Fig. 3From: Determination of endogenous sphingolipid content in stroke rats and HT22 cells subjected to oxygen-glucose deprivation by LC‒MS/MSChromatograms of sphingolipids and internal standard. A Methanol B 4% BSA C Standard solution (dissolved in methanol) D Brain tissue sample (without internal standard) E Serum tissue sample (without internal standard) F Cell sample (without internal standard) G Brain tissue sample (with internal standard) H. Serum sample (with internal standard) L. Cell sample (with internal standard). 1. Sphingosine-1-phosphate; 2. Phytosphingosine; 3. Sphinganine (d18:0); 4. Sphingosine (d17:1); 5. Sphinganine (d16:0)Back to article page