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. 2018 Sep 18;9:3808. doi: 10.1038/s41467-018-06239-5

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — Chirality perception of the macro stripe. a The upper half, the PANI: s-CSA stripe exposed to (s)-(+)-2-aminohexane and (ʀ)-(-)-2-aminohexane in THF. The bottom half, the PANI:ʀ-CSA stripe exposed to (s)-(+)-2-aminohexane and (ʀ)-(-)-2-aminohexane in THF. Disparate actuation behaviours over time can be observed when the stripes responded to chiral stimuli from different enantiomeric aminohexanes. Scale bar corresponds 0.5 mm. b the de-doping apparent rate constant k_a of a series of chiral target amine species for PANI stripes doped by enantiomeric CSA