Author

Hebat-Allah S. Tohamy

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Open access 2026

Nano-Silica Synthesis from Rice Husk Waste and Its Use as a Paper Sheet Anti-Aging Coating with Density Functional Theory (DFT) Insights

: Paper ages naturally by heat, oxidation, and hydrolysis, which cause a progressive loss of mechanical strength. This study achieved a high yield of 93% amorphous SiO 2 from rice husk waste through controlled calcination at 450 ○ C (3 h) and 800 ○ C (2 h), alkaline extraction with 2.5 N NaOH, acid precipitation with 1...

M. A. El-Sabour, M. El-Sakhawy, Hebat-Allah S. Tohamy · Journal of Renewable Materia... · 0 citations

Open access Aug 2026

Amphiphilic Emulgels Loaded with Pomegranate Carbon Dots and Rosemary Oil for Metabolic pH Monitoring

The development of sustainable, smart food packaging materials that simultaneously provide antimicrobial protection and real-time monitoring of food quality is a critical frontier in food safety. This study reports the fabrication of a multifunctional amphiphilic emulgel designed for the detection of pathogen-induced m...

Hebat-Allah S. Tohamy, Ilaria Cacciotti · Gels · 0 citations