ArticleNature communications2026
In-situ growth of biomimetic ion-selective membranes via confined molecular encapsulation for superior fluoride/chloride separation.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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8 authors.
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Abstract
Biomimetic ion channels demonstrate potential for nanoscale molecular separations by leveraging their unique confined recognition capabilities. Metal-organic framework (MOF)-based mixed matrix membranes (MMMs) offer a promising platform that integrates the ångström-scale pores of MOFs with polymer processability. However, slow MOF nucleation kinetics and weak interfacial interactions impede precise channel formation. Here, we present a confined molecular encapsulation (CME) strategy that synchronously regulates MOF nucleation kinetics and interfacial interactions, transforming precursors into flexible gel-network metal-organic gels (MOGs) via supramolecular assembly. Molecular dynamics simulations and in-situ optical detection show that stronger MOG-polymer interactions and confined diffusion govern enhanced interfacial compatibility and uniform dispersion. Optimized MMMs deliver a F⁻/Cl⁻ separation ratio of 32.0 with ionic current rectification. COMSOL simulations demonstrate that synergistic coupling of aligned MOF arrays and uniform surface charge enables efficient ion differentiation. This CME strategy establishes a versatile nanoscale platform for fabricating high-performance monovalent ion-selective membranes and nanofluidic devices.
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