DOI > 10.5291/ILL-DATA.9-13-668

This proposal is publicly available since 07/10/2021

Title

Controlling the rigidity of polymeric supramolecular nanotubes

Abstract

The self-assembly of (cyclic peptide)-polymer conjugates has recently been exploited to form functional nanotubes. The resulting brush-like structures are promising drug delivery vectors, form ion channels in lipid bilayers or assemble into well-defined membrane channels. These applications rely on different characteristics of the nanotubes, such as tube length, the size and type of pendant polymer chains, but also the rigidity of the supramolecular structure. Contrary to the first two parameters, the parameters influencing the rigidity are poorly anderstood. Here we propose several experiments to elucidate the influence of the solvent and the influence of the density of polymer arms on the rigidity of the self-assembled structure. And compare these results to covalently bond polymer brushes of varying polymer arms density.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

PERRIER Sebastien; CATROUILLET Sylvain; Pratik Gurnani; Andrew Kerr; RHO Julia and SCHWEINS Ralf. (2016). Controlling the rigidity of polymeric supramolecular nanotubes. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-13-668

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Metadata

Experiment Parameters

Sample Parameters

  • Formula

    • CP-((polyethylene glycol)44)2 in D2O, Methanol d4, CDCl3, Acetone d6, THF d8 and Toluene d8
    • CP-((polyethylene glycol)44)3 in D2O, Methanol d4, CDCl3, Acetone d6, THF d8 and Toluene d8
    • CP-((polyethylene glycol)44)4 in D2O, Methanol d4, CDCl3, Acetone d6, THF d8 and Toluene d8
    • PEGA-co-PMA in D2O, Methanol d4, CDCl3, Acetone d6, THF d8 and Toluene d8
    • CP-((polyethylene glycol)44)1 in D2O, Methanol d4, CDCl3, Acetone d6, THF d8 and Toluene d8