. Author manuscript; available in PMC: 2018 Oct 15.

Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2018 Aug 29;1097-1098:35–43. doi: 10.1016/j.jchromb.2018.08.027

Table 4:

Extraction recovery and matrix effect on the quantification of CLBQ14 using this LC-MS/MS method. [n = 3; mean (± SD)]

Biological Matrix	QC	Nominal Concentration (ng/mL)	Extraction Recovery	^*Matrix Effect
Plasma	LQC	2.5	96.8 ± 7.88	3.9 ± 2.23
	MQC	400	99.0 ± 1.54	7.5 ± 2.29
	HQC	800	96.3 ± 3.85	3.6 ± 1.88

Urine	LQC	2.5	97.0 ± 5.39	6.4 ± 3.79
	MQC	400	96.6 ± 2.48	8.2 ± 2.76
	HQC	800	96.6 ± 1.59	2.5 ± 1.28

Matrix effect is considered significant if matrix factor is > °15%