blue X-gal stocks

[Martin Leach]

In article <2dj72p$2s3 at samba.oit.unc.edu>, jtsuruta at med.unc.edu (James
Tsuruta) wrote:

> I'm posting this for someone next-door.  Has anyone ever seen their X-gal
> stock in DMF turn pale blue?  What can cause this? and is it OK to use in
> top agar?

our X-gal goes brown/orange when overexposed to light.


Martin Leach


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.....          Martin Leach                Email:leach at mbcrr.harvard.edu 
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