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. 2016 Apr 1;2(4):e1501779. doi: 10.1126/sciadv.1501779

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Copyright © 2016, The Authors

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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Fig. 2 — (A) Scheme illustrating the stepwise sequence for fabricating multicomponent colloidal chains. (B to E) One-dimensional linear PS colloidal chains assembled using different particles and sequences, resembling bar-code chains (B and C), block copolymers (D), and surfactants (E) (merged fluorescence images). The insets show the specific assembly sequence and directions in each case. Note that in the assembly of surfactant-like colloidal chains, the assembly direction was rotated by ~80° for the second step (inset to E). Scale bars, 5 μm (B and C) and 10 μm (D and E).