Research Article

Development and Validation of a Hydrophilic Interaction Liquid Chromatography Tandem Mass Spectrometry Method for the Determination of Asparagine in Human Serum

Figure 2

Typical chromatograms for the ASN-free human serum (a), ASN-free human serum spiked with 100 μM of IS (b), ASN-free human serum spiked with 2 μM of ASN (LLOQ) and 100 μM of IS (c), and real human serum from ALL patients (d).
(a)
(b)
(c)
(d)