Research on three-dimensional yarn ball-like nickel cobalt oxide explores its use as an electrocatalyst material for fuel cells. Chemical and microscopic analysis of water treatment sludge from Bukit Sebukor Water Treatment Plant is also presented. The fabrication of water filters from rice husk waste via cold isostatic pressing is examined. Properties of natural hydroxyapatite extracted from black tilapia fish using calcination are analyzed. Comparative analysis of coating methods on TiO2 coated fabrics' morphological structures and breathability is conducted. Growth and morphological features of locally isolated microalgae Cyclotella and Pavlova are studied. Evaluation of tilapia fish skin collagen hydrogel as a burn wound healing agent is explored. Morphology and size distribution of palm olein crystals during fractional crystallization with behenic acid are investigated. Histological evaluation of Allium ampeloprasum methanol extract's wound healing activity is presented. Ultrastuctural morphology study and optimization of growth conditions for Leptospira interrogans are conducted. Aluminide coating characterization on 304 SS using slurry aluminizing process is analyzed. Lastly, the development of fish-derived collagen scaffold loaded with metronidazole nanoparticle for periodontal bone regeneration is discussed.