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. 2017 Dec 5;7(1):267–275. doi: 10.1021/acssynbio.7b00292

Figure 5.

Figure 5

(a) Extract from biosensor culture in 25% NHS. Chelex-treated serum exhibits violacein-dominated low zinc output. NHS is characteristic of output in a healthy individual. (b) Cell pellets from 1 mL of 24 h culture of biosensor in 25% serum. Zinc supplementation levels were selected to mimic NHS. Here, NHS (left) shows characteristic pigment output of sensor in the presence of healthy zinc levels from commercial pooled serum. Chelex 100-treated serum (right) shows pigment output characteristic of low zinc to intermediate zinc states.