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. 2021 May 31;14(11):2973. doi: 10.3390/ma14112973

Figure 10.

Figure 10

Bioelectronics applications (a) Image of screen-printed conductive traces. (reprinted with permission from Ind. Eng. Chem. Res. (2019), 58, 43, 19909–19916, Copyright 2020, ACS). (b) Illustration of roll-to-roll slot-die coated electrochemical sensors. (reprinted with permission from Biosens. Bioelectron. (2020), 165, 112428. Copyright 2020 Elsevier). (c) Schematic of a graphene-based enzymatic biosensor. (reprinted with permission from Biosens. Bioelectron. (2017), 87, 7–17. Copyright 2017 Elsevier). (d) Screen-printed ECG electrodes with (i) Ag and (ii) MWCNT layers. (iii) Example ECG signals are shown compared to commercial Ag/AgCl gel electrodes. (reprinted with permission under Creative Commons license CC BY-NC-ND 4.0 from Sens Biosensing Res (2018), 20, 9–15.) (e) Overview and operation of a screen-printed reflectance oximeter array (ROA). (Top left) placement of the ROA after skin graft surgery. (Top right) illustration of ROA pixel array. (Bottom left) Image of the printed ROA. (Bottom right) Molar extinction coefficients for oxygenated and deoxygenated hemoglobin as a function of wavelength. (reprinted with permission from PNAS, (2018) 115 (47) E11015–E11024, Copyright 2018, PNAS).