Making 2% skimmed milk in PBS

marcel hoffmann hoffmann at
Thu Oct 3 06:44:44 EST 1996

Alex Chang wrote:
> I am trying to make 2% skimmed milk in PBS for blocking during my panning
> procedures. I am wondering how to make it sterile. I know you can
Dear Alex,

Try adding 0.3% sodium azide to the milk that will keep it 
free of any growth for a while.
Marcel Hoffmann Ph.D.
Dept. of Pharmacochemistry 
Vrije Universiteit Amsterdam
de Boelelaan 1083, 1081 HV Amsterdam 
tel: +31(0)20-4447572
fax +31(0)20-4447610 

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