Issue 2, 2015
From the journal:

Dalton Transactions

Dispersion of titanate nanotubes for nanomedicine: comparison of PEI and PEG nanohybrids†

Anne-Laure Papa,‡a   Julien Boudon, ORCID logo ‡a   Vanessa Bellat,a   Alexis Loiseau,a   Harender Bisht,a   Fadoua Sallem,ab   Rémi Chassagnon,a   Véronique Bérarda  and  Nadine Millot*a  

* Corresponding authors

a Nanosciences Department, Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université de Bourgogne, BP 47 870, F-21 078 Dijon, France
E-mail: nmillot@u-bourgogne.fr
Fax: (+)333-80-39-61-67

b Département de chimie, Faculté des sciences de Tunis, Campus universitaire 2092, El Manar Tunis, Tunisie

Abstract

In the present study, we report the dispersion of titanate nanotubes (TiONts) via polymer grafting (PolyEthylene Glycol, PEG) or polymer adsorption (polyethylene imine, PEI) where different TiONts/polymer ratios have been investigated. The TiONts/PEI and TiONts/PEG nanohybrids were characterized by scanning and transmission electron microscopy as well as by zeta potential measurements in order to determine both their dispersion state and stability in water (at different pH for zetametry). The nature of the chemical bonds at the surface of these nanohybrids was investigated by Fourier-transformed infrared (FTIR) spectroscopy while the grafting densities of PEG on the nanotubes were quantified by thermogravimetric analyses (TGA). The nanohybrids reported here are promising tools for biotechnology applications due to their tubular morphology, their very good dispersion in water and the reactivity of their surface.

Graphical abstract: Dispersion of titanate nanotubes for nanomedicine: comparison of PEI and PEG nanohybrids

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Article information

DOI
https://doi.org/10.1039/C4DT02552K
Article type
Paper
Submitted
21 Aug 2014
Accepted
04 Nov 2014
First published
04 Nov 2014

Dalton Trans., 2015,44, 739-746

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Dispersion of titanate nanotubes for nanomedicine: comparison of PEI and PEG nanohybrids

A. Papa, J. Boudon, V. Bellat, A. Loiseau, H. Bisht, F. Sallem, R. Chassagnon, V. Bérard and N. Millot, Dalton Trans., 2015, 44, 739 DOI: 10.1039/C4DT02552K

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