desiccator with P2O5 in the freezer should do the trick... Artem
- Cosmic Cats approve of this message On Thu, Jun 11, 2015 at 11:12 PM, luzuok <[email protected]> wrote: > > Dear ccp4bb members, > > Sorry for asking a non-crystallographic question where google search > cannot provide any valuable answer. > > pppGpp was synthesized by relQ enzyme using ATP and GTP, the product was > purified by anion exchange chromatography. The problem is that the > concentration of pppGpp is too low for crystal soaking. > > My question is that using volatile buffer, how can I concentrate my > substrate, and how can I desalt it? > > Should I need a freeze dried machine? > > Best wishes! > > Lu Zuokun > > >
