Explore the innovative world of nanomaterials and their potential healthcare applications in this comprehensive lecture by Professor Nguyen TK Thanh. Delve into the design, synthesis, characterization, and biofunctionalization of plasmonic and magnetic nanomaterials. Learn about the historical context of nanoparticle synthesis, starting with Michael Faraday's work in 1856, and discover how modern scientists have expanded upon this foundation. Gain insights into the optical properties of nanoparticles, their use in sensing and infection control, and the applications of magnetic nanoparticles in cancer treatment. Examine the challenges in nanoparticle development, characterization techniques, and the potential of nanoparticles as drug delivery systems. This in-depth exploration covers a wide range of topics, from basic principles to cutting-edge research in nanomaterials for healthcare.