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dc.contributor.authorZhao, Yangen
dc.contributor.authorQiu, Changquanen
dc.contributor.authorLi, Xuesongen
dc.contributor.authorVararattanavech, Ardcharapornen
dc.contributor.authorShen, Wenmingen
dc.contributor.authorTorres, Jaumeen
dc.contributor.authorHélix-Nielsen, Clausen
dc.contributor.authorWang, Rongen
dc.contributor.authorHu, Xiaoen
dc.contributor.authorFane, Anthony Gordonen
dc.contributor.authorTang, Chuyang Y.en
dc.identifier.citationZhao, Y., Qiu, C., Li, X., Vararattanavech, A., Shen, W., Torres, J., Hélix-Nielsen, C., Wang, R., Hu, X., Fane, A. G.,& Tang, C. Y. (2012). Synthesis of robust and high-performance aquaporin-based biomimetic membranes by interfacial polymerization-membrane preparation and RO performance characterization. Journal of Membrane Science, 423-424422-428.en
dc.description.abstractAquaporins are water channel proteins with excellent water permeability and solute rejection, which makes them promising for preparing high-performance biomimetic membranes. Despite the growing interest in aquaporin-based biomimetic membranes (ABMs), it is challenging to produce robust and defect-free ABMs that can be easily scaled up. In the current study, a thin film composite (TFC) ABM was prepared by the interfacial polymerization method, where AquaporinZ-containing proteoliposomes were added to the m-phenylene-diamine aqueous solution. Control membranes, either without aquaporins or with inactive (mutant) aquaporins, were also similarly prepared. The separation performance of these membranes was evaluated by cross-flow reverse osmosis (RO) tests. Compared to the controls, the active ABM achieved significantly higher water permeability (∼4 L/m2 h bar) with comparable NaCl rejection (∼97%) at an applied pressure of 5 bar. Its permeability was ∼40% higher compared to a commercial brackish water RO membrane (BW30) and an order of magnitude higher compared to a seawater RO membrane (SW30HR), which clearly demonstrates the great potential of the TFC ABM for desalination applications.en
dc.relation.ispartofseriesJournal of membrane scienceen
dc.titleSynthesis of robust and high-performance aquaporin-based biomimetic membranes by interfacial polymerization-membrane preparation and RO performance characterizationen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.contributor.schoolSchool of Biological Sciencesen
dc.contributor.researchSingapore Membrane Technology Centreen
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