What are the Challenges in Using ZnO Nanoparticles?
Despite their advantages, there are challenges associated with the use of ZnO nanoparticles:
1. Aggregation: ZnO nanoparticles tend to aggregate, which can reduce their effectiveness. 2. Stability: Maintaining the stability of ZnO nanoparticles in various environments can be challenging. 3. Toxicity: Although generally considered biocompatible, the long-term effects and potential toxicity of ZnO nanoparticles need further study.