Langmuir

pH-sensitive self-propelled motion of oil droplets in the presence of cationic surfactants containing hydrolyzable ester linkages

T Banno, R Kuroha, T Toyota

Index: Banno, Taisuke; Kuroha, Rie; Toyota, Taro Langmuir, 2012 , vol. 28, # 2 p. 1190 - 1195

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Citation Number: 23

Abstract

Self-propelled oil droplets in a nonequilibrium system have drawn much attention as both a primitive type of inanimate chemical machinery and a dynamic model of the origin of life. Here, to create the pH-sensitive self-propelled motion of oil droplets, we synthesized cationic surfactants containing hydrolyzable ester linkages. We found that n-heptyloxybenzaldehyde oil droplets were self-propelled in the presence of ester-containing cationic surfactant. In ...

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