Structure and Properties of Hybrid Film Fabricated by Spin-Assisted Layer-by-Layer Assembly of Sacran and Imogolite Nanotubes

A free-standing (biomacomolecule/synthetic inorganic nanotubes) hybrid film was fabricated through an alternative layer-by-layer (LBL) assembly of sacran and imogolite nanotubes. Sacran is a natural polysaccharide extracted from the cyanobacterium Aphanothece sacrum, while imogolite is a natural tub...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 36(2020), 7 vom: 25. Feb., Seite 1718-1726
1. Verfasser: Li, Linlin (VerfasserIn)
Weitere Verfasser: Takada, Akihiko, Ma, Wei, Fujikawa, Shigenori, Ariyoshi, Miho, Igata, Kosuke, Okajima, Maiko, Kaneko, Tatsuo, Takahara, Atsushi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a A free-standing (biomacomolecule/synthetic inorganic nanotubes) hybrid film was fabricated through an alternative layer-by-layer (LBL) assembly of sacran and imogolite nanotubes. Sacran is a natural polysaccharide extracted from the cyanobacterium Aphanothece sacrum, while imogolite is a natural tubular aluminosilicate clay found in volcano ash. The hybrid film thickness increased linearly with the number of the bilayers, because of the interaction between the negatively charged surface of sacran and the positively charged surface of imogolite. UV-vis spectroscopy indicated that the LBL film exhibited good transparency. The surface morphology of the LBL film was smooth in the micrometer scale; many imogolite nanotubes were adsorbed onto the sacran layer, while no imogolite clusters were observed. Furthermore, the structure, stability, gas permeability, and mechanical properties of the LBL films were investigated 
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650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Takada, Akihiko  |e verfasserin  |4 aut 
700 1 |a Ma, Wei  |e verfasserin  |4 aut 
700 1 |a Fujikawa, Shigenori  |e verfasserin  |4 aut 
700 1 |a Ariyoshi, Miho  |e verfasserin  |4 aut 
700 1 |a Igata, Kosuke  |e verfasserin  |4 aut 
700 1 |a Okajima, Maiko  |e verfasserin  |4 aut 
700 1 |a Kaneko, Tatsuo  |e verfasserin  |4 aut 
700 1 |a Takahara, Atsushi  |e verfasserin  |4 aut 
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