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Chiral selection by interfacial shearing of self-assembled achiral molecules

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We report a novel phenomenon of chiral selection in self-assembled condensates of achiral amphiphiles. The handedness of chiral textures, reproducing the collective rotational component of the molecular orientation inside submillimeter circular domains, is correlated with the sign of a vortical stirring in the aqueous subphase. We propose an explanation based on the distinctive kinetics of topological defect annihilation during domain coalescence at the initial coarsening stage of a phase-separating monolayer.

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PETIT GARRIDO, Núria, et al. Chiral selection by interfacial shearing of self-assembled achiral molecules. Physical Review Letters. 2009. Vol. 103, num. 23, pags. 237802. ISSN 0031-9007. [consulted: 10 of September of 2026]. Available at: https://hdl.handle.net/2445/139499

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