Figure 4.

HPTLC of plasma acidic lipids in B6 mice. The amount of acidic lipids spotted per lane was equivalent to 15 μl of plasma. The plate was developed as described in the Methods. FA, fatty acids; IS, internal standard; CL, cardiolipin; PA, phosphatidic acid; Sulf, sulfatides (doublet); PS, phosphatidylserine; PI, phosphatidylinositol; O, origin; and SF, solvent front of the first developing solvent system.