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Molecular receptors in metal oxide sol-gel materials prepared via molecular imprinting

  • US 6,057,377 A
  • Filed: 10/30/1998
  • Issued: 05/02/2000
  • Est. Priority Date: 10/30/1998
  • Status: Expired due to Term
First Claim
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1. A method for molecularly imprinting the surface of a sol-gel material, comprising:

  • forming a solution comprised of a sol-gel material, a solvent, an imprinting molecule, and a functionalizing siloxane monomer of the form Si(OR)3-n R'"'"'Xn, wherein n is an integer between zero and three, R is hydrogen or an alkane of carbon length less than five, R'"'"' is a spacer molecular group comprising a carbon-containing segment of a length not exceeding 15 Å

    , and X is a functional group capable of reacting with the imprinting molecule;

    evaporating the solvent; and

    removing the imprinting molecule to form the molecularly imprinted metal oxide sol-gel material.

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