. Author manuscript; available in PMC: 2014 Nov 15.

Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2013 Sep 8;939:23–31. doi: 10.1016/j.jchromb.2013.09.004

Table 1.

Analyte recovery from plasma.

Analyte	Theoretical concentration (ng/mL)	Recovered concentration (ng/mL)^*	Recovery (%)	CV (%)
Buprenorphine	0.001	0.00096 ± 0.00011	96.4	11.8
	0.1	0.0966 ± 0.0058	96.6	6.0
	10	10.4 ± 0.77	104	7.3
Norbuprenorphine	0.01	0.00815 ± 0.00064	81.5	7.9
	0.3	0.247 ± 0.032	82.4	12.8
	10	10.9 ± 1.7	109	16.0
Buprenorphine Glucuronide	0.001	0.00092 ± 0.00012	92.5	12.4
	0.1	0.098 ± 0.010	98.2	10.5
	10	9.45 ± 0.66	94.5	6.9
Norbuprenorphine Glucuronide	0.01	0.0068 ± 0.0006	68.4	8.7
	0.3	0.252 ± 0.063	84.2	24.9
	10	8.04 ± 2.00	80.4	25.0

Mean ± SD (N = 3).