Patient/subject: No special precaution. Matrix: Serum or plasma. Volume: Minimum volume is 50 µL, but 200 µL is optimal and allows reanalysis. Preparation and stability: No special precaution. MMA is stable.
Transportation
Frozen, on dry ice. (for general instruction on transportation, click here.)
1. Midttun, Ø., McCann, A., Aarseth, O., Krokeide, M., Kvalheim, G., Meyer, K., and Ueland, P.M. (2016). Combined measurement of 6 fat-soluble vitamins and 26 water-soluble functional vitamin markers and amino acids in 50 μL of serum or plasma by high-throughput mass spectrometry. Anal Chem 88, 10427-436.
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