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Oxidoreduction-Sensitive Control of Water Permeation through a Polymer Brushes-Grafted Porous Membrane

✍ Scribed by Ito, Yoshihiro; Nishi, Shugo; Park, Yong Soon; Imanishi, Yukio


Book ID
125542720
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
169 KB
Volume
30
Category
Article
ISSN
0024-9297

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Imaging of a pH-sensitive polymer brush
✍ Yoshihiro Ito; Yong Soon Park; Yukio Imanishi πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 319 KB

## Abstract Poly(methacrylic acid) was grafted on a nanoporous polycarbonate membrane using the glow‐discharge method. Atomic force microscopy showed that the pore size is dependent upon pH in such a way that a low pH the graft chains are protonated and contracted to open the pore, whereas at high