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SUMMARY:Chemistry and Elecrochemistry related to the active sites of[FeFe]
 - and [Fe]-hydrogenases - Professor Christopher Pickett\, University of Ea
 st Anglia
DTSTART:20111110T140000Z
DTEND:20111110T150000Z
UID:TALK32437@talks.cam.ac.uk
CONTACT:Sian Bunnage
DESCRIPTION:The synthesis of analogues of the active sites of the hydrogen
 ases [1-3] may presage the design of new materials for hydrogen production
 \, storage and utilisation in fuel cells or catalysis viz. replacing plati
 num or other precious metals [4-6]. Emerging synthetic\, structural and me
 chanistic chemistry\, together with studies of surface modification\, elec
 trochemistry and photoelectrochemistry  and  will be addressed.\n\nReferen
 ces\n1. Structural and Functional Analogues of the Active Sites of the [Fe
 ]-\, [NiFe]-\, and [FeFe]-Hydrogenases.  Tard C\, Pickett CJ.  Chem.Rev.\,
  2009\, 109 \, 2245-2274 \n2. Synthesis of the H-Cluster Framework of Iron
 -Only Hydrogenase.\nC. Tard\, X. Liu\, S.K. Ibrahim\, M. Bruschi\, L. De G
 ioia\, S.C. Davies\, X.Yang\, L-S. Wang\, G. Sawers and C.J. Pickett\nNatu
 re\, 2005\, 434\, 610-613.\n3. The third hydrogenase: a ferracyclic carbam
 oyl with close structural analogy to the active site of Hmd. P. J. Turrell
 \, J. A. Wright\, J. N. T. Peck\, V. S. Oganesyan and  C. J. Pickett\, Ang
 ew. Chem. Int. Ed.\, 2010\,  49\, 7508-7511 \n4. Modeling [Fe-Fe] Hydrogen
 ase: Evidence for Bridging Carbonyl and Distal Iron Coordination Vacancy i
 n an Electrocatalytically Competent Proton Reduction by an Iron Thiolate A
 ssembly That Operates through Fe(0)-Fe(II) Levels. \nM .H. Cheah\, C.Tard\
 , S.J. Borg\, X. Liu\, S.K. Ibrahim \, C.J. Pickett and S.P. Best \nJ. Am.
  Chem. Soc.\, 2007 129 11085 -11092. \n5. Artificial hydrogenases: assembl
 y of an H-cluster analogue within a functionalised poly(pyrrole) matrix.S 
 .K.Ibrahim\, P-M. Woi\, Y Alias and C.J.Pickett\, Chem. Commun.\, 2010\, 4
 6\, 8149 – 8191\n6.  Electropolymeric materials incorporating subsite st
 ructures related to iron-only hydrogenase: active ester functionalised pol
 y(pyrroles) for covalent binding of {2Fe3S}-carbonyl/cyanide assemblies.  
 S. K. Ibrahim\, X. Liu\, C .Tard and C. J. Pickett \nChem Commun\, 2007\, 
 1535. \n
LOCATION:Unilever Lecture Theatre\, Department of Chemistry
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