Preanalytical stability of zinc in whole blood serum and plasma tubes as measured by ICP-OES and colourimetryKristian Voss Bjerre, Helle Glud Binderup, Mads Nybo, Louise Helskov Jørgensen1Department of Clinical Biochemistry, Odense University Hospital, Odense, Denmark2Department of Clinical Biochemistry, 11286Odense University Hospital, Svendborg, Denmarkon September 16, 2025 at 6:36 am
Annals of Clinical Biochemistry, Ahead of Print. BackgroundZinc deficiency is a global concern, particularly in low-income countries, but also among vulnerable groups in Western countries, such as children. Diagnosing mild or moderate zinc deficiency is however challenging because of nonspecific …