Issue 4, 2016
From the journal:

Chemical Communications

Bioinspired pH and magnetic responsive catechol-functionalized chitosan hydrogels with tunable elastic properties†

Ali Ghadban,ab   Anansa S. Ahmed,a   Yuan Ping,ab   Ricardo Ramos,ab   Najmul Arfin,ab   Bram Cantaert,ab   Raju V. Ramanujana  and  Ali Miserez*abc  

* Corresponding authors

a School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
E-mail: ali.miserez@ntu.edu.sg
Fax: +65 6790-9081
Tel: +65 6592-7947

b Centre for Biomimetic Sensor Science, Nanyang Technological University, 50 Nanyang Drive, Singapore 637553, Singapore

c School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore

Abstract

We have developed pH- and magnetic-responsive hydrogels that are stabilized by both covalent bonding and catechol/Fe3+ ligands. The viscoelastic properties of the gels are regulated by the complexation valence and can be used to tune drug release profiles. The stable incorporation of magnetic nanoparticles further expands control over the mechanical response and drug release, in addition to providing magnetic stimuli-responsivity to the gels.

Graphical abstract: Bioinspired pH and magnetic responsive catechol-functionalized chitosan hydrogels with tunable elastic properties

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Article information

DOI
https://doi.org/10.1039/C5CC08617E
Article type
Communication
Submitted
17 Oct 2015
Accepted
28 Oct 2015
First published
30 Oct 2015
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2016,52, 697-700

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Bioinspired pH and magnetic responsive catechol-functionalized chitosan hydrogels with tunable elastic properties

A. Ghadban, A. S. Ahmed, Y. Ping, R. Ramos, N. Arfin, B. Cantaert, R. V. Ramanujan and A. Miserez, Chem. Commun., 2016, 52, 697 DOI: 10.1039/C5CC08617E

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