Bio-inspired flow-driven chitosan chemical gardens.,Soft Matter

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Bio-inspired flow-driven chitosan chemical gardens.
Soft Matter ( IF 2.9 ) Pub Date : 2020-09-04 , DOI: 10.1039/d0sm01397h
Pawan Kumar ₁ , Dezső Horváth ₂ , Ágota Tóth ₁

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Organic chemical gardens of chitosan hydrogel develop upon injecting an acidic chitosan solution into an alkaline solution. Besides complex and budding structures, tubular hydrogel formations develop that exhibit periodic surface patterns. The underlying wrinkling instability is identified by its characteristic wavelength dependence on the diameter of the elastic material formed. The flow-driven conditions allow precise control over the structure that can help the design of soft bio-inspired materials. Our findings can also suggest a new direction in the field of chemobrionics.

中文翻译：

受生物启发的流动驱动的壳聚糖化学园。

在将酸性壳聚糖溶液注入碱性溶液后，会形成壳聚糖水凝胶的有机化学园。除了复杂和萌芽的结构外，管状水凝胶的形成还表现出周期性的表面图案。潜在的起皱不稳定性通过其特征波长与所形成的弹性材料直径的关系来确定。流动驱动的条件允许对结构进行精确控制，从而可以帮助设计受生物启发的柔软材料。我们的发现还可以暗示化学溴化剂领域的新方向。

更新日期：2020-09-23

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