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Table 4 CCS values obtained from the ion mobility measurements of the lipid standards and the unknown LysoPC. Results shown are averages from three sample analysis

From: Serum metabolic profiling identified a distinct metabolic signature in patients with idiopathic pulmonary fibrosis – a potential biomarker role for LysoPC

Component [M + H]+

Formula

Average RT (min)

Average CCS (Å2)

RSD CCS (%)

Literature CCS (Å2)

CCS error (%)

Unknown LysoPC

C24H50NO8P

9.55

227.5

0.0

  

PC(16:0/0:0)

C24H50NO7P

11.01

237.9

0.2

236 [16]

0.8

PC(18:2/0:0)

C26H50NO7P

10.83

234.7

0.1

  

PC(18:0/0:0)

C26H54NO7P

11.46

245.2

0.1

246 [16]

1.1

PC(12:0/12:0)

C32H64NO8P

11.96

269.4

0.1

272.4 [19]

−1.1

PC(14:0/14:0)

C36H72NO8P

12.52

281.9

0.2

282.9 [19]

−0.4

PC(18:1/18:1)

C44H84NO8P

13.38

300.6

0.2

  
  1. CCS Collision cross section
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Respiratory Research

ISSN: 1465-993X

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