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説明:

Strain and temperature are important physiological parameters for health monitoring, providing access to the respiration state, movement of joints, and inflammation processes. The challenge for smart wearables is to unambiguously discriminate strain and temperature using a single sensor element assuring a high degree of sensor integration. Here, a dual-mode sensor with two electrodes and tubular mechanically heterogeneous structure enabling simultaneous sensing of strain and temperature without cross-talk is reported. The sensor structure consists of a thermocouple coiled around an elastic strain-to-magnetic induction conversion unit, revealing a giant magnetoelastic effect, and accommodating a magnetic amorphous wire. The thermocouple provides access to temperature and its coil structure allows to measure impedance changes caused by the applied strain. The dual-mode sensor also exhibits interference-free temperature sensing performance with high coefficient of 54.49 µV °C−1, low strain and temperature detection limits of 0.05% and 0.1 °C, respectively. The use of these sensors in smart textiles to monitor continuously breathing, body movement, body temperature, and ambient temperature is demonstrated. The developed multifunctional wearable sensor is needed for applications in early disease prevention, health monitoring, and interactive electronics as well as for smart prosthetics and intelligent soft robotics.

権利情報:

• In Copyright
  This is the peer reviewed version of the following article: Dual Mode Strain–Temperature Sensor with High Stimuli Discriminability and Resolution for Smart Wearables, which has been published in final form at https://doi.org/10.1002/adfm.202214907. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.

キーワード: Wearable sensors, temperature, strain

刊行年月日: 2023-02-09

出版者: Wiley

掲載誌:

• Advanced Functional Materials (ISSN: 16163028) vol. 33 issue. 16 2214907

研究助成金:

• National Natural Science Foundation of China 51931011
• National Natural Science Foundation of China 51971233
• National Natural Science Foundation of China 52127803
• National Natural Science Foundation of China 62174165
• National Natural Science Foundation of China 52105286
• National Natural Science Foundation of China 92064011
• National Natural Science Foundation of China 62174164
• National Natural Science Foundation of China 52201236
• National Natural Science Foundation of China 62204246
• National Natural Science Foundation of China M‐0152
• National Natural Science Foundation of China U20A6001
• National Natural Science Foundation of China U1909215
• National Natural Science Foundation of China U22A20248
• K. C. Wong Education Foundation GJTD‐2020‐11
• Deutsche Forschungsgemeinschaft MA 5144/13‐1
• Deutsche Forschungsgemeinschaft MA 5144/28‐1

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5030

公開URL: https://doi.org/10.1002/adfm.202214907

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更新時刻: 2024-11-26 16:36:56 +0900

MDRでの公開時刻: 2024-11-26 16:36:57 +0900