Author

Asmaa H. Ragab

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Open access Oct 2026

MnO2–Co3O4@RGO hybrid nanocomposite-modified carbon paste electrode for sensitive electrochemical detection of hydrogen peroxide in food and edible-oil matrices

Repeated heating of cooking oils promotes lipid oxidation and the formation of reactive oxygen species (ROS) and other oxidation products, including hydrogen peroxide (H2O2). Excessive ROS generation can disrupt cellular redox homeostasis and contribute to oxidative stress, which is associated with cellular damage and...

Asmaa H. Ragab, H. Mager, R. El Nashar et al. · RSC Advances · 0 citations

Open access Sep 2026

Interfacial engineering of TiO2–WO3@MWCNTs nanocomposites for ultrasensitive and highly selective electrochemical nitrite sensing in food samples

Nitrite ions are extensively utilized in the food industry to enhance preservation, flavor, and colorants; however, their excessive intake poses serious health risks, including mutagenic and carcinogenic effects. In this work, a novel electrochemical sensor platform providing high sensitivity and high selectivity was c...

Asmaa H. Ragab, H. Mager, R. El Nashar et al. · RSC Advances · 0 citations