Transient pore dynamics in pH-responsive liquid membrane.
We have investigated the transient pore dynamics in a chemically destabilized liquid membrane in buffer solutions at macroscopic scale. A hole opened and closed repeatedly in response to pH in the surrounding media when the concentration of surfactant in the liquid membrane was sufficiently high to form emulsion at equilibrium and the membrane was larger than a critical value. The analysis of pore dynamics allowed us to estimate some physicochemical properties such as membrane tension, line tension, and membrane viscosity.
Division of Chemical Engineering, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama Toyonaka, Osaka 560-8531, Japan. ban@cheng.es.osaka-u.ac.jp
Takahiko
T
Ban
Tomoko
T
Yamagami
Yuki
Y
Furumichi
D004655:Emulsions / Q000138:chemical synthesis / Q000737:chemistry; D006863:Hydrogen-Ion Concentration; D008567:Membranes, Artificial; D010755:Organophosphates / Q000737:chemistry*; D013501:Surface-Active Agents / Q000737:chemistry; D013816:Thermodynamics
D004655:Emulsions; D008567:Membranes, Artificial; D010755:Organophosphates; D013501:Surface-Active Agents; C007377:di-2-(ethylhexyl)phosphoric acid