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. 2022 Mar 29;14:86. doi: 10.1007/s40820-022-00834-4

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — Health status signal monitoring by the ITM. a The ITM was attached onto the wrist for pulse detection; b the 25-s real-time and continuous monitoring of the pulse signals from the ITM; c one enlarged pulse signal from the pulse periods. d, e ∆ $t_{DVP}$ and ${AI}_{r}$ derived from 29 measured complete pulse periods; f the ITM for whole-body activities monitoring; g illustration of next-generation intelligent mobile diagnosis system