1. Biochemical Methods for Quantifying Sphingolipids: Ceramide, Sphingosine, Sphingosine Kinase-1 Activity, and Sphingosine-1-Phosphate Brizuela Leyre and Cuvillier Olivier 2. Isoform-Selective Assays for Sphingosine Kinase Activity Melissa R. Pitman, Duyen H. Pham, and Stuart M. Pitson 3. Quantification of Sphingosine-1-Phosphate and Related Sphingolipids by Liquid Chromatography...