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Dear MP,
During my PhD the alternative should up once out of the several thousand drops
with the initial form, but diffracted to 1.6A instead of 4A, which made life
much easier. Fortunately I could use that alternative form for seeding.
Best,
Tim
On Friday, June 24, 2016 10:37:01 AM Mark J van Raaij wrote:
> medium-rare I’d say, in my experience. I.e. not that common, but also not
> very rare. We’ve had it happen. I guess if the alternative crystal form is
> smaller or diffracts badly, it often is never discovered if it is really a
> different crystal form or just less-perfect crystals of the same form.
>
> Mark J van Raaij
> Dpto de Estructura de Macromoleculas
> Centro Nacional de Biotecnologia - CSIC
> c/Darwin 3
> E-28049 Madrid, Spain
> tel. (+34) 91 585 4616
> http://wwwuser.cnb.csic.es/~mjvanraaij
>
> > On 24 Jun 2016, at 10:21, Murpholino Peligro <[log in to unmask]>
> > wrote:
> >
> > Hi everybody.
> > I just was curious ....
> > How often it is to find two or more crystalline forms in a single
> > crystallization drop? Is it very common or is it way to rare?
> >
> > Thanks for your answers
> > MP
- --
- --
Paul Scherrer Institut
Tim Gruene
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OFLC/102
CH-5232 Villigen PSI
phone: +41 (0)56 310 5297
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