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Method for purifying urate oxidase tetramers and octamers

  • US 8,921,064 B2
  • Filed: 04/13/2011
  • Issued: 12/30/2014
  • Est. Priority Date: 08/06/1998
  • Status: Expired due to Fees
First Claim
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1. A method for purifying urate oxidase (uricase) tetramers and octamers, the method comprising(a) separating a uricase solution comprising uricase aggregates larger than octamers, uricase tetramers, and uricase octamers into fractions,(b) detecting said aggregates larger than octamers in said fractions by measuring light scattering;

  • and(c) excluding fraction(s) containing said aggregates larger than octamers as detected in (b), thereby producing purified uricase tetramers and octamers.

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