A redox responsive polymeric gel based on ionic crosslinking

Fei, Shih To; Phelps, Mwita V. B.; Wang, Yang; Barrett, Eric W.; Gandhi, Farhan; Allcock, Harry R.

doi:10.1039/b516972k

Cited by 35 publications

(30 citation statements)

References 14 publications

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“…In contrast, the iron(III) cation is a typical example of a "hard" metal cation that preferentially binds oxygen atoms in negatively charged ligands such as carboxylate, phenolate, or hydroxamate groups [52]. This difference in coordination chemistry of iron(III) and iron(II) cations has been previously utilized for speciation of iron(II) and iron(III) cations in solution, for preparation of molecular switches [53], and for mechanical actuation of hydrogels [54]. Iron(III) cations form stable alginate hydrogels [55] that have been successfully used as a support for growth of cell cultures [56,57].…”

Section: Open Accessmentioning

confidence: 99%

Photochemical Patterning of Ionically Cross-Linked Hydrogels

2013

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Iron(III) cross-linked alginate hydrogel incorporating sodium lactate undergoes photoinduced degradation, thus serving as a biocompatible positive photoresist suitable for photochemical patterning. Alternatively, surface etching of iron(III) cross-linked hydrogel contacting lactic acid solution can be used for controlling the thickness of the photochemical pattering. Due to biocompatibility, both of these approaches appear potentially useful for advanced manipulation with cell cultures including growing cells on the surface or entrapping them within the hydrogel.

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Section: Open Accessmentioning

confidence: 99%

Photochemical Patterning of Ionically Cross-Linked Hydrogels

2013

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“…The number of cross-links, and therefore the degree of water swelling, is controlled by the length of radiation exposure time. A second method requires the introduction of a carboxylic acid substituent function (structure 22) or the two substituents shown in structure 23 [69][70][71][72][73][74][75][76][77][78][79]. The presence of the carboxylic acidic function in 22 or 23 means that hydrogels expand in basic media (e.g., dilute sodium hydroxide) but contract in acidic media, due to the charge repulsion between the protons in solution and the protonated carboxylic acid groups.…”

Section: Water-soluble Polymers Hydrogels and Responsive Membranesmentioning

confidence: 99%

Expanding Options in Polyphosphazene Biomedical Research

Allcock

2008

Polyphosphazenes for Biomedical Applications

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“…Proton-conducting polymer electrolyte membranes are chemically stable, excellent proton conductors and have good mechanical properties. Rubbery polyphosphazenes membranes are flexible and elastic; therefore, they are used when gas permeability is required [66]. Aryloxyphosphazenes are used for separation of liquids from gases.…”

Section: Membranesmentioning

confidence: 99%

“…a film shape; cross-linked polymers are required for this purpose. Alternatively, first cross-linked polymers are prepared and then combined with functional group [66,67].…”

Section: Membranesmentioning

confidence: 99%

Recent Research Progress in the Synthesis of Polyphosphazene and Their Applications

Amin

Wang

et al. 2009

Designed Monomers and Polymers

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Designed Monomers and Polymers provides a forum for the prompt publication of peer-reviewed, English-language papers on all areas of macromolecular design and application. Emphasis will be placed on the macromolecular preparations including the synthesis, characterization and application of monomers. The experimental part should be provided in such detail (including specific observations, precautionary notes, use of new materials, techniques and their possible problems, etc.) that it could be reproduced by any researcher wishing to repeat the work. The subjects of supramolecular science, initiators, macroinitiators for macromolecular design, as well as the kinetics, mechanism and modeling aspects of polymerization, will be included too. This journal will provide an interface between organic and polymer chemistries and aims to bridge the gap between monomer synthesis and the design of new polymers. The subject of monomers may include old monomers but new methods of synthesis. Author(s) must show the evidence for polymerization (including polycondensation, sequential combination, oxidative coupling, radiation, plasma polymerization, etc.) for new monomers. The field of monomers encompasses functional prepolymers of various architecture, such as hyperbranched polymers, telechelic polymers, macromonomers, or dendrimers. In particular, articles on monomers have been scattered over a vast number of journals: there is no polymer journal that covers a specialized subject such as monomers, whereas monomers are the building blocks of polymers. Designed Monomers and Polymers seeks to redress the balance by providing an international forum for addressing the issue of monomers and the art and science of macromolecular design. Issues will contain: review articles of topical areas, full research papers, short research papers, book reviews, conference reports, and conferences of note. Subscription InformationThe price for Volume 12 (2009) is EUR 951/US$ 1398, including postage and handling charges, as well as access to the electronic version. The price of the electronic version only is EUR 856/US$ 1258. Despatch of issues/electronic access will commence only after receipt of correct payment. Subscription orders should be sent to: Brill Academic Publishers, P.O. Box 9000, 2300 PA Leiden, The Netherlands (orders@brill.nl). Publishing OfficeVSP (an imprint of Brill Academic Publishers), P.O. Box 9000, 2300 PA Leiden, The Netherlands. Tel.: (31-71) 535-3500; Fax: (31-71) 531-7532; e-mail: stm@brill.nl; website: www.brill.nl/dmp Submission of a paper for publication implies the transfer of the copyright from the author(s) to the publisher (as far as copyright may be transferable).© 2009 Koninklijke Brill NV (VSP is an imprint of Brill Academic Publishers) All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise without the prior permission from the copyright holder.Typeset by VTEX, Vilniu...

show abstract

A redox responsive polymeric gel based on ionic crosslinking

Cited by 35 publications

References 14 publications

Photochemical Patterning of Ionically Cross-Linked Hydrogels

Photochemical Patterning of Ionically Cross-Linked Hydrogels

Expanding Options in Polyphosphazene Biomedical Research

Recent Research Progress in the Synthesis of Polyphosphazene and Their Applications

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