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Enzyme system comprising an enzyme bonded in a porous matrix

  • US 7,846,684 B2
  • Filed: 02/21/2001
  • Issued: 12/07/2010
  • Est. Priority Date: 02/21/2001
  • Status: Active Grant
First Claim
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1. An enzyme system comprising:

  • a porous matrix material having a pore volume wherein at least 90% of the pore volume is composed of pores having sizes in the range of 50 to 400 Å

    , andfurther comprising an enzyme bonded to the matrix material, wherein said enzyme occupies between 5 and 40% of the average pore volume, wherein the enzyme system comprises at least 8 mg of said enzyme per gram of matrix material and wherein said enzyme in the enzyme system exhibits an activity that is at least 65% of the enzyme'"'"'s activity outside the matrix when activity of the enzyme inside the matrix and outside the matrix is measured under otherwise identical conditions including the same buffer conditions and same temperature, and expressed in unit activity per mass of enzyme.

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