Phosphatidylcholines and their analogs, the functional building block of the membrane, are recently found to mediate multiple physiological processes and exhibit a broad range of desirable pharmacological effects, whi...Phosphatidylcholines and their analogs, the functional building block of the membrane, are recently found to mediate multiple physiological processes and exhibit a broad range of desirable pharmacological effects, which involve hydrophobic lipophilic interactions (HLI) between the phospholipid and the cell membrane. The HLI behavior of phosphatidylcholines (Ln) and their analogues 1, 2-diacyI-sn-glycerol-3-phosphoric add bro-moethyl ester (Pn), have been investigated in MeOH-H2O binary systems of different volume fractions (designated as Φ) of the organic component, by employing a-nephthylethyl lauryl ether (Np-12) as fluorescent probe. A very interesting observation is that the Ln possesses double character, i.e., it behaves both as an aggregator and as a deaggregator. The effects of the structure and the environment on the coaggregation and deag-gregation are also discussed.展开更多
基金National Natural Science Foundation of China(No.29392201).
文摘Phosphatidylcholines and their analogs, the functional building block of the membrane, are recently found to mediate multiple physiological processes and exhibit a broad range of desirable pharmacological effects, which involve hydrophobic lipophilic interactions (HLI) between the phospholipid and the cell membrane. The HLI behavior of phosphatidylcholines (Ln) and their analogues 1, 2-diacyI-sn-glycerol-3-phosphoric add bro-moethyl ester (Pn), have been investigated in MeOH-H2O binary systems of different volume fractions (designated as Φ) of the organic component, by employing a-nephthylethyl lauryl ether (Np-12) as fluorescent probe. A very interesting observation is that the Ln possesses double character, i.e., it behaves both as an aggregator and as a deaggregator. The effects of the structure and the environment on the coaggregation and deag-gregation are also discussed.