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. 2020 Jan 23;20(3):646. doi: 10.3390/s20030646

Figure 6.

Figure 6

(A) Signal amplification strategies adopted in optical biosensors for IL-6 detection. (B) Signal to concentration plot for different optical biosensors (calculated/obtained from [137,139,140,141,142,143]). (C) Sensitivity of optical biosensors (calculated/obtained from [137,139,140,141,142,143].)