Treatment of immobilized collagen on poly(tetrafluoroethylene) nanoporous membrane with plasma

被引：0
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作者：
Bratescu, Maria Antoaneta [1 ]
Saito, Nagahiro [2 ]
Takai, Osamu [1 ]
机构：
[1] EcoTopia Science Institute, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
[2] Department of Molecular Design and Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
来源：
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers | 2006年 / 45卷 / 10 B期
关键词：
In this work we treated type I collagen immobilized on different nanoporous membranes with microwave (MW) argon plasma. Hydrophobic and hydrophilic nanoporous substrates of poly(tetrafluoroethylene); with thickness varying from 35 to 70 μm and a 100nm pore size; were employed as support for collagen immobilization. On the hydrophilic nanoporous membrane; after the MW plasma treatment; the immobilized collagen changed its morphology and showed a tendency to self-assemble in quasi-regular forms as microellipsoids. The presence of collagen immobilized on the nanoporous membrane after the MW plasma treatment was analyzed by detecting in the Raman spectrum an α-helix form; NH deformation vibration; amide II band at .1550 cm-1; a characteristic group frequency of the collagen macromolecule. © 2006 The Japan Society of Applied Physics;
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页码：8352 / 8357
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