Gold and Silver Nanoparticles: Synthesis and Applications provides detailed information on the preparation and utilization of Au- and Ag-based nanoparticles in a range of novel areas. Gold and silver nanoparticles offer a range of interesting properties, including unique size-dependent optoelectronic properties, chemical stability and biocompatibility, ease of synthesis and surface modification, excellent resistance to corrosion, and catalytic properties, hence paving the way to a wide range of cutting-edge applications with continual advances and innovations. Sections introduce gold and silver nanoparticles, fundamental theory, synthesis, and characterization techniques before focusing on requirements and preparation methods. Specific applications areas, such as surface-enhanced Raman spectroscopy (SERS), sensing and biosensing, imaging, drug and gene delivery, disease diagnosis, catalysis, and optoelectronic device fabrication are covered. Finally, synthesis and applications of platinum- and palladium-based nanoparticles are discussed. This is a valuable resource for researchers and advanced students across nanoscience and nanotechnology, chemistry, and materials science, as well as scientists, engineers, and R&D professionals with an interest in noble metal nanomaterials for a range of industrial applications.