Table 2 . The storage condition and application of human serum and plasma in biobanks .

Biospecimen	Storage condition	Approval usage	Ref.
Plasma	DNA, protein, metabolite and miRNA are stable at −80 °C for years	Metabolites Cell free tumor-associated DNA/RNA miRNA assay	40,48
Serum	DNA and protein are stable at −80 °C for years Freeze/thaw degrade proteins and nucleic acids	Proteomics approach	41,48