Table 1 Descriptive statistics for the comparison between MS1 and MS2 measurements in DIA mode.

From: Q-RAI data-independent acquisition for lipidomic quantitative profiling

 

Positive Mode

Negative Mode

Fixed Windows (20 (+ 1) Da)

Variable Windows

Fixed Windows (20 (+ 1) Da)

Variable Windows

MS1

 Total Number of Features

215

220

112

108

 Number of Features with RSD < 30%

209 (97.21%)

217 (98.64%)

112 (100%)

107 (99.07%)

 Median RSD for Features with RSD < 30%

2.43

2.37

3.04

2.06

 Number of Features with RSD > 30%

6 (2.79%)

3 (1.36%)

0 (0%)

1 (0.93%)

MS2

 Total Number of Fragments

1982

2038

1078

1040

 Number of Fragments with RSD < 30%

1150 (58.02%)

1317 (64.62%)

471 (43.69%)

523 (50.29%)

 Median RSD for Fragments with RSD < 30%

8.44

7.16

10.96

9.45

 Number of MS1 Features with MS2 Fragments of RSD < 30%

210 (95.45%)

217 (98.64%)

109 (97.32%)

107 (99.07%)

 Number of Fragments with RSD > 30%

573 (28.91%)

540 (26.50%)

316 (29.31%)

301 (28.94%)

 Number of Non-Quantifiable Fragments

259 (13.07%)

181 (8.88%)

291 (26.99%)

216 (20.77%)