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pH-Sensitive Gating by Conformational Change of a Polypeptide Brush Grafted onto a Porous Polymer Membrane

✍ Scribed by Ito, Yoshihiro; Ochiai, Yasushi; Park, Yong Soon; Imanishi, Yukio

Book ID
111982924
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
194 KB
Volume
119
Category
Article
ISSN
0002-7863

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πŸ“œ SIMILAR VOLUMES

Imaging of a pH-sensitive polymer brush
Imaging of a pH-sensitive polymer brush on a porous membrane using atomic force microscopy in aqueous solution
✍ 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