Programmable Mechanically Active Hydrogel-Based Materials.
Programmable Mechanically Active Hydrogel-Based Materials.
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DOI:
10.1002/adma.202006600
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发表时间:
2021-11
期刊:
影响因子:
--
通讯作者:
Salaita K
中科院分区:
文献类型:
--
作者:
Dong Y;Ramey-Ward AN;Salaita K
Programmable mechanically active materials (MAMs) are defined as materials that can sense and transduce external stimuli into mechanical outputs or conversely that can detect mechanical stimuli and respond through an optical change or other change in the appearance of the material. Programmable MAMs are a subset of responsive materials and offer potential in next generation robotics and smart systems. This review specifically focuses on hydrogel-based MAMs because of their mechanical compliance, programmability, biocompatibility and cost-efficiency. The review first discusses the composition of hydrogel MAMs along with the top-down and bottom-up approaches used for programming these materials. Next, we discuss the fundamental principles for engineering responsivity in MAMS which includes optical, thermal, magnetic, electrical, chemical, and mechanical stimuli. We compare some advantages and disadvantages of different responsivities. Then, to conclude, we summarize the emerging applications of hydrogel-based MAMs from recently published literature, as well as the future outlook of MAM studies.
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