1 2-Dioleoyl-sn-glycero-3-phospho-L-serine sodium (CAS No 90693-88-2) is a phospholipid used extensively in biomedical research primarily in the category of lipid studies and membrane biology Originating from the family of phosphatidylserines it plays a crucial role in cellular signaling pathways by serving as a substrate for enzymes like protein kinase C which is involved in intracellular signaling In vitro this compound typically exhibits activity in the nanomolar to low micromolar range It is frequently employed in studies involving lipid bilayers vesicle formation and membrane protein interactions Common applications include use in cell models to study membrane dynamics and in animal studies for targeting specific cellular processes Additionally it aids in drug screening by providing insights into membrane interactions and bioavailability Experimental concentrations typically depend on the specific research design