Abstract:
:Living organisms in drying environments build anisotropic structures and exhibit directionality through self-organization of biopolymers. However, the process of macro-scale assembly is still unknown. Here, we introduce a dissipative structure through a non-equilibrium process between hydration and deposition in the drying of a polysaccharide liquid crystalline solution. By controlling the geometries of the evaporation front in a limited space, multiple nuclei emerge to grow vertical membrane walls with macroscopic orientation. Notably, the membranes are formed through rational orientation of rod-like microassemblies along the dynamic three-phase contact line. Additionally, in the non-equilibrium state, a dissipative structure is ultimately immobilized as a macroscopically partitioned space by multiple vertical membranes. We foresee that such oriented membranes will be applicable to soft biomaterials with direction controllability, and the macroscopic space partitionings will aid in the understanding of the space recognition ability of natural products under drying environments.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Okeyoshi K,Okajima MK,Kaneko Tdoi
10.1038/s41598-017-05883-zsubject
Has Abstractpub_date
2017-07-21 00:00:00pages
5615issue
1issn
2045-2322pii
10.1038/s41598-017-05883-zjournal_volume
7pub_type
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