah Alkahtane2 & Mohammed AL-Zharani3 & Mohamed M. Abdel-Daim2,4 & Gadah Albasher2 & Rafa Almeer2 & Nouf K. Al-Sultan2 & Abdulaziz Almalik1,5 & Ali H Alhasan1,5 & Saa
2021
publications

Silver nanoparticles (AgNPs) possess properties that are important for industrial and medical applications. This study is aimed to investigate intra-peritoneal toxicity of AgNPs at 26, 52 or 78 mg…

بواسطة Saud Alarifi, Daoud Ali, Mohammed A Al Gurabi & Saad Alkahtani
2017
publications

The present work was designed to investigate the effect of palladium nanoparticles (PdNPs) on human skin malignant melanoma (A375) cells, for example, induction of apoptosis, cytotoxicity, and DNA…

بواسطة Saud Alarifi, Daoud Ali, Saad Alkahtani, and Rafa S. Almeer
2017