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Highly Stretchable, Adhesive, and Self-Healing Silk Fibroin-Dopted Hydrogels for Wearable Sensors
Advanced Healthcare Materials ( IF 10.0 ) Pub Date : 2021-03-24 , DOI: 10.1002/adhm.202002083 Li Zhao 1 , Jizhong Zhao 1 , Fan Zhang 1, 2 , Zijie Xu 1 , Fan Chen 1 , Yating Shi 1 , Chen Hou 1 , Yicheng Huang 2 , Changjian Lin 3 , Rui Yu 1 , Wenxi Guo 1
Advanced Healthcare Materials ( IF 10.0 ) Pub Date : 2021-03-24 , DOI: 10.1002/adhm.202002083 Li Zhao 1 , Jizhong Zhao 1 , Fan Zhang 1, 2 , Zijie Xu 1 , Fan Chen 1 , Yating Shi 1 , Chen Hou 1 , Yicheng Huang 2 , Changjian Lin 3 , Rui Yu 1 , Wenxi Guo 1
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In recent years, the preparations of flexible electronic devices have attracted great attention. Here, a simple one-pot method of thermal polymerization is introduced to fabricate silk fibroin-dopted hydrogels (SFHs), which are both chemically and physically cross-linked by acrylamide (AM), acrylic acid (AA), and silk fibroin (SF). The addition of SF can effectively enhance the mechanical property of the SFH12% by 59% compared with SFH0%. Taking the advantage of its wide working range of stress (about 0.455–568.9 kPa), the SFH can work as a resistance-type pressure sensor to monitor different human motions. What is more, the excellent adhesion, about 75.17 N m−1 of SFH46% enables it to fit tightly to other objects during the testing, which significantly reduces the loss of small signals due to poor fit. In addition, the SFH demonstrates excellent self-healing property without requiring external excitation and a sensitive temperature response in the range of −10 to 60 °C. The SFH is expected to be applied in the field of electronic skin, soft robots, and other flexible electronic products as well as speech recognition.
中文翻译：
用于穿戴式传感器的高度可拉伸，粘性和自愈性丝素蛋白合成水凝胶
近年来，柔性电子设备的制备备受关注。在这里，介绍了一种简单的一锅法热聚合方法，以制备丝素蛋白修饰的水凝胶（SFH），这些凝胶通过丙烯酰胺（AM），丙烯酸（AA）和丝素蛋白（SF）进行化学和物理交联）。与SFH 0％相比，SF的添加可以有效地将SFH 12％的机械性能提高59 ％。SFH凭借其广泛的应力工作范围（约0.455–568.9 kPa），可以作为电阻式压力传感器来监视人体的不同运动。此外，SFH 46％的优良附着力约为75.17 N m -1使其在测试过程中可以紧密地与其他物体配合，从而大大降低了由于配合不良而导致的小信号损失。另外，SFH表现出优异的自修复性能，而无需外部激励和在-10至60°C范围内的敏感温度响应。SFH有望应用于电子皮肤，软机器人和其他柔性电子产品以及语音识别领域。
更新日期：2021-05-20
中文翻译：
用于穿戴式传感器的高度可拉伸，粘性和自愈性丝素蛋白合成水凝胶
近年来，柔性电子设备的制备备受关注。在这里，介绍了一种简单的一锅法热聚合方法，以制备丝素蛋白修饰的水凝胶（SFH），这些凝胶通过丙烯酰胺（AM），丙烯酸（AA）和丝素蛋白（SF）进行化学和物理交联）。与SFH 0％相比，SF的添加可以有效地将SFH 12％的机械性能提高59 ％。SFH凭借其广泛的应力工作范围（约0.455–568.9 kPa），可以作为电阻式压力传感器来监视人体的不同运动。此外，SFH 46％的优良附着力约为75.17 N m -1使其在测试过程中可以紧密地与其他物体配合，从而大大降低了由于配合不良而导致的小信号损失。另外，SFH表现出优异的自修复性能，而无需外部激励和在-10至60°C范围内的敏感温度响应。SFH有望应用于电子皮肤，软机器人和其他柔性电子产品以及语音识别领域。
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