Gold nanoparticles have the general properties of nanometer materials and other unique physical and chemical properties, such as optical properties, biocompatibility, catalytic activity. Gold nanoparticles have a wide range of applications in the chemical, biomedicine, food and other fields. Based on these special properties. The application of gold nanoparticles in the field of detection in food and biomedicine are reviewed, as well as the development in the future was prospected. |