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Yanchao Mao

Dr. Yanchao Mao is a professor and principle investigator in School of Physics and Microelectronics in Zhengzhou University. He received his PhD in Physical Chemistry from Sun Yat-Sen University in 2014. He was a visiting scholar in the Department of Materials Science and Engineering at University of Wisconsin–Madison under the supervision of Prof. Xudong Wang from 2012 to 2014. His research interests include human-machine interacting sensors and bioelectronics. He has published more than 60 papers in peer reviewed scientific journals including Nature Commun., Adv. Funct. Mater., ACS Nano, etc. His present H-index is 35. His research works were highlighted by ScienceDaily, Phys.org, Materials Today, IEEE Spectrum, NASA Tech Briefs, etc.


Flexible Human-Machine Interacting Sensors 

Yanchao Mao*

School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, China

E-mail: ymao@zzu.edu.cn

Abstract

Human-machine interface (HMI) sensor is a technology to transfer and exchange information between human and machine, which has aroused lots of attention recently. We developed a series of flexible HMI sensors. An intelligent wireless respiratory monitoring and alert system was developed based on a flexible HMI sensor to real-time alert apnea remotely by using a cell phone to send a warning massage. A smart wireless breath-driven HMI controlling system was developed on the basis of a flexible sensor. By utilizing the charges naturally carried on the human body, a flexible touch-free HMI screen sensor is developed for recognizing diverse gestures in a noncontact operating mode. An intelligent noncontact screen control system is further developed, which is used to unlock the smartphone interface by the noncontact operating mode. A protein-based bioprotonic hydrogel (PBH) with reliable water retention ability was developed for artificial skins. The bovine serum albumin with natural proton conductivity is utilized in the PBH, and the glycerol that originally presents on human skin surface is used as an artificial sebum membrane to retain water. The PBH can act as a bioprotonic skin (B-skin) for collecting electrophysiological signals acquire high-quality electrophysiological signals, such as electroencephalogram (EEG), electrocardiogram (ECG), and electromyogram (EMG). Compared with present artificial skins, this B-skin is all made out of biological materials that are consistent with material components of human skin tissues including proteins, endogenous glycerol, and water. Such a B-skin may enable the development of next-generation human-machine merging interfaces.

References 

[1] Jun Li, Corey Carlos, Hao Zhou, Jiajie Sui, Yikai Wang, Zulmari Silva-Pedraza, Fan Yang, Yutao Dong, Ziyi Zhang, Timothy A. Hacker, Bo Liu, Yanchao Mao*, Xudong Wang*, Nature Commun., 2023, 14, 6562.

[2] Ziwei Leng, Pengcheng Zhu, Xiangcheng Wang, Yifan Wang, Peishuo Li, Wei Huang, Bingchen Li, Rui Jin, Ningning Han, Jing Wu, Yanchao Mao*, Adv. Funct. Mater., 2023, 33, 2211056.

[3] Xing Li, Pengcheng Zhu, Shichuan Zhang, Xiangcheng Wang, Xuepeng Luo, Ziwei Leng, Hao Zhou, Zhifeng Pan, Yanchao Mao*, ACS Nano, 2022, 16, 5909.

[4] Hao Zhou, Wei Huang, Zhuo Xiao, Shichuan Zhang, Wangzhan Li, Jinhui Hu, Tianxing Feng, Jing Wu, Pengcheng Zhu, Yanchao Mao*, Adv. Funct. Mater., 2022, 32, 2208271.

[5] Yingjie Tang, Hao Zhou, Xiupeng Sun, Ninghua Diao, Jianbo Wang, Baosen Zhang, Cheng Qin, Erjun Liang, Yanchao Mao*, Adv. Funct. Mater., 2020, 30, 1907893.