Surface viscoelasticity of phospholipid monolayers at the air/water interface
作者： J Krägel , JB Li , R Miller , M Bree , G Kretzschmar
DOI: 10.1007/BF00655690
关键词: Composite material 、 Dilation (morphology) 、 Monolayer 、 Surface (mathematics) 、 Chemistry 、 Viscoelasticity 、 Compression (physics) 、 Rheometer 、 Mineralogy 、 Torsion pendulum clock 、 Surface pressure
摘要: The surface viscoelastic properties of monolayers two phospholipids DPPC (L-α-dipalmitoylphosphatidylcholine) and DMPE (L-α-dimyristoylphosphatidyl-ethanolamin), at the air-water interface have been investigated. Two techniques were used for investigation. One involved use an interfacial shear rheometer (torsion pendulum apparatus ISR1), to provide measurements viscosity ηs as a function pressure, second, modified LB trough with oscillating barrier generate periodie dilation compression so measure dilational elastic modulusE area.
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