The handedness of supramolecular helices formed from achiral monomers has been controlled by applying rotational and gravitational forces, but at the start of the assembly process only. This demonstrates that a falsely chiral influence is able to induce absolute enantioselection.
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Barron, L. Spin and gravity give a helping hand. Nature Chem 4, 150–152 (2012). https://doi.org/10.1038/nchem.1278
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DOI: https://doi.org/10.1038/nchem.1278
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