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Schematic representation of crystalline chiral Co3O4 NPs, synthesized in the presence of D-Cys (A) and L-Cys (B). (C, D) Raman and ROA spectra of D-Cys and L-Cys Co3O4 NPs in scattered circular polarization ROA mode under 532 nm laser irradiation. Reproduced with permission from ref (37); copyright 2018, AAAS.
