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Title: Printable enzyme-embedded materials for methane to methanol conversion

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms11900· OSTI ID:1349013

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.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1349013
Report Number(s):
LLNL-JRNL-678269
Journal Information:
Nature Communications, Vol. 7; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 57 works
Citation information provided by
Web of Science

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Cited By (18)

Herstellung direkt nutzbarer Durchflussreaktorkartuschen durch 3D-Druck von thermostabilen Enzymen journal April 2018
Metal–Organic Frameworks with Target‐Specific Active Sites Switched by Photoresponsive Motifs: Efficient Adsorbents for Tailorable CO 2 Capture journal February 2019
On-Demand Production of Flow-Reactor Cartridges by 3D Printing of Thermostable Enzymes journal April 2018
Metal–Organic Frameworks with Target‐Specific Active Sites Switched by Photoresponsive Motifs: Efficient Adsorbents for Tailorable CO 2 Capture journal May 2019
Techno-economic comparison of biogas cleaning for grid injection, compressed natural gas, and biogas-to-methanol conversion technologies: Techno-economic analysis of existing and emerging biogas upgrading technologies. journal February 2018
Improvement of bacterial methane elimination using porous ceramsite as biocarrier: Methane elimination using ceramsite as biocarrier journal March 2018
An efficient protein immobilization strategy: protein encapsulated in nano molecular cages journal April 2019
Quantum Chemical Studies of Methane Oxidation to Methanol on a Biomimetic Tricopper Complex: Mechanistic Insights journal May 2018
Enzyme–Metal Hybrid Catalysts for Chemoenzymatic Reactions journal August 2019
A bioinspired dual-crosslinked tough silk protein hydrogel as a protective biocatalytic matrix for carbon sequestration journal June 2017
Biological conversion of methane to methanol through genetic reassembly of native catalytic domains journal April 2019
Additive manufacturing with stimuli-responsive materials journal January 2018
Microfluidic immobilized enzyme reactors for continuous biocatalysis journal January 2020
From micelles to bicelles: Effect of the membrane on particulate methane monooxygenase activity journal May 2018
Industrial biomanufacturing: The future of chemical production journal January 2017
Particulate methane monooxygenase contains only mononuclear copper centers journal May 2019
Industrial Applications of Enzymes: Recent Advances, Techniques, and Outlooks journal June 2018
Functionalized DNA-spider silk nanohydrogels for controlled protein binding and release journal March 2020

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