材料科学
自愈水凝胶
纳米技术
3D打印
3d打印
聚合物
高分辨率
弹性体
可穿戴技术
可穿戴计算机
计算机科学
生物医学工程
复合材料
嵌入式系统
工程类
高分子化学
地质学
遥感
作者
Xinyue Liu,Hyunwoo Yuk,Shaoting Lin,German Alberto Parada,Tzu‐Chieh Tang,Eléonore Tham,César de la Fuente‐Núñez,Timothy K. Lu,Xuanhe Zhao
标识
DOI:10.1002/adma.201704821
摘要
3D printing has been intensively explored to fabricate customized structures of responsive materials including hydrogels, liquid-crystal elastomers, shape-memory polymers, and aqueous droplets. Herein, a new method and material system capable of 3D-printing hydrogel inks with programed bacterial cells as responsive components into large-scale (3 cm), high-resolution (30 μm) living materials, where the cells can communicate and process signals in a programmable manner, are reported. The design of 3D-printed living materials is guided by quantitative models that account for the responses of programed cells in printed microstructures of hydrogels. Novel living devices are further demonstrated, enabled by 3D printing of programed cells, including logic gates, spatiotemporally responsive patterning, and wearable devices.
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