“…Various methods have been developed for the determination of L-dopa, including high performance liquid chromatography [2], gas chromatography [3], electrochemistry [4], UV-Vis spectrophotometry [5], and flow-injection chemiluminescence (FI-CL) [6,7], etc. Compared with other methods, FI-CL offers the amazing advantages of ultra sensitivity, instrumental simplicity, and sampling efficiency in the different science fields.…”