Assay of Levodopa in Brain by CE

Figures & data

Figure 1 The standard curve of L-DP.

Figure 2 The CE behavior of L-DP.

Table 1. Results of recovery tests

Virtual concentration (µg/ml)	Measured concentration (µg/ml)	Recovery ratio (%)	Mean recovery ratio (%)
20	16.5	82.5
80	71.2	89.0	87.87
320	294.6	92.1

Table 2. Results of repetition tests (n = 5)

Virtual concentration (µg/ml)	Measured concentration (µg/ml)	RSD (%)	Mean RSD (%)
20	18.24	3.25
80	79.96	2.55	2.73
320	319.08	2.40

Table 3. Assay of L-DP in brain tissue (n = 6)

Group	Content (µg/g)
Nasal gel	3.46	4.49	4.17	3.90	4.92	5.34	4.38 ± 0.62
Tab oral	0.59	0.91	0.56	0.72	0.99	0.47	0.71 ± 0.19