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Details of Grant 

EPSRC Reference: EP/J019666/1
Title: Light-driven oxygen atom transfer
Principal Investigator: Duhme-Klair, Professor A
Other Investigators:
Perutz, Professor R
Researcher Co-Investigators:
Project Partners:
Department: Chemistry
Organisation: University of York
Scheme: Standard Research
Starts: 07 January 2013 Ends: 06 January 2016 Value (£): 345,805
EPSRC Research Topic Classifications:
Catalysis & Applied Catalysis
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:
Panel DatePanel NameOutcome
18 Apr 2012 EPSRC Physical Sciences Chemistry - April 2012 Announced
Summary on Grant Application Form
Nature uses molybdenum-containing enzymes to catalyse reactions that involve the transfer of oxygen atoms from water. The electrons that are released during the oxidation are transported from the molybdenum centre to the other side of the enzymes, where they are handed over to a terminal electron acceptor. Light absorption can cause electron transfer from one part of a molecule to another or between molecules. Indeed such processes are crucial in photosynthesis. Within this project, we aim to mimic the electron transfer processes of molybdenum enzymes by connecting Mo-centre mimics to electron transfer units, which can be activated by light. This will allow us to trigger the oxygenation reaction with a light flash and help us to learn more about the function of the enzymes. By using a variety of different molybdenum centres and photoactive units, we will identify the best combinations of components. Once the model systems are optimised, photoactivation may allow us to improve the energy and atom efficiency of industrially relevant oxidation processes and to oxygenate molecules related to DNA bases that are similar to the substrates of the molybdoenzyme xanthine oxidase.
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Organisation Website: http://www.york.ac.uk