Biological Sample

Liver

Lung

Heart

Brain

Mean ± SDa

Accuracyb

Mean ± SDa

Accuracyb

Mean ± SDa

Accuracyb

Mean ± SDa

Accuracyb

 

(µg/ml)

(%)

(µg/ml)

(%)

(µg/ml)

(%)

(µg/ml)

(%)

Low QC

 

 

 

 

 

 

 

 

Third freeze thaw

0.699 ± 0.005

99.89

0.501 ± 0.008

100.11

0.502 ± 0.010

100.47

0.302 ± 0.007

100.75

10 h (bench top)

0.704 ± 0.004

100.55

0.504  ± 0.008

100.78

0.506  ± 0.003

101.15

0.303 ± 0.007

100.93

24h (in injector)

0.702 ± 0.004

100.25

0.519  ± 0.008

103.87

0.498  ± 0.005

99.59

0.292 ± 0.009

97.43

20 days at -80ºC

0.695 ± 0.005

99.26

0.500  ± 0.006

100.05

5.05 ± 0.065

101.00

0.295 ± 0.005

98.19

High QC

 

 

 

 

 

 

 

 

Third freeze thaw

5.009 ± 0.047

100.17

3.089  ± 0.002

102.96

5.089 ± 0.108

101.77

1.559 ± 0.019

103.92

10h (bench top)

5.084 ± 0.058

101.68

3.039  ± 0.042

101.31

5.085 ± 0.072

101.70

1.523 ± 0.029

101.51

24h (in injector)

5.094 ± 0.056

101.87

3.158  ± 0.160

105.27

4.922 ± 0.139

98.43

1.491 ± 0.005

99.37

20 days at -80ºC

5.066 ± 0.062

101.31

3.083 ± 0.021

102.76

5.050 ± 0.065

101.00

1.527 ± 0.042

101.80

QC, quality Control
aBack–Calculated plasma concentrations
b(Mean assayed concentration/ mean assayed concentration at 0 h i.e., fresh samples) x 100
Table 3: Stability data of BITS 17 quality controls in Liver, lungs, heart and brain.
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