Table 1.
Intensity of the peptide (LKEccDKPLLEK, +2, m/z 766.8929) identified from different injection amount of BSA digest after analyzed by CZE-ESI-MS/MS in triplicates.
Injection amount | Run1 | Run2 | Run3 | Average | Standard deviation | RSD (%) |
---|---|---|---|---|---|---|
750 nM (3500 amol) | 6.36 × 105 | 6.20 × 105 | 5.30 × 105 | 5.95 × 105 | 5.7 × 104 | 10 |
370 nM (1700 amol) | 2.35 × 105 | 2.46 × 105 | 2.41 × 105 | 2.41 × 105 | 5.5 × 103 | 2 |
150 nM (700 amol) | 9.75 × 104 | 1.10 × 104 | 8.02 × 104 | 9.59 × 104 | 1.5 × 104 | 15 |
75 nM (350 amol) | 3.85 × 104 | 2.92E+04 | 4.37 × 104 | 3.71E+04 | 7.3 × 103 | 20 |
25 nM (120 amol) | 1.40 × 104 | 1.57 × 103 | 1.28 × 104 | 1.42E+04 | 1.5 × 103 | 10 |
12 nM (60 amol) | 6.28 × 103 | 6.49 × 103 | 7.25 × 103 | 6.67 × 103 | 5.1 × 102 | 8 |