We have seen such behaviour connected to temperature fluctuations. Jan
On Mon, Nov 28, 2011 at 6:04 PM, Harman, Christine < christine.har...@fda.hhs.gov> 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. > > Thanks > > Christine > > > Small 5 days later > > -- Jan Dohnalek, Ph.D Institute of Macromolecular Chemistry Academy of Sciences of the Czech Republic Heyrovskeho nam. 2 16206 Praha 6 Czech Republic Tel: +420 296 809 390 Fax: +420 296 809 410
