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Beni-Suef University Journal of Basic and Applied Sciences

Table 1 Operating conditions of LC-MS/MS to monitor 21 deoxycortisol, 11 deoxycortisol, 17OHP

From: Mass spectrometry: an essential tool to be used in discrimination between causes of congenital adrenal hyperplasia, and its benefits versus radioimmunoassay

Analyte

Q1 (m/z)

Q3 (m/z)

DP (v)

EP (v)

CE (v)

CXP (v)

21 deoxycortisol

347.4

121.1

41

10

45

12

11 deoxycortisol

347.4

109

46

10

38

10

17OHP

331.5

97

130

10

37

7

Gestodene

311.4

109

100

10

35

7

  1. Q1 precursor ion, Q3 product ion, DP declustering potential, EP entrance potential, CE collision energy, CXP cell exit potential
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