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. 2004 Mar 16;32(5):1756–1766. doi: 10.1093/nar/gkh336

Figure 8.

Figure 8

Specificity of the aspartame sensor S3.asp.E4. (A) Fluorescence intensity at 488 nm at time (n) versus time (0) for the sensor activated by a series of aspartame derivatives and analogs in assay buffer, pH 7.5, 25 mM MgCl2. (B) Chemical structures of aspartame and β-aspartame.