Cyclodextrin-Based Self-Assembled Nanotubes at the Water/Air Interface

Native α-cyclodextrin (α-CD) is found to spontaneously form films at aqueous solution/air interfaces. Shape-response measurements to volume perturbations on drops hanging from a capillary indicate that temperature and sodium dodecyl sulfate (SDS) concentration strongly modify the viscoelastic proper...

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Published in:The journal of physical chemistry. B 2007-11, Vol.111 (44), p.12625-12630
Main Authors: Hernández-Pascacio, Jorge, Garza, Cristina, Banquy, Xavier, Díaz-Vergara, Norma, Amigo, Alfredo, Ramos, Salvador, Castillo, Rolando, Costas, Miguel, Piñeiro, Ángel
Format: Article
Language:English
Subjects:
Air
Cyclodextrins - chemistry
Models, Molecular
Nanotubes - chemistry
Sodium Dodecyl Sulfate - chemistry
Solutions - chemistry
Surface Properties
Temperature
Time Factors
Water - chemistry
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cited_by cdi_FETCH-LOGICAL-a351t-28efaeb8bde8dffa19d7e6dcece5c08082992cc8cd01626924453eb3fa9015213
cites cdi_FETCH-LOGICAL-a351t-28efaeb8bde8dffa19d7e6dcece5c08082992cc8cd01626924453eb3fa9015213
container_end_page 12630
container_issue 44
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container_title The journal of physical chemistry. B
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creator Hernández-Pascacio, Jorge
Garza, Cristina
Banquy, Xavier
Díaz-Vergara, Norma
Amigo, Alfredo
Ramos, Salvador
Castillo, Rolando
Costas, Miguel
Piñeiro, Ángel
description Native α-cyclodextrin (α-CD) is found to spontaneously form films at aqueous solution/air interfaces. Shape-response measurements to volume perturbations on drops hanging from a capillary indicate that temperature and sodium dodecyl sulfate (SDS) concentration strongly modify the viscoelastic properties of such films. By using isothermal titration calorimetry (ITC), Brewster angle microscopy (BAM), atomic force microscopy (AFM), and molecular dynamics (MD) simulations, it is shown that the films consist of self-assembled nanotubes whose building blocks are cyclodextrin dimers (α-CD2) and α-CD2−SDS1 complexes.
doi_str_mv 10.1021/jp076576t
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source American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects Air
Cyclodextrins - chemistry
Models, Molecular
Nanotubes - chemistry
Sodium Dodecyl Sulfate - chemistry
Solutions - chemistry
Surface Properties
Temperature
Time Factors
Water - chemistry
title Cyclodextrin-Based Self-Assembled Nanotubes at the Water/Air Interface
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