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Exceptional behavior over the whole adsorption-storage-delivery cycle for NO in porous metal organic frameworks

Research output: Contribution to journalArticlepeer-review

DOI

Author(s)

Alistair Craig McKinlay, Bo Xiao, David Stephen Wragg, Paul Stewart Wheatley, Ian L. Megson, Russell Edward Morris

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Abstract

Two porous metal organic frameworks (MOFs), [M-2(C8H2O6)(H2O)(2)] center dot 8H(2)O (M = Co, Ni), perform exceptionally well for the adsorption, storage, and water-triggered delivery of the biologically important gas nitric oxide. Adsorption and powder X-ray diffraction studies indicate that each coordinatively unsaturated metal atom in the structure coordinates to one NO molecule. All of the stored gas is available for delivery even after the material has been stored for several months. The combination of extremely high adsorption capacity (similar to 7 mmol of NO/g of MOF) and good storage stability is ideal for the preparation of NO storage solids. However, most important is that the entire reservoir of stored gas is recoverable on contact with a simple trigger (moisture). The activity of the NO storage materials is proved in myography experiments showing that the NO-releasing MOFs cause relaxation of porcine arterial tissue.

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Original languageEnglish
Pages (from-to)10440-10444
Number of pages5
JournalJournal of the American Chemical Society
Volume130
Issue number31
DOIs
Publication statusPublished - 6 Aug 2008

    Research areas

  • NITRIC-OXIDE, HYDROGEN-STORAGE, SURFACE-AREA, MOLECULES, POLYMERS, DONORS

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