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. 2022 Jul 28;22(15):5670. doi: 10.3390/s22155670

Figure 2.

Figure 2

Smartphone-based portable glucose monitoring. (A) A smartphone-based glucose detection system with a modified glucose electrode, a portable electrochemical circuit board and a smartphone. Reprinted with permission from Ref. [77] Copyright (2017) Elsevier. (B) Schematic diagram showing the modification of the glucose electrode. Reprinted with permission from Ref. [77] Copyright (2017) Elsevier. (C) Schematic diagram of the smartphone-based glucose monitoring system. Reprinted with permission from Ref. [77] Copyright (2017) Elsevier. (D) Cyclic voltammetry response of the system for glucose of different concentrations. Reprinted with permission from Ref. [77] Copyright (2017) Elsevier. (E) Comparison between the calibration curves of the smartphone-based system (black circular) and the commercial electrochemical workstation-based system (red triangle). Reprinted with permission from Ref. [77] Copyright (2017) Elsevier. (F) Schematic of a smartphone-assisted electrochemical aptasensor for simultaneous detection of glucose and insulin on a portable biochip. Reprinted with permission from Ref. [82] Copyright (2022) Elsevier.