Reversibly permeable nanomembranes of polymeric microcapsules

被引：112
|
作者：
Skirtach, Andre G. [1 ]
Karageorgiev, Peter [1 ]
Bedard, Matthieu F. [1 ]
Sukhorukov, Gleb B. [2 ]
Moehwald, Helmuth [1 ]
机构：
[1] Max Planck Inst Colloids & Interfaces, D-14424 Potsdam, Germany
[2] Queen Mary Univ London, Dept Mat, London E1 4NS, England
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 35期
关键词：
D O I：
10.1021/ja8027636
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polymeric nanometer-thick membranes or nanomembranes possessing photocontrollable permeability are presented. Microcapsules are used as membrane model systems, while gold nanoparticle aggregates are used as active absorption centers. Upon laser light illumination the membranes change permeability reversibly because nanoparticles transiently affect the nearby polymeric network. Nanomembranes reseal to their impermeable state when the laser is switched off. This presents a novel and simple way of reversible permeability control of interest to intracellular signaling and membranes.
引用
收藏
页码：11572 / +
页数：3
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