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. 2018 Aug 3;4(8):eaap8045. doi: 10.1126/sciadv.aap8045

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Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 2 — (A) Lewis acid–Lewis base interactions between cationic naked NCs and amine-terminated PDMS polymers allow the formation of NCPSs at the interface between DMF and PDMS oil, which are immiscible. (B) The liquid-like 2D assembly of NCPSs can be solidified by compressing the liquid-liquid interface, shown here as the DMF droplet is retracted into the syringe. This buckled state of the 2D interfacial film exhibits wrinkles, which are persistent indefinitely.