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Details of Grant 

EPSRC Reference: GR/L91566/01
Title: SPATIAL RESOLUTION IN MALDI-MASS SPECTROMETRY : EXPERIMENTS AND MODELLING
Principal Investigator: Dyer, Professor P
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Pre Nexus Migration
Department: Physics
Organisation: University of Hull
Scheme: Standard Research (Pre-FEC)
Starts: 01 July 1998 Ends: 30 June 2000 Value (£): 81,296
EPSRC Research Topic Classifications:
Lasers & Optics
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
MALDI (Matrix Assisted Laser Desorption Ionisation) mass spectrometry provides a rapid and accurate means of obtaining mass data for macromolecules. It is proposed to investigate from both an experimental and theoretical standpoint the limiting spatial resolution attainable in UV laser MALDI to ascertain its potential for use in a microscopic imaging mode.Work will initially make use of spatially homogeneous matrices prepared by sublimation and also explore new methods for uniform incorporation of analytes to allow spot-size dependance to be investigated for protein analytes.Modelling based on an excited-state thermal isolation scheme will be used to assess theoretical factors contributing to resolution. A preliminary investigation will be made of the direct desorption of protein from tissue.If successful this work could bring benefits in macromolecule analysis for biomedical, bioelectronic and chemical applications.
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Organisation Website: http://www.hull.ac.uk