Human Machine Interface with Wearable Electronics Using Biodegradable Triboelectric Films for Calligraphy Practice and Correction

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Nano-Micro Letters Pub Date : 2022-11-15 DOI:10.1007/s40820-022-00965-8

Shen Shen, Jia Yi, Zhongda Sun, Zihao Guo, Tianyiyi He, Liyun Ma, Huimin Li, Jiajia Fu, Chengkuo Lee, Zhong Lin Wang

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Abstract

Highlights

A wearable triboelectric nanogenerator (denoted as CSF-TENG) is designed using biodegradable and carboxymethyl chitosan-silk fibroin (CSF) film.
In vitro biodegradation of CSF film is performed through trypsin and lysozyme. 63.1% of CSF film is removed by trypsin and lysozyme after degrading for 11 days.
An intuitive writing system is designed by CSF-TENGs-based human-machine interface to promptly track writing steps, highlight the stroke in advance, and access the accuracy of letters.

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使用生物可降解三电薄膜的可穿戴电子设备人机界面，用于书法练习和校正。

字母笔迹，尤其是笔画修正，对于个人行为和公众记录语言、表达和交流思想具有重要意义。本研究制备了一种可生物降解和导电的羧甲基壳聚糖-丝纤维蛋白（CSF）薄膜，用于设计可穿戴式三电纳米发电机（简称 CSF-TENG），其输出 Voc ≈ 165 V，Isc ≈ 1.4 μA，Qsc ≈ 72 mW cm-2。此外，还通过胰蛋白酶和溶菌酶对 CSF 薄膜进行了体外生物降解。结果表明，胰蛋白酶和溶菌酶具有稳定和良好的生物降解特性，在降解 11 天后，可去除 63.1% 的 CSF 薄膜。此外，基于 CSF-TENG 的人机界面（HMI）可及时跟踪书写步骤并获取字母的准确性，是一种直观的人机交流媒介。基于 CSF-TENG 的人机界面可自动识别和纠正三个具有代表性的字母（F、H 和 K），并由人机界面系统进行数据处理和分析。基于 CSF-TENG 的人机界面可以为下一个笔画做出决定，提前用红色替换突出显示笔画，这可以作为书法练习和纠正的候选。最后，还进行了各种实时演示，以实现虚拟和现实世界的控制，包括书写、车辆移动和医疗保健。

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

42.40

自引率

4.90%

发文量

715

审稿时长

13 weeks

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary and open-access journal that focus on science, experiments, engineering, technologies and applications of nano- or microscale structure and system in physics, chemistry, biology, material science, pharmacy and their expanding interfaces with at least one dimension ranging from a few sub-nanometers to a few hundreds of micrometers. Especially, emphasize the bottom-up approach in the length scale from nano to micro since the key for nanotechnology to reach industrial applications is to assemble, to modify, and to control nanostructure in micro scale. The aim is to provide a publishing platform crossing the boundaries, from nano to micro, and from science to technologies.