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. 2020 Aug 7;20(16):4407. doi: 10.3390/s20164407

Figure 13.

Figure 13

E-skins applied to respiration. (a) E-skin developed by Dawen Zeng and co-workers in 2019 [130] (© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany). (b) Photograph of the sensor in (a) attached to the skin under the nostrils [130] (© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany). (c) Output of the e-skin in (a) when monitoring weak and deep breath [130] (© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany). (d) Output of the e-skin developed by Li Wang and co-workers in 2016 to detect respiration changes between rest state (black line) and post-exercise state (purple line) [269] (Copyright © 2020 Elsevier B.V. All rights reserved.). (e) Output of the e-skin (inset) developed by Jing Sun and co-workers in 2017 to detect breathing patterns differences between a healthy subject and a rhinitis patient (reprinted with permission from [270]. Copyright 2017 American Chemical Society, Washington, WA, USA).