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. 2019 Oct 10;19(20):4376. doi: 10.3390/s19204376

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(A) Fabrication of the silver nanowires (AgNW)-based sensor, with AgNW network before being embedded into PDMS (left SEM picture) and after embedding (right SEM picture). (B) Picture of an AgNW patch placed on the inner side of a forearm. (C) Impedance changes from real human skin before and after applying a hydration lotion. (D) Skin impedance extracted from (C), at 100 kHz before and after applying the lotion. Reproduced from [70] with permission. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

(A) Fabrication of the silver nanowires (AgNW)-based sensor, with AgNW network before being embedded into PDMS (left SEM picture) and after embedding (right SEM picture). (B) Picture of an AgNW patch placed on the inner side of a forearm. (C) Impedance changes from real human skin before and after applying a hydration lotion. (D) Skin impedance extracted from (C), at 100 kHz before and after applying the lotion. Reproduced from [70] with permission. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.