Characterization of Chiral Nanostructures: CD helps in determining the chiral nature and optical activity of nanostructures such as nanoparticles, nanofibers, and nanotubes. Monitoring Interactions: It is used to study the interactions between nanomaterials and biomolecules, providing insights into binding mechanisms and structural changes. Synthesis Control: CD aids in optimizing the synthesis of chiral nanomaterials by monitoring the formation and purity of the desired chiral structures.