On 11/28/11 12:04, Harman, Christine wrote:
> Hi All,
> I have just noticed a very strange thing and need some help in
> understanding it. I recently found two crystals in a condition from a
> screen (0.05M Calcium chloride dihydrate, 0.1M M Bis-Tris pH6.5 and
> 30% PEG MME 550). The small crystals appeared after a month and
> started to grow over the next 5 days after I first saw them (see
> pictures attached). I just check the same drop today and now the
> crystals are gone. So I was wondering what happened and if anyone
> experienced this before. Any insight or advice on what to do would be
> greatly appreciated.
Was the heating/cooling turned down over the Turkey day holiday?
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All Things Serve the Beam
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David J. Schuller
modern man in a post-modern world
MacCHESS, Cornell University
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