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. 2017 Dec 7;7(2):118–130. doi: 10.1002/open.201700159

Figure 20.

Figure 20

Images and schematic illustration of the FISA for multiplexed perspiration analysis. a) Photograph of a wearable FISA on a subject's wrist, integrating the multiplexed sweat sensor array and the wireless FPCB. b) Photograph of a flattened FISA. The red dashed box indicates the location of the sensor array, and the white dashed boxes indicate the locations of the integrated circuit components. c) Schematic of the sensor array for multiplexed perspiration analysis. GOx: glucose oxidase, LOx: lactate oxidase. d) System‐level block diagram of the FISA showing the signal transduction (orange) [with potential (V), current (I), and resistance (R) outputs], conditioning (green), processing (purple), and wireless transmission (blue) paths from sensors to the custom‐developed mobile application (numbers in parentheses indicate the corresponding labeled components in panel b). ADC, analogue‐to‐digital converter. The inset images show the home page (left) and real‐time data display page (right) of the mobile application. Reproduced from Ref. 67 with permission of Nature Publication Group.