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M. Elsayed

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Open access Aug 2026

Palm Frond Phenolic Extract-Loaded PVA Films as Active Packaging for Barhi Dates: Structure, Antioxidant Properties, and Quality Preservation

This study developed bioactive polyvinyl alcohol (PVA) films loaded with palm frond phenolic extract (PFX) and evaluated their use as active packaging for fresh Barhi dates. HPLC identified catechin (12.3 mg/g), epicatechin (9.8 mg/g), gallic acid (8.4 mg/g), and procyanidin B1 (6.5 mg/g) as the main phenolics, consi...

Mahmoud Younis, Reham M. Kamel, M. Salama et al. · 0 citations
Sep 2026

Ensemble Machine Learning for Thickness‐Dependent Bandgap Prediction in Perovskite Solar Cell Thin Films

Feature attribution via SHAP, MDI, and permutation importance (PI) consistently identifies perovskite thickness, the engineered effective absorbance term (BG × Thickness × PCE), and the Br/I halide mixing ratio as the dominant predictors.

H. A. K. Kyhoiesh, Mohamed A. El-Sayed, I. E. El Azab et al. · 0 citations

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