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Redox-responsive polymeric membranes via supermolecular host-guest interactions
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2015 (English)In: Journal of Membrane Science, ISSN 0376-7388, E-ISSN 1873-3123, Vol. 480, p. 139-152Article in journal (Refereed) Published
Abstract [en]

Redox-responsive materials have attracted much attention, and redox-responsive membrane is strongly desired since enormous numbers of redox reactions carry out in living systems. Herein, a novel polymeric membrane with redox-resposive hydraulic permeability is fabricated by introducing a reversible redox-responsive system based on the host guest complex between ferrocene (Fc) and beta-cyclodextrin (1 CD) into polyethersulfone (PES) membrane. As the result of reversible radox-responsive formation or deformation of the complex, the water flux for the membrane with 18.3 wt% redox-responsive materials was 270 mL/m(2) mmHg h in original state, while increased to 1022 mL/m(2) mmHg h in oxidation state and decreased to 538 mL/m(2) mmHg h in reduction state. In addition, the results of water contact angle, surface zeta potential and the gas flow/liquid displacement confirmed that the origin of the reclox-responsive hydraulic permeability were the change of the pore size and porosity for the modified membranes. The redox-responsive membranes have great potential to be utilized in the Fields of chemical detection, drug delivery, biological treatments and so On.

Place, publisher, year, edition, pages
2015. Vol. 480, p. 139-152
Keywords [en]
Redox-responsibility, Permeability, Polyethersulfone membrane, Ferrocene, beta-cyclodextrin
National Category
Polymer Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-163942DOI: 10.1016/j.memsci.2015.01.050ISI: 000350851300015Scopus ID: 2-s2.0-84925004585OAI: oai:DiVA.org:kth-163942DiVA, id: diva2:810527
Note

QC 20150507

Available from: 2015-05-07 Created: 2015-04-13 Last updated: 2017-12-04Bibliographically approved

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Zhao, Weifeng

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CiteExportLink to record
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Citation style
  • apa
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