Carboxymethyl cellulose/sodium alginate bilayer films doped with citric acid and nano-ZnO/powdered activated carbon for walnut kernel preservation - Jiaying Huo; Wenqian Guan; Xiaolong Liu; Xiaodan Zhang; Hao Wang; Xiongwei Yu; Chaoqun Lu; Sihai Gao; Shugang Li (Food and Bioproducts Processing, 2026)