Try L-proline. It works well with high ionic strength conditions: http://www.ncbi.nlm.nih.gov/pubmed/22868767
Sent from Jack's iPad On Feb 6, 2014, at 10:40 PM, "Deepak Thankappan Nair" <deepaktn...@gmail.com<mailto:deepaktn...@gmail.com>> wrote: Hello, Does anybody know what would be a good cryoprotectant for the following condition: 800 mM Sodium phosphate monobasic/1200 mM Potassium phosphate dibasic 100 mM Sodium acetate/Aceticacid pH4.5 Thanks Deepak