that exhibits chirality; as in the left-handed and right-handed versions of a helix, or a molecule with L- and D- stereoisomers.
In the close vicinity of a chiral nanostructure, the circular dichroism of a biomolecule could be greatly enhanced, due to the interaction with the local superchiral fields.
From Ancient Greek χείρ (kheír, “hand”) + -al.
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