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Enzyme electrode and process for preparation thereof

  • US 20040149577A1
  • Filed: 01/16/2003
  • Published: 08/05/2004
  • Est. Priority Date: 01/16/2003
  • Status: Active Grant
First Claim
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1. An enzyme electrode useful for estimation of cholesterol in aqueous medium, said electrode comprising:

  • i. an electrically conductive base plate, ii. a film of sol gel derived material deposited thereon, iii. said sol gel derived material of step b) being microencapsulated Cholesterol oxidase with an electron mediator, said enzyme electrode showing zero leaching of the encapsulated enzyme and of the electron mediator, a response time of 30 seconds, an amperometric linear response to cholesterol in the range of 1-8 mm, being reusable at least five times and a shelf life of six months.

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