Working as a Full Professor at Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia. I have focused and have made constant efforts to develop and validate newer, more sensitive cell-based in vitro models as an alternative to experimental animals for biomedical and molecular toxicology research. Such test models have relevance to understanding the molecular insights of nanoparticles, drugs/ chemical-induced toxicity, and metabolism. 
 
Research Area: Systematic Toxicology, Nanomaterial Toxicology, Genetic Toxicology, Aquatic Toxicology & biology, Cell biology, Environmental toxicology.
 

Mutations, formation of new recombinants in bacteria, mobile genetic elements, genetic regulation of the immune response and cell division. Oncogenes and primary oncogenes. Some important…
Practical syllabus (Zoo 352), Name: Fundamentals of genetics Weeks Description of exercise 1 Lab Safety and…
ZOO 551: Advanced Genetics Practical: Lab Safety and introduction, Introduction to chromosome structure, Chromosome aberration, Sister chromatid exchange, micronucleus, Karyotyping: Identifying…
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…
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…
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…

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