Abstract:
:An industrial process for the selective activation of methane under mild conditions would be highly valuable for controlling emissions to the environment and for utilizing vast new sources of natural gas. The only selective catalysts for methane activation and conversion to methanol under mild conditions are methane monooxygenases (MMOs) found in methanotrophic bacteria; however, these enzymes are not amenable to standard enzyme immobilization approaches. Using particulate methane monooxygenase (pMMO), we create a biocatalytic polymer material that converts methane to methanol. We demonstrate embedding the material within a silicone lattice to create mechanically robust, gas-permeable membranes, and direct printing of micron-scale structures with controlled geometry. Remarkably, the enzymes retain up to 100% activity in the polymer construct. The printed enzyme-embedded polymer motif is highly flexible for future development and should be useful in a wide range of applications, especially those involving gas-liquid reactions.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Blanchette CD,Knipe JM,Stolaroff JK,DeOtte JR,Oakdale JS,Maiti A,Lenhardt JM,Sirajuddin S,Rosenzweig AC,Baker SEdoi
10.1038/ncomms11900subject
Has Abstractpub_date
2016-06-15 00:00:00pages
11900issn
2041-1723pii
ncomms11900journal_volume
7pub_type
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