Compound QC Concentration (nM) PPE Extraction Matrix Effect
Recovery (%) S.D. (%) Remaining Signal (%) S.D. (%)
LV 2 73 2.1 155 8.1
  10 74 2.6 149 1.9
  50 67 4.0 134 1.4
LVA 2 75 9.5 102 9.5
  10 70 5.1 101 5.3
  50 71 8.5 95 4.7
S.D., standard deviation
Table 4: Extraction recovery and matrix effect for LV and LVA.