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Cross-Linked Polyelectrolyte for Improved Selectivity and Processability of lontronic Systems
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering. Stanford University, CA 94305 USA.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-0302-226X
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering. Aix Marseille University, France.
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2017 (English)In: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 9, no 36, 30247-30252 p.Article in journal (Refereed) Published
Abstract [en]

On-demand local release of biomolecules enables fine-tuned stimulation for the next generation of neuromodulation therapies. Such chemical stimulation is achievable using iontronic devices based on microfabricated, highly selective ion exchange membranes (IEMs). Current limitations in processability and performance of thin film LEMs hamper future developments of this technology. Here we address this limitation by developing a cationic IEM with excellent processability and ionic selectivity: poly(4-styrenesulfonic acidco-maleic acid) (PSS-co-MA) cross-linked with polyethylene glycol (PEG). This enables new design opportunities and provides enhanced compatibility with in vitro cell studies. PSSA-co-MA/PEG is shown to out-perform the cation selectivity of the previously used iontronic material.

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 2017. Vol. 9, no 36, 30247-30252 p.
Keyword [en]
ion exchange membranes; iontronics; organic bioelectronics; microfabrication; neurotransmitter release
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-142182DOI: 10.1021/acsami.7b05949ISI: 000411043600002PubMedID: 28831798OAI: oai:DiVA.org:liu-142182DiVA: diva2:1151544
Note

Funding Agencies|Knut and Alice Wallenberg Foundation (KAW) [2012.0302]; Swedish Research Council (Vetenskapsradet) [621-2011-3517]; Swedish Innovation Office (VINNOVA) [2010-00507]; Onnesjo Foundation

Available from: 2017-10-23 Created: 2017-10-23 Last updated: 2017-11-22

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Arbring Sjöström, TheresiaJonsson, AmandaGabrielsson, ErikKergoat, LoigTybrandt, KlasBerggren, MagnusSimon, Daniel
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