Divalent Cation-Induced Phase Transition of Phosphatidylserine Monolayer at the Polarized Oil–Water Interface and Its Influence on the Ion-Transfer Processes
Divalent Cation-Induced Phase Transition of Phosphatidylserine Monolayer at the Polarized Oil–Water Interface and Its Influence on the Ion-Transfer Processes
复制标题
极化油水界面处二价阳离子诱导的磷脂酰丝氨酸单层相变及其对离子转移过程的影响
DOI:
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发表时间:
1990
期刊:
影响因子:
--
通讯作者:
M. Senda
中科院分区:
文献类型:
--
作者:
T. Kakiuchi;T. Kondo;M. Senda
The phase properties of dipalmitoylphosphatidylserine(DPPS) monolayer at a polarized nitrobenzene–water interface have been studied by measuring the double-layer capacitance of the interface, Cdl, under precise control of the potential drop across the interface. When a saturated DPPS monolayer was in contact with an aqueous 0.1 mol dm−3 LiCl solution, the Cdl took a value of 9.5 μF cm−2. The presence of Ca2+ or Mg2+ at greater than 2 mmol dm−3 in the aqueous phase induced a decrease in Cdl down to 1.5 μF cm−2, corresponding to the phase transition of the monolayer from a liquid-expanded to a condensed phase. The condensed DPPS monolayer was stable against a change in the applied potential across the interface between ΔOWφ=−0.14 and 0.10 V, where ΔOWφ is the potential of the aqueous phase with respect to that in the nitrobenzene phase. Cyclic voltammetric measurements of ion transfer showed that the DPPS monolayer in the liquid-expanded state decreased the rate of ClO4− transfer from the aqueous to the nit...
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DOI:
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发表时间:
1981
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Hauser,H;Shipley,GG
通讯作者:
Shipley,GG
影响因子:
2.9
作者:
HAUSER, H;SHIPLEY, GG
通讯作者:
SHIPLEY, GG
DOI:
10.1016/0005-2736(85)90251-2
发表时间:
1985
期刊:
Biochimica et biophysica acta
影响因子:
--
作者:
Hauser,H;Shipley,GG
通讯作者:
Shipley,GG
影响因子:
2.9
作者:
Holwerda,DL;Ellis,PD;Wuthier,RE
通讯作者:
Wuthier,RE
影响因子:
2.9
作者:
McLaughlin,AC
通讯作者:
McLaughlin,AC