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Your search keyword '"Jing, Qingshen"' showing total 11 results
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11 results on '"Jing, Qingshen"'

2. A portable triboelectric spirometer for wireless pulmonary function monitoring

Author

Xu, Qinghao, Fang, Yunsheng, Jing, Qingshen, Hu, Ning, Lin, Ke, Pan, Yifan, Xu, Lin, Gao, Haiqi, Yuan, Ming, Chu, Liang, Ma, Yanwen, Xie, Yannan, Chen, Jun, and Wang, Lianhui

Subjects
Engineering, Nanotechnology, Biomedical Engineering, Rare Diseases, Bioengineering, Clinical Research, Lung, Rehabilitation, Respiratory, Good Health and Well Being, Biosensing Techniques, COVID-19, Humans, SARS-CoV-2, Spirometry, Vital Capacity, Self-powered sensors, Triboelectric nanogenerators, Spirometers, Pulmonary function tests, Analytical Chemistry, Bioinformatics, Analytical chemistry, Biomedical engineering
Abstract

Coronavirus disease 2019 (COVID-19) as a severe acute respiratory syndrome infection has spread rapidly across the world since its emergence in 2019 and drastically altered our way of life. Patients who have recovered from COVID-19 may still face persisting respiratory damage from the virus, necessitating long-term supervision after discharge to closely assess pulmonary function during rehabilitation. Therefore, developing portable spirometers for pulmonary function tests is of great significance for convenient home-based monitoring during recovery. Here, we propose a wireless, portable pulmonary function monitor for rehabilitation care after COVID-19. It is composed of a breath-to-electrical (BTE) sensor, a signal processing circuit, and a Bluetooth communication unit. The BTE sensor, with a compact size and light weight of 2.5 cm3 and 1.8 g respectively, is capable of converting respiratory biomechanical motions into considerable electrical signals. The output signal stability is greater than 93% under 35%-81% humidity, which allows for ideal expiration airflow sensing. Through a wireless communication circuit system, the signals can be received by a mobile terminal and processed into important physiological parameters, such as forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC). The FEV1/FVC ratio is then calculated to further evaluate pulmonary function of testers. Through these measurement methods, the acquired pulmonary function parameters are shown to exhibit high accuracy (>97%) in comparison to a commercial spirometer. The practical design of the self-powered flow spirometer presents a low-cost and convenient method for pulmonary function monitoring during rehabilitation from COVID-19.

Published
2021

8. Face Mask Integrated with Flexible and Wearable Manganite Oxide Respiration Sensor

Author

Ye, Lianxu, primary, Wu, Fan, additional, Xu, Ruixing, additional, Zhang, Di, additional, Lu, Juanjuan, additional, Wang, Chuanlong, additional, Dong, Anjiang, additional, Xu, Sichen, additional, Xue, Lejun, additional, Fan, Zixin, additional, Xu, Longjie, additional, Li, Kaifeng, additional, Li, Dong, additional, Kursumovic, Ahmed, additional, Zhao, Run, additional, Tang, Rujun, additional, Qiu, Lei, additional, Wang, Haiyan, additional, MacManus-Driscoll, Judith L., additional, Jing, Qingshen, additional, Li, Weiwei, additional, and Yang, Hao, additional

Published
2023
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9. Roadmap on nanogenerators and piezotronics

Author

Basset, Philippe, primary, Beeby, Stephen Paul, additional, Bowen, Chris, additional, Chew, Zheng Jun, additional, Delbani, Ahmad, additional, Dharmasena, R. D. Ishara G., additional, Dudem, Bhaskar, additional, Fan, Feng Ru, additional, Galayko, Dimitri, additional, Guo, Hengyu, additional, Hao, Jianhua, additional, Hou, Yuchen, additional, Hu, Chenguo, additional, Jing, Qingshen, additional, Jung, Young Hoon, additional, Karan, Sumanta Kumar, additional, Kar-Narayan, Sohini, additional, Kim, Miso, additional, Kim, Sang-Woo, additional, Kuang, Yang, additional, Lee, Keon Jae, additional, Li, Jialu, additional, Li, Zhaoling, additional, Long, Yin, additional, Priya, Shashank, additional, Pu, Xianjie, additional, Ruan, Tingwen, additional, Silva, S. Ravi P., additional, Wang, Hee Seung, additional, Wang, Kai, additional, Wang, Xudong, additional, Wang, Zhong Lin, additional, Wu, Wenzhuo, additional, Xu, Wei, additional, Zhang, Hemin, additional, Zhang, Yan, additional, and Zhu, Meiling, additional

Published
2022
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11. Triboelectric Nanogenerator Built on Suspended 3D Spiral Structure as Vibration and Positioning Sensor and Wave Energy Harvester

Author

Hu, Youfan, Yang, Jin, Jing, Qingshen, Niu, Simiao, Wu, Wenzhuo, and Wang, Zhong Lin

Abstract

An unstable mechanical structure that can self-balance when perturbed is a superior choice for vibration energy harvesting and vibration detection. In this work, a suspended 3D spiral structure is integrated with a triboelectric nanogenerator (TENG) for energy harvesting and sensor applications. The newly designed vertical contact–separation mode TENG has a wide working bandwidth of 30 Hz in low-frequency range with a maximum output power density of 2.76 W/m2on a load of 6 MΩ. The position of an in-plane vibration source was identified by placing TENGs at multiple positions as multichannel, self-powered active sensors, and the location of the vibration source was determined with an error less than 6%. The magnitude of the vibration is also measured by the output voltage and current signal of the TENG. By integrating the TENG inside a buoy ball, wave energy harvesting at water surface has been demonstrated and used for lighting illumination light, which shows great potential applications in marine science and environmental/infrastructure monitoring.

Published
2024
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