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. 2010 Jun 25;8:14. doi: 10.1186/1477-3155-8-14

Figure 1.

Figure 1

Schematic representation of functionalized liposome system. The FhuA Δ1-160 channel protein embedded in the liposomal lipid membrane (left panel) employed as reduction triggered gateway for the in/out diffusion of TMB and hydrogen peroxide (right panel) used in the HRP/TMB colorimetric assay.