Fig. 2From: A simple and rapid extraction of lipids in plasma using spin column with superabsorbent polymer beads for mass spectrometryBase peak ion chromatograms (BPIs) of the lipids extracted from 50 μl of plasma by a Matyash, b SAP, and c mSAP methods using UPLC-MS in the positive-ion (left) and negative-ion (right) modesBack to article page