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Table 2 Mean and %CV of 3-BrY concentrations for each pooled canine serum sample (n = 10) when measured fresh or stored under different storage conditions (4°C for 7 days, −20°C for 60 days, and −80°C for 180 days)

From: Stability of 3-bromotyrosine in serum and serum 3-bromotyrosine concentrations in dogs with gastrointestinal diseases

Sample Mean 3-BrY ± SD (μmol/L) %CV
Fresh and 4°C Fresh and −20°C Fresh and −80°C
1 3.9 ± 1.3 8.5 14.4 9.1
2 4.7 ± 0.6 7.9 2.0 6.6
3 7.4 ± 1.4 3.0 14.8 4.2
4 7.6 ± 1.4 2.9 24.2 9.9
5 9.7 ± 0.9 4.0 30.3 6.3
6 10.3 ± 1.0 6.6 9.6 3.9
7 13.9 ± 1.5 3.5 13.3 4.3
8 15.5 ± 1.2 2.2 10.9 3.5
9 17.8 ± 0.8 3.6 3.5 4.3
10 19.8 ± 1.6 3.3 5.5 4.9