Sustainable valorization of chicken feather waste: Keratin extraction for advanced UV-protective textile, antioxidant applications, and DFT-guided sodium sulfide dissolution

Hamidallah K., Laboratory of Applied Chemistry and Environment, Department of Chemistry, Faculty of Sciences and Techniques, Hassan First University of Settat, P.O. Box 577, Settat, 26000, Morocco, Department of Industrial Engineering, Section of Chemical Engineering, University of Salerno, Via Giovanni Paolo II n. 132, Fisciano, 84084, Italy; Hamidallah N., Laboratory of Biochemistry, Neurosciences, Natural Resources and Environment, Faculty of Sciences and Techniques, Hassan First University of Settat, P.O. Box 577, Settat, 26000, Morocco; De Gisi S., Department of Industrial Engineering, Section of Chemical Engineering, University of Salerno, Via Giovanni Paolo II n. 132, Fisciano, 84084, Italy; El Azizi A., Laboratory of Molecular Chemistry, Materials and Environment (LCM2E), Multidisciplinary Faculty of Nador, Mohammed First University, B.P. 300, Selouane, Nador, 62700, Morocco; Safi Z., Al Azhar University-Gaza, Chemistry Department, Faculty of Science, P.O Box 1277, Gaza, Palestine; Berisha A., Department of Chemistry, Faculty of Natural and Mathematics Science, University of Prishtina, Prishtina, 10000, Serbia; Wazzan N., King Abdulaziz University, Chemistry Department, Faculty of Science, P.O. Box 42805, Jeddah, 21589, Saudi Arabia; Anouar A., Laboratory of Applied Chemistry and Environment, Department of Chemistry, Faculty of Sciences and Techniques, Hassan First University of Settat, P.O. Box 577, Settat, 26000, Morocco