fig5

Figure 5. Pressure sensors prepared using LMs; (A) Photograph of the pressure sensor prepared by a channel filling method, scale bars are 5 mm. Reproduced with permission^[97]. Copyright 2019, John Wiley and Sons; (B) Photograph for testing the performance of a fiber-structured pressure sensor, and the insert is the resistance change R/R₀ under different force loadings. Reproduced with permission^[79]. Copyright 2020, Elsevier B.V; (C) The resistance change of LM pressure sensors prepared by channel filling method for monitoring human neck pulses. Reproduced with permission^[97]. Copyright 2019, John Wiley and Sons; (D) Schematic illustration of the highly sensitive pressure sensor enhanced by a rigid micropump. Reproduced with permission^[103]. Copyright 2019, John Wiley and Sons; (E) Enhanced sensitivity of LM pressure sensors by resembling the quipu-knotted strings used by Andean civilizations for monitoring the gastrointestinal pressure. Reproduced with permission^[109]. Copyright 2022, Springer Nature; (F) Soft and stretchable LM transmission lines as distributed probes of multimodal deformations. Reproduced with permission^[113]. Copyright 2020, Springer Nature. LM: Liquid metal.