New Recording Media for an Automated Genome 

 Mapping System 



George M. Storti 



Quantex Corporation, Rockville. MD 20850 



(301)258-2701 



New recording media for an automated genome mapping system is the goal of this 

 project. The media are different formulations of Quantex's electron trapping (ET^^' ) 

 materials that have the capability of recording beta particle events and events produced 

 by visible light of relatively short wavelength. Consequently, the presence of 

 radioactively tagged and dye-tagged DNA fragments can be recorded, and event 

 information can be integrated. Readout will be performed by an X-Y scanning system 

 that allows for large signal-to-noise ratios. Compatibility of a scanning system with 

 large-area DNA gels will be evaluated. 



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