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Role of trans double bond position in the sphingoid base in regulating surface behavior of ceramide analogs. (A) Surface pressure-molecular area isotherms and (B) surface potential-molecular area isotherms for Δ15t(2N)16:0 (▪), Δ7t(2N)16:0 (•), Δ5t(2N)16:0 (▴), and Δ4t(2N)16:0 (▾).
