Carboxymethyl cellulose: Structural modifications and their impact on barrier and mechanical properties for sustainable food packaging - Batool Esmat; Shumaila Bibi; Mohamed Mohamed Soliman; Hamdy Khamees Thabet; Muhammad Ahmad Wattoo; Muhammad Altaf Nazir; Zeinhom M. El-Bahy; Aziz ur Rehman (Journal of Stored Products Research, 2026)