Assist. Prof. Dr. Manickam Rajkumar is an accomplished scientist recognized for his work in nanotechnology, molecular biology, and biomedical applications. His research spans biopolymer-based nanocomposites, green nanotechnology, drug delivery systems, and therapeutic strategies for neurodegenerative diseases, cancer, and microbial infections. With strong interdisciplinary training and extensive experience in in vitro, in vivo, and in silico methodologies, he contributes to advanced material synthesis, biomolecular characterization, behavioural neuroscience, and molecular diagnostics. His studies have identified nanocomposites with significant antioxidant capacity, modulation of toxic protein aggregation, and cognitive enhancement potential in disease models. His research interests include computational biology, biomedical coatings, metal oxide nanostructures, metabolic disorder therapeutics, and marine bioactive materials. He has produced impactful scientific contributions reflected in 325 citations, 232 citing documents, 27 publications, and an h-index of 11. His work has earned competitive fellowships and multiple best presentation awards at major scientific conferences, underscoring his influence as a growing researcher in biomedical innovation.