PMSF dire straits

Neil McKenna nmckenna at
Wed Feb 2 16:02:54 EST 2000

bradley turner wrote:
> Hello Margaret,
> I've always prepared 1.0M stock solutions of PMSF in DMSO
> and stored aliquots at -20oC.  I've used them for years.

Similarly, we keep ours at 100 mM in methanol at -20oC, we've had our
stock since 1991, and it still works.

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