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. Author manuscript; available in PMC: 2020 Sep 15.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2019 Aug 6;1126-1127:121748. doi: 10.1016/j.jchromb.2019.121748

Table 4.

Method of standard addition

Compound (n=3) Direct
analysis conc.
(ng/g)		 Standard
addition
conc. (ng/g)		 % Bias
PE2 ND ND N/A
PGE2-G ND ND N/A
PGE2 1.8 1.7 −6
PGD2 ND ND N/A
20-HETE-EA &8,9-HETE-EA ND ND N/A
15-HETE-EA ND ND N/A
5,6-EET-EA ND ND N/A
8,9-EET-EA ND ND N/A
11,12-EET-EA ND ND N/A
14,15-EET-EA ND ND N/A
5,6-DiHETE-EA ND ND N/A
11,12-DiHETE-EA ND ND N/A
14,15-DiHETE-EA ND ND N/A
AA 1318 1217 −8
AEA 1.0 0.9 −10
2-AG 69 60 −13
PEA 1.0 1.0 0
OEA 0.83 0.64 −23

ND = None Detected, N/A, not applicable