Recombinant Human Serum Albumin (OsrHSA) functions as an effective stabilizer and protectant in chemiluminescence immunoassays (CLIA). 

Applicable Test Items:

• Vitamins: Folic Acid/Vitamin B9, Vitamin B12, Vitamin D;
• Hormones: Progesterone;
• Growth Factors;
• Autoantigen and antibody;

Recombinant Human Serum Albumin (OsrHSA)  is used as a matrix component for quality controls in mass spectrometry (MS).

Applicable Test Items:

• Small molecules (e.g., hormones)
• Neurological biomarkers (e.g., Amyloid-beta (Aβ) and p‑tau)

Recombinant Human Serum Albumin (OsrHSA) serves as a competing antigen in chromatographic assays.

Applicable Test Items:

• Urimary Macroalbumin