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Table 2 Results of the validation study of QCs (tacrolimus and cyclosporin A) in CLAM-LC-MS/MS

From: Validation of an automated sample preparation module directly connected to LC-MS/MS (CLAM-LC-MS/MS system) and comparison with conventional immunoassays for quantitation of tacrolimus and cyclosporin A in a clinical setting

Compounds

Calibration curve

Dynamic range

(ng/mL)

r2

LLOQ

(ng/mL)

Intra-assay precision (%)

(%RSD) (n = 10)

Inter-assay precision (%)

(%RSD) (10 days)

C1

C2

C3

C4

C1

C2

C3

C4

Tacrolimus

2.0-35.6

0.999

2.0

97.3

(6.5)

100.4

(3.5)

100.4

(2.6)

105.5

(3.6)

94.8

(3.1)

99.8

(4.7)

101.7

(4.4)

105.9

(5.1)

Cyclosporin A

24.3-1838.6

0.999

24.3

95.3

(2.5)

97.7

(1.6)

97.7

(1.9)

104.3

(1.6)

98.8

(4.0)

99.0

(3.7)

96.6

(3.6)

98.7

(4.5)

  1. LLOQ: low limit of quantification, RSD: relative standard deviation