Dr. Valentine Saasa is a Senior Lecturer in the Department of Life and Consumer Sciences at the University of South Africa (UNISA). She holds a PhD in Biochemistry and has established expertise in biosensor technologies, nanobiotechnology, and analytical biotechnology. Her research focuses on the design and development of advanced electrochemical biosensors and functional nanomaterials for rapid, sensitive, and cost-effective detection of disease biomarkers, foodborne pathogens, and environmental contaminants. Her work integrates materials science, electrochemistry, biotechnology, and analytical chemistry to develop next-generation point-of-care diagnostic devices and wearable sensing platforms. She is actively involved in multidisciplinary and international collaborations aimed at translating laboratory innovations into practical healthcare and food security solutions.