phosphorylated protein

Dr Engelbert Buxbaum engelbert_buxbaum at hotmail.com
Wed Feb 12 05:57:59 EST 2003


"D. Fesquet" wrote:

> hi,
> 
> I am told that it is not recommended to used P32 labelled protein with a
> Mass spectrometer. this may damage the MS . is there any reason for
> this?

You get radioactive contamination in the entire system, including vacuum
pumps etc. Your fellow workers and your Radiation Safety Officer will be
truly grateful.

Additionally, ionisation from radioactive decay may cause sparking in
those areas where high voltages are present, but I am not sure how
serious that problem is. 



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