Hi Petri

They are non-diffracting at the home source and they are cryo cooled. Like
david suggested I guess ill try introducing a buffer as my condition does
not have a buffer. it is ammonium acetate and PEG 3350.

Thanks for the encouragement !

Mahesh


On Mon, Aug 19, 2013 at 5:37 PM, Petri Kursula <petri.kurs...@gmail.com>wrote:

> Hi,
>
> non-diffracting on the home source or state-of-the-art synchrotron?
> Cryocooled or room-temperature? What happens if you change the buffer but
> keep your pH? etc etc...
>
> For an important project, one should never ever give up.
>
> Petri
>
>
> ---
> Petri Kursula, PhD
> project leader, adjunct professor
> Department of Biochemistry & Biocenter Oulu, University of Oulu, Finland
> Department of Chemistry, University of Hamburg/DESY, Germany
> www.biochem.oulu.fi/kursula
> www.desy.de/~petri/research
> petri.kurs...@oulu.fi
> ---
>
>
>
>
>
> On Aug 19, 2013, at 11:49 PM, Mahesh Lingaraju <mxl1...@psu.edu> wrote:
>
> Hello people
>
> I recently obtained hexagonal rod like crystals (150x50x20 um) which
> turned out to be non diffracting. What is the usual convention for cases
> like this ? do people usually give up on the condition or still try to
> optimize it ?
>
> The crystals are also not very reproducible. I believe it is because of
> ammonium acetate in the condition causing fluctuations in the pH because of
> its volatility. Is there any way to work around such a problem ?
>
> Thanks
>
> Mahesh
>
>
>
>

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