The Dependence of the Miscibility, Stability and Compressibility of L-α Dioleoylphosphatidylcholine/Rutin Laurate Monolayer at the Air/Water on Temperature

Anlong Li, Xiaolan Wang, Yu Duan, Liuya Wei
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Abstract

The miscibility, stability and compressibility of L-α dioleoylphosphatidylcholine/rutin laurate mixed monolayer at the air/water were investigated by Langmuir film balance to reveal the characteristic of the molecular interaction. The two components of DOPC/RL mixed monolayer were miscible throughout the mixture composition range and at three experimental temperatures of 10°C, 25°C and 37°C. At all experimental conditions, RL increased the compressibility and elasticity of the DOPC monolayer. Both the temperature and the composition of the membrane affected the form of intermolecular forces in the mixed monolayer.
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L-α二油基磷脂酰胆碱/月桂酸芦丁单分子膜在空气/水中的混溶性、稳定性和可压缩性与温度的关系
采用Langmuir膜平衡法研究了L-α二酰基磷脂酰胆碱/月桂酸芦丁混合单层膜在空气/水中的混相性、稳定性和可压缩性,揭示了分子相互作用的特点。DOPC/RL混合单层两组分在混合物组成范围内和10℃、25℃和37℃三个实验温度下均可混相。在所有实验条件下,RL均提高了DOPC单层的压缩性和弹性。温度和膜的组成都影响了混合单层中分子间力的形式。
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