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. 2016 Mar 24;16(4):422. doi: 10.3390/s16040422

Figure 9.

Figure 9

Comparison between the amperometric responses of biosensor towards (1) histamine; (2) cadaverine; (3) tyramine; (4) putrescine; (5) Tyr; (6) Lys; (7) Trp; (8) His.