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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Biomed Chromatogr. 2013 Jul 25;27(12):1794–1800. doi: 10.1002/bmc.2999

Table 5.

Stability

Freeze/Thaw
Designer Drug Control Mean Conc. (pg/mL) CV (%) Accuracy/Bias
2CC-NBOMe LQC (75 pg/mL) 84 5 112
MQC (750 pg/mL) 803 3 107
HQC (1500 pg/mL) 1684 3 112
25I-NBOMe LQC (75 pg/mL) 77 13 103
MQC (750 pg/mL) 842 1 112
HQC (1500 pg/mL) 1690 2 113
BenchTop
Designer Drug Control Mean Conc. (pg/mL) CV (%) Accuracy/Bias
2CC-NBOMe LQC (75 pg/mL) 64 1 86
MQC (750 pg/mL) 859 5 114
HQC (1500 pg/mL) 1673 4 112
25I-NBOMe LQC (75 pg/mL) 66 4 88
MQC (750 pg/mL) 809 3 108
HQC (1500 pg/mL) 1706 1 114
1 Month
Designer Drug Control Mean Conc. (pg/mL) CV (%) Accuracy/Bias
2CC-NBOMe LQC (75 pg/mL) 84 5 112
MQC (750 pg/mL) 803 3 107
HQC (1500 pg/mL) 1684 9 112
25I-NBOMe LQC (75 pg/mL) 34 5 113
MQC (750 pg/mL) 802 2 107
HQC (1500 pg/mL) 1626 4 108
Post Prep at 48 hours
Designer Drug Control Mean Conc. (pg/mL) CV (%) Accuracy/Bias
2CC-NBOMe LQC (75 pg/mL) 74 16 99
MQC (750 pg/mL) 768 19 102
HQC (1500 pg/mL) 1397 19 93
25I-NBOMe LQC (75 pg/mL) 73 18 97
MQC (750 pg/mL) 769 16 103
HQC (1500 pg/mL) 1333 14 89