molecular weight in kDa

Louis Hom lhom at OCF.Berkeley.EDU
Wed Jul 14 08:22:25 EST 2004

>I would like to concentrate nucleosides in urine with molecular weights 
up to 240 and I am thinking of using cut-off filters. However, cut-off 
filters specify only kDa. Does anyone know of a formula to convert 
molecular weight to kDa/ 

	I'll resist the urge to be a smartass and just answer the 
question.  1 kDa = 1000 Da = MW 1000.  So MW 240 = 0.24 kDa.  You would 
probably have better luck using a chromatographic method.
Lou Hom >K'93			     
lhom at ocf.berkeley.edu		

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