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Schematic view of the solid-liquid interface cell. Before and after depositing a bilayer on top of the polymer cushion, the quartz substrate was clamped against a Macor (Ceramic Products) disk with a 0.2–0.3-mm-thick, subphase-filled gap created by an O-ring. The neutron beam penetrated the lateral face of the quartz substrate and was scattered from the solid-liquid interface. The molecular structure of DPPC and DPPE are shown to the right of the solid-liquid cell.
