<unk>  is a carbohydrate-free (desialated) isoform of<unk> , which is almost only found in the cerebrospinal fluid. It is not found in blood, mucus or tears, thus making it a specific marker of cerebrospinal fluid, applied as an assay in cases where cerebrospinal fluid leakage is suspected.
Beta-2 transferrin
Hemoglobin
Beta globulins
Gamma globulin
Methaemoglobin
Fetal hemoglobin
Globulin
PolyHeme