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Construction of New Photosynthesis Model

Oxygen-protein Complex and Model Complex
Photosynthesis extracts electrons from water by using solar energy. The reaction corresponds to the anode (the electrode through which electrons flow out) of water electrolysis. The active center is called "oxygen-evolution complexes" or OECs. OECs presumably have the structure of manganese cluster, but their detailed structure and mechanism of water decomposition have not yet been clarified. In our laboratory, we culture photosynthetic organisms, isolate OECs from cultured media, and examine their chemical properties. Through the use of OECs, we design and synthesize manganese complexes in order to study their catalytic functions in water decomposition.

Hydrogenase    Photosynthesis    Breathing 

Fuel cell                 Electrolysis             Fuel cell

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Development of Catalyst for Reductive Activation of O2 Molecule
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