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Protein purification buffer


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#1 Chelo

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Posted 12 September 2011 - 02:20 AM

Hello out there!

I would like to avoid Tris or Hepes in my protein purification buffer. Do you know if I could replace it by phosphate buffer? If yes, what should be the exact composition of the phosphate buffer (i.e. monobasic, mono + dibasic, concentration, pH).
Thanks a lot!

#2 K.B.

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Posted 12 September 2011 - 08:49 AM

I can do this for you - what pH and concentration you require? Do you need specific ionic strength? What would be the temperature you're planning to use this buffer at?

#3 newborn

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Posted 16 September 2011 - 06:30 AM

You can purchase some PBS buffer pill from Sigma, it is very convenient.

#4 u03cka

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Posted 07 December 2011 - 07:41 AM

I like MES.





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