35S-Met lifetime?

[Dave Adelson]

In message <1994Sep29.072250.20666 at news.unige.ch> - mike at divsun.unige.ch (Mike 
Morris) writes:
>How stable is 35S Met? should I aliquot it? Keep it at -80?
>

Yes to both.  From memory the methionine oxidises rapidly at room temp, 
somewhat more slowly at 4 C and more slowly at -20 C.  The best thing to do 
is keep it at -80 C in aliquots that you will not have to refreeze.

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*Dave Adelson  "why ask me?" *
*CSIRO Div. Animal Production*
*Sydney, Australia           *
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