From: Analytical validation of bovine plasma ceruloplasmin measurement by p-phenylenediamine oxidation and effect of storage time and freezing temperature
Storage temperature
Weeks of storage
0
1
2
4
8
12
Ceruloplasmin (mg/L)
(n = 10)
Freezing (− 20 °C)
241 ± 59a
239 ± 61a
238 ± 57a
245 ± 59a