Efficient water-based purification of metal-organic polyhedra by centrifugal ultrafiltration

An efficient water-based purification strategy for metal-organic polyhedra (MOPs) using commercially available centrifugal ultrafiltration membranes was developed. Having a diameter above 3 nm, MOPs were almost fully retained by the filters, while free ligands and other impurities were washed away....

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2023-10, Vol.52 (42), p.15321-15325
Main Authors: Le Ouay, Benjamin, Ohara, Tomo, Minami, Ryosuke, Kunitomo, Rin, Ohtani, Ryo, Ohba, Masaaki
Format: Article
Language:English
Subjects:
Ion exchange
Polyhedra
Ultrafiltration
Water purification
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Summary:An efficient water-based purification strategy for metal-organic polyhedra (MOPs) using commercially available centrifugal ultrafiltration membranes was developed. Having a diameter above 3 nm, MOPs were almost fully retained by the filters, while free ligands and other impurities were washed away. MOP retention also enabled efficient counter-ion exchange. This method paves the way for the application of MOPs with biological systems. An efficient water-based purification strategy for metal-organic polyhedra (MOPs) using commercially available centrifugal ultrafiltration membranes was developed.
ISSN:1477-9226
1477-9234
DOI:10.1039/d3dt01644g