Research Article

A Turn-On Fluorescent Probe for Sensitive Detection of Cysteine in a Fully Aqueous Environment and in Living Cells

Figure 5

Reversed-phase HPLC chromatograms of (a) probe 1 (10 μM), (b) probe 1 (10 μM) and Cys (5 μM), (c) probe 1 (10 μM) and Cys (100 μM), and (d) compound 2.