A 1.0 ml protein solution in 0.500 M TRIS buffer, pH 7 with 0.250 M NaCl was dialyzed overnight against 500 mL of 0.500 M Tris, pH 7. What was the concentration of NaCl in the protein solution after equilibration?
A 1.0 ml protein solution in 0.500 M TRIS buffer, pH 7 with 0.250 M NaCl was dialyzed overnight against 500 mL of 0.500 M Tris, pH 7. What was the concentration of NaCl in the protein solution after equilibration?
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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
Transcribed Image Text:Laboratory methods used to isolate, purify and
characterize proteins.
Dialysis is commonly used to remove small molecules and
ions from protein solutions
A 1.0 ml protein solution in 0.500 M TRIS buffer, pH
7 with 0.250 M NaCl was dialyzed overnight against
500 mL of 0.500 M Tris, pH 7. What was the
concentration of NaCl in the protein solution after
equilibration?
Dialysis bag
Concentrated
solution
Buffer
At start of dialysis
At equilibrium
Figure 32
echemi Seventh en
e2012weeman and Compary
Dialyzing tubing comes in
various pore sizes
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