ISOLATION, CHARACTERIZATION AND EVALUATION OF ANTIOXIDANT ACTIVITY OF SILICA CELLULOSE NANOCOMPOSITE (SiO2-CNC) EXTRACTED FROM BIO-WASTE (RICE HUSK) INTEGRATED WITH CALLISTEMON CITRINUS EXTRACT. FJS [Internet]. 2025 Feb. 28 [cited 2025 Sep. 11];9(2):220-3. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/3176