Photobiocatalytic chemistry of oxidoreductases using water as the electron donor

Maria Mifsud (), Serena Gargiulo, Sara Iborra, Isabel W. C. E. Arends, Frank Hollmann () and Avelino Corma ()
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Maria Mifsud: Instituto de Tecnología Química UPV-CSIC, Avda de los Naranjos s/n
Serena Gargiulo: Delft University of Technology
Sara Iborra: Instituto de Tecnología Química UPV-CSIC, Avda de los Naranjos s/n
Isabel W. C. E. Arends: Delft University of Technology
Frank Hollmann: Delft University of Technology
Avelino Corma: Instituto de Tecnología Química UPV-CSIC, Avda de los Naranjos s/n

Nature Communications, 2014, vol. 5, issue 1, 1-6

Abstract: Abstract To date, water has been poorly studied as the sacrificial electron donor for biocatalytic redox reactions using isolated enzymes. Here we demonstrate that water can also be turned into a sacrificial electron donor to promote biocatalytic redox reactions. The thermodynamic driving force required for water oxidation is obtained from UV and visible light by means of simple titanium dioxide-based photocatalysts. The electrons liberated in this process are delivered to an oxidoreductase by simple flavin redox mediators. Overall, the feasibility of photobiocatalytic, water-driven bioredox reactions is demonstrated.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4145

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DOI: 10.1038/ncomms4145

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