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Details of Grant 

EPSRC Reference: GR/S25159/01
Title: Generic Methods to identify mechanisms of inactivation of biocatalysts during practical operation
Principal Investigator: Halling, Professor PJ
Other Investigators:
Dunkin, Dr IR Moore, Dr BD Birch, Professor DJS
Rolinski, Dr OJ
Researcher Co-Investigators:
Project Partners:
Department: Pure and Applied Chemistry
Organisation: University of Strathclyde
Scheme: Faraday (PreFEC)
Starts: 18 June 2003 Ends: 17 July 2006 Value (£): 317,917
EPSRC Research Topic Classifications:
Bioprocess Engineering
EPSRC Industrial Sector Classifications:
Chemicals Pharmaceuticals and Biotechnology
Related Grants:
Panel History:  
Summary on Grant Application Form
Biocatalysts normally become inactivated during use, but the reason is usually unknown. We aim to develop methods to determine the cause of activ loss, as a basis for rational plans to improve stability. The methods will cover: 1) high yield recovery of adsorbed proteins from biocatalysts without (further) covalent modification: 2) identification of covalent changes in recovered enzyme molecules, using the approaches of proteomics (electrophoresis, mass spectroscopy and chromatography), but developing new interpretation strategies appropriate to modifcations found with biocatalysts; 3) detection and characterisation of non-covalent conformational changes in proteins in situ in biocatalyst particles by appropriate physic techniques (fluorescence, infra-red and circular dichroism) and protease susceptibility; 4) recovery of peptides for analysis from covalently attached proteins, using defined and limited cleavage. This is a flagship project of the Pro-Bio Faraday Partnership.
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Organisation Website: http://www.strath.ac.uk