What Are the Challenges in Using Gold Nanoparticles?
Despite their advantages, there are several challenges associated with the use of gold nanoparticles. One major issue is toxicity, which can vary depending on the size, shape, and surface chemistry of the nanoparticles. Additionally, the cost of gold can be prohibitive for large-scale applications. There are also challenges related to the aggregation and stability of gold nanoparticles in different environments.