(A-C) Shape-sensitive designs. (D) Microtubular channel with integrated electrodes. (E-G) Designs for mechanical characterization. See Section 2.4 and Table 1B for details. Images were adapted with permission from (A) ref. 107, copyright The Royal Society of Chemistry 2014, (B) ref. 88, copyright 2019 American Chemical Society, (C) ref. 109, copyright 2010 IEEE, (D) ref. 111, 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, (E) ref. 116, copyright 2017 American Chemical Society, (F) ref. 117, copyright 2019 Author(s), (G) ref. 115, copyright 2019 Elsevier B.V.