Figure 1. Schematic diagram of the racemic metasurface. (a) Arbitrary polarization-wavefront conversion. (b) Racemic "super-units". Chirality is one of the fundamental phenomena widely present in ...

THE difficulties found by several investigators 1 in attempting to separate a racemic compound into its optical antipodes by means of chromatography on paper are well known. We have attempted to ...

SINCE the introduction of Tswett's technique of chromatographic adsorption, this process has been applied successfully to the separation of many isomeric or closely related substances, including the ...

For permission requests, please contact NEJM Reprints at [email protected] The resolution of d,l-Dromoran into its optically active components provided a compound — levo-Dromoran — that has at least ...

The latest short science news items from C&EN. In order for the catalyst to be stereoselective, its ligand has to be able to distinguish between the different alkyl substituents. Fu’s hunch about how ...