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. Author manuscript; available in PMC: 2018 Nov 15.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Oct 5;1068-1069:90–97. doi: 10.1016/j.jchromb.2017.10.008

Table 4.

Stability evaluation of samples stored at −20°C for one week (n=3)

Nucleotide Content (pmol)
250 625 2500
dATP
Mean ± SD 190.8 ± 23.6 466.5 ± 65.2 2154.4 ± 252.8
CV (%) 12.4% 14.0% 12.0%
Accuracy (%) 76% 74.6% 86.2%
dGTP
Mean ± SD 199.5 ± 28.0 440.5 ± 31.4 2045.4 ± 288.8
CV (%) 14.0% 7.0% 14.0%
Accuracy (%) 79% 70.5% 81.8%
dCTP
Mean ± SD 199.6 ± 28.2 448.0 ± 103.6 2168.0 ± 198.1
CV (%) 14.1% 23.0% 9.0%
Accuracy (%) 80% 71.7% 86.7%
dTTP
Mean ± SD 219.7 ± 17.6 457.6 ± 39.7 2156.9 ± 307.3
CV (%) 8.0% 9.0% 14.0%
Accuracy (%) 88% 73.2% 86.3%